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Endocrine-dependent expression of circadian clock genes in insects
D Dolezel, L Zdechovanova, I Sauman, M Hodkova
Language English Country Switzerland
NLK
PubMed Central
from 1997
ProQuest Central
from 1997-01-01 to 2017-12-31
Medline Complete (EBSCOhost)
from 2000-01-01
Health & Medicine (ProQuest)
from 1997-01-01 to 2017-12-31
- MeSH
- Circadian Rhythm MeSH
- Endocrine System MeSH
- Financing, Organized MeSH
- Heteroptera genetics MeSH
- Nuclear Proteins genetics MeSH
- Gene Expression Regulation genetics MeSH
- Trans-Activators genetics MeSH
- Basic-Leucine Zipper Transcription Factors genetics MeSH
- Animals MeSH
- Check Tag
- Female MeSH
- Animals MeSH
Current models state that insect peripheral oscillators are directly responsive to light, while mammalian peripheral clock genes are coordinated by a master clock in the brain via intermediate factors, possibly hormonal. We show that the expression levels of two circadian clock genes, period (per) and Par Domain Protein 1 (Pdp1) in the peripheral tissue of an insect model species, the linden bug Pyrrhocoris apterus, are inversely affected by contrasting photoperiods. The effect of photoperiod on per and Pdp1 mRNA levels was found to be mediated by the corpus allatum, an endocrine gland producing juvenile hormone. Our results provide the first experimental evidence for the effect of an endocrine gland on circadian clock gene expression in insects.
References provided by Crossref.org
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