期刊
FISH & SHELLFISH IMMUNOLOGY
卷 139, 期 -, 页码 -出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fsi.2023.108878
关键词
Japanese flounder; MMP gene Family; Temperature stress; Edwardsiella tarda infection
This study conducted a comprehensive analysis of MMPs in Japanese flounder, including gene structures, evolutionary relationships, conserved domains, molecular evolution, and expression patterns. The analysis revealed that MMP genes could be grouped into 17 sub-families and were evolutionarily conserved and functionally-constrained. The expression profiling showed that MMPs had diverse functions in environmental stress, with different expression patterns observed under temperature stress and Edwardsiella tarda infection.
The Matrix metalloproteinase (MMP) gene family is responsible for regulating the degradation of Extra Cellular Matrix (ECM) proteins, which are important for physiological processes such as wound healing, tissue remod-eling, and stress response. Although MMPs have been studied in many species, their role in immune response in Japanese flounder (Paralichthys olivaceus) is still not fully understood. This study conducted a comprehensive analysis of MMPs in flounder, including gene structures, evolutionary relationships, conserved domains, mo-lecular evolution, and expression patterns. Analysis revealed that MMP genes could be grouped into 17 sub-families and were evolutionarily conserved and functionally-constrained. Meanwhile, MMP genes were found to express in different embryonic and larval stages and might play the role of sentinel in healthy tissues. Furthermore, expression profiling showed that MMPs had diverse functions in environmental stress, with 60% (9/15) and 73% (11/15) of MMPs showing differential expression patterns under temperature stress and Edwardsiella tarda (E. tarda) infection, respectively. These findings provide a useful resource for understanding the immune functions of MMP genes in Japanese flounder.
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