Journal
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS
Volume 46, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cbd.2023.101060
Keywords
Intertidal; High -temperature; Mytilus coruscus; Transcription reaction; Protein degradation
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Due to global warming, the Mytilus coruscus attached in the intertidal zone face extreme and fluctuating temperature changes, leading to mass mortality. This study investigates the transcriptional response of M. coruscus at different temperatures and times by analyzing the intertidal zone temperature. In response to high temperatures, multiple signaling pathways in M. coruscus, including ribosome, endocytosis, endoplasmic reticulum stress, protein degradation, and lysosomes, interact to counter the adverse effects on protein homeostasis.
As a result of global warming, the Mytilus coruscus living attached in the intertidal zone experience extreme and fluctuating changes in temperature, and extreme temperature changes are causing mass mortality of intertidal species. This study explores the transcriptional response of M. coruscus at different temperatures (18 degrees C, 26 degrees C, and 33 degrees C) and different times (0, 12, and 24 h) of action by analyzing the potential temperature of the intertidal zone. In response to high temperatures, several signaling pathways in M. coruscus, ribosome, endocytosis, endoplasmic reticulum stress, protein degradation, and lysosomes, interact to counter the adverse effects of high temperatures on protein homeostasis. Increased expression of key genes, including heat shock proteins (Hsp70, Hsp20, and Hsp110), Lysosome-associated membrane glycoprotein (LAMP), endoplasmic reticulum chaperone (BiP), and baculoviral IAP repeat-containing protein 7 (BIRC7), may further mitigate the effects of heat stress and delay mortality in M. coruscus. These results reveal changes in multiple signaling pathways involved in protein degradation during high-temperature stress, which will contribute to our overall understanding of the molecular mechanisms underlying the response of M. coruscus to high-temperature stress.
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