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Effects of water extract from Cornus controversa on the expression levels of DiSOC1-b and DiCCoAOMT1 genes related with the growth of dove tree seedlings

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JOURNAL OF PLANT ECOLOGY 2024年第2期17卷 62-73页

作者： Chen, Xiaoyan Liang, Zhengchuan Long, Yun Pan, Jihong Dong, Tingfa Liu, Qinsong Xu, Xiao China West Normal Univ Coll Life Sci Nanchong 637009 Sichuan Peoples R China China West Normal Univ Key Lab Southwest China Wildlife Resources Conserv Minist Educ Nanchong 637009 Sichuan Peoples R China Acad Agr Sci Liangshan Yi Autonomous Prefecture Xichang 615000 Sichuan Peoples R China

Although characterization of plant interactions has become a research hotspot to assess the adaptability of endangered plants, the underlying molecular basis remains elusive. Dove tree (davidia involucrata) seedlings were watered with distilled water (CK), leaf water extract (0.025 g mL-1) and branch water extract (0.1 g mL-1) from Cornus controversa, respectively. Subsequently, the morphology, biomass and gene expression levels of DiSOC1-b and DiCCoAOMT1 were analyzed. The results showed that morphological traits and biomass accumulation of D. involucrata seedlings were decreased by the addition of leaf water extracts, and increased by branch water extracts. Moreover, the gene expression level of DiSOC1-b was significantly down-regulated, while the gene expression level of DiCCoAOMT1 was significantly up-regulated in the stems and roots of D. involucrata upon treatment with leaf water extracts of C. controversa. In contrast, the gene expression level of DiSOC1-b was significantly up-regulated in the leaves and stems, while the gene expression level of DiCCoAOMT1 was significantly down-regulated in the roots of D. involucrata upon treatment with branch water extracts of C. controversa. In addition, the expression level of DiSOC1-b was positively correlated with most of morphological traits and total biomass (P involucrata seedlings (P involucrata seedlings.

关键词： allelopathy davidia involucratax DiCCoAOMT1 DiSOC1-b water extract davidia-involucrata ALLELOPATHY CLONING CCOAOMT SOC1 ROOT LEAF

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