RT Journal Article
T1 The first complete genomic structure of Butyrivibrio fibrisolvens and its chromid.
A1 Rodríguez Hernáez, Javier
A1 Cerón Cucchi, Maria Esperanza
A1 Cravero, Silvio
A1 Martinez, Maria Carolina
A1 Gonzalez, Sergio
A1 Puebla, Andrea
A1 Dopazo, Joaquin
A1 Farber, Marisa
A1 Paniego, Norma
A1 Rivarola, Máximo
K1 Butyrivibrio fibrisolvens
K1 INBov1
K1 cow rumen
K1 genome sequencing
AB Butyrivibrio fibrisolvens forms part of the gastrointestinal microbiome of ruminants and other mammals, including humans. Indeed, it is one of the most common bacteria found in the rumen and plays an important role in ruminal fermentation of polysaccharides, yet, to date, there is no closed reference genome published for this species in any ruminant animal. We successfully assembled the nearly complete genome sequence of B. fibrisolvens strain INBov1 isolated from cow rumen using Illumina paired-end reads, 454 Roche single-end and mate pair sequencing technology. Additionally, we constructed an optical restriction map of this strain to aid in scaffold ordering and positioning, and completed the first genomic structure of this species. Moreover, we identified and assembled the first chromid of this species (pINBov266). The INBov1 genome encodes a large set of genes involved in the cellulolytic process but lacks key genes. This seems to indicate that B. fibrisolvens plays an important role in ruminal cellulolytic processes, but does not have autonomous cellulolytic capacity. When searching for genes involved in the biohydrogenation of unsaturated fatty acids, no linoleate isomerase gene was found in this strain. INBov1 does encode oleate hydratase genes known to participate in the hydrogenation of oleic acids. Furthermore, INBov1 contains an enolase gene, which has been recently determined to participate in the synthesis of conjugated linoleic acids. This work confirms the presence of a novel chromid in B. fibrisolvens and provides a new potential reference genome sequence for this species, providing new insight into its role in biohydrogenation and carbohydrate degradation.
YR 2018
FD 2018-09-14
LK http://hdl.handle.net/10668/12944
UL http://hdl.handle.net/10668/12944
LA en
DS RISalud
RD Apr 7, 2025