Academic Journal
Genome-wide identification and temperature-responsive expression profiling of TRP gene family in red swamp crayfish (Procambarus clarkii).
| Τίτλος: | Genome-wide identification and temperature-responsive expression profiling of TRP gene family in red swamp crayfish (Procambarus clarkii). |
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| Συγγραφείς: | Yang B; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China., Ma Y; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China., Bai Z; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China., Wang Q; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China., Liu C; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China., Jia L; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China. ljia@shou.edu.cn.; Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-Culture of Aquaculture Animals, Shanghai, 201306, China. ljia@shou.edu.cn., Bai Z; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China. zybai@shou.edu.cn.; Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-Culture of Aquaculture Animals, Shanghai, 201306, China. zybai@shou.edu.cn. |
| Πηγή: | BMC genomics [BMC Genomics] 2026 Jun 12; Vol. 27 (1). Date of Electronic Publication: 2026 Jun 12. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: BioMed Central Country of Publication: England NLM ID: 100965258 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2164 (Electronic) Linking ISSN: 14712164 NLM ISO Abbreviation: BMC Genomics Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: London : BioMed Central, [2000- |
| Ιατρικοί όροι (MeSH): | Astacoidea*/genetics , Transient Receptor Potential Channels*/genetics , Transient Receptor Potential Channels*/metabolism , Gene Expression Profiling* , Multigene Family* , Temperature*, Animals ; Phylogeny ; Transcriptome ; Alternative Splicing |
| Περίληψη: | Background: Temperature variations significantly influence physiological processes in arthropod. The transient receptor potential (TRP) channels are key cellular sensors in the detection of temperature, pain, and mechanical stimuli. However, a comprehensive genome-wide identification and functional characterization of the TRP gene family in Procambarus clarkii has not yet been conducted. Results: In this study, we performed a genome-wide analysis and identified 29 TRP genes in P. clarkii, including 11 newly reported, which were classified into seven subfamilies: TRPA, TRPC, TRPP, TRPM, TRPML, TRPN, and TRPV. Phylogenetic analysis revealed a remarkable expansion of the TRPA subfamily in crayfish compared with insects. Tissue expression profiling demonstrated diverse transcriptional patterns of PclaTRP genes across different organs. Comparative transcriptome analysis under temperature stress further indicated that P. clarkii employs distinct molecular strategies to cope with thermal extremes: heat stress induces proteostasis disruption and biosynthetic suppression, whereas cold stress promotes controlled metabolic downregulation. Specifically, cold stress (10 °C) significantly modulated the expression of 9 PclaTRP genes (4 genes up-regulated and 5 genes down-regulated), whereas non-noxious (30 °C) and noxious heat (35 °C) challenges drastically affected the mRNA levels of 9 (6 genes up-regulated and 3 genes down-regulated) and 12 (10 genes up-regulated and 2 genes down-regulated) PclaTRP genes, respectively. Moreover, temperature-responsive alternative splicing events were identified in two key thermo-responsive candidate factors, PclaTRPA1 and PclaPain2, implicating them in thermosensation. Conclusion: Together, these findings provide a comprehensive overview of the TRP gene family in P. clarkii, revealing their differential expression patterns and alternative splicing regulation under heat and cold challenges, and identifying candidate genes that warrant further investigation for temperature tolerance improvement in crayfish breeding. (© 2026. The Author(s).) |
| Competing Interests: | Declarations. Ethics approval and consent to participate: The experiment was conducted following the procedure of Animal Care and Use Committee of Shanghai Ocean University. Consent for publication: Not applicable. Competing interests: The authors declare no competing interests. |
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| Grant Information: | 23N11900300 Shanghai Science and Technology Innovation action plan project |
| Contributed Indexing: | Keywords: Procambarus clarkii; Alternative splicing; Gene expression; Temperature stress; Transient receptor potential channels |
| Substance Nomenclature: | 0 (Transient Receptor Potential Channels) |
| Entry Date(s): | Date Created: 20260613 Date Completed: 20260819 Latest Revision: 20260820 |
| Update Code: | 20260820 |
| PubMed Central ID: | PMC13483504 |
| DOI: | 10.1186/s12864-026-13020-2 |
| PMID: | 42286486 |
| Βάση Δεδομένων: | MEDLINE |
| ISSN: | 1471-2164 |
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| DOI: | 10.1186/s12864-026-13020-2 |