Journal
APPLIED ENTOMOLOGY AND ZOOLOGY
Volume 57, Issue 3, Pages 193-212Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s13355-022-00785-7
Keywords
Diapause; Opsin; Cryptochrome; Circadian clock genes; RNA interference
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Funding
- JSPS KAKENHI [19H02971]
- Grants-in-Aid for Scientific Research [19H02971] Funding Source: KAKEN
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This article reviews our current understanding of the physiological and molecular mechanisms underlying insect photoperiodism, with a special emphasis on photoperiodic time measurement models.
Photoperiodism is an adaptive response used by organisms to assess day length and anticipate upcoming seasons and to coordinate their (or their offspring's) development and physiology with the environmental changes. These physiological mechanisms have long been studied to understand insect life cycles, combat pests, conserve endangered species, and rear beneficial insects. Recent genetic manipulations have greatly expanded our knowledge of the molecular mechanisms underlying photoperiodism. Here, I review our current knowledge of the physiological and molecular mechanisms underlying photoperiodic time measurement, photoreception, and circadian clocks, which constitute insect photoperiodism modules, with a special emphasis on photoperiodic time measurement models.
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