Cited by 338Photosynthetic Processes and MechanismsPlant Stress Responses and TolerancePlant Physiology and Cultivation Studies

Salicylic acid alleviates decreases in photosynthesis under heat stress and accelerates recovery in grapevine leaves

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Wang, Li-Jun, Fan, Ling, Loescher, Wayne, Duan, Wei, Liu, Guo-Jie, Cheng, Jian-Shan, Luo, Hai-Bo, Li, Shao-Hua·2010·BMC Plant Biology

Abstract

BACKGROUND: Although the effect of salicylic acid (SA) on photosynthesis of plants including grapevines has been investigated, very little is yet known about the effects of SA on carbon assimilation and several components of PSII electron transport (donor side, reaction center and acceptor side). In this study, the impact of SA pretreatment on photosynthesis was evaluated in the leaves of young grapevines before heat stress (25 degrees C), during heat stress (43 degrees C for 5 h), and through the following recovery period (25 degrees C). Photosynthetic measures included gas exchange parameters, PSII electron transport, energy dissipation, and Rubisco activation state. The levels of heat shock proteins (HSPs) in the chloroplast were also investigated. RESULTS: SA did not significantly (P < 0.05) influence the net photosynthesis rate (Pn) of leaves before heat stress. But, SA did alleviate declines in Pn and Rubisco activation state, and did not alter negative changes in PSII parameters (donor side, acceptor side and reaction center QA) under heat stress. Following heat treatment, the recovery of Pn in SA-treated leaves was accelerated compared with the control (H2O-treated) leaves, and, donor and acceptor parameters of PSII in SA-treated leaves recovered to normal levels more rapidly than in the controls. Rubisco, however, was not significantly (P < 0.05) influenced by SA. Before heat stress, SA did not affect level of HSP 21, but the HSP21 immune signal increased in both SA-treated and control leaves during heat stress. During the recovery period, HSP21 levels remained high through the end of the experiment in the SA-treated leaves, but decreased in controls. CONCLUSION: SA pretreatment alleviated the heat stress induced decrease in Pn mainly through maintaining higher Rubisco activation state, and it accelerated the recovery of Pn mainly through effects on PSII function. These effects of SA may be related in part to enhanced levels of HSP21.

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  • Heat stress inhibits the OEC and PSII reaction center, with the OEC more sensitive; the PSII core complex denatures at about 60°C and LHCII proteins at about 74°C; release of the 33 kDa extrinsic protein is considered the major reason for heat-induced OEC inactivation.

    “It has been also reported that plants exposed to heat stress for even a short time experience the inhibition of the OEC and the reaction center of PSII (Wang et al. 2010, Hamdani et al. 2011), although the former is more sensitive to heat than the latter.”

    From Photosynthesis under stressful environments: An overview (2013) · cites this paper as Wang et al. 2010

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  • High temperature can damage the ultrastructure of the thylakoid membrane, thereby modulating its biochemical properties.

    “High temperature can damage the ultrastructure of the thylakoid membrane, thereby modulating its biochemical properties (Berry andBjörkman 1980, Wang et al. 2010).”

    From Photosynthesis under stressful environments: An overview (2013) · cites this paper as Wang et al. 2010

    The Background (page unavailable) identifies photochemical reactions in thylakoid lamellae as possible sites of heat injury and describes heat-related changes in photosynthetic processes. It does not say that high temperature damages thylakoid membrane ultrastructure or that such structural damage causes the biochemical changes. (LLM, conf=0.84)

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Research works printed but not linked: 1

  1. Schultz HR Climate change and world viticulture. Cost Action 858 Workshop: Vineyard under environmental constraints: adaptations to climate change. Abiotic stress ecophysiology and grape functional genomics 2007 Poland: University of Lodz

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Authors
Wang, L.-J., Fan, L., Loescher, W., Duan, W., Liu, G.-J., Cheng, J.-S., Luo, H.-B., & Li, S.-H.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Michigan State University (US)
  • China Agricultural University (CN)
Corresponding author
Li, Shao-Hua
Venue
BMC Plant Biology
Published
2010-02-23
Volume
10
Issue
1
Pages
34-34
ISSN
1471-2229 (ISSN-L)
OpenAlex
W2067467448
Cited by
338
References
51
Citations by year
2026: 11 · 2025: 24 · 2024: 22 · 2023: 29 · 2022: 35 · 2021: 36 · 2020: 35 · 2019: 24 · 2018: 22 · 2017: 11 · 2016: 23 · 2015: 21 · 2014: 13 · 2013: 17 · 2012: 8
FWCI
4.17
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Plant Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Institute of Botany, CAS Institutional Repository (submittedVersion)
Funders
  • National Natural Science Foundation of China
  • Chinese Academy of Sciences
  • Shandong Agricultural University
  • Institute of Botany, Chinese Academy of Sciences
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Physiology and Cultivation Studies
Keywords
salicylic acid, heat stress, grapevine, photosynthesis, photosystem II electron transport, Rubisco activation, heat shock proteins, HSP21, heat stress recovery, carbon assimilation
MeSH terms
Carbon Dioxide, Chloroplasts, Electron Transport, Hot Temperature, Heat-Shock Proteins, Photosynthesis, Ribulose-Bisphosphate Carboxylase, Stress, Physiological, Plant Leaves, Plant Transpiration, Salicylic Acid, Vitis, Photosystem II Protein Complex

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