Prof. Dr. Benedikt Kost
Chair of Cell Biology
Head
Address
Staudtstraße 5 91058 Erlangen
Contact
Consultation Hours
By appointment
CV
Education and Training
| 1990 - 1995 | PhD training, thesis topic: “Cell fate mapping by genetic engineering” Supervisors: Prof. Dr. Gunther Neuhaus, Prof. Dr. Ingo Potrykus Swiss Federal Institute of Technology (ETHZ), Zürich, Switzerland |
| 1984 - 1990 | University education, diploma in „Experimental Biology“ Supervisor (diploma thesis): Prof. Dr. Gunther Neuhaus Swiss Federal Institute of Technology (ETHZ), Zürich, Switzerland |
Professional Positions
| since 2010 | Professor (Chair) in Cell Biology Department of Biology University of Erlangen-Nuremberg, Germany |
| 2008 - 2010 | Professor (Chair) in Molecular Genetics Department of Plant Biology and Forest Genetics Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden |
| 2007 - 2008 | Associate Professor Warwick HRI Warwick Universität, Coventry, UK |
| 2002 - 2007 | Group leader (independent) Institute for Plant Sciences University of Heidelberg, Germany |
| 1999 - 2001 | Postdoc Institute of Molecular Agrobiology (IMA), Prof. Dr. Nam-Hai Chua National University of Singapore (NUS), Singapore |
| 1995 - 1998 | Postdoc Laboratory of Plant Molecular Biology, Prof. Dr. Nam-Hai Chua Rockefeller University, New York, USA |
Publications
Journal Articles
- le Bail, A., Kost, B., Nüssel, J., Lolis, T., Koch, D., Voll, H.,... Ntefidou, M. (2025). Essential developmental processes in Physcomitrium patens require distinct levels of total activity provided by functionally redundant PpROP GTPases. New Phytologist, 248, 2865-2890. https://doi.org/10.1111/nph.70603
BibTeX: Download - Fritz, C., Reimann, T., Adler, J., Knab, J., Schulmeister, S., Kriechbaum, C.,... Kost, B. (2024). Plasma membrane and cytoplasmic compartmentalization: A dynamic structural framework required for pollen tube tip growth. Plant Physiology, 197(1). https://doi.org/10.1093/plphys/kiae558
BibTeX: Download - Reimann, T., Müdsam, C., Schachtler, C., Ince, S., Sticht, H., Herrmann, C.,... Kost, B. (2023). The large GTPase AtGBPL3 links nuclear envelope formation and morphogenesis to transcriptional repression. Nature Plants. https://doi.org/10.1038/s41477-023-01400-5
BibTeX: Download - Ntefidou, M., Eklund, D.M., le Bail, A., Schulmeister, S., Scherbel, F., Brandl, L.,... Kost, B. (2023). Physcomitrium patens PpRIC, an ancestral CRIB-domain ROP effector, inhibits auxin-induced differentiation of apical initial cells. Cell Reports, 42(2). https://doi.org/10.1016/j.celrep.2023.112130
BibTeX: Download - Shiko, G., Paulmann, M.J., Feistel, F., Ntefidou, M., Hermann-Ene, V., Vetter, W.,... Klein, J. (2023). Occurrence and conversion of progestogens and androgens are conserved in land plants. New Phytologist. https://doi.org/10.1111/nph.19163
BibTeX: Download - Grebnev, G., Cvitkovic, M., Fritz, C., Cai, G., Smith, A.-S., & Kost, B. (2020). Quantitative Structural Organization of Bulk Apical Membrane Traffic in Pollen Tubes. Plant Physiology, 183(4), 1559-1585. https://doi.org/10.1104/pp.20.00380
BibTeX: Download - Reimann, R., Kah, D.-T.E., Mark, C., Dettmer, J., Reimann, T., Gerum, R.,... Kost, B. (2020). Durotropic Growth of Pollen Tubes(1)([OPEN]). Plant Physiology, 183(2), 558-569. https://doi.org/10.1104/pp.19.01505
BibTeX: Download - Reimann, R., Kah, D.-T.E., Mark, C., Dettmer, J., Reimann, T., Gerum, R.,... Kost, B. (2020). Durotropic Growth of Pollen Tubes. Plant Physiology, 183, 558-569. https://doi.org/10.1104/PP.19.01505
BibTeX: Download - le Bail, A., Schulmeister, S., Perroud, P.-F., Ntefidou, M., Rensing, S.A., & Kost, B. (2019). Analysis of the Localization of Fluorescent PpROP1 and PpROP-GEF4 Fusion Proteins in Moss Protonemata Based on Genomic “Knock-In” and Estradiol-Titratable Expression. Frontiers in Plant Science, 10. https://doi.org/10.3389/fpls.2019.00456
BibTeX: Download - Conze, L.L., Berlin, S., le Bail, A., & Kost, B. (2017). Transcriptome profiling of tobacco (Nicotiana tabacum) pollen and pollen tubes. BMC Genomics, 18. https://doi.org/10.1186/s12864-017-3972-3
BibTeX: Download - Montes Rodriguez, A., & Kost, B. (2017). Direct comparison of the performance of commonly employed in vivo F-actin markers (Lifeact-YFP, YFP-mTn and YFP-FABD2) in tobacco pollen tubes. Frontiers in Plant Science, 8. https://doi.org/10.3389/fpls.2017.01349
BibTeX: Download - Reimann, R., Kost, B., & Dettmer, J. (2017). TETRASPANINs in Plants. Frontiers in Plant Science, 8, 545. https://doi.org/10.3389/fpls.2017.00545
BibTeX: Download - Grebnev, G., Ntefidou, M., & Kost, B. (2017). Secretion and Endocytosis in Pollen Tubes: Models of Tip Growth in the Spot Light. Frontiers in Plant Science, 8. https://doi.org/10.3389/fpls.2017.00154
BibTeX: Download - Sun, J., Eklund, D.M., Montes Rodriguez, A., & Kost, B. (2015). In vivo Rac/Rop localization as well as interaction with RhoGAP and RhoGDI in tobacco pollen tubes: analysis by low-level expression of fluorescent fusion proteins and bimolecular fluorescence complementation. Plant Journal, 84(1), 83-98. https://doi.org/10.1111/tpj.12961
BibTeX: Download - Stephan, O., Cottier, S., Fahlen, S., Montes Rodriguez, A., Sun, J., Eklund, D.M.,... Kost, B. (2014). RISAP Is a TGN-Associated RAC5 Effector Regulating Membrane Traffic during Polar Cell Growth in Tobacco. The Plant Cell, 26(11), 4426-4447. https://doi.org/10.1105/tpc.114.131078
BibTeX: Download - Potocky, M., Pleskot, R., Pejchar, P., Vitale, N., Kost, B., & Zarsky, V. (2014). Live-cell imaging of phosphatidic acid dynamics in pollen tubes visualized by Spo20p-derived biosensor. New Phytologist, 203(2), 483-494. https://doi.org/10.1111/nph.12814
BibTeX: Download - le Bail, A., Scholz, S., & Kost, B. (2013). Evaluation of Reference Genes for RT qPCR Analyses of Structure-Specific and Hormone Regulated Gene Expression in Physcomitrella patens Gametophytes. PLoS ONE, 8(8). https://doi.org/10.1371/journal.pone.0070998
BibTeX: Download - Potocky, M., Pejchar, P., Gutkowska, M., Jose Jimenez-Quesada, M., Potocka, A., De Dios Alche, J.,... Zarsky, V. (2012). NADPH oxidase activity in pollen tubes is affected by calcium ions, signaling phospholipids and Rac/Rop GTPases. Journal of Plant Physiology, 169(16), 1654-1663. https://doi.org/10.1016/j.jplph.2012.05.014
BibTeX: Download - Stephan, O., Cottier, S., Fahlen, S., Klahre, U., & Kost, B. (2012). The N. tabacum RIPA1 gene encodes for a novel pollen tube protein involved in Rac5 GTPase dependent control of polarized cell growth. Febs Journal, 279, 70-70. https://doi.org/10.1111/febs.13984
BibTeX: Download - Richter, S., Mueller, L.M., Stierhof, Y.-D., Mayer, U., Takada, N., Kost, B.,... Juergens, G. (2012). Polarized cell growth in Arabidopsis requires endosomal recycling mediated by GBF1-related ARF exchange factors. Nature Cell Biology, 14(1), 80-U130. https://doi.org/10.1038/ncb2389
BibTeX: Download - Groenke, N., Seisenbaeva, G.A., Kaminskyy, V., Zhivotovsky, B., Kost, B., & Kessler, V.G. (2012). Structural characterization, solution stability, and potential health and environmental effects of the Nano-TiO2 bioencapsulation matrix and the model product of its biodegradation TiBALDH. RSC Advances, 2, 4228-4235. https://doi.org/10.1039/c2ra20388j
BibTeX: Download - Eklund, D.M., Svensson, E.M., & Kost, B. (2010). Physcomitrella patens: a model to investigate the role of RAC/ROP GTPase signalling in tip growth. Journal of Experimental Botany, 61(7), 1917-1937. https://doi.org/10.1093/jxb/erq080
BibTeX: Download - Sousa, E., Kost, B., & Malhó, R. (2008). Arabidopsis Phosphatidylinositol-4-Monophosphate 5-Kinase 4 Regulates Pollen Tube Growth and Polarity by Modulating Membrane Recycling. The Plant Cell, 20(11), 3050-3064. https://doi.org/10.1105/tpc.108.058826
BibTeX: Download - Yalovsky, S., Bloch, D., Sorek, N., & Kost, B. (2008). Regulation of membrane trafficking, cytoskeleton dynamics, and cell polarity by ROP/RAC GTPases. Plant Physiology, 147(4), 1527-1543. https://doi.org/10.1104/pp.108.122150
BibTeX: Download - Kost, B. (2008). Spatial control of Rho (Rac-Rop) signaling in tip-growing plant cells. Trends in Cell Biology, 18(3), 119-127. https://dx.doi.org/10.1016/j.tcb.2008.01.003
BibTeX: Download - Röckel, N., Wolf, S., Kost, B., Rausch, T., & Greiner, S. (2008). Elaborate spatial patterning of cell-wall PME and PMEI at the pollen tube tip involves PMEI endocytosis, and reflects the distribution of esterified and de-esterified pectins. Plant Journal, 53(1), 133-143. https://dx.doi.org/10.1111/j.1365-313X.2007.03325.x
BibTeX: Download - Helling, D., Possart, A., Cottier, S., Klahre, U., & Kost, B. (2006). Pollen tube tip growth depends on plasma membrane polarization mediated by tobacco PLC3 activity and endocytic membrane recycling. The Plant Cell, 18(12), 3519-3534. https://dx.doi.org/10.1105/tpc.106.047373
BibTeX: Download - Klahre, U., & Kost, B. (2006). Tobacco RhoGTPase ACTIVATING PROTEIN1 spatially restricts signaling of RAC/Rop to the apex of pollen tubes. The Plant Cell, 18(11), 3033-3046. https://dx.doi.org/10.1105/tpc.106.045336
BibTeX: Download - Klahre, U., Becker, C., Schmitt, A.C., & Kost, B. (2006). Nt-RhoGDI2 regulates Rac/Rop signaling and polar cell growth in tobacco pollen tubes. Plant Journal, 46(6), 1018-1031. https://dx.doi.org/10.1111/j.1365-313X.2006.02757.x
BibTeX: Download - Nakanomyo, I., Kost, B., Chua, N.-H., & Fukuda, H. (2002). Preferential and asymmetrical accumulation of a Rac small GTPase mRNA in differentiating xylem cells of Zinnia elegans. Plant and Cell Physiology, 43(12), 1484-1492. https://dx.doi.org/10.1093/pcp/pcf170
BibTeX: Download - Kost, B., Bao, Y.-Q., & Chua, N.-H. (2002). Cytoskeleton and plant organogenesis. Philosophical Transactions of the Royal Society B-Biological Sciences, 357(1422), 777-789. https://dx.doi.org/10.1098/rstb.2002.1090
BibTeX: Download - Kost, B., & Chua, N.-H. (2002). The plant cytoskeleton: Vacuoles and cell walls make the difference. Cell, 108(1), 9-12. https://dx.doi.org/10.1016/S0092-8674(01)00634-1
BibTeX: Download - Bao, Y.-Q., Kost, B., & Chua, N.-H. (2001). Reduced expression of a-tubulin genes in Arabidopsis thaliana specifically affects root growth and morphology, root hair development and root gravitropism. Plant Journal, 28(2), 145-157. https://dx.doi.org/10.1046/j.1365-313X.2001.01142.x
BibTeX: Download - Kost, B. (2001). Towards a virtual Arabidopsis plant. Genome Biology, 2(8), 4019.1–4019.4.
BibTeX: Download - Dong, C.-H., Xia, G.-X., Hong, Y., Ramachandran, S., Kost, B., & Chua, N.-H. (2001). ADF proteins are involved in the control of flowering and regulate F-actin organization, cell expansion, and organ growth in Arabidopsis. The Plant Cell, 13(6), 1333-1346. https://dx.doi.org/10.1105/tpc.13.6.1333
BibTeX: Download - Dong, C.-H., Kost, B., Xia, G., & Chua, N.-H. (2001). Molecular identification and characterization of the Arabidopsis AtADF1, AtADF5 and AtADF6 genes. Plant Molecular Biology, 45(5), 517-527. https://dx.doi.org/10.1023/A:1010687911374
BibTeX: Download - Zuo, J., Niu, Q.-W., Nishizawa, N., Wu, Y., Kost, B., & Chua, N.-H. (2000). KORRIGAN, an arabidopsis endo-1,4-beta-glucanase, localizes to the cell plate by polarized targeting and is essential for cytokinesis. The Plant Cell, 12(7), 1137-1152. https://dx.doi.org/10.1105/tpc.12.7.1137
BibTeX: Download - Klahre, U., Friederich, E., Kost, B., Louvard, D., & Chua, N.-H. (2000). Villin-like actin-binding proteins are expressed ubiquitously in Arabidopsis. Plant Physiology, 122(1), 35-47. https://dx.doi.org/10.1104/pp.122.1.35
BibTeX: Download - Kost, B., Mathur, J., & Chua, N.-H. (1999). Cytoskeleton in plant development. Current Opinion in Plant Biology, 2(6), 462-470. https://dx.doi.org/10.1016/S1369-5266(99)00024-2
BibTeX: Download - Mathur, J., Spielhofer, P., Kost, B., & Chua, N.-H. (1999). The actin cytoskeleton is required to elaborate and maintain spatial patterning during trichome cell morphogenesis in Arabidopsis thaliana. Development, 126(24), 5559-5568.
BibTeX: Download - Kost, B., Lemichez, E., Spielhofer, P., Hong, Y., Tolias, K., Carpenter, C., & Chua, N.-H. (1999). Rac homologues and compartmentalized phosphatidylinositol 4,5-bisphosphate act in a common pathway to regulate polar pollen tube growth. The Journal of Cell Biology, 145(2), 317-330. https://dx.doi.org/10.1083/jcb.145.2.317
BibTeX: Download - Kost, B., Spielhofer, P., & Chua, N.-H. (1998). A GFP-mouse talin fusion protein labels plant actin filaments in vivo and visualizes the actin cytoskeleton in growing pollen tubes. Plant Journal, 16(3), 393-401. https://dx.doi.org/10.1046/j.1365-313x.1998.00304.x
BibTeX: Download - Kost, B., Leduc, N., Sautter, C., Potrykus, I., & Neuhaus, G. (1996). Transient marker-gene expression during zygotic in-vitro embryogenesis of Brassica juncea (Indian mustard) following particle bombardment. Planta, 198(2), 211-220. https://dx.doi.org/10.1007/BF00206246
BibTeX: Download - Kost, B., Galli, A., Potrykus, I., & Neuhaus, G. (1995). High efficiency transient and stable transformation by optimized DNA microinjection into Nicotiana tabacum protoplasts. Journal of Experimental Botany, 46(290), 1157-1167. https://dx.doi.org/10.1093/jxb/46.9.1157
BibTeX: Download - Kost, B., Schnorf, M., Potrykus, I., & Neuhaus, G. (1995). Non-destructive detection of firefly luciferase (LUC) activity in single plant cells using a cooled, slow-scan CCD camera and an optimized assay. Plant Journal, 8(1), 155-166. https://dx.doi.org/10.1046/j.1365-313X.1995.08010155.x
BibTeX: Download - Kost, B., Potrykus, I., & Neuhaus, G. (1992). Regeneration of fertile plants from excised immature zygotic embryos of Arabidopsis thaliana. Plant Cell Reports, 12(1), 50-54. https://dx.doi.org/10.1007/BF00232423
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Book Contributions
- Fritz, C., & Kost, B. (2020). Testing Pollen Tube Proteins for In Vivo Binding to Phosphatidic Acid by n-Butanol Treatment and Confocal Microscopy. In Anja Geitmann (Eds.), Pollen and Pollen Tube Biology. (pp. 307-325).
BibTeX: Download - Johnson, M.A., & Kost, B. (2010). Pollen Tube Development. In Hennig, Lars, Köhler, Claudia (Eds.) (Eds.), Plant Developmental Biology. (pp. 155-176). Totowa: Humana Press.
BibTeX: Download - Kost, B. (2010). Regulatory and Cellular Functions of Plant RhoGAPs and RhoGDIs. In Yalovsky, Shaul, Baluška, František, Jones, Alan (Eds.) (Eds.), Integrated G Proteins Signaling in Plants. (pp. 27-48). Springer-Verlag Berlin Heidelberg.
BibTeX: Download - Kost, B., Spielhofer, P., Mathur, J., Dong, C.-H., & Chua, N.-H. (2000). Non-invasive F-actin visualization in living plant cells using a GFP mouse talin fusion protein. In C. J. Staiger, F. Baluška,D. Volkmann, P. W. Barlow (Eds.), Actin: a dynamic framework for multiple plant cell functions. (pp. 637-659). Dordrecht: Springer Netherlands.
BibTeX: Download - Schnorf, M., Kost, B., Galli, A., & Neuhaus, G. (1995). Microinjection into Tobacco Protoplasts and Regeneration of Transgenic Plants. In Potrykus, Ingo, Spangenberg, German (Eds.) (Eds.), Gene Transfer to Plants (pp. 176-185). Berlin: Springer-Verlag Berlin Heidelberg.
BibTeX: Download - Fütterer, J., Gisel, A., Iglesias, V., Klöti, A., Kost, B., Mittelsten Scheid, O.,... Wang, Z. (1995). Standard Molecular Techniques for the Analysis of Transgenic Plants. In Potrykus, Ingo, Spangenberg, German (Eds.) (Eds.), Gene Transfer to Plants (pp. 215-263). Berlin: Springer-Verlag Berlin Heidelberg.
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