1996
DOI: 10.1590/s0074-02761996000400021
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Chromosome numbers in the Triatominae (Hemiptera-Reduviidae): a review

Abstract: The chromosome numbers of 46 out of the 122 currently recognized species of Triatominae (Hemiptera, Reduviidae) are summarized. We present the number of autosomes, the sex mechanism and the first reference for each karyotype.

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Cited by 31 publications
(23 citation statements)
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“…The typical autosome number (A) in triatomines is 20 (Panzera et al, 1996) (Panzera et al 1996;Panzera et al, 1998). Additionally, in the genus Triatoma the Y chromosome is larger than the X (Pérez et al 1997;Pérez et al 2000;Pérez et al, 2005), as seen in T. klugi.…”
Section: Discussionmentioning
confidence: 99%
“…The typical autosome number (A) in triatomines is 20 (Panzera et al, 1996) (Panzera et al 1996;Panzera et al, 1998). Additionally, in the genus Triatoma the Y chromosome is larger than the X (Pérez et al 1997;Pérez et al 2000;Pérez et al, 2005), as seen in T. klugi.…”
Section: Discussionmentioning
confidence: 99%
“…In these studies, the comparison criteria were often the number, morphology, and arrangement of chromosomes in the metaphase plate. The data obtained from these investigations gave the first indications of the processes that occurred during chromosomal evolution in these insects (Pérez et al, 1992;Panzera et al, 1996;Tavares and Azeredo-Oliveira, 1997).…”
mentioning
confidence: 92%
“…However, there are species with multiple sex chromosomes (XY, X 1 X 2 Y, X 1 X 2 X 3 Y), caused by fragmentation of the original X (Manna, 1950;Ueshima, 1966), as in T. tibiamaculata (X 1 X 2 Y) (Panzera et al, 1996) and T. vitticeps (X 1 X 2 X 3 Y) (Schreiber and Pellegrino, 1950). The karyotype of T. melanocephala has been recently described (Alevi et al, 2012a) and approaches that of T. vitticeps and T. eratyrusiformis, because among the 140 species of triatomines described, only the males of these species have a diploid chromosome number 2n = 24 (20A + X 1 X 2 X 3 Y) (Panzera et al, 2010).…”
mentioning
confidence: 99%
“…The 148 species currently described (Abad-Franch et al, 2013;Alevi et al, 2013a;Jurberg et al, 2013;Poinar Jr., 2013) are potential vectors of the protozoan Trypanosoma cruzi, the etiologic agent of Chagas disease. Triatomines are also of biological interest because their cells have several peculiarities in comparison to cells of other eukaryotes, such as holocentric chromosomes (Panzera et al, 1996), inverted meiosis for sex chromosomes (Gómez-Palacio et al, 2008), and persistence of nucleolar material during meiosis (Tartarotti and Azeredo-Oliveira, 1999;Alevi et al, 2014a). In addition, triatomines are of evolutionary interest because their origins (monophyletic or polyphyletic) have not been conclusively determined (Tartarotti et al, 2006;Hwang and Weirauch, 2012).…”
Section: Introductionmentioning
confidence: 99%