TAILIEUCHUNG - Salicylic acid alleviates cold-induced photosynthesis inhibition and oxidative stress in Jasminum sambac

Salicylic acid (SA) is a signal molecule that mediates many biotic and abiotic stress-induced physiological responses in plants. In the current study the protective effects of SA on cold stress-caused oxidative damage and photosynthesis inhibition in jasmine plants (Jasminum sambac) were examined. | Turkish Journal of Biology Turk J Biol (2015) 39: 241-247 © TÜBİTAK doi: Research Article Salicylic acid alleviates cold-induced photosynthesis inhibition and oxidative stress in Jasminum sambac 1 1 1 1 2, Han CAI , Mengying HE , Kun MA , Yonggao HUANG , Yun WANG * College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, . China 2 School of Food and Biological Engineering, Jiangsu University, Zhenjiang, . China 1 Received: Accepted: Published Online: Printed: Abstract: Salicylic acid (SA) is a signal molecule that mediates many biotic and abiotic stress-induced physiological responses in plants. In the current study the protective effects of SA on cold stress-caused oxidative damage and photosynthesis inhibition in jasmine plants (Jasminum sambac) were examined. Jasmine seedlings were pretreated with 100 µM SA for 3 days and then subjected to cold stress (4 °C) for 15 days. The amounts of superoxide radicals (O2-) and hydrogen peroxide (H2O2) significantly increased in leaves of plants exposed to cold stress and resulted in oxidative damage, indicated by an increase in malondialdehyde accumulation and membrane leakage. The total chlorophyll content, stomatal conductance (gs), photochemical efficiency (Fv/Fm), and net photosynthesis rate (Pn) were significantly reduced in response to the cold treatment. However, plants pretreated with exogenous SA (100 µM) exhibited significantly higher photosynthesis-related parameters and antioxidant enzyme activities (peroxidase and catalase) and lower reactive oxygen species levels compared with the cold control. It was therefore concluded that SA could alleviate the cold treatment-caused oxidative stress and photosynthesis decline by enhancing the activities of antioxidant enzymes in leaves of jasmine. Key words: Cold stress, jasmine, salicylic acid, photosynthesis, oxidative damage 1.

• Sinh học
• Cold stress
• Jasminum sambac
• Salicylic acid
• Oxidative damage
• Photosynthesis inhibition
• BMC Plant Biology
• Pinus halepensis
• Climate change
• Soluble sugars
• Free amino acids
• Seed source evaluation
• Plant Biology
• Calvin cycle
• Saussurea involucrata survives
• Extreme arctic conditions
• Freezing temperatures
• Musa itinerans
• RNA seq based profiling
• Genus Musa
• BMC Bioinformatics
• Cold acclimation
• Cold tolerance
• Low temperature
• Transcriptional regulatory network
• BMC Genomics
• Multiple tissues
• Tropical stenothermal fish
• Ubiquitin mediated protein degradation
• Cold induced RNA binding protein
• WRKY transcription factor family
• Biotic and abiotic stress
• Quantitative real time PCR
• Cotton GPCR gene
• Drought stress
• GO analysis
• Oxidant and antioxidant enzymes
• Transgenic lines
• Wild rice
• RNA Seq
• Rice productivity
• Actinidia arguta
• Cold resistance
• BSR Seq
• Single molecule real time sequencing
• Cold resistance genes
• AS isoforms
• Camellia sinensis
• Cold adaptation
• Alternative splicing
• Adrenal gland
• Broiler chicken
• Vit E
• Ameliorating remedies
• Histomorphology of adrenal gland
• Phenotypic and physiological changes
• Differentially expressed genes
• P pratensis mortality
• Biochemical perspectives
• Chinese white pear
• Gene family
• Drought stress tolerance
• Cold stress tolerance
• Tetrastigma hemsleyanum
• Bioactive constituents
• Crucial flavonols
• Arabidopsis thaliana
• Plant hormones
• Stress response
• Sugar signalling
• Genome Biology
• DNase I hypersensitive site
• Open chromatin
• Bivalent mark
• Abiotic stresses
• Cold exposure
• Adrenal medulla
• Tyrosine hydroxylase tyrosine hydroxylase mRNA
• Sprague Dawley rats
• Densitometric scanning
• Fatigue crack initiation
• Cold worked holes
• Tangential residual stresses
• Residual stress field
• Statistical tests and stochastic properties
• Abscisic acid
• Drought tolerance
• NAC transcription factor
• Oryza sativa L
• Transcription factor
• Brassica napus
• Short day
• Medicago falcata
• CRT binding factor
• Eukaryotic elongation factor 2
• Mangrove plant
• Kandelia obovata
• 3D model
• Gene expression
• Lycopersicon esculentum
• RNA interference
• Molecular biology
• Plant cells
• Transcriptome profiling
• Arabidopsis plants
• Physiological dynamics
• Weighted gene co expression network analysis