Quantitation of alternative splicing variants of lactate dehydrogenase C gene in testes of adult yak, sexually immature yak calf and sterile male hybrid of yak

Huang, L., Jin, S-Y., Xu, Y-O., Li, Y-P., Lin, Y-Q. and Zheng, Y-C. 2012. Quantitation of alternative splicing variants of lactate dehydrogenase C gene in testes of adult yak, sexually immature yak calf and sterile male hybrid of yak. Can. J. Anim. Sci. 92: 291–296. The main objective of the present...

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Veröffentlicht in:Canadian journal of animal science 2012-09, Vol.92 (3), p.291-296
Hauptverfasser: Huang, Lin, Jin, Su-Yu, Xu, Ya-Ou, Li, Yu-Ping, Lin, Ya-Qiu, Zheng, Yu-Cai
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Sprache:eng
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Zusammenfassung:Huang, L., Jin, S-Y., Xu, Y-O., Li, Y-P., Lin, Y-Q. and Zheng, Y-C. 2012. Quantitation of alternative splicing variants of lactate dehydrogenase C gene in testes of adult yak, sexually immature yak calf and sterile male hybrid of yak. Can. J. Anim. Sci. 92: 291–296. The main objective of the present study was to analyze quantitatively the alternative splicing of the lactate dehydrogenase C (ldhc) gene in the testes of yak (Bos grunniens) and male sterile yak hybrid. RT-PCR amplification of ldhc cDNA in the testes revealed eight splice variants formed by the deletion of one or more exons in the mRNA transcripts. The deleted exons occur mostly in exons 7 and 4. The deletion of exons caused reading frame shift and formation of stop codon in some variants. Quantitative real-time RT-PCR analysis using ldhc variant-specific primers showed that the mRNA level of full length ldhc decreased dramatically in the testes of sexually immature yak calf (n=6) and male sterile hybrid cattle–yak (n=4) compared with that of adult yak (n=14). The proportions of the ldhc variants assayed differed significantly among adult yak, yak calf and cattle–yak; more ldhc transcripts were spliced in immature or sterile testes. Our results suggest that the alternative splicing could play a role in the regulation of ldhc expression in testes, and could be one factor that plays a role in infertility of yak hybrids.
ISSN:0008-3984
1918-1825
DOI:10.4141/cjas2012-018