The influence of thermal signals during embryonic development on intrasexual and sexually dimorphic gene expression and circulating steroid hormones in American alligator hatchlings ( Alligator mississippiensis )

Highlights • Temperature induced intrasexual variation is evaluated in a reptile species with temperature dependent sex determination. • The intrasexual patterns of expression for certain gonadal transcripts relate to embryonic incubation temperatures. • For a subset of gonadal genes with sex biased...

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Bibliographic Details
Published in:General and comparative endocrinology 2016-11, Vol.238, p.47-54
Main Authors: McCoy, Jessica A, Hamlin, Heather J, Thayer, LeeAnne, Guillette, Louis J, Parrott, Benjamin B
Format: Article
Language:English
Subjects:
Alligator mississippiensis
Alligators and Crocodiles - blood
Alligators and Crocodiles - embryology
Alligators and Crocodiles - genetics
Animals
Embryonic Development
Endocrinology & Metabolism
Female
Gene Expression Regulation, Developmental
Gonadal Steroid Hormones - blood
Gonads - embryology
Gonads - metabolism
Male
RNA, Messenger - genetics
RNA, Messenger - metabolism
Sex Characteristics
Sex Ratio
Temperature
United States
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Summary:Highlights • Temperature induced intrasexual variation is evaluated in a reptile species with temperature dependent sex determination. • The intrasexual patterns of expression for certain gonadal transcripts relate to embryonic incubation temperatures. • For a subset of gonadal genes with sex biased expression patterns, the magnitude of sexual dimorphism is linked to embryonic incubation temperatures.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2016.04.011