基于完整固氮酶铁蛋白（NifD）序列对异形胞蓝细菌念珠藻属和鱼腥藻属的分子分化研究
Molecular differentiation of the heterocystous cyanobacteria, Nostoc and Anabaena, based on complete NifD sequences.
作者信息
Henson Brian J, Watson Linda E, Barnum Susan R
机构信息
Department of Botany, Miami University, Oxford, OH 45056, USA.
出版信息
Curr Microbiol. 2002 Sep;45(3):161-4. doi: 10.1007/s00284-001-0111-8.
The segregation of Nostoc and Anabaena into separate genera has been debated for some time. The nitrogen fixation gene nifD was completely sequenced from representatives of these genera and analyzed phylogenetically, by using the representatives of other genera of the heterocystous cyanobacteria as outgroups. We were clearly able to differentiate between Nostoc and Anabaena in all analyses used. Our data suggest that Nostoc and Anabaena should remain as separate genera.
将念珠藻属（Nostoc）和鱼腥藻属（Anabaena）分为不同的属已经争论了一段时间。从这些属的代表物种中对固氮基因nifD进行了全序列测定，并以其他具有异形胞的蓝细菌属的代表物种作为外类群进行了系统发育分析。在所有使用的分析中，我们都能够清楚地区分念珠藻属和鱼腥藻属。我们的数据表明，念珠藻属和鱼腥藻属应保留为不同的属。
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