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dc.contributorChang, Peteren_US
dc.contributorMohammed Damtew, Zeharaen_US
dc.contributorMuleta, Atsedeen_US
dc.contributorCarrasquilla-Garcia, Noeliaen_US
dc.contributorKim, Donghyunen_US
dc.contributorP. Nguyen, Hienen_US
dc.contributorSuryawanshi, Vasantikaen_US
dc.contributorP. Krieg, Christopheren_US
dc.contributorYadav, Sudheer Kumaren_US
dc.contributorSingh Patel, Jaien_US
dc.contributorMukherjee, Arpanen_US
dc.contributorUdupa, Sripada M.en_US
dc.contributorBenjelloun, Imaneen_US
dc.contributorThami Alami, Imaneen_US
dc.contributorMohammad, Yasinen_US
dc.contributorPatil, Bhuvaneshwaraen_US
dc.contributorSingh, Sarvjeeten_US
dc.contributorKumar Sarma, Birinchien_US
dc.contributorvon Wettberg, Eric J. B.en_US
dc.contributorKahraman, Abdullahen_US
dc.contributorBukun, Bekiren_US
dc.contributorAssefa, Fassilen_US
dc.contributorTesfaye, Kassahunen_US
dc.contributorFikre, Asnakeen_US
dc.contributorCook, Douglasen_US
dc.creatorGreenlon, Alexen_US
dc.identifier.citationAlex Greenlon, Peter Chang, Zehara Mohammed Damtew, Atsede Muleta, Noelia Carrasquilla-Garcia, Donghyun Kim, Hien P. Nguyen, Vasantika Suryawanshi, Christopher P. Krieg, Sudheer Kumar Yadav, Jai Singh Patel, Arpan Mukherjee, Sripada M. Udupa, Imane Benjelloun, Imane Thami Alami, Yasin Mohammad, Bhuvaneshwara Patil, Sarvjeet Singh, Birinchi Kumar Sarma, Eric J. B. von Wettberg, Abdullah Kahraman, Bekir Bukun, Fassil Assefa, Kassahun Tesfaye, Asnake Fikre, Douglas Cook. (23/7/2019). Global-level population genomics reveals differential effects of geography and phylogeny on horizontal gene transfer in soil bacteria. Proceedings of the National Academy of Sciences, 116 (30), pp. 15200-15209.en_US
dc.description.abstractAlthough microorganisms are known to dominate Earth’s biospheres and drive biogeochemical cycling, little is known about the geographic distributions of microbial populations or the environmental factors that pattern those distributions. We used a global-level hierarchical sampling scheme to comprehensively characterize the evolutionary relationships and distributional limitations of the nitrogen-fixing bacterial symbionts of the crop chickpea, generating 1,027 draft whole-genome sequences at the level of bacterial populations, including 14 high-quality PacBio genomes from a phylogenetically representative subset. We find that diverse Mesorhizobium taxa perform symbiosis with chickpea and have largely overlapping global distributions. However, sampled locations cluster based on the phylogenetic diversity of Mesorhizobium populations, and diversity clusters correspond to edaphic and environmental factors, primarily soil type and latitude. Despite long-standing evolutionary divergence and geographic isolation, the diverse taxa observed to nodulate chickpea share a set of integrative conjugative elements (ICEs) that encode the major functions of the symbiosis. This symbiosis ICE takes 2 forms in the bacterial chromosome—tripartite and monopartite—with tripartite ICEs confined to a broadly distributed superspecies clade. The pairwise evolutionary relatedness of these elements is controlled as much by geographic distance as by the evolutionary relatedness of the background genome. In contrast, diversity in the broader gene content of Mesorhizobium genomes follows a tight linear relationship with core genome phylogenetic distance, with little detectable effect of geography. These results illustrate how geography and demography can operate differentially on the evolution of bacterial genomes and offer useful insights for the development of improved technologies for sustainable agriculture.en_US
dc.publisherNational Academy of Sciencesen_US
dc.sourceProceedings of the National Academy of Sciences;116,(2019) Pagination 15200-15209en_US
dc.subjectpopulation genomicsen_US
dc.subjectintegrative conjugative elementen_US
dc.titleGlobal-level population genomics reveals differential effects of geography and phylogeny on horizontal gene transfer in soil bacteriaen_US
dc.typeJournal Articleen_US
cg.creator.idUdupa, Sripada M.: 0000-0003-4225-7843en_US
cg.subject.agrovocnitrogen fixationen_US
cg.subject.agrovocmicrobial ecologyen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.centerUniversity of California-Davis - UC Davisen_US
cg.contributor.centerRajmata Vijayaraje Scindia Krishi Vishwavidyalaya University, Rafi Ahmad Kidwai College of Agriculture - RVSKVV-RAKen_US
cg.contributor.centerThe University of Vermont - UVMen_US
cg.contributor.centerNational Institute of Agronomic Research Morocco - INRA Moroccoen_US
cg.contributor.centerPunjab Agricultural University - PAUen_US
cg.contributor.centerTokyo University of Agriculture and Technology - TUATen_US
cg.contributor.centerDicle University - Dicle Universityen_US
cg.contributor.centerUniversity of Agricultural Sciences Dharwad - UASD Dharwaden_US
cg.contributor.centerEthiopian Institute of Agricultural Research, Debere Zeit Agricultural Research Center - EIAR - DZARCen_US
cg.contributor.centerBanaras Hindu Universityen_US
cg.contributor.centerFlorida International University - FIUen_US
cg.contributor.centerUniversity of Southern California - USC USAen_US
cg.contributor.centerHarran University - HARRANen_US
cg.contributor.centerAddis Ababa University, College of Natural Sciences - AAU - CNSen_US
cg.contributor.crpCGIAR Research Program on Dryland Systems - DSen_US
cg.contributor.funderGovernment of Morocco - Moroccoen_US
cg.contributor.projectMoroccan Collaborative Grants Program (MCGP)en_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.isijournalISI Journalen_US
dc.identifier.statusTimeless limited accessen_US
cg.journalProceedings of the National Academy of Sciencesen_US

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