The order Kiloniellales

Imhoff, Johannes F. and Wiese, Jutta (2014) The order Kiloniellales The Prokaryotes: Alphaproteobacteria and Betaproteobacteria. Springer, Berlin, Germany, pp. 301-306. ISBN 978-3-642-30196-4 DOI 10.1007/978-3-642-30197-1_301.

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The Kiloniellaceae family is represented currently by a single genus Kiloniella with the species Kiloniella laminariae as type species. Kiloniella laminariae was isolated from the marine macroalga Saccharina latissima (former Laminaria saccharina) obtained from the Baltic Sea. The bacterium is a mesophilic, typical marine bacterium. It is a chemoheterotrophic aerobic bacterium with the potential of denitrification. Growth optima are at 25 °C, pH 5.5, and 3 % NaCl. The distinguished phylogenetic position separates Kiloniella from other alphaproteobacterial orders. The 16S rRNA gene sequence revealed a distant relationship to species of several orders of the Alphaproteobacteria with less than 91 % sequence similarity. This gives rise to the recognition of Kiloniella as a representative of a new order of the Alphaproteobacteria, the Kiloniellales. Phylogenetic analyses revealed a distinct cluster of Kiloniella with an uncharacterized bacterium (isolate KOPRI 13522) from hydrothermal plumes. This cluster forms a larger group together with the distantly related Terasakiella pusilla (88.4 % sequence similarity of the 16S rRNA gene) and the Thalassospira species (88.9–90.2 % sequence similarity). These genera are supposed to form separate families within the Kiloniellales.

Document Type: Book chapter
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-MI Marine Microbiology
DOI etc.: 10.1007/978-3-642-30197-1_301
Date Deposited: 04 Dec 2014 08:54
Last Modified: 04 Dec 2014 08:55

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