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Elainella gen. nov.: a new tropical cyanobacterium characterized using a complex genomic approach

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    0488691 - ÚEB 2019 RIV GB eng J - Článek v odborném periodiku
    Jahodářová, E. - Dvořák, P. - Hašler, P. - Holušová, Kateřina - Poulíčková, A.
    Elainella gen. nov.: a new tropical cyanobacterium characterized using a complex genomic approach.
    European Journal of Phycology. Roč. 53, č. 1 (2018), s. 39-51. ISSN 0967-0262
    Grant CEP: GA MŠk(CZ) LO1204
    Institucionální podpora: RVO:61389030
    Klíčová slova: 16S rRNA * genome sequencing * new genus * phylogenomics * Pseudophormidium * tropical cyanobacteria
    Kód oboru RIV: EB - Genetika a molekulární biologie
    Obor OECD: Genetics and heredity (medical genetics to be 3)
    Impakt faktor: 2.526, rok: 2018

    Cyanobacteria represent an ancient, monophyletic lineage of bacteria with the ability to undertake oxygenic photosynthesis. Although they possess a relatively high degree of morphological variability compared with other prokaryotes and there is a wealth of molecular data, there are still significant gaps in our knowledge of cyanobacterial diversity, especially in tropical areas. Here, we present a novel, filamentous, tropical cyanobacterium, which could be classified as Pseudophormidium based on morphological criteria. A total evidence investigation employing ecological, morphological and genomic data, indicated that our strains form a new and ancient evolutionary lineage among cyanobacteria unrelated to Pseudophormidium. Based on this polyphasic assessment, our strains represent a novel, monospecific genus: Elainella. This new genus represents an example of phenotypic convergence, which seems to be a prevalent macroevolutionary pattern in cyanobacteria, a likely cause of the frequently cited polyphyly within a majority of genera.
    Trvalý link: http://hdl.handle.net/11104/0283239
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