ITS2-rDNA Sequence Variation of S.l. (Dip: Psychodidae) Populations in Iran

Overview

Journal J Arthropod Borne Dis

Publisher Tehran University of Medical Sciences

Date 2016 Dec 30

PMID 28032098

Citations 4

Authors

Vahideh Moin-Vaziri

Mohammad Ali Oshaghi

Mohammad Reza Yaghoobi-Ershadi

Pupak Derakhshandeh-Peykar

Mohammad Reza Abaei

Fatemeh Mohtarami

Ali Reza Zahraei-Ramezani

Aboulhassan Nadim

Affiliations

Soon will be listed here.

Abstract

Background: s.l. is considered the most likely vector of in Iran. Although two morphotypes- (A) and (B)-have been formally described, further morphological and a molecular analysis of mitochondrial cytochrome oxidase I (mtDNA-COI) gene revealed inconsistencies and suggests that the variation between the morphotypes is intraspecific and the morphotypes might be identical species.

Methods: We examined the sequence of the ITS2-rDNA of Iranian specimens of s.l., comprising , , and intermediate morphotypes, together with available data in Genbank.

Results: Sequence analysis showed 5.2% variation among s.l. morphotypes. Almost half of the variation was due to the number of an AT microsatellite repeats in the center of the spacer. Nine haplotypes were found in the species constructing three main lineages corresponding to the origin of the colonies located in southwest (SW), northeast (NE), and northwest-center-southeast (NCS). Lineages NCS and NE included both typical and and intermediate morphotypes.

Conclusion: Phylogenetic sequence analysis revealed that, except for one Iranian sample, which was close to the European samples, other Iranian haplotypes were associated with the northeastern Mediterranean populations including Turkey, Cyprus, Syria, and Pakistan. Similar to the sequences of mtDNA COI gene, ITS2 sequences could not resolve from and did not support the possible existence of sibling species or subspecies within s.l.

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