Abstract
Bacteroides barnesiae Lan et al. 2006 is a species of the genus Bacteroides, which belongs to the family Bacteroidaceae. Strain BL2T is of interest because it was isolated from the gut of a chicken and the growing awareness that the anaerobic microbiota of the caecum is of benefit for the host and may impact poultry farming. The 3,621,509 bp long genome with its 3,059 protein-coding and 97 RNA genes is a part of the Genomic Encyclopedia of Type Strains, Phase I: the one thousand microbial genomes (KMG) project.
Highlights
Strain BL2T (= DSM 18169 = CCUG 54636 = JCM 13652) is the type strain of Bacteroides barnesiae which belongs to the genus Bacteroides [1]
Bacteroides species are thought to play a fundamental role in the breakdown of complex molecules into simpler compounds that are used by the animal host as well as the microorganisms themselves [5, 6], in the utilization of nitrogenous substances and in the biotransformation of bile acids and other steroids [7]
Classification and features A 1301 bp long contig contained the most complete 16S rRNA gene copy in the draft genome. This partial gene differed by 7 nucleotides (0.5 %) from the 16S rRNA reference sequence (AB253726) generated for the original description of B. barnesiae [1]. Such a difference is not unusual when comparing original sequences from the time organisms were initially described with sequences of type strain genomes sequenced in the One thousand microbial genomes (KMG) project [9], a problem that was only partially resolved in the sequencing orphan species initiative (SOS) [10]
Summary
Classification and features A 1301 bp long contig contained the most complete 16S rRNA gene copy in the draft genome This partial gene differed by 7 nucleotides (0.5 %) from the 16S rRNA reference sequence (AB253726) generated for the original description of B. barnesiae [1]. Such a difference is not unusual when comparing original sequences from the time organisms were initially described with sequences of type strain genomes sequenced in the KMG project [9], a problem that was only partially resolved in the sequencing orphan species initiative (SOS) [10]. Genome sequencing and assembly The permanent draft genome of B. barnesiae strain BL2T was generated using Illumina technology [18, 21]. The genome size of B. barnesiae (3.6 Mb) is significantly smaller than those of B. salanitronis (4.3 Mb) and B. gallinarum (4.9 Mb)
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