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Molecular Microbiologist / Bacterial Geneticist #Secretion | #T3SS #T4SS #T6SS | #Bacteriophage #Biocontrol | #Xanthomonas https://www.researchgate.net/profile/Ralf-Koebnik https://orcid.org/0000-0002-4419-0542 https://micropbiomes.eu https://euroxanth.eu
Ralf Koebnik









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The Leibniz University Hannover/Germany is advertising a Professorship for Molecular Phytopathology (W2 with tenure to W3): www.uni-hannover.de/en/jobs/8410/ The application is open until April 27th, 2026. For more information, please contact Prof. Jens Boch (www.genetik.uni-hannover.de/boch)
Stand up for your rights - fights the rights! youtu.be/wWKSoxG1K7w?...
2mo
Highly recommended “Secretion Days”, to be held in Marseille, France, on October 8 and 9, 2026. This year's keynote speaker is Wilbert Bitter: orcid.org/0000-0001-83...
4mo
We are editing a Special Issue on "Genomic Perspectives on the #Ecology and #Evolution of Bacterial #Plant #Pathogens and #Symbionts". #Genomics #Pathogenicity #Virulence #Acidovorax #Clavibacter #Curtobacterium #Erwinia #Pantoea #Pseudomonas #Ralstonia #Xanthomonas www.mdpi.com/journal/micr...
3rd Training School of the MiCropBiomes #COST Action on “Metabarcoding of Plant #Microbiomes II: #Rhizosphere Analysis: #Metabarcoding with ONT and Culturomics” in Nitra, Slovakia, from July 14 to 18, 2025. More information can be found at micropbiomes.eu/events/train.... @costprogramme.bsky.social
Want to know more about the bacterial leaf streak pathogen #Xanthomonas oryzae pv. oryzicola and the role of rice seed trade in the pathogen's spread in West Africa? Using genome sequencing and satellite markers, we describe its population structure and molecular epidemiology doi.org/10.1128/aem....
Happy to announce #Effectidor II, which uses #machine_learning to predict #T3SS #effectors in #pan_genomes. Thanks a lot to Naama Wagner, Tal Pupko & all the other collaborators! We hope you will find it useful for your research. Web server: effectidor.tau.ac.il Publication: doi.org/10.1093/bioi...
Very happy to announce our paper @natecoevo.nature.com on the functional replacement of ancestral antibacterial secretion system ( #T4SS #T6SS ) in a bacterial plant pathogen ( #Xanthomonas ). Enjoy reading! rdcu.be/euNrM Special thanks to @costprogramme.bsky.social !
Multilocus variable number tandem repeat analysis (MLVA) of the #citrus canker pathogen, #Xanthomonas citri, suggests a shift in population structure of the pathogen over the past two decades in #Iran. apsjournals.apsnet.org/doi/10.1094/...
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Amazing science at the 2nd edition of the Secretion Days in Marseille 🌞 ! Huge thanks to all participants and to @archaellum.bsky.social for an outstanding opening talk. Looking forward to the next edition!
Ralf Koebnik
Ralf Koebnik
8mo
Ralf Koebnik
Ralf Koebnik
Ralf Koebnik
Ralf Koebnik
Ralf Koebnik
Ralf Koebnik
Ralf Koebnik
Julien GIRAUD
www.uni-hannover.de
University Professorship in Molecular Phytopathology – Leibniz University Hannover
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West Africa has faced a rapid expansion of rice cultivation with importation of rice varieties mostly from Asia, and rice now constitutes 37% of the cereal consumed in the region. The bacterial pathog...
doi.org
Large- and small-scale population structure of Xanthomonas oryzae pv. oryzicola, a bacterial pathogen of rice | Applied and Environmental Microbiology
Nature Ecology & Evolution - The bacterial plant pathogen genus Xanthomonas uses two distinct secretion systems for antibacterial competition. Here the authors show that some Xanthomonas...
rdcu.be
Functional replacement of ancestral antibacterial secretion system in a bacterial plant pathogen
Citrus canker, caused by Xanthomonas citri pv. citri, is one of the most devastating bacterial diseases of citrus species. The global population of Xanthomonas citri pv. citri includes three lineages ...
apsjournals.apsnet.org
Population Structure of Xanthomonas citri pv. citri in Iran: 1991 - 2022 | Phytopathology®