Responses of Plant Molecular Physiology to Environments

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (30 April 2025) | Viewed by 3660

Special Issue Editors


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Guest Editor
College of Life Sciences, Nankai University, Weijin Road 94, Tianjin 300071, China
Interests: plant stress physiology; secondary metabolism; biological energy; bioreactor

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Guest Editor
College of Forestry and Biotechnology, Zhejiang A & F University, Wusu Road 666, Hangzhou 311300, China
Interests: plant VOCs, plant stress physiology, allelophy, secondary metabolism
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Special Issue Information

Dear Colleagues,

With the changes in the global climate, plants are facing more and more serious environmental challenges including not only high temperature and extreme weather, but also drought, saline–alkali, flood, insect pests, etc. In response to the environmental variations, plants can perceive these environmental signals, change the redox equilibrium, adjust primary and secondary metabolism, and generate adaptive proteins. The variations in plant growth and physiological activities under environmental stresses have been well studied, and the revelation of molecular mechanisms can greatly promote the understanding of the response processes and adaptive mechanisms of plants to abiotic and biotic stresses caused by global climate changes, as well as accelerating the breeding of stress-resistant varieties.

We welcome the submission of original research, reviews, methods, and perspectives to the Special Issue “Responses of Plant Molecular Physiology to Environments”. The potential topics may include, but are not limited to, the following:

  • Molecular mechanism of plants perceiving signal moleculars and intracellular signal transduction.
  • Molecular mechanism of plant growth and development in response to environmental variations.
  • Molecular responses of plant physiological activities to abiotic and biotic stresses.
  • Biosynthesis mechanism of plant primary and secondary metabolites under different environment conditions.
  • Adjusting mechanism of secondary metabolites improving plant tolerance to environmental variations.
  • Forming mechanisms of adaptive proteins.

Prof. Dr. Yong Wang
Prof. Dr. Zhaojiang Zuo
Guest Editors

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Keywords

  • abiotic stress
  • biotic stress
  • growth and development
  • molecular mechanism
  • primary and secondary metabolism

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Published Papers (2 papers)

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Research

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16 pages, 3332 KiB  
Article
Enzymatic Characterization of SpPAL Genes in S. polyrhiza and Overexpression of the SpPAL3
by Xiaoxue Li, Yinxing Zhang, Chunfeng Zhu, Pufan Zheng, Cunkun Chen, Na Zhang, Haipeng Ji, Chenghu Dong, Jinze Yu, Jie Ren, Yerong Zhu and Yong Wang
Plants 2024, 13(18), 2607; https://doi.org/10.3390/plants13182607 - 18 Sep 2024
Cited by 1 | Viewed by 1073
Abstract
Phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) catalyzes the deamination of phenylalanine, which is the initial step in the biosynthesis of phenylpropanoids. It serves as a crucial enzyme that facilitates the transfer of carbon from primary to secondary metabolism in plants. Duckweed is regarded as [...] Read more.
Phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) catalyzes the deamination of phenylalanine, which is the initial step in the biosynthesis of phenylpropanoids. It serves as a crucial enzyme that facilitates the transfer of carbon from primary to secondary metabolism in plants. Duckweed is regarded as a promising chassis plant in synthetic biology research and application, due to its being rich in secondary metabolites and other advantages. The genes encoding PAL in Spirodela polyrhiza (L.) Schleid, the giant duckweed, were investigated in this study. Three SpPAL genes (SpPAL1–SpPAL3) were identified and cloned. All of them were successfully expressed in E. coli, and their recombinant proteins all showed PAL activity. In addition, SpPAL1 and SpPAL2 proteins could also utilize tyrosine as substrate, although the activity was low. A qRT-PCR analysis demonstrated that the expression of SpPAL3 was most pronounced in young fronds. It was found that the expression of SpPAL1 and SpPAL3 was significantly induced by MeJA treatment. Overexpression of SpPAL3 in Lemna turionifera inhibited the growth of fronds and adventitious roots in the transgenic plants, indicating the importance of SpPAL3 in duckweed besides its involvement in the secondary metabolism. Full article
(This article belongs to the Special Issue Responses of Plant Molecular Physiology to Environments)
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Review

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19 pages, 3319 KiB  
Review
Prion–like Proteins in Plants: Key Regulators of Development and Environmental Adaptation via Phase Separation
by Peisong Wu and Yihao Li
Plants 2024, 13(18), 2666; https://doi.org/10.3390/plants13182666 - 23 Sep 2024
Cited by 1 | Viewed by 2039
Abstract
Prion–like domains (PrLDs), a unique type of low–complexity domain (LCD) or intrinsically disordered region (IDR), have been shown to mediate protein liquid–liquid phase separation (LLPS). Recent research has increasingly focused on how prion–like proteins (PrLPs) regulate plant growth, development, and stress responses. This [...] Read more.
Prion–like domains (PrLDs), a unique type of low–complexity domain (LCD) or intrinsically disordered region (IDR), have been shown to mediate protein liquid–liquid phase separation (LLPS). Recent research has increasingly focused on how prion–like proteins (PrLPs) regulate plant growth, development, and stress responses. This review provides a comprehensive overview of plant PrLPs. We analyze the structural features of PrLPs and the mechanisms by which PrLPs undergo LLPS. Through gene ontology (GO) analysis, we highlight the diverse molecular functions of PrLPs and explore how PrLPs influence plant development and stress responses via phase separation. Finally, we address unresolved questions about PrLP regulatory mechanisms, offering prospects for future research. Full article
(This article belongs to the Special Issue Responses of Plant Molecular Physiology to Environments)
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