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The Alternative splicing (AS) of  Carnitine palmitoyltransferase 1a  ( CPT1a ) and their expression profiles had never been illuminated in goats until now. Herein, a novel splice transcript in the  CPT1a  gene that is predicted to result in the skipping of exons 6–19 (CPT1a-sv1) has been isolated in addition to the full-length transcript in goats. The result of RT-PCR showed that CPT1a-sv1 is 606 bp in length and consists of 6 exons. A novel exon 6 was consisted of partial exon 5 and partial exon 19, compared to that in CPT1a. RT-qPCR analysis showed that the expression patterns of CPT1a and CPT1a-sv1 are spatially different. In both kid and adult goats, the CPT1a transcript is strongly expressed in the liver, spleen, lung, kidney, and brain tissues. However, CPT1a-sv1 has a strong tissue-specific expression pattern, with moderate RNA levels in the liver and brain of kids, while highly expressed in the liver and minimally expressed in the brain of adults. We observed two transcripts to be involved in brain development. These findings improve our understanding of the function of the  CPT1a  gene in goats and provide information on the molecular mechanism of AS events.

A novel splice variant of goat CPT1a gene and their diverse mRNA expression profiles