Preprint Review Version 1 This version is not peer-reviewed

Sex Determining Mechanisms in Bivalves

Version 1 : Received: 28 June 2017 / Approved: 30 June 2017 / Online: 30 June 2017 (07:28:18 CEST)

How to cite: Breton, S.; Capt, C.; Guerra, D.; Stewart, D. Sex Determining Mechanisms in Bivalves. Preprints 2017, 2017060127 (doi: 10.20944/preprints201706.0127.v1). Breton, S.; Capt, C.; Guerra, D.; Stewart, D. Sex Determining Mechanisms in Bivalves. Preprints 2017, 2017060127 (doi: 10.20944/preprints201706.0127.v1).

Abstract

In this review, we provide an overview of the current knowledge on the different sexual systems and sex determining mechanisms in bivalves, with a focus on the various epigenetic and genetic factors that may be involved. The final section of the review provides recent discoveries on sex-specific mitochondrial genes in bivalves possessing the unconventional system of doubly uniparental inheritance of mitochondria (which is found in several members of the orders Mytiloida, Unionoida, Veneroida and Nuculanoida). The genes involved in this developmental pathway could represent the first sex determination system in animals in which mitochondrially-encoded genes are directly involved.

Subject Areas

sex determination; exual systems; bivalvia; mitochondria

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