Bleumink-Pluym N M, van Dijk L, van Vliet A H, van der Giessen J W, van der Zeijst B A
Department of Bacteriology, School of Veterinary Medicine, Universiteit Utrecht, The Netherlands.
Int J Syst Bacteriol. 1993 Jul;43(3):618-21. doi: 10.1099/00207713-43-3-618.
The 16S ribosomal DNA sequence of Taylorella equigenitalis (formerly Haemophilus equigenitalis), the causative organism of contagious equine metritis, was determined. A phylogenetic analysis of this sequence revealed a phylogenetic position of T. equigenitalis in the beta subclass of the class Proteobacteria apart from the position of Haemophilus influenzae, which belongs to the gamma subclass of Proteobacteria. A close phylogenetic relationship among T. equigenitalis, Alcaligenes xylosoxidans, and Bordetella bronchiseptica was detected; Spirillum volutans and Chromobacterium fluviatile (Iodobacter fluviatile) were in the same group but slightly removed. This relationship is surprising in view of the considerable differences in the G + C contents of the genomes of these bacteria.
测定了马生殖道泰勒菌（以前称为马生殖道嗜血杆菌）的16S核糖体DNA序列，该菌是马传染性子宫炎的病原体。对该序列进行的系统发育分析表明，马生殖道泰勒菌在变形菌门β亚类中的系统发育位置与属于变形菌门γ亚类的流感嗜血杆菌的位置不同。检测到马生殖道泰勒菌、木糖氧化产碱菌和支气管败血波氏杆菌之间存在密切的系统发育关系；大螺菌和河流色杆菌（河流碘杆菌）在同一组，但距离稍远。鉴于这些细菌基因组的G + C含量存在显著差异，这种关系令人惊讶。
