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Title: Molecular characterization of different breeding groups of outbred Mongolian gerbils (Meriones unguiculatus)
Authors: Maity, B
Guru, P Y
Keywords: Mongolian gerbil (Meriones unguiculatus)
breeding systems
RAPD
protein biochemical markers
cellulose acetate electrophoresis
Issue Date: Jan-2006
Publisher: CSIR
IPC CodeInt. Cl.7 C12N15/10
Abstract: Two RAPD primers and 15 protein biochemical markers were examined to assess the zygosity (hetero/homozygocity) and per cent polymorphisms in monogamous (IM: IF) and triogamous (1M:2F) breeding groups of outbred Mongolian gerbils (Meriones unguiculatus). No polymorphism and heterozygosity were found in RAPD as well as biochemical markers in monogamous groups, whereas both primers in RAPD (%P=55%) and the seven biochemical markers (Alb-1, Es-2, Es-3, Hbb, Idh-1, Pgm-1 and Trf -1) showed polymorphism. On the basis of 15 biochemical markers, genetic variability in terms of per cent polymorphisms (%P=40%), observed heterozygosity (Hob=0.069±0.013), expected heterozygosity (He=0.214±0.277) were observed in triogamous groups. The reproductive performance was severely affected in monogamous groups (colony index, CI=0.33) due to the loss of heterozygosity within the population, whereas the best reproductive performance (CI =0.77) was achieved in heterozygous, triogamous groups.
Page(s): 47-53
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Source:IJBT Vol.05(1) [January 2006]

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