منابع مشابه
Identification of lactobacilli and bifidobacteria.
Selective culture media and phenotypic tests enable lactobacilli to be differentiated from morphologically similar bacteria. The accurate identification of Lactobacillus species can be accomplished by reference to 16S rRNA gene sequences. Species-specific, PCR primers that target the 16S-23S rRNA spacer region are available for a limited number of Lactobacillus species. Molecular methods for th...
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This study was carried out to compare the efficacy and selectivity of TOS and BS media for enumeration of bifidobacteria in commercial fermented milk products. First, bifidobacteria was isolated from 20 fermented milk products, and all isolated bifidobacteria were identified by genomic technology as Bifidobacterium lactis. The two media significantly differed from each other with regard to the ...
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Intestinal microbiota plays an important role in human health by influencing metabolic activities that result in the creation of energy and absorbable nutrients, a barrier to the colonization of pathogens, and stimulation of the immune system. The development of fecal microbiota in neonates is crucial because those bacteria are the first to colonize the sterile intestine of the neonates and, th...
متن کاملBifidobacteria: from ecology to genomics.
Bifidobacteria are high G+C Gram positive bacteria belonging to the phylum Actinobacteria. In recent years bifidobacteria have attracted a lot of attention because of their perceived positive contribution to the functionality of the human gastro intestinal tract. For this reason, scientific research on these bacteria has been rapidly expanding, in particular in areas such as genomics, molecular...
متن کاملGenome of Bifidobacteria and Carbohydrate Metabolism.
In recent years, the knowledge about bifidobacteria has considerably evolved thanks to recent progress in molecular biology. The analysis of the whole genome sequences of 48 taxa of bifidobacteria offers new perspectives for their classification, especially to set up limit between two species. Indeed, several species are presenting a high homology and should be reclassified. On the other hand, ...
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ژورنال
عنوان ژورنال: Bifidobacteria and Microflora
سال: 1983
ISSN: 0286-9306,1884-5126
DOI: 10.12938/bifidus1982.2.1_3