Burggraf S, Olsen G J, Stetter K O, Woese C R
Institut für Biochemie, Genetik und Mikrobiologie, Universität Regensburg, Germany.
Syst Appl Microbiol. 1992 Aug;15(3):352-6. doi: 10.1016/S0723-2020(11)80207-9.
The 16S rRNA of the bacterion Aquifex pyrophilus, a microaerophilic, oxygen-reducing hyperthermophile, has been sequenced directly from the the PCR amplified gene. Phylogenetic analyses show the Aq. pyrophilus lineage to be probably the deepest (earliest) in the (eu)bacterial tree. The addition of this deep branching to the bacterial tree further supports the argument that the Bacteria are of thermophilic ancestry.
嗜热栖热菌是一种微需氧、能进行氧还原的嗜热菌,其16S rRNA已直接从PCR扩增基因中测序得到。系统发育分析表明,嗜热栖热菌谱系可能是(真)细菌树中最深(最早)的分支。在细菌树中增加这一深度分支进一步支持了细菌起源于嗜热菌的观点。
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