Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae)

The South American fruit fly Anastrepha fraterculus (Wiedemann) is distributed from Mexico to northern and central Argentina. It is a polyphagous species using diverse fruit from wild and cultivated tree or shrub species as feeding and breeding sites. During larval stages, the environment is discont...

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Autores principales: Alberti, A.C., Calcagno, G., Saidman, B.O., Vilardi, J.C.
Formato: JOUR
Materias:
Allozymes
Anastrepha fraterculus
Population structure
fly
genetic structure
population genetics
population structure
Argentina
South America
Diptera
Tephritidae
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00138746_v92_n5_p731_Alberti
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00138746_v92_n5_p731_Alberti
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spelling todo:paper_00138746_v92_n5_p731_Alberti2023-10-03T14:11:34Z Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae) Alberti, A.C. Calcagno, G. Saidman, B.O. Vilardi, J.C. Allozymes Anastrepha fraterculus Population structure fly genetic structure population genetics population structure Argentina South America Anastrepha fraterculus Diptera Tephritidae The South American fruit fly Anastrepha fraterculus (Wiedemann) is distributed from Mexico to northern and central Argentina. It is a polyphagous species using diverse fruit from wild and cultivated tree or shrub species as feeding and breeding sites. During larval stages, the environment is discontinuous, because the larvae are restricted to the fruit where their eggs were laid. This population structure should profoundly influence the distribution of genetic variation and the modes of action of adaptive mechanisms. During the adult stage, in contrast, the population is not structured. In the current work we analyze the genetic structure in an Argentine population (Yuto) among attacked fruits at 4 enzyme loci. The results differed from the expected for a random mating population in the genotypic frequency distribution, the effective inbreeding coefficients, and the correlation between allelic and nonallelic variant frequencies. The most plausible explanation is that populations of this species may include heterogeneous groups of individuals having different origins as the species undergoes host shifts throughout the year. Fil:Alberti, A.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Calcagno, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Saidman, B.O. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Vilardi, J.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00138746_v92_n5_p731_Alberti
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Allozymes
Anastrepha fraterculus
Population structure
fly
genetic structure
population genetics
population structure
Argentina
South America
Anastrepha fraterculus
Diptera
Tephritidae
spellingShingle Allozymes
Anastrepha fraterculus
Population structure
fly
genetic structure
population genetics
population structure
Argentina
South America
Anastrepha fraterculus
Diptera
Tephritidae
Alberti, A.C.
Calcagno, G.
Saidman, B.O.
Vilardi, J.C.
Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae)
topic_facet Allozymes
Anastrepha fraterculus
Population structure
fly
genetic structure
population genetics
population structure
Argentina
South America
Anastrepha fraterculus
Diptera
Tephritidae
description The South American fruit fly Anastrepha fraterculus (Wiedemann) is distributed from Mexico to northern and central Argentina. It is a polyphagous species using diverse fruit from wild and cultivated tree or shrub species as feeding and breeding sites. During larval stages, the environment is discontinuous, because the larvae are restricted to the fruit where their eggs were laid. This population structure should profoundly influence the distribution of genetic variation and the modes of action of adaptive mechanisms. During the adult stage, in contrast, the population is not structured. In the current work we analyze the genetic structure in an Argentine population (Yuto) among attacked fruits at 4 enzyme loci. The results differed from the expected for a random mating population in the genotypic frequency distribution, the effective inbreeding coefficients, and the correlation between allelic and nonallelic variant frequencies. The most plausible explanation is that populations of this species may include heterogeneous groups of individuals having different origins as the species undergoes host shifts throughout the year.
format JOUR
author Alberti, A.C.
Calcagno, G.
Saidman, B.O.
Vilardi, J.C.
author_facet Alberti, A.C.
Calcagno, G.
Saidman, B.O.
Vilardi, J.C.
author_sort Alberti, A.C.
title Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae)
title_short Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae)
title_full Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae)
title_fullStr Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae)
title_full_unstemmed Analysis of the genetic structure of a natural population of Anastrepha fraterculus (Diptera: Tephritidae)
title_sort analysis of the genetic structure of a natural population of anastrepha fraterculus (diptera: tephritidae)
url http://hdl.handle.net/20.500.12110/paper_00138746_v92_n5_p731_Alberti
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AT calcagnog analysisofthegeneticstructureofanaturalpopulationofanastrephafraterculusdipteratephritidae
AT saidmanbo analysisofthegeneticstructureofanaturalpopulationofanastrephafraterculusdipteratephritidae
AT vilardijc analysisofthegeneticstructureofanaturalpopulationofanastrephafraterculusdipteratephritidae
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