Developmental Expression of Spermatid-Specific Thioredoxin-1 Protein: Transient Association to the Longitudinal Columns of the Fibrous Sheath During Sperm Tail Formation1

Abstract excerpt

The mammalian sperm tail presents a complex organization in which a number of additional structures, namely outer dense fibers and fibrous sheath, surround the central axoneme and are thought to regulate flagellar motility. We have previously described a novel member of the thioredoxin family of proteins with a spermatid specific expression pattern, spermatid-specific thioredoxin-1 (Sptrx-1). We report here the...

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