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CC BY V4.0, Open Access
Journal article
Assessment of proline function in higher plants under extreme temperatures
Plant biology (Stuttgart, Germany), Vol.25(3), pp.379-395
2023
PMID: 36748909
Appears in Open Access via Read & Publish Agreements
Abstract
Climate change and abiotic stress factors are key players in crop losses worldwide. Among which, extreme temperatures (heat and cold) disturb plant growth and development, reduce productivity and, in severe cases, lead to plant death. Plants have developed numerous strategies to mitigate the detrimental impact of temperature stress. Exposure to stress leads to the accumulation of various metabolites, e.g. sugars, sugar alcohols, organic acids and amino acids. Plants accumulate the amino acid 'proline' in response to several abiotic stresses, including temperature stress. Proline abundance may result from de novo synthesis, hydrolysis of proteins, reduced utilization or degradation. Proline also leads to stress tolerance by maintaining the osmotic balance (still controversial), cell turgidity and indirectly modulating metabolism of reactive oxygen species. Furthermore, the crosstalk of proline with other osmoprotectants and signalling molecules, e.g. glycine betaine, abscisic acid, nitric oxide, hydrogen sulfide, soluble sugars, helps to strengthen protective mechanisms in stressful environments. Development of less temperature-responsive cultivars can be achieved by manipulating the biosynthesis of proline through genetic engineering. This review presents an overview of plant responses to extreme temperatures and an outline of proline metabolism under such temperatures. The exogenous application of proline as a protective molecule under extreme temperatures is also presented. Proline crosstalk and interaction with other molecules is also discussed. Finally, the potential of genetic engineering of proline-related genes is explained to develop 'temperature-smart' plants. In short, exogenous application of proline and genetic engineering of proline genes promise ways forward for developing 'temperature-smart' future crop plants.
Details
- Title
- Assessment of proline function in higher plants under extreme temperatures
- Authors/Creators
- A. Raza - Oil Crops Research InstituteS. Charagh - China National Rice Research InstituteS. Abbas - Government College University, FaisalabadM. U. Hassan - Jiangxi Agr Univ, Res Ctr Ecol Sci, Nanchang, Peoples R ChinaF. Saeed - Nigde Omer Halisdemir Univ, Fac Agr Sci & Technol, Dept Agr Genet Engn, Nigde, TurkiyeS. Haider - Quaid-i-Azam UniversityR. Sharif - Yangzhou UniversityA. Anand - Indian Agr Res Inst, Div Plant Physiol, ICAR, New Delhi, IndiaF. J. Corpas - Estación Experimental del ZaidínW. Jin - Beijing Academy of Agricultural and Forestry SciencesR. K. Varshney - Murdoch University, Food Futures Institute
- Publication Details
- Plant biology (Stuttgart, Germany), Vol.25(3), pp.379-395
- Publisher
- John Wiley & Sons Ltd on behalf of German Society for Plant Sciences, Royal Botanical Society of the Netherlands.
- Number of pages
- 17
- Grant note
- PID2019-10103924GB-I00 / European Regional Development Fund from the Ministry of Economy and Competitiveness/Science and Innovation OPP1114827 / Bill AMP; Melinda Foundation Food Futures Institute of Murdoch University P18-FR-1359 / Plan Andaluz de Investigacion, Desarrollo e Innovacion (PAIDI 2020), Spain
- Identifiers
- 991005602261807891
- Copyright
- © 2023 The Authors.
- Murdoch Affiliation
- Centre for Crop and Food Innovation; State Agricultural Biotechnology Centre; Food Futures Institute
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.49 Plant Stress Responses
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science