https://scholars.lib.ntu.edu.tw/handle/123456789/629963
Title: | The impact of thigmotaxis deprivation on the development of the German cockroach (Blattella germanica) | Authors: | Chen, Yun-Ru Li, De-Wei Wang, Hsin-Ping Lin, Shih-Shun EN-CHENG YANG |
Keywords: | Entomology; Molecular mechanism of behavior | Issue Date: | 19-Aug-2022 | Publisher: | CELL PRESS | Journal Volume: | 25 | Journal Issue: | 8 | Source: | iScience | Abstract: | Thigmotaxis is required in small animals. In this study, we examined how the shelter angle affects the development of German cockroaches, Blattella germanica. Groups and individual cockroaches showed a strong preference for shelters with an angle of ≤40° after 15 min or 24 h in shelter-selection trials. For cockroaches that developed in 90/180-degree shelters, survival and fecundity were low, and the nymphal stage lasted longer. Post-molting transcriptomes of second- and sixth-instar nymphs were analyzed at 12 h and 2 days post-molting. Upregulation was observed in genes related to ATP metabolism and cellular amide metabolism. Chitin-based cuticle development and postembryonic development-related genes were downregulated. The stress responses of cockroaches that developed in shelters with angles of 90° were similar to those of gregarious cockroaches experiencing social isolation. For German cockroaches, environmental tactile stimuli are crucial to development and homeostasis. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/629963 | ISSN: | 25890042 | DOI: | 10.1016/j.isci.2022.104802 |
Appears in Collections: | 昆蟲學系 |
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