Further insight into the geographic distribution of Leishmania species in Peru by cytochrome b and mannose phosphate isomerase gene analyses.

Abstract:

:To obtain further insight into geographic distribution of Leishmania species in Peru, a countrywide survey, including central to southern rainforest areas where information on causative parasite species is limited, was performed based on cytochrome b (cyt b) and mannose phosphate isomerase (mpi) gene analyses. A total of 262 clinical samples were collected from patients suspected of cutaneous leishmaniasis (CL) in 28 provinces of 13 departments, of which 99 samples were impregnated on FTA (Flinders Technology Associates) cards and 163 samples were Giemsa-stained smears. Leishmania species were successfully identified in 83 (83.8%) of FTA-spotted samples and 59 (36.2%) of Giemsa-stained smear samples. Among the 142 samples identified, the most dominant species was Leishmania (Viannia) braziliensis (47.2%), followed by L. (V.) peruviana (26.1%), and others were L. (V.) guyanensis, L. (V.) lainsoni, L. (V.) shawi, a hybrid of L. (V.) braziliensis and L. (V.) peruviana, and Leishmania (Leishmania) amazonensis. Besides the present epidemiological observations, the current study provided the following findings: 1) A hybrid of L. (V.) braziliensis and L. (V.) peruviana is present outside the Department of Huanuco, the only place reported, 2) Many cases of CL due to L. (V.) lainsoni, an uncommon causative species in Peru, were observed, and 3) L. (V.) shawi is widely circulating in southern Amazonian areas in Peru.

journal_name

PLoS Negl Trop Dis

authors

Kato H,Cáceres AG,Seki C,Silupu García CR,Holguín Mauricci C,Castro Martínez SC,Moreno Paico D,Castro Muniz JL,Troyes Rivera LD,Villegas Briones ZI,Guerrero Quincho S,Sulca Jayo GL,Tineo Villafuerte E,Manrique de Lara Estrada C

doi

10.1371/journal.pntd.0007496

subject

Has Abstract

pub_date

2019-06-20 00:00:00

pages

e0007496

issue

6

eissn

1935-2727

issn

1935-2735

pii

PNTD-D-19-00561

journal_volume

13

pub_type

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