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Bacteriocins of ruminal bacteria.
M Morovský1, P Pristas, P Javorský
1Department of Biochemistry, Faculty of Sciences, Safárik University, Kosice, Slovakia.
Folia Microbiologica
|August 15, 2001
Summary
PCR analysis revealed similar distribution patterns for enterocin A and enterolysin A genes in ruminal bacteria. These bacteriocin genes showed variable presence among Gram-positive ruminal cocci populations.
Area of Science:
- Microbiology
- Molecular Biology
- Ruminant Nutrition
Background:
- Enterocin A and enterolysin A are bacteriocins produced by ruminal bacteria.
- Bacteriocins play a role in the microbial ecology of the rumen.
- Understanding the distribution of bacteriocin genes is crucial for assessing their impact.
Purpose of the Study:
- To investigate the distribution of structural genes for enterocin A and enterolysin A in ruminal bacterial strains.
- To compare the occurrence of these bacteriocin genes within ruminal enterococcal and streptococcal populations.
Main Methods:
- Polymerase Chain Reaction (PCR) was employed.
- Oligonucleotide primers specific for enterocin A and enterolysin A genes were synthesized.
- The study analyzed ruminal enterococcal and streptococcal strains.
Main Results:
- Similar distribution patterns of the structural genes for enterocin A and enterolysin A were observed.
- The presence of these bacteriocin genes varied significantly among the analyzed Gram-positive ruminal cocci.
Conclusions:
- The genetic basis for enterocin A and enterolysin A production is similarly distributed in the rumen.
- Bacteriocin gene prevalence is heterogeneous within ruminal Gram-positive cocci populations.
- Further research is needed to understand the ecological implications of this distribution.