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Dynamics of genetic variability in Anastrepha fraterculus (Diptera: Tephritidae) during adaptation to laboratory rearing conditions
Resumen
Background: Anastrepha fraterculus is one of the most important fruit fly plagues in the American continent and
only chemical control is applied in the field to diminish its population densities. A better understanding of the
genetic variability during the introduction and adaptation of wild A. fraterculus populations to laboratory conditions
is required for the development of stable and vigorous experimental colonies and mass-reared strains in support
[ver mas...]
Background: Anastrepha fraterculus is one of the most important fruit fly plagues in the American continent and
only chemical control is applied in the field to diminish its population densities. A better understanding of the
genetic variability during the introduction and adaptation of wild A. fraterculus populations to laboratory conditions
is required for the development of stable and vigorous experimental colonies and mass-reared strains in support of
successful Sterile Insect Technique (SIT) efforts.
Methods: The present study aims to analyze the dynamics of changes in genetic variability during the first six
generations under artificial rearing conditions in two populations: a) a wild population recently introduced to
laboratory culture, named TW and, b) a long-established control line, named CL.
Results: Results showed a declining tendency of genetic variability in TW. In CL, the relatively high values of
genetic variability appear to be maintained across generations and could denote an intrinsic capacity to avoid the
loss of genetic diversity in time.
Discussion: The impact of evolutionary forces on this species during the adaptation process as well as the best
approach to choose strategies to introduce experimental and mass-reared A. fraterculus strains for SIT programs are
discussed.
[Cerrar]
Autor
Parreño, María Alejandra;
Scannapieco, Alejandra Carla;
Remis, Maria Isabel;
Juri, Marianela Lucía;
Vera, María Teresa;
Segura, Diego Fernando;
Cladera, Jorge Luis;
Lanzavecchia, Silvia Beatriz;
Fuente
BMC genetics 15 (Suppl 2) : S14. (2014)
Fecha
2014
Editorial
BioMed Central
ISSN
1471-2156
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Derechos de acceso
Abierto
Excepto donde se diga explicitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)