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Photoperiod and temperature separately regulate nymphal development through JH and insulin/TOR signaling pathways in an insect by Miki, Taiki; Shinohara, Tsugumichi; Chafino, Silvia; Noji, Sumihare; Tomioka, Kenji is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Photoperiod and temperature separately regulate nymphal development through JH and insulin/TOR signaling pathways in an insect about?
Insects living in the temperate zone enter a physiological state of arrested or slowed development to overcome an adverse season, such as winter. Developmental arrest, called diapause, occurs at a species-specific developmental stage, and embryonic and pupal diapauses have been extensively studied in mostly holometabolous insects. Some other insects overwinter in the nymphal stage with slow growth for which the mechanism is poorly understood. Here, we show that this nymphal period of slow growth is regulated by temperature and photoperiod through separate pathways in the cricket Modicogryllus siamensis . The former regulates the growth rate, at least in part, through the insulin / target of rapamycin (TOR) signaling pathway. Lower temperature down-regulates the expression of insulin -like peptide ( Ms’Ilp ) and Target of rapamycin ( Ms’Tor ) genes to slow down the growth rate without affecting the number of molts. The latter regulates the number of molts independent of temperature. Short days increase the number of molts through activation of the juvenile hormone (JH) pathway and down-regulation of myoglianin ( Ms’myo ), a member of the TGFβ family, which induces adult metamorphosi
Who reads Photoperiod and temperature separately regulate nymphal development through JH and insulin/TOR signaling pathways in an insect?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Miki, Taiki; Shinohara, Tsugumichi; Chafino, Silvia; Noji, Sumihare; Tomioka, Kenji
- Publisher
- National Academy of Sciences; Proceedings of the National Academy of Sciences; Oxford University Press (OUP); Publons; ScienceOpen (ISSN 0027-8424)
- Published
- 2020
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)