Bifidobacterium asteroides PRL2011 genome analysis reveals clues for colonization of the insect gut.

Bifidobacterium asteroides PRL2011 genome analysis reveals clues for colonization of the insect gut.
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DOI:
10.1371/journal.pone.0044229
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Ventura M
Ventura M
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Bottacini F;Milani C;Turroni F;Sánchez B;Foroni E;Duranti S;Serafini F;Viappiani A;Strati F;Ferrarini A;Delledonne M;Henrissat B;Coutinho P;Fitzgerald GF;Margolles A;van Sinderen D;Ventura M

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Bifidobacteria are known as anaerobic/microaerophilic and fermentative microorganisms, which commonly inhabit the gastrointestinal tract of various animals and insects. Analysis of the 2,167,301 bp genome of Bifidobacterium asteroides PRL2011, a strain isolated from the hindgut of Apis mellifera var. ligustica, commonly known as the honey bee, revealed its predicted capability for respiratory metabolism. Conservation of the latter gene clusters in various B. asteroides strains enforces the notion that respiration is a common metabolic feature of this ancient bifidobacterial species, which has been lost in currently known mammal-derived Bifidobacterium species. In fact, phylogenomic based analyses suggested an ancient origin of B. asteroides and indicates it as an ancestor of the genus Bifidobacterium. Furthermore, the B. asteroides PRL2011 genome encodes various enzymes for coping with toxic products that arise as a result of oxygen-mediated respiration.
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