Indian Society of Genetics & Plant Breeding

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CHROMOSOMAL ABERRATIONS IN RHINOCEROS BEETLE (ORYCTES RHINOCEROS) INFECTED WITH BACULOVIRUS

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Chromosomal aberrations in the testicular and ovarian cells of rhinoceros beetle infected
with baculovirus in vivo were studied. Chromosomal/chromatid breakage (female 32.2%,
male 28.20/.) and centromeric dissociation (female 29.6%, male 24.00/.) were more frequent
among the aberrations followed by aneuploidy (female 14.8%, male 6.3%), acentric (female
11.60/., male 4.5%) and centric (female 2.8%, male 1.3%) fragments. Metacentrics were 1.6%
and 1.2%, respectively, in the female and male cells. Females were more susceptible to the
virus infection in terms of chromosomal aberrations compared to male beetles, the total
frequency of aberrant cells being 65.5% in males and 92.6% in females. The mean number
of abnormalities per aberrant cell was 1.01 in both male and female.
 

Keywords: Rhinoceros beetle, chromosomal aberrations, baculovirus.

Info

Year: 1994
Volume: 54
Issue: 1
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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