Sex-chromosome constitution and supernumerary chromosome in the large bandicoot rat, Bandicota indica (Rodentia, Muridae) from Peninsular Malaysia

Yong, Hoi Sen and Eamsobhana, Praphathip and Lim, Phaik Eem (2012) Sex-chromosome constitution and supernumerary chromosome in the large bandicoot rat, Bandicota indica (Rodentia, Muridae) from Peninsular Malaysia. Journal of Science and Technology in the Tropics, 8. pp. 21-27. ISSN 1823-5034

Full text not available from this repository.
Official URL: http://www.costam.org.my/publications/Vol%208%20No...

Abstract

The Peninsular Malaysia taxon of Bandicota indica has a standard complement of 44 chromosomes, with medium-sized subacrocentric X and small submetacentric Y chromosomes. The present study reveals variation in the size and morphology of the X-xhromosome in B. indica with 2n = 44. The difference in size of the X-chromosome is attributed to variation in constitutive heterochromatin. Excepting the X-chromosome, the karyotype of the Malaysian taxon is similar to the Indian B. indica nemorivaga with 2n = 44. It differs from the Thailand taxon in the number of biarmed and uniarmed autosomes. A male specimen (with 45 chrosomes) of the Malaysian taxon possessed a supernumerary (B) chromosome which is identical to that reported in B. indica nemorivaga.

Item Type: Article
Uncontrolled Keywords: B-chromosome; Sex-chromosome; Mammal; Constitutive heterochromatin; Angiostrongylus cantonensis; Rat lungworm
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 16 Apr 2015 08:48
Last Modified: 04 Dec 2019 08:17
URI: http://eprints.um.edu.my/id/eprint/13280

Actions (login required)

View Item View Item