期刊
GENERAL AND COMPARATIVE ENDOCRINOLOGY
卷 296, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygcen.2020.113528
关键词
Insulin; Relaxin; Gonadulin; Androgenic insulin-like peptide; Decapod; Receptor; Evolution
资金
- CNRS
Insulin and related peptides play important roles in the regulation of growth and reproduction. Until recently three different types of insulin-related peptides had been identified from decapod crustaceans. The identification of two novel insulin-related peptides from Sagmariasus verreawci and Cherax quadricarinatus suggested that there might a fourth type. Publicly available short read archives show that orthologs of these peptides are commonly present in these animals. Most decapods have two genes coding such peptides, but Penaeus species have likely only one and some palaemonids have three. Interestingly, expression levels can vary more than thousand-fold in the gonads of Portunus trituberculatus, where gonadulin 1 is expressed by the testis and gonadulin 2 by the ovary. Although these peptides are also expressed in other tissues, the occasionally very high expression in the gonads led to them being called gonadulins.
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