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 E-Mail IMAGE: Differences in the environmental signals utilized as cues to determine alternative diapause between domesticated silkworm and Bombyx mandarina. view more  Credit: Copyright © 2021, Kunihiro Shiomi, Shinshu University Diapause is a phenomenon in which animals and insects foresee changes in the environment and actively reduce metabolism, or halt regular differentiation and development. It is an adaptation strategy for adverse environments such as surviving winters, but also to encourage uniform growth of the generational group. By knocking out genes that allow the silkworm to detect temperature, researchers at Shinshu University et al. found that the silk moth diapause changes from temperature to photoperiod, or day length. This is not only valuable as an elucidation of the molecular mechanism in the environmental response mechanism of organisms such as insects, but also a very important finding in exploring the process of domestication of silk moths. The

Yoko takasuMisato shimodaKunihiro shiomiShigeru saitoYoshiomi katoMasakazu kobayashiMakoto tominagaAkira mizoguchiHideki sezutsuTakeshi yokoyamaMisato shimoda gunma sericultural technology centerTechnology for scientific researchFood research organizationShigeru saito national institute for physiological sciencesDepartment of applied biological sciencesBiofunction utilization research division