Karyotypes of two American field crickets: Gryllus rubens and Gryllus sp. (Orthoptera; Gryllidae)

Aya Yoshimura

doi:10.1111/j.1479-8298.2005.00118.x

Karyotypes of two American field crickets: Gryllus rubens and Gryllus sp. (Orthoptera; Gryllidae)

Aya Yoshimura

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The karyotypes of Gryllus rubens (Scudder) and Gryllus sp. collected in the US were studied using conventional Giemsa staining and two differential staining methods. Both species had a chromosome complement of 2n = 28 + XX/XO, and the X chromosome was large and metacentric. In addition, nucleolus organizer regions (NOR) were detected in the short arm of one pair in the two species, and the NOR showed variation in size. The two species had species-specific chromosome configuration and C-banding patterns. In Gryllus sp., the chromosome configuration showed polymorphism in size and type among individuals, and the distal C-bands of Gryllus sp. were larger than those of G. rubens.

Original language	English
Pages (from-to)	219-222
Number of pages	4
Journal	Entomological Science
Volume	8
Issue number	3
DOIs	https://doi.org/10.1111/j.1479-8298.2005.00118.x
Publication status	Published - 09-2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Insect Science

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10.1111/j.1479-8298.2005.00118.x

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abstract = "The karyotypes of Gryllus rubens (Scudder) and Gryllus sp. collected in the US were studied using conventional Giemsa staining and two differential staining methods. Both species had a chromosome complement of 2n = 28 + XX/XO, and the X chromosome was large and metacentric. In addition, nucleolus organizer regions (NOR) were detected in the short arm of one pair in the two species, and the NOR showed variation in size. The two species had species-specific chromosome configuration and C-banding patterns. In Gryllus sp., the chromosome configuration showed polymorphism in size and type among individuals, and the distal C-bands of Gryllus sp. were larger than those of G. rubens.",

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AB - The karyotypes of Gryllus rubens (Scudder) and Gryllus sp. collected in the US were studied using conventional Giemsa staining and two differential staining methods. Both species had a chromosome complement of 2n = 28 + XX/XO, and the X chromosome was large and metacentric. In addition, nucleolus organizer regions (NOR) were detected in the short arm of one pair in the two species, and the NOR showed variation in size. The two species had species-specific chromosome configuration and C-banding patterns. In Gryllus sp., the chromosome configuration showed polymorphism in size and type among individuals, and the distal C-bands of Gryllus sp. were larger than those of G. rubens.

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Karyotypes of two American field crickets: Gryllus rubens and Gryllus sp. (Orthoptera; Gryllidae)

Abstract

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