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Complete genome sequence and cell structure of Limnochorda pilosa, a Gram-negative spore-former within the phylum Firmicutes

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Title: Complete genome sequence and cell structure of Limnochorda pilosa, a Gram-negative spore-former within the phylum Firmicutes
Authors: Watanabe, Miho Browse this author
Kojima, Hisaya Browse this author
Fukui, Manabu Browse this author
Issue Date: 1-Mar-2016
Publisher: Society for General Microbiology
Journal Title: International journal of systematic and evolutionary microbiology
Volume: 66
Start Page: 1330
End Page: 1339
Publisher DOI: 10.1099/ijsem.0.000881
PMID: 26743010
Abstract: Limnochorda pilosa is a pleomorphic facultative anaerobe and the sole species in the class Limnochordia, which has tentatively been placed in the phylum Firmicutes. In the present study, the complete genome sequence of L. pilosa HC45(T) was obtained and analysed. The genome size was 3.82 Mbp and the DNA G + C content was 69.73 %. Phylogenetic analyses based on the 30S-50S ribosomal proteins and 23S rRNA gene consistently indicated that L. pilosa is phylogenetically isolated from the other members of the phylum Firmicutes. Ultrastructural observation revealed that L. pilosa possesses a Gram-negative-type cell wall and the capacity to form endospores. Accordingly, the L. pilosa genome has characteristics that are specific to Gram-negative bacteria and contains many genes that are involved in sporulation. On the other hand, several sporulation genes were absent from the L. pilosa genome although they have been regarded as essential for the endospore-forming system of members of the phylum Firmicutes. The gyrB gene of L. pilosa possesses an intein sequence. The genome has a high percentage of GTG start codons and lacks several conserved genes related to cell division.
Rights: doi: 10.1099/ijsem.0.000881
Type: article (author version)
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 渡邊 美穂

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