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Abstract

Two isolates of Gram-reaction-negative, motile, violet-pigmented bacteria were isolated from a small pool in marshland near the mouth of the Nanticoke River in Maryland, USA. The isolates IIBBL 257-1 and IIBBL 257-2 had identical 16S rRNA gene sequences as determined by PCR, and highly similar fatty acid and biochemical profiles. The 16S rRNA gene sequences indicated the isolates belonged to the genus . Genomic sequencing of IIBBL 257-1 revealed a genome of 4.27 Mb, with a G+C content of 63.6 %. Whole genome comparisons with other members of the using JSpecies and the genome distance phylogeny approach indicated that among described species, IIBBL 257-1 was most closely related to and . Comparison of the IIBBL 257-1 genome with those of type strains of these species resulted in ANIb and dDDH values of ca. 85 and 30 %, respectively, for both. These results demonstrate that IIBBL 257-1 and IIBBL 257–2 represent a new taxon within the genus . We propose the name sp. nov. for this taxon; the type strain is IIBBL 257-1 (=NRRL B-65555=JCM 33770).

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2020-10-15
2021-10-24
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