Billings A N, Teltow G J, Weaver S C, Walker D H
University of Texas Medical Branch, Galveston 77555-0609, USA.
Emerg Infect Dis. 1998 Apr-Jun;4(2):305-9. doi: 10.3201/eid0402.980221.
A novel Rickettsia species of undetermined pathogenicity was detected in Ixodes scapularis. DNA sequencing showed the highest nucleotide sequence similarities with R. australis for the 17 kDa gene, R. helvetica for gltA, and R. montana for rompA. The new organism, provisionally designated as genotype Cooleyi, is highly divergent in three conserved genes from recognized Rickettsia species.
在肩突硬蜱中检测到一种致病性未明的新型立克次氏体。DNA测序显示,17 kDa基因与澳大利亚立克次氏体的核苷酸序列相似度最高,gltA基因与瑞士立克次氏体的相似度最高,rompA基因与蒙大拿立克次氏体的相似度最高。这种新生物体暂定为库利基因型,在三个保守基因上与已知的立克次氏体物种高度不同。