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Dr. Clemens Rössner

Postdoc

Justus-Liebig-University

Botanical Institute

Evolutionary developmental biology of plants

Heinrich-Buff-Ring 38

35392 Giessen

GERMANY

 

Tel. +49 641 99-35202

 

Clemens.Roessner@bot1.bio.uni-giessen.de

 

Scientific Career:

2013-2017       Bachelor of Science Biology, Justus-Liebig-University Giessen

2017-2019       Master of Science Biology, Justus-Liebig-University Giessen

2020 -11/2025 PhD student, Justus-Liebig-University, Becker Lab

12/2025 - now  Postdoc at the Becker Lab and Coordinator of DFG funded research unit ICIPS

 

Skills:

Molecular phylogenetics, transcriptome analyses, molecular cloning, plant transformation (particle gun and floral dip), gene silencing (VIGS), plant tissue culture, bioinformatics (experiences with different tools e.g. IQTREE, ORTHOFINDER, GENESPACE, MCSCANX, SYRI, DSEQ2, AlphaFold etc. (on de.NBI-Cloud) and basic R coding), data visualization and teaching of bachelor and master classes

 

Publications:

  • Rössner L-H, Rössner C, Kong D, Lotz D, Weisert A, Yamada Y, Sato F, Davies K, Rupp O, Fuchs J, Baldwin EA, Lovell J, McKain M, Barry K, Bruna T, Talag J, Jenkins J, Walstead R, Grimwood J, Schmutz J, Leebens-Mack JH, Becker A. (2025) California poppy genome and transcriptome reveal contrasting impacts of gene and genome duplications on biosynthetic and flower developmental pathways, The Plant Cell, accepted
  • Lotz D, Rössner L-H, Ehlers K, Kong D, Rössner C, Rupp O, Becker A (2024) Conservation of the dehiscence zone gene regulatory network in dicots and the role of the SEEDSTICK ortholog of California poppy (Eschscholzia californica) in fruit development. Accepted at BMC Evodevo
  • Rössner C, Griep S, Becker A (2024) A land plant phylogenetic framework for GLABROUS INFLORESCENCE STEMS (GIS), SUPERMAN, JAGGED and allies plus their TOPLESS co-repressor. Molecular Phylogenetics and Evolution, Vol.201, https://doi.org/10.1016/j.ympev.2024.108195
  • Rupp O, Roessner C, Lederer-Ponzer N, Wollenweber TE, Becker A, Lamaoui M. (2024) Genome of Argania spinosa L.: insights into oil production and the tocopherol biosynthesis pathway. Genetic Resources and Crop Evolution, 1-16. https://doi.org/10.1007/s10722-024-01931-6
  • Pramanik D, Becker A, Roessner C, Rupp O, Bogarín D, et al. (2023) Evolution and development of fruits of Erycina pusilla and other orchid species. PLOS ONE 18(10): e0286846. https://doi.org/10.1371/journal.pone.0286846
  • Gust A, Yang Y, Steidele C, Rössner C, Löffelhardt B, Kolb B, Leisen T, Zhang W, Ludwig C, Felix, Seidl MF, Becker A,  Nurnberger T, Hahn M, Gust B, Gross H, Hückelhoven R. 2023. Convergent evolution of plant pattern recognition receptors sensing cysteine-rich patterns from three microbial kingdoms. Nature communications,14:3621, doi.org/10.1038/s41467-023-39208-8  
  • Roessner C, Bhide AS, Hoffmeier A, Schenk J, Groß T, Gramzow L, Theißen G, Becker A (2023) Conservation of the restricted expression  of Brassicaceae Bsister-like genes in seeds requires a transposable element in Arabidopsis thaliana.Molecular Biology and Evolution, Vol 40, Issue5 https://doi.org/10.1093/molbev/msad114
  • Marchant DB, Chen G, Cai S, Chen F, Schafran P, Jenkins J, Shu S, Plott C, Webber J, Lovell J T, He G, Sandor L, Williams M, Rajasekar S, Healey A, Barry K, Zhang Y, Sessa E, Dhakal R, Wolf PG, Harkess A, Li F-W, Rössner C, Becker A, Gramzow L, Xue D, Wu Y, Tong T, Wang Y, Dai F, Hua S, Wang H, Xu S, Xu F, Duan H, Theißen T, McKain M, Li Z, McKibben MTW, Barker MS, Schmitz RJ, Stevenson D, Zumajo-Cardona C, Ambrose BA, Leebens-Mack JH, Grimwood J, Schmutz J, Soltis PS, Soltis DE, Chen ZH  (2022)  Dynamic genome evolution in a model fern. Nat. Plants. https://doi.org/10.1038/s41477-022-01226-7
  • Rössner C, Lotz D, Becker A (2022) VIGS Goes Viral: How VIGS Transforms Our Understanding of Plant Science. Annual Reviews of Plant Biology,73:703-28, https://doi.org/10.1146/annurev-arplant-102820-020542
  • Kivivirta K, Herbert D, Roessner C, de Folter S, Marsch-Martinez N, Becker A (2020) Transcriptome analysis of gynoecium morphogenesis uncovers the chronology of gene regulatory network activity. Plant Physiology 185: 1076-1090, doi:10.1093/plphys/kiaa090