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FEBS Lett. 1999 Aug 6;456(2):315-21.

Molecular cloning of haploid germ cell-specific tektin cDNA and analysis of the protein in mouse testis.

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  • 1Department of Science for Laboratory Animal Experimentation, Research Institute for Microbial Diseases, Osaka University, Suita City, Japan.


Tektins are a class of proteins that form filamentous polymers in the walls of ciliary and flagellar microtubules. We report here the molecular cloning of a new member of the tektin family, tektin-t, identified from a mouse haploid germ cell-specific cDNA library. Tektin-t mRNA encodes a protein of 430 deduced amino acids possessing RSNVELCRD, the conserved sequence of tektin family proteins. Western blotting showed a single band having a molecular weight of 86 kDa in the mouse testis. Immunohistochemistry of the testis showed that tektin-t is localized in the flagella of elongating spermatids from developmental step 15 to maturity.

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