PMID- 18165875 OWN - NLM STAT- MEDLINE DCOM- 20080909 LR - 20181113 IS - 0095-3628 (Print) IS - 0095-3628 (Linking) VI - 56 IP - 2 DP - 2008 Aug TI - Methanobrevibacter phylotypes are the dominant methanogens in sheep from Venezuela. PG - 390-4 LID - 10.1007/s00248-007-9351-x [doi] AB - Rumen methanogens in sheep from Venezuela were examined using 16S rRNA gene libraries and denaturing gradient gel electrophoresis (DGGE) profiles prepared from pooled and individual PCR products from the rumen contents from 10 animals. A total of 104 clones were examined, revealing 14 different 16S rRNA gene sequences or phylotypes. Of the 14 phylotypes, 13 (99 of 104 clones) belonged to the genus Methanobrevibacter, indicating that the genus Methanobrevibacter is the most dominant component of methanogen populations in sheep in Venezuela. The largest group of clones (41 clones) was 97.9-98.5% similar to Methanobrevibacter gottschalkii. Two sequences were identified as possible new species, one belonging to the genus Methanobrevibacter and the other belonging to the genus Methanobacterium. DGGE analysis of the rumen contents from individual animals also revealed 14 different bands with a range of 4-9 bands per animal. FAU - Wright, Andre-Denis G AU - Wright AD AD - CSIRO Livestock Industries, Centre for Environment and Life Sciences, WA 6913, Australia. andre-denis.wright@csiro.au FAU - Ma, Xuanli AU - Ma X FAU - Obispo, Nestor E AU - Obispo NE LA - eng SI - GENBANK/DQ519576 SI - GENBANK/DQ519577 SI - GENBANK/DQ519578 SI - GENBANK/DQ519579 SI - GENBANK/DQ519580 SI - GENBANK/DQ519581 SI - GENBANK/DQ519582 SI - GENBANK/DQ519583 SI - GENBANK/DQ519584 SI - GENBANK/DQ519585 SI - GENBANK/DQ519586 SI - GENBANK/DQ519587 SI - GENBANK/DQ519588 SI - GENBANK/DQ519589 SI - GENBANK/DQ519590 PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20071229 PL - United States TA - Microb Ecol JT - Microbial ecology JID - 7500663 RN - 0 (DNA, Archaeal) RN - 0 (DNA, Ribosomal) RN - 0 (RNA, Ribosomal, 16S) SB - IM MH - Animals MH - DNA, Archaeal/analysis MH - DNA, Ribosomal/analysis MH - Electrophoresis, Polyacrylamide Gel MH - Female MH - Genes, rRNA MH - Male MH - Methanobacterium/classification/genetics/isolation & purification MH - Methanobrevibacter/*classification/genetics/*isolation & purification MH - Molecular Sequence Data MH - *Phylogeny MH - RNA, Ribosomal, 16S/genetics MH - Rumen/*microbiology MH - Sequence Analysis, DNA MH - Sheep/*microbiology MH - Venezuela EDAT- 2008/01/01 09:00 MHDA- 2008/09/10 09:00 CRDT- 2008/01/01 09:00 PHST- 2007/07/31 00:00 [received] PHST- 2007/11/22 00:00 [accepted] PHST- 2007/11/14 00:00 [revised] PHST- 2008/01/01 09:00 [pubmed] PHST- 2008/09/10 09:00 [medline] PHST- 2008/01/01 09:00 [entrez] AID - 10.1007/s00248-007-9351-x [doi] PST - ppublish SO - Microb Ecol. 2008 Aug;56(2):390-4. doi: 10.1007/s00248-007-9351-x. Epub 2007 Dec 29.