RGD Reference Report - Expression of protooncogene c-kit receptor in rat testis and uniqueness of extracellular domain across the species with potential in molecular phylogeny. - Rat Genome Database

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Expression of protooncogene c-kit receptor in rat testis and uniqueness of extracellular domain across the species with potential in molecular phylogeny.

Authors: Prasanth, SG  Chattopadhyay, M  Bhat, KV  Ali, S 
Citation: Prasanth SG, etal., DNA Cell Biol. 2004 Jan;23(1):35-43.
RGD ID: 1600061
Pubmed: PMID:14965471   (View Abstract at PubMed)
DOI: DOI:10.1089/104454904322745916   (Journal Full-text)

We studied expression of protooncogene c-kit receptor in Brown Norway rat Rattus norvegicus testis during different stages of postnatal development. Several regions from within the c-kit gene encompassing different domains were amplified employing reverse transcriptase polymerase chain reaction, and the resultant amplicons were cloned and characterized. Maximum expression of c-kit was observed in the testes during the days 10 to 30, suggesting its involvement in transition of primary spermatocytes towards formation of mature spermatozoa. Multiple novel transcripts originating from the extracellular domain were also identified, though their functions remained unknown. The evolutionary divergence of c-kit cDNA of 10 other vertebrates was studied using their sequences from the GenBank. Analyses of c-kit cDNA and its protein sequences in rat and related genomes showed organizational uniqueness across the species. Construction of phylogenetic tree, based on c-kit cDNA and protein sequences delineated all the species successfully and was found to be in accordance with the established positioning of these animals. The organizational uniqueness of c-kit cDNA sequences from the extracellular domain may be exploited as a useful tool in delineating phylogenetic relationship of different species.

Objects referenced in this article
Gene Kit KIT proto-oncogene receptor tyrosine kinase Rattus norvegicus

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