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Volume 15 Issue 6
Nov.  2024
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ZHANG Xiaofeng, SU Yu, DONG Xinyi, LIU Yueru, ZHOU Hongxu, FAN Yinjun. Genome-wide identification and expression-profiling analysis of the antimicrobial peptide genes in Bactrocera dorsalis(Hendel)[J]. Journal of Tropical Biology, 2024, 15(6): 672-682. doi: 10.15886/j.cnki.rdswxb.20240130
Citation: ZHANG Xiaofeng, SU Yu, DONG Xinyi, LIU Yueru, ZHOU Hongxu, FAN Yinjun. Genome-wide identification and expression-profiling analysis of the antimicrobial peptide genes in Bactrocera dorsalis(Hendel)[J]. Journal of Tropical Biology, 2024, 15(6): 672-682. doi: 10.15886/j.cnki.rdswxb.20240130

Genome-wide identification and expression-profiling analysis of the antimicrobial peptide genes in Bactrocera dorsalis(Hendel)

doi: 10.15886/j.cnki.rdswxb.20240130
  • Received Date: 2024-08-12
  • Rev Recd Date: 2024-08-25
  • The antimicrobial peptide(AMP) genes of Bactrocera dorsalis were identified at the genome level to explore potential AMPs for the control of B. dorsalis. The composition, structural features, and phylogenetic relationships of AMPs across different insect species were analyzed by using bioinformatics methods based on chromosome-level genomic data. Furthermore, expression profiles of AMPs at different developmental stages in six adult parts were examined by employing qRT-PCRe. A total of 29 AMP genes were identified, including 12cecropins, 11 defensins, 4 attacins, and 2 diptericins. The genomic and protein structures indicate that B. dorsalis AMP molecules and structures exhibit genetic diversity mechanisms, including gene duplication. The expression profiles of AMPs at different developmental stages revealed that most AMPs are highly expressed during the pupal and adult stages. The expression characteristics of different types of AMPs varied significantly in different body parts, and apart from the hemolymph, individual genes were also expressed in the head and integument.These findings provide a database and information for further research on the functions of B. dorsalis AMPs.
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Genome-wide identification and expression-profiling analysis of the antimicrobial peptide genes in Bactrocera dorsalis(Hendel)

doi: 10.15886/j.cnki.rdswxb.20240130

Abstract: The antimicrobial peptide(AMP) genes of Bactrocera dorsalis were identified at the genome level to explore potential AMPs for the control of B. dorsalis. The composition, structural features, and phylogenetic relationships of AMPs across different insect species were analyzed by using bioinformatics methods based on chromosome-level genomic data. Furthermore, expression profiles of AMPs at different developmental stages in six adult parts were examined by employing qRT-PCRe. A total of 29 AMP genes were identified, including 12cecropins, 11 defensins, 4 attacins, and 2 diptericins. The genomic and protein structures indicate that B. dorsalis AMP molecules and structures exhibit genetic diversity mechanisms, including gene duplication. The expression profiles of AMPs at different developmental stages revealed that most AMPs are highly expressed during the pupal and adult stages. The expression characteristics of different types of AMPs varied significantly in different body parts, and apart from the hemolymph, individual genes were also expressed in the head and integument.These findings provide a database and information for further research on the functions of B. dorsalis AMPs.

ZHANG Xiaofeng, SU Yu, DONG Xinyi, LIU Yueru, ZHOU Hongxu, FAN Yinjun. Genome-wide identification and expression-profiling analysis of the antimicrobial peptide genes in Bactrocera dorsalis(Hendel)[J]. Journal of Tropical Biology, 2024, 15(6): 672-682. doi: 10.15886/j.cnki.rdswxb.20240130
Citation: ZHANG Xiaofeng, SU Yu, DONG Xinyi, LIU Yueru, ZHOU Hongxu, FAN Yinjun. Genome-wide identification and expression-profiling analysis of the antimicrobial peptide genes in Bactrocera dorsalis(Hendel)[J]. Journal of Tropical Biology, 2024, 15(6): 672-682. doi: 10.15886/j.cnki.rdswxb.20240130
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