Nested genomic structure of haploid germ cell specific haspin gene

Gene
Y YoshimuraYoshitake Nishimune

Abstract

The haspin gene specifically expressed in haploid germ cells encodes a unique Ser/Thr protein kinase. We have cloned a mouse haspin genomic clone using cDNA as a probe. Sequencing data showed that the haspin gene was not interrupted by introns and was bordered by appropriate direct repeat. The transcription start site of the gene was not preceded by a TATA box. The whole transcription unit was located at an intron of integrin alphaM290 gene, and transcription direction of these two genes was different. Southern blotting analysis under stringent condition showed that haspin was a single gene. Phylogenetic analysis suggested that the diversion of haspin gene from other kinase family might be very ancient: the early stage of plant-fungus-animal split.

References

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Citations

Feb 16, 2006·Molecular Reproduction and Development·Martin A HansenHenrik Leffers
Apr 22, 2003·Molecular Reproduction and Development·Mizue HisanoMasami Nozaki
Mar 15, 2006·International Journal of Andrology·Hiromitsu TanakaYoshitake Nishimune
Jul 16, 2021·Reproductive Medicine and Biology·Hiromitsu Tanaka, Akira Tsujimura

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