Dataset Information

Draft Genome Sequence of Megasphaera sp. Strain DJF_B143, an Isolate from Pig Hindgut Unable to Produce Skatole.

ABSTRACT: The butyrate-producing Megasphaera spp. predominate in the pig hindgut and may play important roles in gut health. Moreover, one Megasphaera isolate has been reported to produce the boar taint compound, skatole. Here, we provide a 2.58-Mbp draft genome of a pig hindgut isolate, Megasphaera sp. DJF_B143, unable to produce skatole.

SUBMITTER: Li X

PROVIDER: S-EPMC4767908 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Publications

Draft Genome Sequence of Megasphaera sp. Strain DJF_B143, an Isolate from Pig Hindgut Unable to Produce Skatole.

Li Xiaoqiong X Marshall Ian P G IP Schreiber Lars L Højberg Ole O Canibe Nuria N Jensen Bent Borg BB

Genome announcements 20160225 1

The butyrate-producing Megasphaera spp. predominate in the pig hindgut and may play important roles in gut health. Moreover, one Megasphaera isolate has been reported to produce the boar taint compound, skatole. Here, we provide a 2.58-Mbp draft genome of a pig hindgut isolate, Megasphaera sp. DJF_B143, unable to produce skatole. ...[more]

PMID: 26950318

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Project description:Six strictly anaerobic Gram-negative bacteria representing three novel species were isolated from the female reproductive tract. The proposed type strains for each species were designated UPII 199-6T, KA00182T and BV3C16-1T. Phylogenetic analyses based on 16S rRNA gene sequencing indicated that the bacterial isolates were members of the genus Megasphaera. UPII 199-6T and KA00182T had 16S rRNA gene sequence identities of 99.9 % with 16S rRNA clone sequences previously amplified from the human vagina designated as Megasphaera type 1 and Megasphaera type 2, members of the human vaginal microbiota associated with bacterial vaginosis, preterm birth and HIV acquisition. UPII 199-6T exhibited sequence identities ranging from 92.9 to 93.6 % with validly named Megasphaera isolates and KA00182T had 16S rRNA gene sequence identities ranging from 92.6-94.2 %. BV3C16-1T was most closely related to Megasphaera cerevisiae with a 16S rRNA gene sequence identity of 95.4 %. Cells were coccoid or diplococcoid, non-motile and did not form spores. Genital tract isolates metabolized organic acids but were asaccharolytic. The isolates also metabolized amino acids. The DNA G+C content for the genome sequences of UPII 199-6T, KA00182T and BV3C16-1T were 46.4, 38.9 and 49.8 mol%, respectively. Digital DNA-DNA hybridization and average nucleotide identity between the genital tract isolates and other validly named Megasphaera species suggest that each isolate type represents a new species. The major fatty acid methyl esters include the following: C12 : 0, C16 : 0, C16 : 0 dimethyl acetal (DMA) and summed feature 5 (C15 : 0 DMA and/or C14 : 0 3-OH) in UPII 199-6T; C16 : 0 and C16 : 1cis 9 in KA00182T; C12 : 0; C14 : 0 3-OH; and summed feature 5 in BV3C16-1T. The isolates produced butyrate, isobutyrate, and isovalerate but there were specific differences including production of formate and propionate. Together, these data indicate that UPII 199-6T, KA00182T and BV3C16-1T represent novel species within the genus Megasphaera. We propose the following names: Megasphaera lornae sp. nov. for UPII 199-6T representing the type strain of this species (=DSM 111201T=ATCC TSD-205T), Megasphaera hutchinsoni sp. nov. for KA00182T representing the type strain of this species (=DSM 111202T=ATCC TSD-206T) and Megasphaera vaginalis sp. nov. for BV3C16-1T representing the type strain of this species (=DSM 111203T=ATCC TSD-207T).

Dataset Information

Draft Genome Sequence of Megasphaera sp. Strain DJF_B143, an Isolate from Pig Hindgut Unable to Produce Skatole.

Publications

Draft Genome Sequence of Megasphaera sp. Strain DJF_B143, an Isolate from Pig Hindgut Unable to Produce Skatole.

Similar Datasets

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