Identification of the key stages for sex determination in the silkworm, Bombyx mori

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Sex determination in Bombyx mori

We describe here the current status and future prospects of sex-determination studies in the silkworm, Bombyx mori. The sex of Bombyx is strongly controlled by the presence of the W chromosome. Although several classical studies suggested that a presumptive feminizing gene (Fem) is located at a limited portion of the W chromosome, the Fem gene has not yet been cloned. Recently, the homologues o...

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Sex determination is a hierarchically-regulated process with high diversity in different organisms including insects. The W chromosome-derived Fem piRNA has been identified as the primary sex determination factor in the lepidopteran insect, Bombyx mori, revealing a distinctive piRNA-mediated sex determination pathway. However, the comprehensive mechanism of silkworm sex determination is still p...

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ژورنال

عنوان ژورنال: Development Genes and Evolution

سال: 2013

ISSN: 0949-944X,1432-041X

DOI: 10.1007/s00427-013-0461-9