Karyotype of brazilian Anopheles albitarsis sensu lato (Diptera: Culicidae) (2005)
- Authors:
- USP affiliated authors: SALLUM, MARIA ANICE MUREB - FSP ; FORATTINI, OSWALDO PAULO - FSP
- Unidade: FSP
- Subjects: ANOPHELES; CARIOTIPAGEM; CROMOSSOMOS SEXUAIS (GENÉTICA)
- Language: Inglês
- Abstract: Anopheles (Nyssorhynchus) albitarsis sensu lato is an important malaria vector in Brazil, especially in the Brazilian Amazon region. Chromosome preparations of fourth-instar larvae of A. albitarsis from Iranduba and Coari (AM) and Ilha Comprida (SP) were analyzed for karyotype determination and to improve cytogenetic identification of this species. Anopheles albitarsis possesses 2n = 6 chromosomes, with two pairs (submetacentric and metacentric) of autosomes and one pair of sex chromosomes, with X-Y dimorphism. The sex pair is homomorphic and acrocentric in females and heteromorphic in males, with a punctiform Y chromosome. Somatic pairing was detected in the prometaphase and metaphase chromosomes of the three A. albitarsis populations. Apparently, sex chromosome evolution in the Culicidae does not function as does evolution in the Culicidae, since it occurs in the subfamily Anophelinae, which possesses heteromorphic sex chromosomes and is regarded as primitive, based on several criteria. These karyotype data on the albitarsis complex reinforce the hypothesis that sex chromosome evolution in the subfamily Anophelinae is conserved, and the variation revealed in the mean size of chromosomes in three populations indicates that selective pressure in these populations is occurring only at a genetic level
- Imprenta:
- Publisher place: Ribeirão Preto
- Date published: 2005
- Source:
- Título do periódico: Genetics and Molecular Research
- ISSN: 1676-5680
- Volume/Número/Paginação/Ano: v. 4, n. 4, p. 684-690, 2005
-
ABNT
RAFAEL, Míriam Silva; SANTOS-JUNIOR, Ivanildo Pereira dos; TADEI, Wanderli Pedro; SALLUM, Maria Anice Mureb; FORATTINI, Oswaldo Paulo. Karyotype of brazilian Anopheles albitarsis sensu lato (Diptera: Culicidae). Genetics and Molecular Research, Ribeirão Preto, v. 4, n. 4, p. 684-690, 2005. Disponível em: < http://funpecrp.com.br/gmr/year2005/vol4-4/pdf/gmr0184.pdf >. -
APA
Rafael, M. S., Santos-Junior, I. P. dos, Tadei, W. P., Sallum, M. A. M., & Forattini, O. P. (2005). Karyotype of brazilian Anopheles albitarsis sensu lato (Diptera: Culicidae). Genetics and Molecular Research, 4( 4), 684-690. Recuperado de http://funpecrp.com.br/gmr/year2005/vol4-4/pdf/gmr0184.pdf -
NLM
Rafael MS, Santos-Junior IP dos, Tadei WP, Sallum MAM, Forattini OP. Karyotype of brazilian Anopheles albitarsis sensu lato (Diptera: Culicidae) [Internet]. Genetics and Molecular Research. 2005 ; 4( 4): 684-690.Available from: http://funpecrp.com.br/gmr/year2005/vol4-4/pdf/gmr0184.pdf -
Vancouver
Rafael MS, Santos-Junior IP dos, Tadei WP, Sallum MAM, Forattini OP. Karyotype of brazilian Anopheles albitarsis sensu lato (Diptera: Culicidae) [Internet]. Genetics and Molecular Research. 2005 ; 4( 4): 684-690.Available from: http://funpecrp.com.br/gmr/year2005/vol4-4/pdf/gmr0184.pdf - Two species of the spissipes section of culex (melanoconion) (diptera: culicidae)
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