Kato Hirotomo, Gomez Eduardo A, Yamamoto Yu-ichi, Calvopiña Manuel, Guevara Angel G, Marco Jorge D, Barroso Paola A, Iwata Hiroyuki, Hashiguchi Yoshihisa
Department of Veterinary Hygiene, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan.
Am J Trop Med Hyg. 2008 Sep;79(3):438-40.
Natural infection of sand flies with Leishmania parasites was surveyed in an Amazonian area in Ecuador where leishmaniasis is endemic. Seventy-one female sand flies were dissected and one was positive for Leishmania protozoa. The species of this sand fly was identified as Lutzomyia (Lu.) tortura on the basis of morphologic characteristics. Analysis of the cytochrome b gene sequence identified the parasite as L. (Viannia) naiffi. We report the distribution of L. (V.) naiffi in Ecuador and detection of a naturally infected sand fly in the Ecuadorian Amazon and natural infection of Lu. tortura with Leishmania parasites in the New World.
在厄瓜多尔亚马逊地区一个利什曼病流行的地方，对白蛉自然感染利什曼原虫的情况进行了调查。解剖了71只雌性白蛉，其中1只利什曼原虫呈阳性。根据形态学特征，这种白蛉被鉴定为折磨罗蛉（Lutzomyia (Lu.) tortura）。细胞色素b基因序列分析确定该寄生虫为纳氏利什曼原虫（L. (Viannia) naiffi）。我们报告了纳氏利什曼原虫在厄瓜多尔的分布情况，以及在厄瓜多尔亚马逊地区检测到一只自然感染的白蛉，还有在新世界折磨罗蛉被利什曼原虫自然感染的情况。
