Anopheles darlingi check for this species in other resources - Anopheles nuneztovari check for this species in other resources - fluorescence in situ hybridization - rDNA genes - nucleolar organizer region - sex chromosomes"/>
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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 98, No. 5, 2003, pp. 629-635
Bioline Code: oc03132
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 98, No. 5, 2003, pp. 629-635

 en Location of Ribosomal Genes in the Chromosomes of Anopheles darlingi check for this species in other resources and Anopheles nuneztovari check for this species in other resources (Diptera, Culicidae) from the Brazilian Amazon
Míriam Silva Rafael; Wanderli Pedro Tadei & Shirlei Maria Recco-Pimentel

Abstract

Fluorescence in situ hybridization of Anopheles darlingi check for this species in other resources and A. nuneztovari check for this species in other resources demonstrated nucleolar organizer region activity at the end of the fourth larval instar, when the nucleolar organizer regions underwent gradual condensation. The heteromorphic sex chromosomes showed intraindividual size variation in the rDNA blocks located in the pericentromeric region and this coincided with the location of constitutive heterochromatin (C-banding).

Keywords
Anopheles darlingi check for this species in other resources - Anopheles nuneztovari check for this species in other resources - fluorescence in situ hybridization - rDNA genes - nucleolar organizer region - sex chromosomes

 
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