Albusin B, a bacteriocin from the ruminal bacterium Ruminococcus albus 7 that inhibits growth of Ruminococcus flavefaciens

Appl Environ Microbiol. 2004 May;70(5):3167-70. doi: 10.1128/AEM.70.5.3167-3170.2004.

Abstract

An approximately 32-kDa protein (albusin B) that inhibited growth of Ruminococcus flavefaciens FD-1 was isolated from culture supernatants of Ruminococcus albus 7. Traditional cloning and gene-walking PCR techniques revealed an open reading frame (albB) encoding a protein with a predicted molecular mass of 32,168 Da. A BLAST search revealed two homologs of AlbB from the unfinished genome of R. albus 8 and moderate similarity to LlpA, a recently described 30-kDa bacteriocin from Pseudomonas sp. strain BW11M1.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Amino Acid Sequence
  • Animals
  • Bacteriocins / chemistry
  • Bacteriocins / genetics
  • Bacteriocins / metabolism*
  • Bacteriocins / pharmacology*
  • Culture Media, Conditioned
  • Molecular Sequence Data
  • Rumen / microbiology*
  • Ruminococcus / drug effects*
  • Ruminococcus / genetics
  • Ruminococcus / growth & development
  • Ruminococcus / metabolism
  • Sequence Alignment
  • Sequence Analysis, DNA

Substances

  • Bacteriocins
  • Culture Media, Conditioned

Associated data

  • GENBANK/AF469209