C. Flores, Ernesto Guzmán Novoa, Mollah Md. Hamiduzzaman, J. Soto, Marco Antonio López Carlos
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引用次数: 6
Abstract
This study was conducted to analyze the process of Africanization of managed honey bee ( Apis mellifera ) colonies by determining the frequency of African and European morphotypes and mitotypes ( mt DNA) in three different ecological environments of northern Mexico. Colonies (n= 151) were sampled in 1) temperate semi-dry; 2) semi-warm semi-dry; and 3) temperate sub-humid regions in the state of Zacatecas. The mt DNA type was determined by PCR-RFLP and the morphotype by the Fast Africanized Bee Identification System (FABIS). Out of all the colonies sampled in all areas, the mt DNA analysis showed a significantly higher frequency of European maternal lineage (77.5%) than of African maternal lineage (22.5%; P <0.0001). The morphometric analysis classified 47% of the colonies as European and 42.4% of them as Africanized. The frequency of colonies with African or European mitotypes and morphotypes varied significantly between regions (P <0.05) with results indicating a higher degree of Africanization in the semi-warm semi-dry region. Conversely, the highest frequency of colonies with the European morphotype and mitotype occurred in the temperate semi-dry region. These results suggest that the environment affects the degree of Africanization of honey bee colonies in northern Mexico. Colonies established at higher altitudes and in more temperate climates have more European genotypes than colonies established in tropical regions. Several hypotheses are discussed to explain these results.
期刊介绍:
Veterinaria México OA (ISSN 2448-6760) is an online scientific journal edited by Universidad Nacional Autónoma de México (UNAM). The journal is Open Access and follows UNAM''s initiative, to transmit knowledge free of charge to the readership and authors, with no Article Processing Charges.
This journal publishes advances in Veterinary Sciences and Animal Production, and to reach more lectures across the world the journal was updated since 2014 from its predecessor printed in paper Veterinaria México (ISSN 0301-5092) and its digital version (ISSN 2007-5472).