干旱区生态环境知识资源中心(Arid): Metabolic responses of date palm (Phoenix dactylifera L.) leaves to drought differ in summer and winter climate

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DOI	10.1093/treephys/tpab027
	Metabolic responses of date palm (Phoenix dactylifera L.) leaves to drought differ in summer and winter climate
	Du, Baoguo; Kruse, Joerg; Winkler, Jana Barbro; Alfarraj, Saleh; Albasher, Gadah; Schnitzler, Joerg-Peter; Ache, Peter; Hedrich, Rainer; Rennenberg, Heinz
通讯作者	Du, BG (corresponding author), Mianyang Normal Univ, Coll Life Sci & Biotechnol, Mianxing Rd West 166, Mianyang 621000, Sichuan, Peoples R China. ; Du, BG (corresponding author), Albert Ludwigs Univ Freiburg, Inst Forest Sci, Chair Tree Physiol, Georges Koehler Allee 53, D-79110 Freiburg, Germany.
来源期刊	TREE PHYSIOLOGY
ISSN	0829-318X
EISSN	1758-4469
出版年	2021
卷号	41 期号:9 页码:1685-1700
英文摘要	Drought negatively impacts growth and productivity of plants, particularly in arid and semi-arid regions. Although drought events can take place in summer and winter, differences in the impact of drought on physiological processes between seasons are largely unknown. The aim of this study was to elucidate metabolic strategies of date palms in response to drought in summer and winter season. To identify such differences, we exposed date palm seedlings to a drought-recovery regime, both in simulated summer and winter climate. Leaf hydration, carbon discrimination (Delta C-13), and primary and secondary metabolite composition and contents were analyzed. Depending on season, drought differently affected physiological and biochemical traits of the leaves. In summer, drought induced significantly decreased leaf hydration, concentrations of ascorbate, most sugars, primary and secondary organic acids, as well as phenolic compounds, while thiol, amino acid, raffinose and individual fatty acid contents were increased compared with well-watered plants. In winter, drought had no effect on leaf hydration, ascorbate and fatty acids contents, but resulted in increased foliar thiol and amino acid levels as observed in summer. Compared with winter, foliar traits of plants exposed to drought in summer only partly recovered after re-watering. Memory effects on water relations, and primary and secondary metabolites seem to prepare foliar traits of date palms for repeated drought events in summer. Apparently, a well-orchestrated metabolic network, including the anti-oxidative system, compatible solutes accumulation and osmotic adjustment, and maintenance of cell-membrane stability strongly reduces the susceptibility of date palms to drought. These mechanisms of drought compensation may be more frequently required in summer.
英文关键词	anti-oxidative system compatible solutes date palm (Phoenix dactylifera L.) drought fatty acids high temperature memory effects nitrogen composition
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000710990200010
WOS关键词	PHYSIOLOGICAL-RESPONSES ; LIPID-COMPOSITION ; ARACHIDONIC-ACID ; UNITED-STATES ; STRESS ; HEAT ; ARABIDOPSIS ; FOREST ; PLANTS ; WATER
WOS类目	Forestry
WOS研究方向	Forestry
来源机构	King Saud University
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368035
作者单位	[Du, Baoguo] Mianyang Normal Univ, Coll Life Sci & Biotechnol, Mianxing Rd West 166, Mianyang 621000, Sichuan, Peoples R China; [Du, Baoguo; Kruse, Joerg; Rennenberg, Heinz] Albert Ludwigs Univ Freiburg, Inst Forest Sci, Chair Tree Physiol, Georges Koehler Allee 53, D-79110 Freiburg, Germany; [Winkler, Jana Barbro; Schnitzler, Joerg-Peter] Helmholtz Zentrum Munchen, Res Unit Environm Simulat EUS, Inst Biochem Plant Pathol, Landstr 1, D-85764 Neuherberg, Germany; [Alfarraj, Saleh; Albasher, Gadah; Rennenberg, Heinz] King Saud Univ, POB 2455, Riyadh 11451, Saudi Arabia; [Ache, Peter; Hedrich, Rainer] Univ Wurzburg, Bioctr, Inst Mol Plant Physiol & Biophys, D-97082 Wurzburg, Germany; [Rennenberg, Heinz] Southwest Univ, Ctr Mol Ecophysiol CMEP, Coll Resources & Environm, 2 Tiansheng Rd, Chongqing 400715, Peoples R China
推荐引用方式 GB/T 7714	Du, Baoguo,Kruse, Joerg,Winkler, Jana Barbro,et al. Metabolic responses of date palm (Phoenix dactylifera L.) leaves to drought differ in summer and winter climate[J]. King Saud University,2021,41(9):1685-1700.
APA	Du, Baoguo.,Kruse, Joerg.,Winkler, Jana Barbro.,Alfarraj, Saleh.,Albasher, Gadah.,...&Rennenberg, Heinz.(2021).Metabolic responses of date palm (Phoenix dactylifera L.) leaves to drought differ in summer and winter climate.TREE PHYSIOLOGY,41(9),1685-1700.
MLA	Du, Baoguo,et al."Metabolic responses of date palm (Phoenix dactylifera L.) leaves to drought differ in summer and winter climate".TREE PHYSIOLOGY 41.9(2021):1685-1700.