New mariner elements in Anastrepha species (Diptera: Tephritidae)

AUTOR(ES)

Marcon, HS, Domingues, DS, Coscrato, VE, Selivon, D, Perondini, ALP, Marino, CL

FONTE

Neotropical Entomology

DATA DE PUBLICAÇÃO

2011-10

RESUMO

Mariner-like elements (MLE) are members from class II of transposable elements also known as DNA transposons. These elements have a wide distribution among different groups of organisms, including insects, which can be explained by horizontal and vertical gene-transfer. MLE families have been described in tephritid flies and other genera. During screening for Wolbachia bacteria in fruit flies of the genus Anastrepha, we discovered two sequences related to mariner-like elements. Based on these sequences, we designed primers that allowed us to isolate and characterize two new mariner-like elements (Anmar1 and Anmar2) in Anastrepha flies. These elements, which belong to the mellifera and rosa subfamilies have a low nucleotide diversity, and are probably inactive and acquired by vertical transfer. This is the first report of mariner-like transposons in flies found in South America.

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