Rickettsia bellii in Amblyomma rotundatum ticks parasitizing Rhinella jimi from northeastern Brazil

被引：16
作者：
Horta, Mauricio C. [1 ]
Saraiva, Danilo G. [2 ]
Oliveira, Glauber M. B. [1 ]
Martins, Thiago F. [2 ]
Labruna, Marcelo B. [2 ]
机构：
[1] Univ Sao Francisco Valley, Univasf, Petrolina, PE, Brazil
[2] Univ Sao Paulo, Sao Paulo, SP, Brazil
来源：
MICROBES AND INFECTION | 2015年 / 17卷 / 11-12期
基金：
巴西圣保罗研究基金会;
关键词：
Rickettsia bellii; Amblyomma rotundatum; Rhinella jimi; Pernambuco; Brazil; SPOTTED-FEVER; SAO-PAULO; MOLECULAR-DETECTION; ACARI IXODIDAE; INFECTION; STATE; FOREST;
D O I：
10.1016/j.micinf.2015.08.010
中图分类号：
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号：
100102 ;
摘要：
This study evaluated rickettsial infection in Amblyomma rotundatum ticks collected from toads (Rhinella jimi) in the Brazilian Caatinga biome, an unique semiarid region of South America. Tick infestations were observed in 57.8% toads (26/45); mean infestation: 1.6 ticks/toad. DNA extraction from 42 ticks (6 larvae, 22 nymphs and 11 female adults) was tested by polymerase chain reaction (PCR) targeting Rickettsia organisms, which were detected in 100% of the ticks. Amplicons' DNA sequences were identical to each other and 99% identical to Rickettsia bellii from GenBank. DNA samples extracted from the blood of the 45 toads were negative by rickettsia- PCR protocols. (C) 2015 Institut Pasteur. Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：856 / 858
页数：3
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