Genetic Diversity of Melipona mandacaia SMITH 1863 (Hymenoptera, Apidae), an Endemic Bee Species from Brazilian Caatinga, Using ISSR

In order to evaluate the genetic diversity and structure of Melipona mandacaia, we analyzed 104 colonies collected in 12 localities in Bahia state, northeastern Brazil, using ISSR-PCR. A total of 109 bands were obtained with a significant polymorphism of 72.47%. Estimates of genetic diversity indica...

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Bibliographic Details
Main Authors: Elder Assis Miranda, Henrique Batalha-Filho, Priscila Santos Oliveira, Rogério Marcos Oliveira Alves, Lucio Antonio Oliveira Campos, Ana Maria Waldschmidt
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Psyche: A Journal of Entomology
Online Access:http://dx.doi.org/10.1155/2012/372138
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Summary:In order to evaluate the genetic diversity and structure of Melipona mandacaia, we analyzed 104 colonies collected in 12 localities in Bahia state, northeastern Brazil, using ISSR-PCR. A total of 109 bands were obtained with a significant polymorphism of 72.47%. Estimates of genetic diversity indicated low values of heterozygosity (He and HB values were 0.2616 and 0.2573, resp.). These reduced values have been reported in other studies in stingless bees and maybe justified by dispersion process in the origin of new nests. AMOVA revealed that the higher percentage of variation is within localities (70.39%). The ΦST and θB values were, respectively, 0.2961 and 0.3289, thereby indicating a moderate population structuring. The correlation between genetic and geographic distances (r=0.4542; P<0.01) suggests isolation by distance. Our study contributes to describing the genetic diversity of endemic organisms from Caatinga and may help future efforts to preserve this threatened biome.
ISSN:0033-2615
1687-7438