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Volume 15 Issue 6
Nov.  2024
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SHI Shaopu, ZHOU Kaibing. Identification and bioinformatics analysis of superoxide dismutase gene in Mangifera indica[J]. Journal of Tropical Biology, 2024, 15(6): 718-727. doi: 10.15886/j.cnki.rdswxb.20240117
Citation: SHI Shaopu, ZHOU Kaibing. Identification and bioinformatics analysis of superoxide dismutase gene in Mangifera indica[J]. Journal of Tropical Biology, 2024, 15(6): 718-727. doi: 10.15886/j.cnki.rdswxb.20240117

Identification and bioinformatics analysis of superoxide dismutase gene in Mangifera indica

doi: 10.15886/j.cnki.rdswxb.20240117
  • Received Date: 2024-07-17
  • Rev Recd Date: 2024-09-23
  • Superoxide dismutase(SOD) is an important enzyme in the plant antioxidant system, playing a crucial role in plant growth and development. An attempt was made to analyze the gene function of MiSOD and its expression patterns in different tissues and under enhanced UV-B irradiation. Members of the MiSOD gene family from multiple aspects such as protein characteristics, phylogenetic relationships, gene structure, and promoter cis acting elements were identified by using the mango genome and bioinformatics methods, and the expression patterns of MiSOD gene family members were identified by using the transcriptome analysis. A total of 10 SOD genes were identified in the mango fruit, and most of the MiSOD proteins belong to stable proteins and acidic proteins. The phylogenetic analysis of multiple species SOD proteins showed that SOD was clustered into three subgroups according to protein types. Gene structure analysis shows that the SOD gene contains 5-8introns, and genes from the same evolutionary branch have more similar structures. The conserved motifs and domains of their proteins are also the same. Ten MiSOD are distributed on 7 chromosomes and 1 fragment,containing 3 segmental duplication genes. The analysis of cis acting elements showed that the promoters of MiSOD members contain growth and development elements, hormone response elements, and stress response related elements. The expression pattern of MiSOD genes varies in different tissues of ‘Alphonso’ mango.MiCSD3, MiFSD1, 2, 3 have low expression levels in different tissues; the expression level of MiCSD4 is highest in the flesh, leaves, bark, and peel; the expression level of MiMSD1 is highest in the seeds, and the expression level of MiCSD1 is highest in the roots and flowers. Compared with the control, there was no significant difference in the MiSOD genes in the flesh of “Tainong-1” mango under enhanced UV-B irradiation. In summary, members of the MiSOD gene family may exert different functions by sensing different types of signals, thereby forming different expression patterns. SOD may not play a key role in the response of ‘Tainong-1’ mango to UV-B stress.This study lays the foundation for further investigating the response mechanism of MiSOD genes to different signals.
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Identification and bioinformatics analysis of superoxide dismutase gene in Mangifera indica

doi: 10.15886/j.cnki.rdswxb.20240117

Abstract: Superoxide dismutase(SOD) is an important enzyme in the plant antioxidant system, playing a crucial role in plant growth and development. An attempt was made to analyze the gene function of MiSOD and its expression patterns in different tissues and under enhanced UV-B irradiation. Members of the MiSOD gene family from multiple aspects such as protein characteristics, phylogenetic relationships, gene structure, and promoter cis acting elements were identified by using the mango genome and bioinformatics methods, and the expression patterns of MiSOD gene family members were identified by using the transcriptome analysis. A total of 10 SOD genes were identified in the mango fruit, and most of the MiSOD proteins belong to stable proteins and acidic proteins. The phylogenetic analysis of multiple species SOD proteins showed that SOD was clustered into three subgroups according to protein types. Gene structure analysis shows that the SOD gene contains 5-8introns, and genes from the same evolutionary branch have more similar structures. The conserved motifs and domains of their proteins are also the same. Ten MiSOD are distributed on 7 chromosomes and 1 fragment,containing 3 segmental duplication genes. The analysis of cis acting elements showed that the promoters of MiSOD members contain growth and development elements, hormone response elements, and stress response related elements. The expression pattern of MiSOD genes varies in different tissues of ‘Alphonso’ mango.MiCSD3, MiFSD1, 2, 3 have low expression levels in different tissues; the expression level of MiCSD4 is highest in the flesh, leaves, bark, and peel; the expression level of MiMSD1 is highest in the seeds, and the expression level of MiCSD1 is highest in the roots and flowers. Compared with the control, there was no significant difference in the MiSOD genes in the flesh of “Tainong-1” mango under enhanced UV-B irradiation. In summary, members of the MiSOD gene family may exert different functions by sensing different types of signals, thereby forming different expression patterns. SOD may not play a key role in the response of ‘Tainong-1’ mango to UV-B stress.This study lays the foundation for further investigating the response mechanism of MiSOD genes to different signals.

SHI Shaopu, ZHOU Kaibing. Identification and bioinformatics analysis of superoxide dismutase gene in Mangifera indica[J]. Journal of Tropical Biology, 2024, 15(6): 718-727. doi: 10.15886/j.cnki.rdswxb.20240117
Citation: SHI Shaopu, ZHOU Kaibing. Identification and bioinformatics analysis of superoxide dismutase gene in Mangifera indica[J]. Journal of Tropical Biology, 2024, 15(6): 718-727. doi: 10.15886/j.cnki.rdswxb.20240117
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