Integrative Omic Analysis Reveals the Dynamic Change in Phenylpropanoid Metabolism in Morus alba under Different Stress

Li, Yaohan; Liu, Shengzhi; Zhang, Di; Liu, Amin; Zhu, Wei; Zhang, Jianbin; Yang, Bingxian

doi:10.3390/plants12183265

Cited by 3 publications

(1 citation statement)

References 46 publications

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“…With the isobaric tag for relative and absolute quantitation (iTRAQ), PER47, LAC4, and β-glucosidase 15 (BGLU15) were considered to ultimately affect lignin biosynthesis and stone cell formation in pear pollinated with different varieties of pollen [126]. In the presence of UV-B stress or Botrytis cinerea infection, most of the pro-teins involved in the lignin pathway were substantially increased in Morus alba, indicating their significant role in the responses to abiotic and biotic stress [127].…”

Section: Proteinmentioning

confidence: 99%

More or Less: Recent Advances in Lignin Accumulation and Regulation in Horticultural Crops

Wang,

Wu,

Chen

et al. 2023

Agronomy

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Lignin is an important secondary metabolite that maintains the mechanical strength of horticultural plants and enhances their ability to respond to external environmental changes such as biotic and abiotic stresses. However, excessive accumulation of lignin can lead to lignification of horticultural products, reducing their taste quality and nutritional value. Therefore, the lignin content of horticultural products needs to be controlled at a reasonable level, and studying and regulating lignin metabolism is very meaningful work. This article focuses on the synthesis, accumulation, and regulation of lignin in horticultural crops in recent years, provides a systematic analysis of its molecular mechanism and application prospects, and sheds insights into the directions that need further research in the future. This article provides an important basis for the regulation of lignin accumulation and lignification in horticultural crops and proposes new ideas for improving the quality of horticultural crops.

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Section: Proteinmentioning

confidence: 99%

More or Less: Recent Advances in Lignin Accumulation and Regulation in Horticultural Crops

Wang,

Wu,

Chen

et al. 2023

Agronomy

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Comprehensive Dissection of Metabolites in Response to Low Phosphorus Stress in Different Root-Type Alfalfa at Seedling Stage

Xia,

Nan,

Wang

et al. 2024

Agronomy

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Medicago sativa is a high-quality legume forage that is widely cultivated around the world. However, low phosphorus (LP) stress is one of the main limiting factors for its yield and quality. Currently, it is unclear how various alfalfa root types respond to LP stress. Thus, the creeping-rooted M. varia ‘Gannong No. 4’ (or GN), tap-rooted M. sativa ‘Longdong’ (or LD), and rhizomatous-rooted M. sativa ‘Qingshui’ (or QS) were selected to detect changes in growth, metabolites, phytohormones, and organic acids after 34 days of LP stress treatment (0.01 mmol·L−1 KH2PO4). We observed LP stress significantly inhibited plant growth, and 123, 73, and 42 considerably upregulated differential metabolites were categorized into 33, 26, and 20 metabolic pathways in GN, LD, and QS under LP stress, respectively. Amino acids, plant growth regulators, and organic acids are the main metabolites. After 34 d of LP treatment, the plant height, total surface area, leaf length, ground biomass, leaf width, total volume, leaf area, and ZT content of different root types of alfalfa significantly decreased, while the contents of malic acid, citric acid, oxalic acid, IAA, ABA, and GA3 significantly increased. The plant height, leaf length, leaf width, leaf area, total surface area, total volume, ground biomass, root biomass, the number of different metabolites, and the contents of malic, citric, and oxalic acid, and IAA of GN were significantly higher than those of QS and LD under LP stress. From this point of view, GN was more tolerant than LD and QS under the LP condition.

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6-BA Reduced Yield Loss under Waterlogging Stress by Regulating the Phenylpropanoid Pathway in Wheat

Gulzar,

Yang,

Chen

et al. 2024

Plants

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Waterlogging stress causes substantial destruction to plant growth and production under climatic fluctuations globally. Plants hormones have been widely explored in numerous crops, displaying an imperative role in crop defense and growth mechanism. However, there is a paucity of research on the subject of plant hormones regulating waterlogging stress responses in wheat crop. In this study, we clarified the role of 6-BA in waterlogging stress through inducing phenylpropanoid biosynthesis in wheat. The application of 6-BA (6-benzyladenine) enhanced the growth and development of wheat plants under waterlogging stress, which was accompanied by reduced electrolyte leakage, high chlorophyll, and soluble sugar content. ROS scavenging was also enhanced by 6-BA, resulting in reduced MDA and H2O2 accumulation and amplified antioxidant enzyme activities. Additionally, under the effect of 6-BA, the acceleration of lignin content and accumulation in the cell walls of wheat tissues, along with the activation of PAL (phenylalanine ammonia lyase), TAL (tyrosine ammonia lyase), and 4CL (4-hydroxycinnamate CoA ligase) activities and the increase in the level of transcription of the TaPAL and Ta4CL genes, were observed under waterlogging stress. Also, 6-BA improved the root growth system under waterlogging stress conditions. Further qPCR analysis revealed increased auxin signaling (TaPR1) in 6-BA-treated plants under waterlogging stress that was consistent with the induction of endogenous IAA hormone content under waterlogging stress conditions. Here, 6-BA also reduced yield loss, as compared to control plants. Thus, the obtained data suggested that, under the application of 6-BA, phenylpropanoid metabolism (i.e., lignin) was stimulated, playing a significant role in reducing the negative effects of waterlogging stress on yield, as evinced by the improved plant growth parameters.

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Integrative Omic Analysis Reveals the Dynamic Change in Phenylpropanoid Metabolism in Morus alba under Different Stress

Cited by 3 publications

References 46 publications

More or Less: Recent Advances in Lignin Accumulation and Regulation in Horticultural Crops

More or Less: Recent Advances in Lignin Accumulation and Regulation in Horticultural Crops

Comprehensive Dissection of Metabolites in Response to Low Phosphorus Stress in Different Root-Type Alfalfa at Seedling Stage

6-BA Reduced Yield Loss under Waterlogging Stress by Regulating the Phenylpropanoid Pathway in Wheat

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