Secondary metabolite pathway of SDG (secoisolariciresinol) was observed to trigger ROS scavenging system in response to Ca2+ stress in cotton

Feng, Xixian; Peng, Fanjia; Yin, Zujun; Wang, Junjuan; Zhang, Yuexin; Zhang, Hong; Fan, Yapeng; Xu, Nan; Huang, Hui; Ni, Kesong; Liu, Xiaoyu; Lei, Yuqian; Jiang, Tiantian; Wang, Jing; Rui, Cun; Chen, Chao; Wang, Shuai; Chen, Xiugui; Lu, Xuke; Wang, Delong; Guo, Lixue; Zhao, Lanjie; Li, Yujun; Wang, Yongbo; Ye, Wuwei

doi:10.1016/j.ygeno.2022.110398

Cited by 8 publications

(3 citation statements)

References 59 publications

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“…Plants increase their tolerance to drought stress by activating signalling pathways that drive biochemical and physiological responses. Secondary metabolism, including the production of flavonoids, melatonin, secoisolariciresinol and plant hormones (ABA), is a major signalling event ( Campo et al., 2014 ; Zhu, 2016 ; Meng et al., 2021 ; Feng et al., 2022 ; Song et al., 2022 ). Class III PRXs compose a large gene family with multiple genes in higher plants.…”

Section: Discussionmentioning

confidence: 99%

“…Reactive oxygen species (ROS), including superoxide radicals (

), hydrogen peroxide (H 2 O 2 ), and hydroxyl radicals (OH − ), constitute the primary cause of oxidative damage, which damages cells by destroying membrane lipids ( McCord, 2000 ). To counter environmental stresses, plants have evolved sophisticated molecular mechanisms, such as ROS scavenging, phytohormone signalling pathway (those of abscisic acid (ABA)) activation, and secondary metabolism (including that involving flavonoids, melatonin, and secoisolariciresinol) ( Campo et al., 2014 ; Zhu, 2016 ; Meng et al., 2021 ; Feng et al., 2022 ; Song et al., 2022 ). Moreover, the antioxidant system plays important roles in reducing ROS levels by the action of several endogenous antioxidant enzymes (catalase (CAT), ascorbate peroxidase (APX), and superoxide dismutase (SOD)) ( Mittler, 2002 ).…”

Section: Introductionmentioning

confidence: 99%

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Comparative transcriptomic analysis and functional characterization reveals that the class III peroxidase gene TaPRX-2A regulates drought stress tolerance in transgenic wheat

Sui²,

Niu³

et al. 2023

Front. Plant Sci.

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Drought is a major abiotic stress that reduces crop yields and quality worldwide. Although some genes involved in the response to drought stress have been identified, a more in-depth understanding of the mechanisms underlying wheat tolerance to drought is needed for the control of drought tolerance. Here, we evaluated the drought tolerance of 15 wheat cultivars and measured their physiological–biochemical parameters. Our data showed that the drought tolerance of the resistant wheat cultivars was significantly higher than that of drought-sensitive cultivars, which was associated with a greater antioxidant capacity of the former. Transcriptomic analysis revealed that different mechanisms of drought tolerance exist between the wheat cultivars Ziyou 5 and Liangxing 66. Transcriptomic analysis also revealed a large number of DEGs, including those involved in flavonoid biosynthesis, phytohormone signalling, phenolamides and antioxidants. qRT–PCR was performed, and the results showed that the expression levels of TaPRX-2A were significantly different among the various wheat cultivars under drought stress. Further study revealed that overexpression of TaPRX-2A enhanced tolerance to drought stress through the maintenance of increased antioxidase activities and reductions in ROS contents. Overexpression of TaPRX-2A also increased the expression levels of stress-related genes and ABA-related genes. Taken together, our findings show that flavonoids, phytohormones, phenolamides and antioxidants are involved in the plant response to drought stress and that TaPRX-2A is a positive regulator of this response. Our study provides insights into tolerance mechanisms and highlights the potential of TaPRX-2A overexpression in enhancing drought tolerance in crop improvement programmes.

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Section: Discussionmentioning

confidence: 99%

“…Reactive oxygen species (ROS), including superoxide radicals (

Section: Introductionmentioning

confidence: 99%

Comparative transcriptomic analysis and functional characterization reveals that the class III peroxidase gene TaPRX-2A regulates drought stress tolerance in transgenic wheat

Sui²,

Niu³

et al. 2023

Front. Plant Sci.

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“…An Illumina Novaseq™ 6000 (Illumina, CA, USA) was used for RNA sequencing, with sequencing read lengths of 150 bp with paired ends. For further details on constructing mRNA sequencing libraries and data analysis methods, please refer to Feng et al [80].…”

Section: Rna Sequencing and Bioinformatics Analysismentioning

confidence: 99%

Comparative Transcriptome Analysis Reveals the Molecular Basis of Brassica napus in Response to Aphid Stress

Cai

Ding

et al. 2023

Plants

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Rapeseed is a globally important economic crop that can be severely impacted by aphids. However, our understanding of rapeseed resistance to aphid stress is very limited. In this study, we analyzed the resistance characteristics of the low aphid-susceptible variety APL01 and the highly aphid-susceptible variety Holly in response to aphid stress. APL01 had a more significant inhibitory effect on aphid proliferation compared with Holly during the early stage of inoculation, whereas Holly showed stronger tolerance to aphid stress compared with APL01 during the later stage of inoculation. Through transcriptome, physiological, and gene expression analyses, it was revealed that chitinase activity, catalase activity, calcium signal transduction, and activation of systemic acquired resistance might be involved in aphid resistance in B. napus. The degree of inhibition of photosynthesis in plants under aphid stress directly determines the tolerance of B. napus to aphid stress. Furthermore, four promising candidate genes were screened from eight genes related to rapeseed response to biotic stress through RT-qPCR analysis of gene expression levels. These research findings represent an important step forward in understanding the resistance of rapeseed to aphid stress and provide a solid foundation for the cloning of genes responsible for this resistance.

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Quantitative Trait Locus Mapping Combined with RNA Sequencing Reveals Candidate Genes for Chlorophyll Content in Oilseed Rape Leaves

Yuanhong,

Lei,

Yuqi

et al. 2023

J Plant Growth Regul

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Secondary metabolite pathway of SDG (secoisolariciresinol) was observed to trigger ROS scavenging system in response to Ca2+ stress in cotton

Cited by 8 publications

References 59 publications

Comparative transcriptomic analysis and functional characterization reveals that the class III peroxidase gene TaPRX-2A regulates drought stress tolerance in transgenic wheat

Comparative transcriptomic analysis and functional characterization reveals that the class III peroxidase gene TaPRX-2A regulates drought stress tolerance in transgenic wheat

Comparative Transcriptome Analysis Reveals the Molecular Basis of Brassica napus in Response to Aphid Stress

Quantitative Trait Locus Mapping Combined with RNA Sequencing Reveals Candidate Genes for Chlorophyll Content in Oilseed Rape Leaves

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