DOI: 10.3390/plants9020212
论文题名: Plant cell walls tackling climate change: Insights into plant cell wall remodeling, its regulation, and biotechnological strategies to improve crop adaptations and photosynthesis in response to global warming
作者: Ezquer I. ; Salameh I. ; Colombo L. ; Kalaitzis P.
刊名: Plants
ISSN: 22237747
出版年: 2020
卷: 9, 期: 2 语种: 英语
英文关键词: Abiotic stress
; Biotechnological tools
; Carbon sink/source
; Cell wall
; Climate change
; Drought stress in plants
; High temperature stress in plants
; Photosynthesis
; Plant development
; Salinity stress in plants
英文摘要: Plant cell wall (CW) is a complex and intricate structure that performs several functions throughout the plant life cycle. The CW of plants is critical to the maintenance of cells’ structural integrity by resisting internal hydrostatic pressures, providing flexibility to support cell division and expansion during tissue differentiation, and acting as an environmental barrier that protects the cells in response to abiotic stress. Plant CW, comprised primarily of polysaccharides, represents the largest sink for photosynthetically fixed carbon, both in plants and in the biosphere. The CW structure is highly varied, not only between plant species but also among different organs, tissues, and cell types in the same organism. During the developmental processes, the main CW components, i.e., cellulose, pectins, hemicelluloses, and different types of CW-glycoproteins, interact constantly with each other and with the environment to maintain cell homeostasis. Differentiation processes are altered by positional effect and are also tightly linked to environmental changes, affecting CW both at the molecular and biochemical levels. The negative effect of climate change on the environment is multifaceted, from high temperatures, altered concentrations of greenhouse gases such as increasing CO2 in the atmosphere, soil salinity, and drought, to increasing frequency of extreme weather events taking place concomitantly, therefore, climate change affects crop productivity in multiple ways. Rising CO2 concentration in the atmosphere is expected to increase photosynthetic rates, especially at high temperatures and under water-limited conditions. This review aims to synthesize current knowledge regarding the effects of climate change on CW biogenesis and modification. We discuss specific cases in crops of interest carrying cell wall modifications that enhance tolerance to climate change-related stresses; from cereals such as rice, wheat, barley, or maize to dicots of interest such as brassica oilseed, cotton, soybean, tomato, or potato. This information could be used for the rational design of genetic engineering traits that aim to increase the stress tolerance in key crops. Future growing conditions expose plants to variable and extreme climate change factors, which negatively impact global agriculture, and therefore further research in this area is critical. © 2020 by the authors. Licensee MDPI, Basel, Switzerland. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159432
Appears in Collections: 气候变化与战略
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作者单位: Dipartimento di Bioscienze, Università degli Studi di Milano, Milan, 20133, Italy; Department of Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania (MAICh), P.O. Box 85, Chania, 73100, Greece
Recommended Citation:
Ezquer I.,Salameh I.,Colombo L.,et al. Plant cell walls tackling climate change: Insights into plant cell wall remodeling, its regulation, and biotechnological strategies to improve crop adaptations and photosynthesis in response to global warming[J]. Plants,2020-01-01,9(2)