Dr. Jonas Zimmermann

Forschungsgruppe Diatomeen

Leiter, Forschungsgruppe Diatomeen

Telefon

+49 30 838 71 835

Fax

+49 30 838-4 71 835

E-Mail

j.zimmermann@bo.berlin

Botanischer Garten und Botanisches Museum Berlin

Freie Universität Berlin

Königin-Luise-Straße 6-8

14195

Berlin

Deutschland

Lebenslauf

Seit April 2019 Leiter der Forschungsgruppe Diatomeen Botanischer Garten und Botanisches Museum, Freie Universität Berlin
Seit 2015 Researcher/PostDoc, u.a. PI im BMBF (Bundesministerium für Bildung und Forschung)-Projekt (01LI1501E) German Barcode of Life 2 (GBOL2) Teilprojekt "Innovatives, NGS-basiertes Tool zur Bewertung von EU-Wasserrahmenrichtlinie-relevanten Kieselalgen", MC-Vertreter für Deutschland CoreGroup Member und Antragsteller für COST-Aktion (CA15219) DNAqua-NET "Entwicklung neuer genetischer Werkzeuge zur Biobewertung aquatischer Ökosysteme in Europa". Koordinator für Phytobenthos im Joint Danube Survey 4 (JDS4) der Internationalen Kommission zum Schutz der Donau (IKSD), Forschungsgruppe Diatomeen Botanischer Garten und Botanisches Museum, Freie Universität Berlin
2011-2014 Dissertation am Institut für systematische Botanik, Justus‐Liebig-Universität Gießen in Kooperation mit dem Botanischen Garten und Botanischem Museum Berlin, ZE Freie Universität, Berlin‐Dahlem, Forschungsgruppe Diatomeen, dem IGB und der Universität zu Köln, gefördert durch die Deutsche Forschungsgemeinschaft (DFG) Projekt GE 12 42/11‐1, Betreuerin: PD Dr. Birgit Gemeinholzer. Thesis: „Design and valuation of DNA-Barcoding high throughput methods for analyzing diatom diversity: a test case along a south-north gradient in Central Europe (Rivers Lusatian Neisse/Oder).“
2010-2011 Wissenschaftlicher Mitarbeiter: stellvertretende Leitung des Molekularlabors am BGBM, DCPS-Projekt „DNA extraction from single cell in unicellular algae“
2010 Diplom an der Freien Universität Berlin, Titel der Arbeit „Evaluierung von cox1 und 18S als DNA-Barcoding Marker für Bacillariophyta (Kieselalgen)“

Forschungsinteressen

Environmental DNA Barcoding der Diatomeen
Phylogenie und Taxonomie der Diatomeen
Artabgrenzung und Artkonzept der Diatomeen
Biogeographie der Diatomeen

Forschungsprojekte

2019 "Endemism vs. Cosmopolitanism: assessing polar benthic diatom diversity and biogeography patterns as baseline for environmental change using an integrative approach" im Schwerpunktprogramm SPP 1158 „Antarktisforschung“ der Deutschen Forschungsgemeinschaft DFG gemeinsam mit der Universität Rostock (Prof. Dr. Ulf Karsten)
2019 DNA-Metabarcoding für die Bewertung von Gewässern in der behördlichen Praxis "GeDNA" Ressortforschungsplan (REFOPLAN) des Umweltbundesamtes (UBA) gemeinsam mit Universität Duisburg-Essen (UDE), AG Aquatische Ökosystemforschung (Prof. Dr. Florian Leese und Prof. Dr. Daniel Hering)
2019 Joint Danube Survey 4 (JDS4) of the International Commission for the Protection of the Danube River (ICPDR)
2018 Swedish Environmental Protection Agency (SWE EPA) “Barcoding of Freshwater Taxa for Improved Assessment of Biodiversity” (FRESHBAR) gemeinsam mit Prof. Dr. Maria Kahlert (Swedish University of Agricultural Sciences, Uppsala, Sweden)
2018 R-Syst::diatom, an open-access barcode library for diatoms: fine-tuned taxonomy and curation at genus and species level gefördert durch Biological Resource Centres for the Environment (BRC4Env) und die französische Infrastruktur der Agricultural Resources for Research" (AgroBRC-RARe) Ko-Kurator der Datenbank und externer Experte für die Thonon Culture Collection des UMR Carrtel
2018 PRISMA Swedish Research Council, FORMAS
“Barcoding and biodiversity of marine diatoms of Sweden” gemeinsam mit Dr. Regine Jahn und University of Gothenburg (Prof. Adil Yousif Al-Handal, Ph.D und Prof. Angela Wulff)
2016 Bundesministerium für Bildung und Forschung (BMBF)
Drittmittel für das BMBF Projekt (01LI1501E) German Barcode of Life 2 (GBOL2) im Rahmen des Unterprojekts „Erfassung von Diatomeen sowie Massensequenzierung von Umweltproben als zukünftige Technik für die Identifikation von Diatomeen im Kontext der Gewässergütebestimmung“
2016 EU Framework Programme Horizon 2020
Mitantragsteller für die EU COST Action CA15219 on “Developing new genetic tools for bioassessment of aquatic ecosystems in Europe” – or DNAqua-Net
Design and evaluation of DNA-Barcoding high throughput methods for analyzing diatom diversity: a test case along a south-north gradient in Central Europe (Rivers Lusatian Neisse/Oder) (DFG, with Justus-Liebig-University Giessen, University Cologne and IGB Berlin)
Providing access to the phytoplankton biodiversity of the Northern Adriatic Sea: taxonomy, systematics, genetics, ecology and open access data management (DAAD, with Institute Ruder Boskovic, Rovijn, Croatia)

Ehrungen und Preise

08/2015 Horst-Wiehe-Preis der Deutschen Botanischen Gesellschaft Herausragende Arbeit eines Nachwuchswissenschaftlers, Verleihung auf der Deutschen Botanikertagung 2015 in Freising.

05/2015 Ludwig-Jungermann-Preis der Justus-Liebig-Universität Gießen, Auszeichnung im FB Biologie und Chemie für eine wissenschaftlich hervorragende Dissertation.

Publications

Papers in peer reviewed journals (published and in press)

Kusber W.-H. & Zimmermann J. 2023: The correct classification of Odontella rhombus f. trigona (Biddulphiaceae, Mediophyceae), observed in the monitoring of European coastal waters. - Notulae Algarum 282: 1-3.

Schimani K., Abarca N., Zimmermann J., Skibbe O., Jahn R., Kusber W.-H., Leya T. & Mora D. 2023: Molecular phylogenetics coupled with morphological analyses of Arctic and Antarctic strains place Chamaepinnularia (Bacillariophyta) within the Sellaphoraceae. - Fottea 24(1): 1-22. https://doi.org/10.5507/fot.2023.002

Baricevic A., Chardon C., Kahlert M., Karjalainen S.M., Maric Pfannkuchen D., Pfannkuchen M., Rimet F. Smodlaka Tankovic M., Trobajo R., Vasselon V., Zimmermann J. & Bouchez A. 2022: Recommendations for the preservation of environmental samples in diatom metabarcoding studies. - Metabarcoding and Metagenomics 6: e85844. https://doi.org/10.3897/mbmg.6.85844

Duwe V.K., Vu L.V., von Rintelen T., Raab-Straube E.v., Schmidt S., Nguyen S.V., Vu T.D., Do T.V., Luu T.H., Truong V.B., Di Vincenzo V., Schmidt O., Glöckler F., Jahn R., Lücking R., von Oheimb K.C.M., von Oheimb P.V., Heinze S., Abarca N., Bollendorff S., Borsch T., Buenaventura E., Dang H.T.T., Dinh T.D., Do H.T., Ehlers S., Freyhof J., Hayden S., Hein P., Hoang T.A., Hoang D.M., Hoang S.N., Kürschner H., Kusber W.-H., Le H.N., Le T.Q., Linde M., Mey W., Nguyen H.D., Nguyen M.T., Nguyen M.T., Nguyen D.V., Nguyen T.V., Nguyen V.D.H., Nguyen D.Q., Ohl M., Parolly G., Pham T.N., Pham P.V., Rabe K., Schurian B., Skibbe O., Sulikowska-Drozd A., To Q.V., Truong T.Q., Zimmermann J., Häuser C.L. 2022: Contributions to the biodiversity of Vietnam – Results of VIETBIO inventory work and field training in Cuc Phuong National Park .Biodiversity Data Journal 10: e77025 https://doi.org/10.3897/BDJ.10e77025(Link ist extern)

Kahlert M., Karjalainen S.M., Keck F., Kelly M., Ramon M., Rimet F., Schneider S., Tapolczai K. & Zimmermann J. 2022: Co-occurrence, ecological profiles and geographical distribution based on unique molecular identifiers of the common freshwater diatoms Fragilaria and Ulnaria. - Ecological Indicators 141: 109114. https://doi.org/10.1016/j.ecolind.2022.109114

Mohamad H., Mora D., Skibbe O., Abarca N., Deutschmeyer V., Enke N., Kusber W.-H., Zimmermann J. & Jahn R. 2022: Morphological variability and genetic marker stability of 16 monoclonal pennate diatom strains under medium-term culture. - Diatom Research (Published online 02 Dec 2022; 22 pp.) https://doi.org/10.1080/0269249X.2022.2141346

Müller A., Güntsch A., Jahn R., Kohlbecker A., Kusber W.-H. & Zimmermann J. 2022: PhycoBank: Repository for algal novelties. - Biodiversity Information Science and Standards 6: e90885 doi: 10.3897/biss.6.90885

Prelle L.R., Schmidt I., Schimani K.,Zimmermann J., Abarca N., Skibbe O., Juchem D. & Karsten U. 2022: Photosynthetic, Respirational, and Growth Responses of Six Benthic Diatoms from the Antarctic Peninsula as Functions of Salinity and Temperature Variations. - Genes 13(7):1264. https://doi.org/10.3390/genes13071264

Bilous O.P., Genkal S.I., Zimmermann J., Kusber W.-H. & Jahn R. 2021: Centric diatom diversity in the lower part of the Southern Bug river (Ukraine): the transitional zone at Mykolaiv city. - PhytoKeys 178: 31-69. https://doi.org/10.3897/phytokeys.178.64426

Zimmermann J., Abarca N., Kusber W.-H., Skibbe O. & Jahn R. 2021: Biodiversität und Sauerstoffproduktion in einer Glasschachtel. Kieselalgen – winzig, aber wichtig. - Biologie unserer Zeit 2/2021 (51): 132-141. https://doi.org/10.11576/biuz-4248

Rimet F., Aylagas E., Borja A., Bouchez A., Canino A., Chauvin C., Chonova T., Ciampor Jr F., Costa F.O., Ferrari B.J.D., Gastineau R., Goulon C., Gugger M., Holzmann M., Jahn R., Kahlert M., Kusber W.-H., Laplace-Treyture C., Leese F., Leliaert F., Mann D.G., Marchand F., Méléder V., Pawlowski J., Rasconi S., Rivera S., Rougerie R., Schweizer M., Trobajo R., Vasselon V., Vivien R., Weigand A., Witkowski A., Zimmermann J. & Ekrem T. 2021: Metadata standards and practical guidelines for specimen and DNA curation when building barcode reference libraries for aquatic life. - Metabarcoding and Metagenomics 5: e58056. https://doi.org/10.3897/mbmg.5.58056

Abarca N., Zimmermann J., Kusber W.-H., Mora D., Van A. T., Skibbe O. & Jahn R. 2020: Defining the core group of the genus Gomphonema Ehrenberg with molecular and morphological methods. - Botany Letters https://doi.org/10.1080/23818107.2019.1694980

Bailet B., Apothéloz-Perret-Gentil L., Baričević A., Chonova T., Franc A., Frigerio J.-M., Kelly M., Mora D., Pfannkuchen M., Proft S., Ramon M., Vasselon V., Zimmermann J., Kahlert M. 2020: Diatom DNA metabarcoding for ecological assessment: Comparison among bioinformatics pipelines used in six European countries reveals the need for standardization. – Science of The Total Environment,Volume 745,140948, ISSN 0048-9697, https://doi.org/10.1016/j.scitotenv.2020.140948

Jahn R., Abarca N., Kusber W.-H., Skibbe O., Zimmermann J. & Mora D. 2020: Integrative taxonomic description of two new species of the Cocconeis placentula group (Bacillariophyceae) from Korea based on unialgal strains. – Algae 35(4): 303-324. https://doi.org/10.4490/algae.2020.35.8

Al-Handal A.Y., Zimmermann J., Jahn R., Anders T. & Wulff A. 2019: Nitzschia biundulata sp. nov. a new sea ice diatom (Bacillariophyceae) from the Ross Sea, Antarctica. Nova Hedwigia 108(3-4): 281-290. https://doi.org/10.1127/nova_hedwigia/2019/0519(Link ist extern)

Bilous O, Genkal S.I., Jahn R., Zimmermann J. 2019: Rare species of centric diatom algae (Bacillariophyta, Centrophyceae) from Ukraine. – International Journal on Algae 21: 67-74.

Hamilton P.B., Savoie A.M., Sayre C.M., Skibbe O., Zimmermann J. & Bull R.D. 2019: Novel Neidium Pfitzer species from western Canada based upon morphology and plastid DNA sequences. - Phytotaxa 419(1): 39-62. 2019 https://doi.org/10.11646/phytotaxa.419.1.3

Jahn R., Kusber W.-H., Skibbe O., Zimmermann J., Van A.T., Buczkó K. & Abarca N. 2019. Gomphonella olivacea (Bacillariophyceae) – a new phylogenetic position for a well-known taxon, its typification, new species and combinations. Plant Ecology and Evolution 152(2): 219-247. https://doi.org/10.5091/plecevo.2019.1603

Mora D., Abarca N., Proft S., Grau J.H., Enke N., Carmona J., Skibbe O., Jahn R. & Zimmermann J. 2019 : Morphology and metabarcoding: a test with stream diatoms from Mexico highlights the complementarity of identification methods. – Freshwater Science 38: 448-464. https://www.journals.uchicago.edu/doi/10.1086/704827

Rimet F., Gusev E., Kahlert M., Kelly M., Kulikovskiy, Maltsev Y., Mann D.G., Pfannkuchen M., Trobajo R., Vasselon V., Zimmermann J., Bouchez A. 2019: Diat.barcode, an open-access curated barcode library for diatoms. Scientific Reports 9(1): 15116 https://doi.org/10.1038/s41598-019-51500-6

Skibbe O., Zimmermann J., Kusber W.-H., Abarca N., Buczkó K. & Jahn R. 2018: Gomphoneis tegelensis sp. nov. (Bacillariophyceae): a morphological and molecular investigation based on selected single cells. - Diatom Research 33(2): 251-262. https://doi.org/10.1080/0269249X.2018.1518835

Pawlowski J., Kahlert M., Kelly-Quinn M., Altermatt F., Apothéloz-Perret-Gentil L., Beja P., Boggero A., Borja A., Bouchez A., Cordier T., Domaizon I., Feio M.J., Filipe A.F., Fornaroli R., Graf W., Herder J., van der Hoorn B., Jones J.I., Sagova-Mareckova M., Moritz C., Barquín J., Piggott J.J., Pinna M., Rimet F., Rinkevich B., Sousa-Santos C., Specchia V., Trobajo R., Vasselon V., Vitecek S., Zimmermann J. & Leese F. 2018: The future of biotic indices in the ecogenomic era: integrating DNA metabarcoding in biological assessment of aquatic ecosystems. Science of the Total Environment 637-638: 1295-1310.

Rimet F., Abarca N., Bouchez A., Kusber W.-H., Jahn R., Kahlert M., Keck F., Kelly M.G., Mann D.G., Piuz A., Tapolaczai K., Vasselon V. & Zimmermann J. 2018: The potential of High–Throughput Sequencing (HTS) of natural samples as a source of primary taxonomic information for reference libraries of diatom barcodes. - Fottea, Olomouc, 18(1): 37–54, 2018. https://doi.org/10.5507/fot.2017.013

Jahn R., Abarca N., Gemeinholzer B., Mora D., Skibbe O., Kulikovskiy M., Gusev E., Kusber W.-H. & Zimmermann J. 2017: Planothidium lanceolatum and Planothidium frequentissimum reinvestigated with molecular methods and morphology: four new species and the taxonomic importance of the sinus and cavum. - Diatom Research, 32(1): 75-107. http://dx.doi.org/10.1080/0269249X.2017.1312548

Mora D., Carmona J., Jahn R., Zimmermann J., Abarca N. 2017: Epilithic diatom communities of selected streams from the Lerma-Chapala Basin, Central Mexico, with the description of two new species. PhytoKeys 88: 39-69. doi: 10.3897/phytokeys.88.14612.

Zimmermann J. & Hürlimann J. 2017: Umwelt-DNA (eDNA) – Molekularbiologie erobert Arten-, Gewässer- und Naturschutz. Wasser Energie Luft 109. Jahrgang (2) (September 2017).

Zimmermann J. & Hürlimann J. 2017: Umwelt-DNA (eDNA) – die revolutionierte Artensuche. Fauna Focus 35 (August 2017).

Leese F.A., Bouchez A., Ekrem T., Hering D., Meissner K., Mergen P., Pawlowski J., Piggott J.J., Rimet F., Steinke D., Taberlet P., Weigand A.M., Abarenkov K., Beja P., Bervoets L., Björnsdóttir S., Boets P., Boggero A., Bones A.M., Borja Á., Bruce K., Bursić V., Carlsson J., Čiampor F., Čiamporová-Zatovičová Z., Coissac E., Costa F., Costache M., Creer S., Csabai Z., Deiner K., DelValls Á., Drakare S., Duarte S., Eleršek T., Fazi S., Fišer C., Flot J.-F., Fonseca V., Fontaneto D., Grabowski M., Graf W., Guðbrandsson J., Hellström M., Hershkovitz Y., Hollingsworth P., Japoshvili B., Jones J.I., Kahlert M., Kalamujic Stroil B., Kasapidis P., Kelly M.G., Kelly-Quinn M., Keskin E., Kõljalg U., Ljubešić Z., Maček I., Mächler E., Mahon A., Marečková M., Mejdandzic M., Mircheva G., Montagna M., Moritz C., Mulk V., Naumoski A., Navodaru I., Padisák J., Pálsson S., Panksep K., Penev L., Petrusek A., Pfannkuchen M.A., Primmer C.R., Rinkevich B., Rotter A., Schmidt-Kloiber A., Segurado P., Speksnijder A., Stoev P., Strand M., Šulčius S., Sundberg P., Traugott M., Tsigenopoulos C., Turon X., Valentini A., van der Hoorn B., Várbíró G., Vasquez Hadjilyra M.I., Viguri J., Vitonytė I., Vogler A., Vrålstad T., Wägele W, Wenne R., Winding A., Woodward G., Zegura B., Zimmermann J. (DNAqua-Net consortium) 2016: DNAqua-Net: Developing new genetic tools for bioassessment and monitoring of aquatic ecosystems in Europe. Research Ideas & Outcomes 2: e11321.

Enke N., Kunze R., Pustahija F., Glöckner G., Zimmermann J., Oberländer J., Kamari G. & Siljak-Yakovlev S. 2015: Genome Size Shifts: Karyotype Evolution in Crepis section Neglectoides (Asteraceae). Plant Biology 17 (4): 775-786.

Zimmermann J., Glöckner G., Jahn R., Enke N. & Gemeinholzer B. 2015: Metabarcoding vs. morphological identification to assess diatom diversity in environmental studies. Molecular Ecology Resources 15 (3): 526-542. https://onlinelibrary.wiley.com/doi/full/10.1111/1755-0998.12336

Zimmermann J., Abarca N., Skibbe O., Kusber W.‐H., Enke N. & Jahn R. 2014: Taxonomic Reference Libraries for Environmental Barcoding: a Best Practice Example from Diatom Research. - PLOS ONE 9(9): e108793.

Kistenich S., Dressler M., Zimmermann J., Hübener T., Bastrop R. & Jahn R. 2014: An investigation into the morphology and genetics of Cyclotella comensis and closely related taxa. - Diatom Research 29 (4): 423-440.

Abarca N., Jahn R., Zimmermann J. & Enke N. 2014: Does the Cosmopolitan Diatom Gomphonema parvulum (Kützing) Kützing have a Biogeography? - PLOS ONE 9(1): e86885. doi:10.1371/journal.pone.0086885.

Pawlowski J., Audic S., Adl S., Bass D., Belbahri L., Berney C., Bowser S., Cepicka I., Decelle J., Dunthorn M., Fiore-Donno A.M., Gile G.H., Holzmann M., Jahn R., Jirku M., Keeling P.J., Kostka M., Kudryavtsev A., Lara E., Lukeš J., Mann D.G., Mitchell E.A.D., Nitsche F., Romeralo M., Saunders G.W., Simpson A.G.B., Smirnov A.V., Spouge J.L., Stern R.F., Stoeck T., Zimmermann J., Schindel D. & de Vargas C. 2012: CBOL Protist Working Group: Barcoding Eukaryotic Richness beyond the Animal, Plant, and Fungal Kingdoms. PLoS Biol 10(11): e1001419. doi:10.1371/journal.pbio.1001419

Zimmermann J., Jahn R., Gemeinholzer B. 2011: Barcoding diatoms: evaluation of the V4 subregion on the 18S rRNA gene, including new primers and protocols. Org Divers Evol DOI 10.1007/s13127-011-0050-6.

Book chapters and monographs (published and in press)

Zimmermann J., Mora D., Tapolczai K., Proft S., Chonova T., Rimet F., Bouchez A., Fidlerová D., Makovinská J. & Weigand A. 2021: Metabarcoding of phytobenthos samples. Pp. 145-156 in: Liška I., Wagner F., Sengl M., Deutsch K., Slobodník J. & Paunović M. (eds): Joint Danube Survey 4. Scientific Report: A shared analysis of the Danube river. Vienna: ICPDR – International Commission for the Protection of the Danube River.

Leese F., Bouchez A., Abarenkov K., Altermatt F., Borja Á., Bruce K., Ekrem T., Čiampor Jr F., Čiamporová-Zaťovičová Z., Costa F.O., Duarte S., Elbrecht V., Fontaneto D., Franc A., Geiger M.F., Hering D., Kahlert M., Kalamujić Stroil B., Kelly M., Keskin E., Liska I., Mergen P., Meissner K., Pawlowski J., Penev L., Reyjol Y., Rotter A., Steinke D., van der Wal B., Vitecek S., Zimmermann J. & Weigand A.M. (2018): Why We Need Sustainable Networks Bridging Countries, Disciplines, Cultures and Generations for Aquatic Biomonitoring 2.0: A Perspective Derived From the DNAqua-Net COST Action. in: Next Generation Biomonitoring: Part 1, Volume 58, 1st Edition, ed. D. Bohan, A. Dumbrell, G. Woodward & M. Jackson.

Other publications

Tagungsbände

Mora D., Kleinteich J., Zimmermann J., Fischer H. & Krenek S. 2022: Influence of preservation methods for phytobenthos samples on the detection of microbial communities through eDNA metabarcoding – first results. - Pp. 29-36. In: Deutsche Gesellschaft für Limnologie (ed.): Ergebnisse der Jahrestagung 2021 (Leipzig). - Essen.

Zimmermann J., Abarca N., Bansemer J., Bettig J., Droege G., Kusber W.-H., Luther K., Mohamad H., Mora D., Proft S., Schimani K., Skibbe O., Van A.T. & Jahn R. 2022: German Barcode of Life 2 (GBOL2) — Kieselalgen DNA-Barcoding und eDNA Metabarcoding im Kontext von Biodiversitätsforschung, Taxonomie und EU Wasserrahmenrichtlinie (2000/60/EC). - Pp. 307-311. In: Deutsche Gesellschaft für Limnologie (ed.): Ergebnisse der Jahrestagung 2021 (Leipzig). - Essen.

Talks

Zimmermann, J., Glöckner, G., Jahn, R., Enke, N. & Gemeinholzer, B. (2014). Metabarcoding of freshwater diatoms. Berlin Center for Genomics in Biodiversity Research (BeGenDiv) – Autumn Symposium 2014, Berlin, Germany.

Abarca, N., Enke, N., Kusber, W.‐H., Zimmermann, J., Jahn, R. (2014). Reconciling morphological taxonomic concepts with molecular data ‐ a case study on several clone cultures. 23rd International Diatom Symposium, Nanjing, China.

Enke, N., Zimmermann, J., Abarca, N., Kusber, W.‐H., Skibbe, O., Acs, E., Bouchez, A., Dvorak, P., Kelly, M., Mann, D., Poulickova, A., Rimet, F., Sabbe, K., Trobajo, R., Vyverman, W., Jahn, R. (2014). Standardising Information for Environmental DNA barcoding of Diatoms in Taxonomic Reference Libraries ‐ Examples from Berlin Waters. 23rd International Diatom Symposium, Nanjing, China.

Zimmermann, J., Glöckner, G., Jahn, R., Enke, N., Gemeinholzer, B. (2014), NGS barcoding vs. morphological identification to assess diatom composition in environmental studies. 23rd International Diatom Symposium, Nanjing, China.

Jahn, R., Abarca, N., Enke, N., Kusber, W.‐H. & Zimmermann, J. (2014). DNA barcoding and reference libraries – impact on taxonomy. 8th Central European Diatom Meeting, Zagreb, Croatia.

Enke, N., Zimmermann, J., Abarca, N., Kusber, W.H., & Jahn, R. 2014. Calibration of new identification tools for diatoms: A case study from Berlin waters. 15. Wissenschaftliche Tagung der Sektion Phykologie der Deutschen Botanischen Gesellschaft, Stralsund, Germany.

Enke, N., Acs, E., Bouchez, A., Dvorak, P., Jahn, R., Kelly, M., Kusber, W. H., Mann, D., Poulickova, A., Rimet, F., Sabbe, K., Trobajo, R., Vyverman, W. & Zimmermann, J. (2013). The EU Diatom Barcoding Initiative: standardisation of sampling, taxonomic validation and data storage. 20th International Conference on Environmental Indicators, Trier, Germany.

Zimmermann, J., Glöckner, G., Jahn, R., Pawlowski, J., de Vargas, C. & Gemeinholzer, B. 2013: "Barcoding diatoms with the 18S V4 region: setting an example for protists?" BioSyst.EU 2013 Global systematics, Vienna, Austria.

Enke, N., Abarca, N., Zimmermann, J., Skibbe, O. & Jahn, R. 2013: "Gomphonema parvulum revisited: A critical assessment of the taxonomic concept". BioSyst.EU 2013 Global systematics, Vienna, Austria.

Kusber, W.-H., Abarca, N., Zimmermann, J., von Mering, S. & Jahn, R. 2013: "Open access to protist biodiversity information: from file cards to GBIF". BioSyst.EU 2013 Global systematics, Vienna, Austria.

Jahn, R., Zimmermann, J., Romero, O. R. 2012: "A molecular approach to the taxonomy of Cocconeis placentula sensu lato". 22nd International Diatom Symposium Gent, Belgium.

Jahn, R., Zimmermann, J., Abarca, N., von Mering, S., Kusber, W.-H. 2012: „Diatom research: towards cybertaxonomy.“ 26. Treffen Deutschsprachiger Diatomologen, 6th Central European Diatom Meeting, Innsbruck, Austria.

Kusber, W.-H., Abarca, N., Skibbe, O., Zimmermann, J., Jahn, R. 2012: "Reference library of DNA-barcoced diatoms - A use case for publishing data via the GBIF database AlgaTerra". 22nd International Diatom Symposium Gent, Belgium.

Romero, O., Jahn, R., Zimmermann, J. 2012: A culture based study of Cocconeis lineate Ehrenberg and Cocconeis euglypta Ehrenberg (Bacillariophyta): morphology, typification and barcoding”. 22nd International Diatom Symposium Gent, Belgium.

Zimmermann, J. 2012: “Next-Generation sequencing (NGS) methods in environmental barcoding – a progress report on biomonitoring o benthic river diatoms". Institute Ruder Boskovic, Center for Marine Research, Rovinj, Croatia.

Zimmermann, J., Glöckner, G., Jahn, R., Gemeinholzer, B. 2012: "Next-generation sequencing (NGS) methods in environmental barcoding - a progress report on biomonitoring of benthic river diatoms". 22nd International Diatom Symposium Gent, Belgium.

Zimmermann, J., Jahn, R., Gemeinholzer, B. 2012: "Diatom DNA barcoding revisited“. 14. Wissenschaftliche Tagung der Sektion Phykologie in der Deutschen Botanischen , Wissenschaftliche Tagung der Deutschen Gesellschaft für Protozoologie Wuppertal. (invited speaker)

Abarca, N. Zimmermann, J. Jahn, R. 2011: “Gomphonema parvulum Kützing: Evaluation of some morphological and molecular characters”. 5th Central European Diatom Meeting, Szczecin, Poland.

Abarca, N., Zimmermann, J. & Jahn, R. 2010: “Taxonomy of some species of the diatom genus Gomphonema using morphological and morphological data.” 21st International Diatom Symposium, St. Paul, USA.

Zimmermann, J., Gemeinholzer, B. & Jahn, R. 2010: “Barcoding diatoms: water monitoring via molecular methods. ” 21st International Diatom Symposium, St. Paul, USA.

Zimmermann, J., Gemeinholzer, B., Jahn, R. 2010: “Diatom barcoding: water monitoring using molecular tools.“ 2nd Conference of the European Consortium for the Barcode of Life, Braga, Portugal.

Pfannkuchen, M., Marić, D., Godrijan, J., Precali, R., Jahn, R., Gemeinholzer, B., Zimmermann, J. & Batel, R. 2010: “Regularly occurring domination of Skeletonema sp. in the winter phytoplankton of the northern Adriatic Sea. How to resolve the species?” 4th Central European Diatom Meeting 2010, Reichenau/Bodensee.

Zimmermann, J., Gemeinholzer, B., Kube, M. & Jahn, R. 2008: “Diatoms as bioindicators: watermonitoring via DNA barcoding.” Systematics 2008, Göttingen.

Posters

Pfannkuchen, M., Godrijan, J., Marić Pfannkuchen, D., Dröge, G., Kusber, W.-H., Zimmermann, J., Enke, N., Abarca, N. & Jahn, R. 2013: "Access to the planktonic biodiversity of the northern Adriatic".- BioSyst.EU 2013 Global systematics, Vienna, Austria.

Jahn, R., Zimmermann, J., Abarca, N., von Mering, S., Kusber, W.-H. 2012: "Diatom research: towards cybertaxonomy". 13. Jahrestagung der Gesellschaft für Biologische Systematik (GfBS),Bonn.

Zimmermann, J., Jahn, R., Glöckner, G., Gemeinholzer, B. 2012: "DNA barcoding of diatoms: establishment of routine laboratory“ 13. Jahrestagung der Gesellschaft für Biologische Systematik (GfBS), Bonn.

Zimmermann, J., Gemeinholzer, B., Kube, M., Reinhardt, R. & Jahn, R. 2009: “Watermonitoring via DNA barcoding: diatoms as bioindicators”. Systematics, Leiden, Netherlands.

Gemeinholzer, B., Zimmermann, J. & Jahn, R. 2008: “Establishing DNA-Barcoding Methods in Diatoms for Diversity Assessments.” Botany 2008, Vancouver, Canada.

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