1887

Abstract

Two freshwater isolates (WB4.1-19 and WB4.4-101), sharing 99.9 % 16S rRNA gene sequence similarity, were highly related to (99.7 % similarity; 6 bp differences). A phylogenetic tree derived from a multi-locus phylogenetic analysis (MLPA) of the concatenated sequences of five housekeeping genes (, , , and ; 3684 bp) revealed that both strains clustered as an independent phylogenetic line next to members of and . The DNA–DNA reassociation value between the two new isolates was 89.3 %. Strain WB4.1-19 had a DNA–DNA relatedness value of <70 % with the type strains of the other species tested. Phenotypic characterization differentiated the two novel strains from all other type strains of species of the genus . It is concluded that the two new strains represent a novel species of the genus , for which the name sp. nov. is proposed, with the type strain WB4.1-19 (=CECT 7518=DSM 22539=MDC 2511).

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2011-02-01
2020-09-23
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