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  • Title: First report on Anopheles fluviatilis U in southeastern Iran.
    Author: Mehravaran A, Oshaghi MA, Vatandoost H, Abai MR, Ebrahimzadeh A, Roodi AM, Grouhi A.
    Journal: Acta Trop; 2011 Feb; 117(2):76-81. PubMed ID: 20933492.
    Abstract:
    Anopheles fluviatilis James, one of the malaria vectors in Iran, is a complex of at least three cryptic species provisionally designated as species S, T and U. These species are morphologically indistinguishable at any stage of their life cycle and can be identified only by the examination of species-specific fixed inversions in the polytene chromosomes. Recently, sequence analysis of 28S D3 and second internal transcribed spacer (ITS2) regions of ribosomal DNA has revealed 7 haplotypes of S, U, T1, T2, Y, X and V within the complex. Identification of the cryptic species of the complex is of paramount importance in a disease control program due to contrasting differences in their vectorial efficiency, preference for feeding on humans and resting behavior. In this study we analyzed the sequence of 28S D3- and ITS2-rDNA loci to identify the species composition of the An. fluviatilis complex in Jiroft and Chabahar districts, two of the most important endemic malaria foci in southeastern corner of Iran. The ITS2 sequence analysis revealed that all of the An. fluviatilis specimens were identical to the Y/T2 haplotype of An. fluviatilis T, whereas D3 sequence analysis revealed presence of species T in Jiroft and species U in Chabahar district. It is the first report of species U in Iran.
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