versión impresa ISSN 1519-566X
MARCON, HS et al. New mariner elements in Anastrepha species (Diptera: Tephritidae). Neotrop. entomol. [online]. 2011, vol.40, n.5, pp. 568-574. ISSN 1519-566X. http://dx.doi.org/10.1590/S1519-566X2011000500008.
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.
Palabras llave : Fruit fly; mellifera; tephritid; transposon; rosa.