期刊
GENERAL AND COMPARATIVE ENDOCRINOLOGY
卷 230, 期 -, 页码 153-157出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygcen.2016.04.013
关键词
Allatostatin C; Gene amplification; Neuropeptide; Evolution; Genome duplication
资金
- CNRS
Allatostatin C is the arthropod homolog of vertebrate somatostatin. The gene went through a local gene triplification leading to the existence of three genes coding such peptides, allatostatins C, CC and CCC. All three genes are still present in several chelicerates, such as the horseshoe crab Limulus polyphemus, several spiders and the scorpion Mesobuthus martensii, the myriapod Strigamia maritima, as well as at least two insect species, Locusta migratoria and Athalia rosae, a sawfly. All three peptides have well conserved primary structures and peptides can easily be classified as either allatostatin C, CC or CCC. In most insect species only two of the genes have been preserved. In many species, these are CC and CCC, but in Diptera, Lepidoptera and Coleoptera it are allatostatins C and CC that are still present. In some arthropod species two or even all three genes can still be found closely associated in the genome and are present on the same scaffold showing that a local amplification was at the origin of these genes. (C) 2016 Elsevier Inc. All rights reserved.
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