Cytogenetics of the genus Parasarcophaga (Sarcophagidae: Diptera)

Kaul, D.; Chaturvedi, Rajesh; Gaur, Pratima; Tewari, Raghav Ram

doi:10.1007/bf00330373

Cited by 15 publications

(19 citation statements)

References 12 publications

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“…However, the present findings of C-banding in B. zebina is in contrary to the C-banding studies of other allied species like E. sorbillans (Venkatachalapathy and Puttaraju 2000), Muscina stabulans (Parise et al 1996), Parasarcophaga albiceps, P. orchidea, P. argyostoma, P. ruficornis and P. knabi (Kaul et al 1978(Kaul et al , 1989.…”

Section: C-bandingcontrasting

confidence: 99%

“…But Kaul et al (1978Kaul et al ( , 1989 in P. misera does not showed discrete C-banding in autosomes. Similar observations were recorded in the present study and revealed no discrete blocks of stained constitutive heterochromatin at the centromeric regions in the chromosomal pairs of all the observed metaphase complements.…”

Section: C-bandingmentioning

confidence: 89%

“…The sex chromosomes of several members of the allied species viz., Chrysomia bezziana (Ullerich 1976), Lucilia cuprina (Bedo 1980), species of Parasarcophaga (Kaul et al 1978(Kaul et al , 1989, Musca domestica (EL Agose et al 1992) and E. sorbillans (Venkatachalapathy and Puttaraju 2000) were found to be completely heterochromatic or one of its counter part showed completely or partially C-possitive in nature. However, in present study we could not identify the sex chromosomes by applying C-banding.…”

Section: C-bandingmentioning

confidence: 99%

“…Differential banding patterns are being increasingly used for identifications of the human and other mammalian chromosomes. In insects these studies are restricted to grasshoppers (Beermann 1977, King and John 1980, Channaveerappa and Ranganath 1992, 1993, Drosophila (Holmquist 1975, Gatti et al 1977, Leumenier et al 1978, Mosquitoes (Motara and Rai 1978) and some Calyptrate insects (Bedo 1980, 1991, Kaul et al 1978, 1989). This restriction is mainly because these insects have longer chromosomes, which facilitated to study the banding pattern in detail.…”

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confidence: 99%

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An Analysis of Chromosomes in the Uzi Fly, Blepharipa zebina Walker (Diptera: Tachinidae) Using C- and Q-banding

Venkatachalapathy

Puttaraju

2006

CYTOLOGIA

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Summary Investigations on mitotic and meiotic metaphase chromosomes from brain, testes and ovaries of the uzi fly, Blepharipa zebina a tachinid endoparasite of the non-mulberry silkworm, Antheraea mylitta (Lepidoptera: Saturnidae) larvae are presented. The karyotype has 5 pairs of submetacentric chromosomes and are arranged in a graded series. All the chromosomal pairs are homomorphic in both male and female. The karyotype of this species is compared with those of other cytologically known Dipterans, which exhibit heteromorphic chromosomal pairs. None of the pairs exhibited complete heterochromotic nature to mark the difference between sex chromosomes and autosomes when C-and Q-banding technique was applied. This is in contrast to the karyotype of another uzi fly, E. sorbillans a tachinid endoparasite of mulberry silkworm, Bombyx mori and other cyclorraphan insects. Key words Blepharipa zebina, Exorista sorbillans, Antheraea mylitta, Sex chromosomes, C-and Q-banding, Heterochromatin.Uzi flies belong to the family Tachinidae of the order Diptera, are of the most important among the insect pests, which attack the silkworm species. There are 4 species of uzi flies are known today viz., the Japanese uzi fly, Crossocosmia sericaria (Rodani); the Hime uzi fly, Ctenophora pavida (Meigen); the Tasar uzi fly, Blepharipa zebina (Walker) and the Indian uzi fly, Exorista sorbillans (Wiedemann). The former 2 lay micro type and later 2 lay macro type eggs on their host silkworm species. These pests are known to cause a great damage to sericulture industry. Because of their impact of parasitism at their maggot stage on silkworm, the uzi flies have been a subject of investigators for quite some time. Among the 4 species, the Tasar and Indian uziflies have been attracting quite a number of researchers mainly because, they causes a great loss to respective non mulberry and mulberry sericulture industry which are known to provide a gainful employment to weaker sections and earns high foreign exchange in many developing countries including India. Earliar Puttaraju and his group from this laboratory have provided detailed information on cytology (1992, 1995, 1997, 2000), embryology (Manjunatha 1993(Manjunatha , 1996, morphology (Manjunatha 1993, Venkatachalapathy 2002) and control measures (1995a, b, 2005) (Narase Gowda 2002) for the Indian uzi fly. In this paper an attempt has been to provide some cytological information on the Tasar uzi fly.Blepharipa zebina (Walker), the tasar uzi fly belongs to the order-Diptera, family-Tachinidae, subfamily-Goniinae and Tribe-Sturminii attacks the tasar silkworms Anthereae mylitta and A. proyeli. However, in respect of the nomelclature of this fly appears to be a great deal of confusion. Deleiado and Hardy (1977) have synchronised, the tasar uzifly Blepharipa zebina (Walker) as Blepharipa sericariae (Rondoni), B. indica Brauer and Bergentamm, Crossocosmia indica Brauer and

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Section: C-bandingcontrasting

confidence: 99%

Section: C-bandingmentioning

confidence: 89%

Section: C-bandingmentioning

confidence: 99%

mentioning

confidence: 99%

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An Analysis of Chromosomes in the Uzi Fly, Blepharipa zebina Walker (Diptera: Tachinidae) Using C- and Q-banding

Venkatachalapathy

Puttaraju

2006

CYTOLOGIA

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“…Most dipteran species have heterochromatin, which can extend from pericentromeric regions to include whole arms of some chromosomes or even the entire sex chromosomes (Kaul et al, 1978;Wallace and Newton, 1987;Marchi and Mezzanotte, 1990;Bedo, 1991;El Agose et al, 1992). While in many species only the Y chromosome is heterochromatic, in the examined species both sex chromosomes were totally heterochromatic.…”

Section: Discussionmentioning

confidence: 99%

Comparative cytogenetic study in Muscidae flies

Parise-Maltempi

Avancini

2007

Braz. J. Biol.

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The chromosome modal number in Muscoidea Diptera is 2n = 12, including five pairs of autosomes and one sex chromosome pair. Nevertheless, some species with 2n = 10 chromosomes have been described, all of them from the Muscidae family. We analyzed the karyotype of some Muscidae species from different subfamilies and compared the obtained data with the karyotypes of some species of the families Calliphoridae and Sarcophagidae. Comparisons of these species with other Muscidae species revealed a considerable variation among their sex chromosomes. This variation in the length of the sex chromosomes suggests that parts of these chromosomes were lost or fused with autosomes. The constitutive heterochromatic regions and the nucleolar organizer regions (NORs) were also analyzed and some aspects about the relationship between these regions and the sex chromosomes are discussed.Keywords: Muscidae, cytogenetics, sex chromosomes, heterochromatin, FISH. Estudo citogenético comparativo em moscas da família MuscidaeResumo O número modal de cromossomos dos Dípteros Muscóideos é 2n = 12, incluindo cinco pares de autossomos e um par de cromossomos sexuais. No entanto, algumas espécies com 2n = 10 cromossomos já foram descritas, sendo todas pertencentes à família Muscidae. No presente trabalho, foram analisados os cariótipos de algumas espécies de Muscidae de diferentes subfamílias e os dados obtidos foram comparados com os cariótipos de algumas espécies das famílias Calliphoridae e Sarcophagidae. Comparações destas espécies com outras da família Muscidae revelaram uma considerável variação entre seus cromossomos sexuais. Esta variação no tamanho dos cromossomos sexuais sugere que parte destes cromossomos foram perdidos ou sofreram fusão com autossomos. As regiões de heterocromatina constitutiva e as regiões organizadoras de nucléolos (RONs) foram também analisadas e alguns aspectos sobre a relação destas com os cromossomos sexuais são discutidos.

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Interspecific comparisons of polytene chromosomes in the genus Parasarcophaga (Sarcophagidae: Diptera)

Kaul

Tewari

1983

Genetica

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A comparison of the polytene chromosomes of Parasarcophaga argyrostoma, P. rufi'cornis, P. misera and P. knabi, is presented. There is close resemblance in the banding patterns of the four species. Two independent paracentric inversions in chromosome arm I1R, a small paracentric inversion in chromosome arm II1R and a pericentric inversion in chromosome V were found to be fixed as interspecific differences.

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Cytogenetics of the genus Parasarcophaga (Sarcophagidae: Diptera)

Cited by 15 publications

References 12 publications

An Analysis of Chromosomes in the Uzi Fly, Blepharipa zebina Walker (Diptera: Tachinidae) Using C- and Q-banding

An Analysis of Chromosomes in the Uzi Fly, Blepharipa zebina Walker (Diptera: Tachinidae) Using C- and Q-banding

Comparative cytogenetic study in Muscidae flies

Interspecific comparisons of polytene chromosomes in the genus Parasarcophaga (Sarcophagidae: Diptera)

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