Genomics as a means to understand bacterial phylogeny and ecological adaptation: the case of bifidobacteria

被引:72
作者
Ventura, Marco
Canchaya, Carlos
Fitzgerald, Gerald F.
Gupta, Radhey S.
van Sinderen, Douwe
机构
[1] Univ Parma, Dept Genet Anthropol & Evolut, I-43100 Parma, Italy
[2] Natl Univ Ireland Univ Coll Cork, Alimentary Pharmabiot Ctr, Cork, Ireland
[3] Natl Univ Ireland Univ Coll Cork, Dept Microbiol, Biosci Inst, Cork, Ireland
[4] McMaster Univ, Dept Biochem & Biomed Sci, Hamilton, ON, Canada
来源
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY | 2007年 / 91卷 / 04期
关键词
genomics; bifidobacteria; prebiotic properties; bifidobacterial taxonomy;
D O I
10.1007/s10482-006-9122-6
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The field of microbiology has in recent years been transformed by the ever increasing number of publicly available whole-genome sequences. This sequence information has significantly enhanced our understanding of the physiology, genetics and evolutionary development of bacteria. Among the latter group of microorganisms, bifidobacteria represent important human commensals because of their perceived contribution to maintaining a balanced gastrointestinal tract microbiota. In recent years bifidobacteria have drawn much scientific attention because of their use as live bacteria in numerous food preparations with various health-related claims. For this reason, these bacteria constitute a growing area of interest with respect to genomics, molecular biology and genetics. Recent genome sequencing of a number of bifidobacterial species has allowed access to the complete genetic make-up of these bacteria. In this review we will discuss how genomic data has allowed us to understand bifidobacterial evolution, while also revealing genetic functions that explains their presence in the particular ecological environment of the gastrointestinal tract.
引用
收藏
页码:351 / 372
页数:22
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