Placeholder image for Dr Silvia Pressel

Dr Silvia Pressel

Senior Researcher Lead

Department: Life Sciences
Division: LS Department Operations Team

Summary

My research integrates expertise in bryophyte systematics, evolution, anatomy and in-vitro culturing to tackle major questions on the origin and evolution of key innovations of land plants including stomata, cuticles, desiccation-tolerance and fungal symbioses.

Qualifications

    Degrees

  • PhD, Queen Mary University of London, United Kingdom, 2002 - 2006

Employment history

    Academic

  • Researcher in Botanical Diversity, The Natural History Museum, Life Sciences, United Kingdom, 2010 - ongoing
  • Early Career Lecturer, Queen Mary University of London, School of Biological and Chemical Sciences, United Kingdom, 2009 - 2010
  • Leverhulme Trust Early Career Research Fellow, Queen Mary University of London, School of Biological and Chemical Sciences, United Kingdom, 2007 - 2009

Grants

Cryptogamic diversity, biology and conservation on South Atlantic Islands
Role: Principal investigator
Funding: NERC
Total value £42,709.62 (to Museum £42,709.62)
Dates: 2015 - 2016

Sratching the surface: A Morphological Framework To Understanding Cuticle Origin and Evolution
Role: Principal investigator
Co-investigator: Duckett J
Funding: SYNTAX
Total value £5,629.13 (to Museum £5,629.13)
Dates: 2012 - 2013

Origin and co-evolution of land plant-fungal symbioses through the "greening of the Earth"
Role: Principal investigator
Funding: NERC
Total value £62,579 (to Museum £62,579)
Dates: 2012 - 2014

Shifting Symbiotic Scenarios at the Dawn of Land-Plant-Fungus Associations
Role: Principal investigatorField K
Role: Co-investigator
Funding: NERC
Total value £420,292 (to Museum £138,535.51)
Dates: 2016 - 2019

The Origin of Plants: Genomes, rocks, and biogeochemical cycles.
Role: Principal investigatorSchneider H
Role: Co-investigator
Funding: NERC
Total value £293,354 (to Museum £210,919.17)
Dates: 2016 - 2018

Fieldwork

St Helena Island
2017 - 2017.

Iceland
2014 - 2014.

Editorships

Editor, Annals of Botany, Oxford University Press, 2014 - on going.

Events

Workshop Attendance

Oral presentation, Organiser, Session chair, Workshop, 10th New Phytologist Workshop: Origins and evolution of plants and their interactions with fungi., (Workshop), 2014 - 2014.

Organisation

Organiser, Diversity, Evolution and Conservation of South Atlantic Island Floras, (Symposium),

Publications

Edwards D, Morris JL, Axe L, Duckett JG, Pressel S, Kenrick P (2022) Piecing together the eophytes – a new group of ancient plants containing cryptospores. New Phytologist, 233 (3) : 1440 - 1455. doi: 10.1111/nph.17703

Edwards D, Morris JL, Axe L, Taylor WA, Duckett JG, Kenrick P, Pressel S (2022) Earliest record of transfer cells in Lower Devonian plants. New Phytologist, 233 (3) : 1456 - 1465. doi: 10.1111/nph.17704

Sinanaj B, Hoysted GA, Pressel S, Bidartondo MI, Field KJ (2021) Critical research challenges facing Mucoromycotina ‘fine root endophytes’. New Phytologist, 232 (4) : 1528 - 1534. doi: 10.1111/nph.17684

Hoysted GA, Kowal J, Pressel S, Duckett JG, Bidartondo MI, Field KJ (2021) Carbon for nutrient exchange between Lycopodiella inundata and Mucoromycotina fine root endophytes is unresponsive to high atmospheric CO2. Mycorrhiza, 31 (4) : 431 - 440. doi: 10.1007/s00572-021-01033-6

McAdam SAM, Duckett JG, Sussmilch FC, Pressel S, Renzaglia KS, Hedrich R, Brodribb TJ, Merced A (2021) Stomata: the holey grail of plant evolution. American Journal of Botany, 108 (3) : 366 - 371. doi: 10.1002/ajb2.1619

Kubásek J, Hájek T, Duckett J, Pressel S, Šantrůček J (2021) Moss stomata do not respond to light and CO 2 concentration but facilitate carbon uptake by sporophytes: a gas exchange, stomatal aperture, and 13 C‐labelling study. New Phytologist, 230 (5) : 1815 - 1828. doi: 10.1111/nph.17208

Ellis LT, Pressel S (2020) Gemmae in the Calymperaceae, and their unique form inCalymperesSw. subg.Calymperes. Journal of Bryology, 42 (4) : 316 - 325. doi: 10.1080/03736687.2020.1828672

Hoysted GA, Bidartondo MI, Duckett JG, Pressel S, Field KJ (2021) Phenology and function in lycopod–Mucoromycotina symbiosis. New Phytologist, 229 (5) : 2389 - 2394. doi: 10.1111/nph.17009

Rimington WR, Duckett JG, Field KJ, Bidartondo MI, Pressel S (2020) The distribution and evolution of fungal symbioses in ancient lineages of land plants. Mycorrhiza, 30 (1) : 23 - 49. doi: 10.1007/s00572-020-00938-y

Duckett JG, Pressel S (2019) Fissures and pores in the capsule walls and hydrophobic elaters in Haplomitrium: a transmission and cryo-scanning electron microscope study. Journal of Bryology, 41 (4) : 301 - 313. doi: 10.1080/03736687.2019.1682835

Rimington WR, Pressel S, Duckett JG, Field KJ, Bidartondo MI (2019) Evolution and networks in ancient and widespread symbioses between Mucoromycotina and liverworts. Mycorrhiza, 29 (6) : 551 - 565. doi: 10.1007/s00572-019-00918-x

Hoysted GA, Jacob AS, Kowal J, Giesemann P, Bidartondo MI, Duckett JG, Gebauer G, Rimington WR, Schornack S, Pressel S, Field KJ (2019) Mucoromycotina Fine Root Endophyte Fungi Form Nutritional Mutualisms with Vascular Plants. Plant Physiology, 181 (2) : 565 - 577. doi: 10.1104/pp.19.00729

Yu Y, Yang J, Ma W, Pressel S, Liu H, Wu Y, Schneider H (2020) Chloroplast phylogenomics of liverworts: a reappraisal of the backbone phylogeny of liverworts with emphasis on Ptilidiales. Cladistics, 36 (2) : 184 - 193. doi: 10.1111/cla.12396

Pressel S, Duckett JG (2019) Do motile spermatozoids limit the effectiveness of sexual reproduction in bryophytes? Not in the liverwort Marchantia polymorpha. Journal of Systematics and Evolution, 57 (4) : 371 - 381. doi: 10.1111/jse.12528

Yu Y, Liu H, Yang J, Ma W, Pressel S, Wu Y, Schneider H (2019) Exploring the plastid genome disparity of liverworts. Journal of Systematics and Evolution, 57 (4) : 382 - 394. doi: 10.1111/jse.12515

Field KJ, Bidartondo MI, Rimington WR, Hoysted GA, Beerling D, Cameron DD, Duckett JG, Leake JR, Pressel S (2019) Functional complementarity of ancient plant–fungal mutualisms: contrasting nitrogen, phosphorus and carbon exchanges between Mucoromycotina and Glomeromycotina fungal symbionts of liverworts. New Phytologist, 223 (2) : 908 - 921. doi: 10.1111/nph.15819

Rimington WR, Pressel S, Duckett JG, Field KJ, Read DJ, Bidartondo MI (2018) Ancient plants with ancient fungi: liverworts associate with early-diverging arbuscular mycorrhizal fungi. Proceedings of the Royal Society B: Biological Sciences, 285 (1888) : 20181600 - 20181600. doi: 10.1098/rspb.2018.1600

Morris JL, Puttick MN, Clark JW, Edwards D, Kenrick P, Pressel S, Wellman CH, Yang Z, Schneider H, Donoghue PCJ (2018) Reply to Hedges et al.: Accurate timetrees do indeed require accurate calibrations. Proceedings of the National Academy of Sciences, 115 (41) : doi: 10.1073/pnas.1812816115

Pressel S, Renzaglia KS, (Dicky) Clymo RS, Duckett JG (2018) Hornwort stomata do not respond actively to exogenous and environmental cues. Annals of Botany, 122 (1) : 45 - 57. doi: 10.1093/aob/mcy045

Field KJ, Pressel S (2018) Unity in diversity: structural and functional insights into the ancient partnerships between plants and fungi. New Phytologist, 220 (4) : 996 - 1011. doi: 10.1111/nph.15158

Morris JL, Puttick MN, Clark JW, Edwards D, Kenrick P, Pressel S, Wellman CH, Yang Z, Schneider H, Donoghue PCJ (2018) The timescale of early land plant evolution. Proceedings of the National Academy of Sciences, 115 (10) : doi: 10.1073/pnas.1719588115

Puttick MN, Morris JL, Williams TA, Cox CJ, Edwards D, Kenrick P, Pressel S, Wellman CH, Schneider H, Pisani D, Donoghue PCJ (2018) The Interrelationships of Land Plants and the Nature of the Ancestral Embryophyte. Current Biology, 28 (5) : 733 - 745.e2. doi: 10.1016/j.cub.2018.01.063

Duckett JG, Pressel S (2018) The evolution of the stomatal apparatus: intercellular spaces and sporophyte water relations in bryophytes—two ignored dimensions. Philosophical Transactions of the Royal Society B: Biological Sciences, 373 (1739) : 20160498 - 20160498. doi: 10.1098/rstb.2016.0498

Hoysted GA, Kowal J, Jacob A, Rimington WR, Duckett JG, Pressel S, Orchard S, Ryan MH, Field KJ, Bidartondo MI (2018) A mycorrhizal revolution. Current Opinion in Plant Biology, 44 : 1 - 6. doi: 10.1016/j.pbi.2017.12.004

Kowal J, Pressel S, Duckett JG, Bidartondo MI, Field KJ (2018) From rhizoids to roots? Experimental evidence of mutualism between liverworts and ascomycete fungi. Annals of Botany, 121 (2) : 221 - 227. doi: 10.1093/aob/mcx126

Rankin AH, Pressel S, Duckett J, Rimington WR, Hawes I, Sumner DY, Mackey TJ, Castendyke D, Schneider H, Jungblut AD (2017) Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica. Polar Biology, 40 (10) : 2063 - 2076. doi: 10.1007/s00300-017-2127-y

Villarreal JC, Duckett JG, Pressel S (2017) Morphology, ultrastructure and phylogenetic affinities of the single-island endemic Anthoceros cristatus Steph. (Ascension Island). Journal of Bryology, 39 (3) : 226 - 234. doi: 10.1080/03736687.2017.1302153

Kowal J, Duckett J, Jacob A, Rimington W, Bidartondo M, Field K, Schornack S, Pressel S (2017) Lycopodiella inundata: insights into plant-fungal associations in early vascular plants. Presented at The Rhynie Chert – our earliest terrestrial ecosystem revisited.

Rimington WR, Pressel S, Field KJ, Strullu-Derrien C, Duckett JG, Bidartondo MI (2016) Reappraising the origin of mycorrhizas, In: Molecular Mycorrhizal Symbiosis, Martin F (Eds). John Wiley & Sons :

Kowal J, Pressel S, Duckett J, Bidartondo M (2016) A new tool for habitat restoration: liverworts and their mycorrhiza-like fungal partners. Presented at British Ecological Society Annual Meeting.

Mitchell RL, Cuadros J, Duckett JG, Pressel S, Mavris C, Sykes D, Najorka J, Edgecombe GD, Kenrick P (2016) Mineral weathering and soil development in the earliest land plant ecosystems. Geology, 44 (12) : 1007 - 1010. doi: 10.1130/g38449.1

Pressel S, Bidartondo MI, Field KJ, Rimington WR, Duckett JG (2016) Pteridophyte fungal associations: Current knowledge and future perspectives. Journal of Systematics and Evolution, 54 (6) : 666 - 678. doi: 10.1111/jse.12227

Mitchell RL, Cuadros J, Pressel S, Duckett JG, Mavris C, Sykes D, Najorka J, Edgecombe GD, Kenrick P (2016) LEAVING THEIR MARK: BIOLOGICALLY-INDUCED MINERAL WEATHERING AND SOIL DEVELOPMENT IN ANCIENT LAND-PLANT ECOSYSTEMS. GSA Annual Meeting in Denver, Colorado, USA - 2016, Geological Society of America Abstracts with Programs Geological Society of America : doi: 10.1130/abs/2016am-282635

Field KJ, Rimington WR, Bidartondo MI, Allinson KE, Beerling DJ, Cameron DD, Duckett JG, Leake JR, Pressel S (2016) Functional analysis of liverworts in dual symbiosis with Glomeromycota and Mucoromycotina fungi under a simulated Palaeozoic CO2 decline. The ISME Journal, 10 (6) : 1514 - 1526. doi: 10.1038/ismej.2015.204

Renzaglia KS, Crandall-Stotler B, Pressel S, Duckett JG, Schuette S, Strother PK (2015) Permanent spore dyads are not ‘a thing of the past’: on their occurrence in the liverwortHaplomitrium(Haplomitriopsida). Botanical Journal of the Linnean Society, 179 (4) : 658 - 669. doi: 10.1111/boj.12343

Kowal J, Pressel S, Duckett JG, Bidartondo MI (2016) Liverworts to the rescue: an investigation of their efficacy as mycorrhizal inoculum for vascular plants. Functional Ecology, 30 (6) : 1014 - 1023. doi: 10.1111/1365-2435.12580

Field KJ, Pressel S, Duckett JG, Rimington WR, Bidartondo MI (2015) Symbiotic options for the conquest of land.. Trends in ecology & evolution, 30 (8) : 477 - 486. doi: 10.1016/j.tree.2015.05.007

Field KJ, Duckett JG, Cameron DD, Pressel S (2015) Stomatal density and aperture in non-vascular land plants are non-responsive to above-ambient atmospheric CO2 concentrations. ANNALS OF BOTANY, 115 (6) : 915 - 922. doi: 10.1093/aob/mcv021

Field KJ, Rimington WR, Bidartondo MI, Allinson KE, Beerling DJ, Cameron DD, Duckett JG, Leake JR, Pressel S (2015) First evidence of mutualism between ancient plant lineages (Haplomitriopsida liverworts) and Mucoromycotina fungi and its response to simulated Palaeozoic changes in atmospheric CO2. NEW PHYTOLOGIST, 205 (2) : 743 - 756. doi: 10.1111/nph.13024

Rimington WR, Pressel S, Duckett JG, Bidartondo MI (2015) Fungal associations of basal vascular plants: reopening a closed book?. New Phytologist, 205 (4) : 1394 - 1398. doi: 10.1111/nph.13221

Ares A, Duckett JG, Pressel S (2014) Asexual reproduction and protonemal developmentin vitroinFontinalis antipyreticaHedw.. Journal of Bryology, 36 (2) : 122 - 133. doi: 10.1179/1743282014y.0000000099

Pressel S, Goral T, Duckett JG (2014) Stomatal differentiation and abnormal stomata in hornworts. Journal of Bryology, 36 (2) : 87 - 103. doi: 10.1179/1743282014y.0000000103

Strullu-Derrien C, Kenrick P, Pressel S, Duckett JG, Rioult J-P, Strullu D-G (2014) Fungal associations in Horneophyton ligneri from the Rhynie Chert (c. 407 million year old) closely resemble those in extant lower land plants: novel insights into ancestral plant-fungus symbioses. NEW PHYTOLOGIST, 203 (3) : 964 - 979. doi: 10.1111/nph.12805

Duckett JG, Ligrone R, Renzaglia KS, Pressel S (2014) Pegged and smooth rhizoids in complex thalloid liverworts (Marchantiopsida): structure, function and evolution. Botanical Journal of the Linnean Society, 174 (1) : 68 - 92. doi: 10.1111/boj.12121

Barclay RS, McElwain JC, Duckett JG, Es MH, Mostaert AS, Pressel S, Sageman BB (2013) New methods reveal oldest known fossil epiphyllous moss: Bryiidites utahensis gen. et sp. nov. (Bryidae). American Journal of Botany, 100 (12) : 2450 - 2457. doi: 10.3732/ajb.1300209

Desirò A, Duckett JG, Pressel S, Villarreal JC, Bidartondo MI (2013) Fungal symbioses in hornworts: a chequered history. Proceedings of the Royal Society B: Biological Sciences, 280 (1759) : 20130207 - 20130207. doi: 10.1098/rspb.2013.0207

Porley RD, Pressel S (2012) Grimmia fuscolutea with gemmae and observations on other propaguliferous Grimmia.. Polish Botanical Journal, 57 : 295 - 315.

PRESSEL S (null) British Bryological Society Survey of Reproductive Phenology of Common British Bryophyte. http://rbgweb2.rbge.org.uk/bbs/Activities/Phenology/Phenology%20Project.htm. :

Rowntree JK, Pressel S, Ramsay MM, Sabovljevic A, Sabovljevic M (2011) In vitro conservation of European bryophytes. In Vitro Cellular & Developmental Biology - Plant, 47 (1) : 55 - 64. doi: 10.1007/s11627-010-9326-3

PRESSEL S, DUCKETT JG (2011) Bryophyte surfaces; New functional perspective from cryo-scanning electron microscopy. Field Bryology, 104 : 50 - 53.

PRESSEL S, P’ng KYM, DUCKETT JG (2011) An ultrastructural study of the unique surface ornamentation in the liverwort Mizutania riccardioides Furuke et Iwatsuki. Bryologist, 114 : 38 - 51.

Hooper EJ, Duckett JG, Cuming AC, Kunin WE, Pressel S (2010) Ephemerella readeriMüll. Hal. (Physcomitrella readeri(Müll. Hal.) I.G. Stone & G.A.M. Scott, Funariidae, Bryophyta): a genus and species new to Europe. Journal of Bryology, 32 (4) : 256 - 264. doi: 10.1179/037366810x12814321877589

Pressel S, Bidartondo MI, Ligrone R, Duckett JG (2010) Fungal symbioses in bryophytes: New insights in the Twenty First Century. PHYTOTAXA, 9 : 238 - 253.

Bates J, PRESSEL S (2010) Ecology Matters. Field Bryology, 102 : 47 - 49.

DUCKETT JG, P’ng KMY, Renzaglia KS, PRESSEL S (2010) The function and evolution of stomata in bryophytes. Field Bryology, 101 : 38 - 40.

DUCKETT JG, PRESSEL S (2010) London’s changing bryophyte flora. The London Naturalist, 89 : 101-116 (the article first appeared in Field Bryology 98 - 2009).

DUCKETT JG, PRESSEL S, P’Ng KMY, Renzaglia KS (2010) The Sphagnum air-gun mechanism resurrected? Not with a closer look. Commentary on “The Sphagnum air-gun mechanism resurrected” by Sundberg. New Phytologist (Letter), 185 : 886 - 889.

Pressel S, P'ng KMY, Duckett JG (2010) A cryo-scanning electron microscope study of the water relations of the remarkable cell wall in the moss Rhacocarpus purpurascens (Rhacocarpaceae, Bryophyta). Nova Hedwigia, 91 (3-4) : 289 - 299. doi: 10.1127/0029-5035/2010/0091-0289

PRESSEL S (2010) Tetraplodon mnioides (Black fruited stink moss). http://www.nhm.ac.uk/nature-online/species-of-the-day/evolution/tetraplodon-mnioides/index.html :

PRESSEL S (2010) EBESCONet - European Bryophyte Ex situ conservation Network. http://www.ebesconet.org/ :

PRESSEL S, DUCKETT JG (2010) Cytological insights into the desiccation biology of a model system: moss protonemata. New Phytologist (Letter), 185 : 944 - 963.

PRESSEL S, P’Ng KMY, DUCKETT JG (2010) Cryo-scanning electron microscope study of the water relations of the remarkable cell wall in the moss Rhacocarpus. Nova Hedwigia, 91 : 289 - 299.

Mitchell RL, Strullu‐Derrien C, Sykes D, Pressel S, Duckett JG, Kenrick P (2021) Cryptogamic ground covers as analogues for early terrestrial biospheres: Initiation and evolution of biologically mediated proto‐soils. Geobiology, 19 (3) : 292 - 306. doi: 10.1111/gbi.12431

Courses taught

Postgraduate: Taxonomic Principles and Tools in Botanical Research

3/2017.

Postgraduate: Taxonomic Principles and Tools in Botanical Diversity
3/2016.

Supervision

Doctorate (PhD) Co-supervisor to Rimington W
Co supervisor(s): Pressel S
, London, United Kindgdom
Funding: NERC DTP
1/9/2015 - 31/8/2019.

Co-supervisor to Stow SC
Co supervisor(s): Brummitt NA
Bryophytes as environmental indicators of habitat quality: a new toolset for conservation assessment.
Funding: Fundação para a Ciência e a Tecnologia (FCT), Portugal
3/6/2013 - 31/5/2017.

Doctorate (PhD) Co-supervisor to Carvalho Stow S
Co supervisor(s): Pressel S
University of Kent, Canterbury, Canterbury, United Kingdom
Funding: Fundação para a Ciência e a Tecnologia [FCT]
1/6/2013 - 31/5/2017.

Course developed

Co developers: Knapp S, Thues H, Carine M, Brodie J, Ellis L, Wilbraham J, Spencer M, Rumsey F
Taxonomic Principles and Tools in Botanical Research,

Awards

The Elisabeth Hocart Prize in botany,

The Irene Manton Prize,

The Trail Crisp Award,

Invited and keynote speaker

Invited speaker, Bryophytes of Remote Islands - Lessons from Ascension Island, Diversity, Evolution and Conservation of South Atlantic Island Floras: Natural History Museum, London, London, United Kingdom, 21/3/2017.

Invited speaker, Origins and early evolution of plant-fungus associations, The Rhynie Chert - Our Earliest Terrestrial Ecosystem Revisited: The Royal Society, London, 7/3/2017.

Invited speaker, Key Land Plant Innovations in the Bryophyte Clade, Leeds University - Seminar Series: University of Leeds, Leeds, Leeds, United Kingdom, 10/11/2016.

Guest lectures

Keynote speaker, The bryophytes of St. Helena, Public event organized by the Environment and Natural Resources Directorate St. Helena Government: 14/5/2017.

Invited speaker, Bryophytes, Lower Plants in Nature - Lecture Series: 21/10/2016.

Introduction

Summary

My research integrates expertise in bryophyte systematics, evolution, anatomy and in-vitro culturing to tackle major questions on the origin and evolution of key innovations of land plants including stomata, cuticles, desiccation-tolerance and fungal symbioses.

Qualifications

    Degrees

  • PhD, Queen Mary University of London, United Kingdom, 2002 - 2006

Employment history

    Academic

  • Researcher in Botanical Diversity, The Natural History Museum, Life Sciences, United Kingdom, 2010 - ongoing
  • Early Career Lecturer, Queen Mary University of London, School of Biological and Chemical Sciences, United Kingdom, 2009 - 2010
  • Leverhulme Trust Early Career Research Fellow, Queen Mary University of London, School of Biological and Chemical Sciences, United Kingdom, 2007 - 2009
Projects

Grants

Cryptogamic diversity, biology and conservation on South Atlantic Islands
Role: Principal investigator
Funding: NERC
Total value £42,709.62 (to Museum £42,709.62)
Dates: 2015 - 2016

Sratching the surface: A Morphological Framework To Understanding Cuticle Origin and Evolution
Role: Principal investigator
Co-investigator: Duckett J
Funding: SYNTAX
Total value £5,629.13 (to Museum £5,629.13)
Dates: 2012 - 2013

Origin and co-evolution of land plant-fungal symbioses through the "greening of the Earth"
Role: Principal investigator
Funding: NERC
Total value £62,579 (to Museum £62,579)
Dates: 2012 - 2014

Shifting Symbiotic Scenarios at the Dawn of Land-Plant-Fungus Associations
Role: Principal investigatorField K
Role: Co-investigator
Funding: NERC
Total value £420,292 (to Museum £138,535.51)
Dates: 2016 - 2019

The Origin of Plants: Genomes, rocks, and biogeochemical cycles.
Role: Principal investigatorSchneider H
Role: Co-investigator
Funding: NERC
Total value £293,354 (to Museum £210,919.17)
Dates: 2016 - 2018

Fieldwork

St Helena Island
2017 - 2017.

Iceland
2014 - 2014.

Professional activities

Editorships

Editor, Annals of Botany, Oxford University Press, 2014 - on going.

Events

Workshop Attendance

Oral presentation, Organiser, Session chair, Workshop, 10th New Phytologist Workshop: Origins and evolution of plants and their interactions with fungi., (Workshop), 2014 - 2014.

Organisation

Organiser, Diversity, Evolution and Conservation of South Atlantic Island Floras, (Symposium),

Publications

Publications

Edwards D, Morris JL, Axe L, Duckett JG, Pressel S, Kenrick P (2022) Piecing together the eophytes – a new group of ancient plants containing cryptospores. New Phytologist, 233 (3) : 1440 - 1455. doi: 10.1111/nph.17703

Edwards D, Morris JL, Axe L, Taylor WA, Duckett JG, Kenrick P, Pressel S (2022) Earliest record of transfer cells in Lower Devonian plants. New Phytologist, 233 (3) : 1456 - 1465. doi: 10.1111/nph.17704

Sinanaj B, Hoysted GA, Pressel S, Bidartondo MI, Field KJ (2021) Critical research challenges facing Mucoromycotina ‘fine root endophytes’. New Phytologist, 232 (4) : 1528 - 1534. doi: 10.1111/nph.17684

Hoysted GA, Kowal J, Pressel S, Duckett JG, Bidartondo MI, Field KJ (2021) Carbon for nutrient exchange between Lycopodiella inundata and Mucoromycotina fine root endophytes is unresponsive to high atmospheric CO2. Mycorrhiza, 31 (4) : 431 - 440. doi: 10.1007/s00572-021-01033-6

McAdam SAM, Duckett JG, Sussmilch FC, Pressel S, Renzaglia KS, Hedrich R, Brodribb TJ, Merced A (2021) Stomata: the holey grail of plant evolution. American Journal of Botany, 108 (3) : 366 - 371. doi: 10.1002/ajb2.1619

Kubásek J, Hájek T, Duckett J, Pressel S, Šantrůček J (2021) Moss stomata do not respond to light and CO 2 concentration but facilitate carbon uptake by sporophytes: a gas exchange, stomatal aperture, and 13 C‐labelling study. New Phytologist, 230 (5) : 1815 - 1828. doi: 10.1111/nph.17208

Ellis LT, Pressel S (2020) Gemmae in the Calymperaceae, and their unique form inCalymperesSw. subg.Calymperes. Journal of Bryology, 42 (4) : 316 - 325. doi: 10.1080/03736687.2020.1828672

Hoysted GA, Bidartondo MI, Duckett JG, Pressel S, Field KJ (2021) Phenology and function in lycopod–Mucoromycotina symbiosis. New Phytologist, 229 (5) : 2389 - 2394. doi: 10.1111/nph.17009

Rimington WR, Duckett JG, Field KJ, Bidartondo MI, Pressel S (2020) The distribution and evolution of fungal symbioses in ancient lineages of land plants. Mycorrhiza, 30 (1) : 23 - 49. doi: 10.1007/s00572-020-00938-y

Duckett JG, Pressel S (2019) Fissures and pores in the capsule walls and hydrophobic elaters in Haplomitrium: a transmission and cryo-scanning electron microscope study. Journal of Bryology, 41 (4) : 301 - 313. doi: 10.1080/03736687.2019.1682835

Rimington WR, Pressel S, Duckett JG, Field KJ, Bidartondo MI (2019) Evolution and networks in ancient and widespread symbioses between Mucoromycotina and liverworts. Mycorrhiza, 29 (6) : 551 - 565. doi: 10.1007/s00572-019-00918-x

Hoysted GA, Jacob AS, Kowal J, Giesemann P, Bidartondo MI, Duckett JG, Gebauer G, Rimington WR, Schornack S, Pressel S, Field KJ (2019) Mucoromycotina Fine Root Endophyte Fungi Form Nutritional Mutualisms with Vascular Plants. Plant Physiology, 181 (2) : 565 - 577. doi: 10.1104/pp.19.00729

Yu Y, Yang J, Ma W, Pressel S, Liu H, Wu Y, Schneider H (2020) Chloroplast phylogenomics of liverworts: a reappraisal of the backbone phylogeny of liverworts with emphasis on Ptilidiales. Cladistics, 36 (2) : 184 - 193. doi: 10.1111/cla.12396

Pressel S, Duckett JG (2019) Do motile spermatozoids limit the effectiveness of sexual reproduction in bryophytes? Not in the liverwort Marchantia polymorpha. Journal of Systematics and Evolution, 57 (4) : 371 - 381. doi: 10.1111/jse.12528

Yu Y, Liu H, Yang J, Ma W, Pressel S, Wu Y, Schneider H (2019) Exploring the plastid genome disparity of liverworts. Journal of Systematics and Evolution, 57 (4) : 382 - 394. doi: 10.1111/jse.12515

Field KJ, Bidartondo MI, Rimington WR, Hoysted GA, Beerling D, Cameron DD, Duckett JG, Leake JR, Pressel S (2019) Functional complementarity of ancient plant–fungal mutualisms: contrasting nitrogen, phosphorus and carbon exchanges between Mucoromycotina and Glomeromycotina fungal symbionts of liverworts. New Phytologist, 223 (2) : 908 - 921. doi: 10.1111/nph.15819

Rimington WR, Pressel S, Duckett JG, Field KJ, Read DJ, Bidartondo MI (2018) Ancient plants with ancient fungi: liverworts associate with early-diverging arbuscular mycorrhizal fungi. Proceedings of the Royal Society B: Biological Sciences, 285 (1888) : 20181600 - 20181600. doi: 10.1098/rspb.2018.1600

Morris JL, Puttick MN, Clark JW, Edwards D, Kenrick P, Pressel S, Wellman CH, Yang Z, Schneider H, Donoghue PCJ (2018) Reply to Hedges et al.: Accurate timetrees do indeed require accurate calibrations. Proceedings of the National Academy of Sciences, 115 (41) : doi: 10.1073/pnas.1812816115

Pressel S, Renzaglia KS, (Dicky) Clymo RS, Duckett JG (2018) Hornwort stomata do not respond actively to exogenous and environmental cues. Annals of Botany, 122 (1) : 45 - 57. doi: 10.1093/aob/mcy045

Field KJ, Pressel S (2018) Unity in diversity: structural and functional insights into the ancient partnerships between plants and fungi. New Phytologist, 220 (4) : 996 - 1011. doi: 10.1111/nph.15158

Morris JL, Puttick MN, Clark JW, Edwards D, Kenrick P, Pressel S, Wellman CH, Yang Z, Schneider H, Donoghue PCJ (2018) The timescale of early land plant evolution. Proceedings of the National Academy of Sciences, 115 (10) : doi: 10.1073/pnas.1719588115

Puttick MN, Morris JL, Williams TA, Cox CJ, Edwards D, Kenrick P, Pressel S, Wellman CH, Schneider H, Pisani D, Donoghue PCJ (2018) The Interrelationships of Land Plants and the Nature of the Ancestral Embryophyte. Current Biology, 28 (5) : 733 - 745.e2. doi: 10.1016/j.cub.2018.01.063

Duckett JG, Pressel S (2018) The evolution of the stomatal apparatus: intercellular spaces and sporophyte water relations in bryophytes—two ignored dimensions. Philosophical Transactions of the Royal Society B: Biological Sciences, 373 (1739) : 20160498 - 20160498. doi: 10.1098/rstb.2016.0498

Hoysted GA, Kowal J, Jacob A, Rimington WR, Duckett JG, Pressel S, Orchard S, Ryan MH, Field KJ, Bidartondo MI (2018) A mycorrhizal revolution. Current Opinion in Plant Biology, 44 : 1 - 6. doi: 10.1016/j.pbi.2017.12.004

Kowal J, Pressel S, Duckett JG, Bidartondo MI, Field KJ (2018) From rhizoids to roots? Experimental evidence of mutualism between liverworts and ascomycete fungi. Annals of Botany, 121 (2) : 221 - 227. doi: 10.1093/aob/mcx126

Rankin AH, Pressel S, Duckett J, Rimington WR, Hawes I, Sumner DY, Mackey TJ, Castendyke D, Schneider H, Jungblut AD (2017) Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica. Polar Biology, 40 (10) : 2063 - 2076. doi: 10.1007/s00300-017-2127-y

Villarreal JC, Duckett JG, Pressel S (2017) Morphology, ultrastructure and phylogenetic affinities of the single-island endemic Anthoceros cristatus Steph. (Ascension Island). Journal of Bryology, 39 (3) : 226 - 234. doi: 10.1080/03736687.2017.1302153

Kowal J, Duckett J, Jacob A, Rimington W, Bidartondo M, Field K, Schornack S, Pressel S (2017) Lycopodiella inundata: insights into plant-fungal associations in early vascular plants. Presented at The Rhynie Chert – our earliest terrestrial ecosystem revisited.

Rimington WR, Pressel S, Field KJ, Strullu-Derrien C, Duckett JG, Bidartondo MI (2016) Reappraising the origin of mycorrhizas, In: Molecular Mycorrhizal Symbiosis, Martin F (Eds). John Wiley & Sons :

Kowal J, Pressel S, Duckett J, Bidartondo M (2016) A new tool for habitat restoration: liverworts and their mycorrhiza-like fungal partners. Presented at British Ecological Society Annual Meeting.

Mitchell RL, Cuadros J, Duckett JG, Pressel S, Mavris C, Sykes D, Najorka J, Edgecombe GD, Kenrick P (2016) Mineral weathering and soil development in the earliest land plant ecosystems. Geology, 44 (12) : 1007 - 1010. doi: 10.1130/g38449.1

Pressel S, Bidartondo MI, Field KJ, Rimington WR, Duckett JG (2016) Pteridophyte fungal associations: Current knowledge and future perspectives. Journal of Systematics and Evolution, 54 (6) : 666 - 678. doi: 10.1111/jse.12227

Mitchell RL, Cuadros J, Pressel S, Duckett JG, Mavris C, Sykes D, Najorka J, Edgecombe GD, Kenrick P (2016) LEAVING THEIR MARK: BIOLOGICALLY-INDUCED MINERAL WEATHERING AND SOIL DEVELOPMENT IN ANCIENT LAND-PLANT ECOSYSTEMS. GSA Annual Meeting in Denver, Colorado, USA - 2016, Geological Society of America Abstracts with Programs Geological Society of America : doi: 10.1130/abs/2016am-282635

Field KJ, Rimington WR, Bidartondo MI, Allinson KE, Beerling DJ, Cameron DD, Duckett JG, Leake JR, Pressel S (2016) Functional analysis of liverworts in dual symbiosis with Glomeromycota and Mucoromycotina fungi under a simulated Palaeozoic CO2 decline. The ISME Journal, 10 (6) : 1514 - 1526. doi: 10.1038/ismej.2015.204

Renzaglia KS, Crandall-Stotler B, Pressel S, Duckett JG, Schuette S, Strother PK (2015) Permanent spore dyads are not ‘a thing of the past’: on their occurrence in the liverwortHaplomitrium(Haplomitriopsida). Botanical Journal of the Linnean Society, 179 (4) : 658 - 669. doi: 10.1111/boj.12343

Kowal J, Pressel S, Duckett JG, Bidartondo MI (2016) Liverworts to the rescue: an investigation of their efficacy as mycorrhizal inoculum for vascular plants. Functional Ecology, 30 (6) : 1014 - 1023. doi: 10.1111/1365-2435.12580

Field KJ, Pressel S, Duckett JG, Rimington WR, Bidartondo MI (2015) Symbiotic options for the conquest of land.. Trends in ecology & evolution, 30 (8) : 477 - 486. doi: 10.1016/j.tree.2015.05.007

Field KJ, Duckett JG, Cameron DD, Pressel S (2015) Stomatal density and aperture in non-vascular land plants are non-responsive to above-ambient atmospheric CO2 concentrations. ANNALS OF BOTANY, 115 (6) : 915 - 922. doi: 10.1093/aob/mcv021

Field KJ, Rimington WR, Bidartondo MI, Allinson KE, Beerling DJ, Cameron DD, Duckett JG, Leake JR, Pressel S (2015) First evidence of mutualism between ancient plant lineages (Haplomitriopsida liverworts) and Mucoromycotina fungi and its response to simulated Palaeozoic changes in atmospheric CO2. NEW PHYTOLOGIST, 205 (2) : 743 - 756. doi: 10.1111/nph.13024

Rimington WR, Pressel S, Duckett JG, Bidartondo MI (2015) Fungal associations of basal vascular plants: reopening a closed book?. New Phytologist, 205 (4) : 1394 - 1398. doi: 10.1111/nph.13221

Ares A, Duckett JG, Pressel S (2014) Asexual reproduction and protonemal developmentin vitroinFontinalis antipyreticaHedw.. Journal of Bryology, 36 (2) : 122 - 133. doi: 10.1179/1743282014y.0000000099

Pressel S, Goral T, Duckett JG (2014) Stomatal differentiation and abnormal stomata in hornworts. Journal of Bryology, 36 (2) : 87 - 103. doi: 10.1179/1743282014y.0000000103

Strullu-Derrien C, Kenrick P, Pressel S, Duckett JG, Rioult J-P, Strullu D-G (2014) Fungal associations in Horneophyton ligneri from the Rhynie Chert (c. 407 million year old) closely resemble those in extant lower land plants: novel insights into ancestral plant-fungus symbioses. NEW PHYTOLOGIST, 203 (3) : 964 - 979. doi: 10.1111/nph.12805

Duckett JG, Ligrone R, Renzaglia KS, Pressel S (2014) Pegged and smooth rhizoids in complex thalloid liverworts (Marchantiopsida): structure, function and evolution. Botanical Journal of the Linnean Society, 174 (1) : 68 - 92. doi: 10.1111/boj.12121

Barclay RS, McElwain JC, Duckett JG, Es MH, Mostaert AS, Pressel S, Sageman BB (2013) New methods reveal oldest known fossil epiphyllous moss: Bryiidites utahensis gen. et sp. nov. (Bryidae). American Journal of Botany, 100 (12) : 2450 - 2457. doi: 10.3732/ajb.1300209

Desirò A, Duckett JG, Pressel S, Villarreal JC, Bidartondo MI (2013) Fungal symbioses in hornworts: a chequered history. Proceedings of the Royal Society B: Biological Sciences, 280 (1759) : 20130207 - 20130207. doi: 10.1098/rspb.2013.0207

Porley RD, Pressel S (2012) Grimmia fuscolutea with gemmae and observations on other propaguliferous Grimmia.. Polish Botanical Journal, 57 : 295 - 315.

PRESSEL S (null) British Bryological Society Survey of Reproductive Phenology of Common British Bryophyte. http://rbgweb2.rbge.org.uk/bbs/Activities/Phenology/Phenology%20Project.htm. :

Rowntree JK, Pressel S, Ramsay MM, Sabovljevic A, Sabovljevic M (2011) In vitro conservation of European bryophytes. In Vitro Cellular & Developmental Biology - Plant, 47 (1) : 55 - 64. doi: 10.1007/s11627-010-9326-3

PRESSEL S, DUCKETT JG (2011) Bryophyte surfaces; New functional perspective from cryo-scanning electron microscopy. Field Bryology, 104 : 50 - 53.

PRESSEL S, P’ng KYM, DUCKETT JG (2011) An ultrastructural study of the unique surface ornamentation in the liverwort Mizutania riccardioides Furuke et Iwatsuki. Bryologist, 114 : 38 - 51.

Hooper EJ, Duckett JG, Cuming AC, Kunin WE, Pressel S (2010) Ephemerella readeriMüll. Hal. (Physcomitrella readeri(Müll. Hal.) I.G. Stone & G.A.M. Scott, Funariidae, Bryophyta): a genus and species new to Europe. Journal of Bryology, 32 (4) : 256 - 264. doi: 10.1179/037366810x12814321877589

Pressel S, Bidartondo MI, Ligrone R, Duckett JG (2010) Fungal symbioses in bryophytes: New insights in the Twenty First Century. PHYTOTAXA, 9 : 238 - 253.

Bates J, PRESSEL S (2010) Ecology Matters. Field Bryology, 102 : 47 - 49.

DUCKETT JG, P’ng KMY, Renzaglia KS, PRESSEL S (2010) The function and evolution of stomata in bryophytes. Field Bryology, 101 : 38 - 40.

DUCKETT JG, PRESSEL S (2010) London’s changing bryophyte flora. The London Naturalist, 89 : 101-116 (the article first appeared in Field Bryology 98 - 2009).

DUCKETT JG, PRESSEL S, P’Ng KMY, Renzaglia KS (2010) The Sphagnum air-gun mechanism resurrected? Not with a closer look. Commentary on “The Sphagnum air-gun mechanism resurrected” by Sundberg. New Phytologist (Letter), 185 : 886 - 889.

Pressel S, P'ng KMY, Duckett JG (2010) A cryo-scanning electron microscope study of the water relations of the remarkable cell wall in the moss Rhacocarpus purpurascens (Rhacocarpaceae, Bryophyta). Nova Hedwigia, 91 (3-4) : 289 - 299. doi: 10.1127/0029-5035/2010/0091-0289

PRESSEL S (2010) Tetraplodon mnioides (Black fruited stink moss). http://www.nhm.ac.uk/nature-online/species-of-the-day/evolution/tetraplodon-mnioides/index.html :

PRESSEL S (2010) EBESCONet - European Bryophyte Ex situ conservation Network. http://www.ebesconet.org/ :

PRESSEL S, DUCKETT JG (2010) Cytological insights into the desiccation biology of a model system: moss protonemata. New Phytologist (Letter), 185 : 944 - 963.

PRESSEL S, P’Ng KMY, DUCKETT JG (2010) Cryo-scanning electron microscope study of the water relations of the remarkable cell wall in the moss Rhacocarpus. Nova Hedwigia, 91 : 289 - 299.

Mitchell RL, Strullu‐Derrien C, Sykes D, Pressel S, Duckett JG, Kenrick P (2021) Cryptogamic ground covers as analogues for early terrestrial biospheres: Initiation and evolution of biologically mediated proto‐soils. Geobiology, 19 (3) : 292 - 306. doi: 10.1111/gbi.12431

Teaching and students

Courses taught

Postgraduate: Taxonomic Principles and Tools in Botanical Research

3/2017.

Postgraduate: Taxonomic Principles and Tools in Botanical Diversity
3/2016.

Supervision

Doctorate (PhD) Co-supervisor to Rimington W
Co supervisor(s): Pressel S
, London, United Kindgdom
Funding: NERC DTP
1/9/2015 - 31/8/2019.

Co-supervisor to Stow SC
Co supervisor(s): Brummitt NA
Bryophytes as environmental indicators of habitat quality: a new toolset for conservation assessment.
Funding: Fundação para a Ciência e a Tecnologia (FCT), Portugal
3/6/2013 - 31/5/2017.

Doctorate (PhD) Co-supervisor to Carvalho Stow S
Co supervisor(s): Pressel S
University of Kent, Canterbury, Canterbury, United Kingdom
Funding: Fundação para a Ciência e a Tecnologia [FCT]
1/6/2013 - 31/5/2017.

Course developed

Co developers: Knapp S, Thues H, Carine M, Brodie J, Ellis L, Wilbraham J, Spencer M, Rumsey F
Taxonomic Principles and Tools in Botanical Research,

Impact and outreach

Awards

The Elisabeth Hocart Prize in botany,

The Irene Manton Prize,

The Trail Crisp Award,

Invited and keynote speaker

Invited speaker, Bryophytes of Remote Islands - Lessons from Ascension Island, Diversity, Evolution and Conservation of South Atlantic Island Floras: Natural History Museum, London, London, United Kingdom, 21/3/2017.

Invited speaker, Origins and early evolution of plant-fungus associations, The Rhynie Chert - Our Earliest Terrestrial Ecosystem Revisited: The Royal Society, London, 7/3/2017.

Invited speaker, Key Land Plant Innovations in the Bryophyte Clade, Leeds University - Seminar Series: University of Leeds, Leeds, Leeds, United Kingdom, 10/11/2016.

Guest lectures

Keynote speaker, The bryophytes of St. Helena, Public event organized by the Environment and Natural Resources Directorate St. Helena Government: 14/5/2017.

Invited speaker, Bryophytes, Lower Plants in Nature - Lecture Series: 21/10/2016.