This indicates that foxl2 may also act as a female determinant in fish species with TSD. The amhy, gsdf, amhr2, and sdY genes Just prior to and during the preparation of the present review, four additional strong candidate master sex-determining SD genes were reported in fish, which indicates that this area of study is moving fast. However, other studies on medaka reported that dmrt1 was expressed at very low levels up to days post-hatching DPH , irrespective of the genetic sex [ 32 , 85 ]. The phylogeny is a compilation from Kikuchi and Hamaguchi [ 61 ]. Additional file 1: Overview of the literature on the effects of temperature on sex ratios and related gene expression in fish. The dmrt1 gene encodes a putative transcription factor containing a zinc-finger-like DNA-binding motif DM domain and was initially identified in nematodes [ 64 ] and flies [ 34 ]. Takaoka A, Yanai H: Interferon signalling network in innate defence.
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