1956
DOI: 10.1590/s0074-02761956000300009
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Estudos anatômicos e histológicos sôbre a subfamília Triatominae (Hemiptera, Reduviidae); VI parte: estudo comparativo sôbre a espermiocitogênese das espécies mais importantes

Abstract: Neste estudo comparativo sôbre certos pontos acentuados da espermiocitogênese de sete espécies de Triatominae, chegamos à conclusão que, considerando, concomitantemente, vários característicos dos acontecimentos celulares e nucleares, estas observações permitem uma classificação das espécies ou, pelo menos, uma separação de espécies duvidosas. Os característicos estudados foram: 1. A placas equatoriais das primeira e segunda divisões de maturação. 2. Número e forma dos autosomas e heterocromosomas. 3. Número, … Show more

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Cited by 23 publications
(18 citation statements)
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“…3F). (Burmeister, 1835) P. megistus has been extensively studied cytogenetically Pellegrino, 1950, 1951;Schreiber et al, 1972;Barth, 1956;Mello et al, 1986;Panzera et al, 1998;Tartarotti and Azeredo-Oliveira, 1999a,b). Some contradictions appear in this literature, and for this reason we re-describe this karyotype including new data.…”
Section: Panstrongylus Geniculatus (Latreille 1811)mentioning
confidence: 99%
See 1 more Smart Citation
“…3F). (Burmeister, 1835) P. megistus has been extensively studied cytogenetically Pellegrino, 1950, 1951;Schreiber et al, 1972;Barth, 1956;Mello et al, 1986;Panzera et al, 1998;Tartarotti and Azeredo-Oliveira, 1999a,b). Some contradictions appear in this literature, and for this reason we re-describe this karyotype including new data.…”
Section: Panstrongylus Geniculatus (Latreille 1811)mentioning
confidence: 99%
“…However, the analysis has been centred on the genera Triatoma and Rhodnius, with the genus Panstrongylus studied mainly on morphological characteristics. Cytogenetic studies have been performed in only three Panstrongylus species: P. megistus has been extensively studied Pellegrino, 1950, 1951;Schreiber et al, 1972;Barth, 1956;Mello et al, 1986;Panzera et al, 1998;Tartarotti and Azeredo-Oliveira, 1999a,b). This species, together with Triatoma nitida, are the only triatomines having a chromosome complement composed by 18 autosomes and multiple sex chromosomes (X 1 X 2 Y in males and X 1 X 1 X 2 X 2 in females).…”
Section: Introductionmentioning
confidence: 99%
“…These insects also perform an unusual meiosis in which the segregation of sex chromosomes is post-reductional [11,12].…”
mentioning
confidence: 99%
“…Moreover, these insects also exhibit unusual meiosis in which the segregation of sex chromosomes is post-reductional (Barth, 1956;Ueshima, 1966). In addition, these insects have a peculiar behavior regarding the nucleolus during spermatogenesis, which is termed nucleolar persistence (Tartarotti and Azeredo-Oliveira, 1999).…”
Section: Introductionmentioning
confidence: 99%