Search Results

You are looking at 71 - 80 of 673 items for :

Clear All
Free access

Zhiyong Hu, Min Zhang, Qigen Wen, Jie Wei, Hualin Yi, Xiuxin Deng and Xianghua Xu

of polysaccharides, lipids, and callose during anther development. Materials and Methods Plant materials. Flower buds were collected from an 8-year-old citrus orchard located in Lishui County, Zhejiang Province, China. The flower buds of

Free access

Diheng Zhong, Hongmei Du, Zhaolong Wang and Bingru Huang

composition and content of fatty acids in the lipid bilayers of the membrane ( Gigon et al., 2004 ; Yordanov et al., 2000 ). Total lipid content in leaves generally exhibits a decline in response to drought stress in various plant species ( Gigon et al., 2004

Full access

Emily B. Merewitz and Sha Liu

composition of lipids in plant membranes and the fatty acids that compose those lipids play an important role in plant tolerance of heat stress. Temperature and seasonal changes in light duration play a major role in regulating the saturation level of fatty

Free access

Yong In Kuk and Ji San Shin

., 1988 ; Wang, 1990 ). Various mechanisms have been suggested to account for chilling (CI) or tolerance in plants. Some of the changes related to low-temperature stress include alterations in gene expression, proteins, lipids, carbohydrate composition

Free access

Sanalkumar Krishnan, Kevin Laskowski, Vijaya Shukla and Emily B. Merewitz

antioxidant activity in response to chilling stress of the fruit ( Yang et al., 2011 ). In grasses, drought stress generates active oxygen species, which causes oxidative damage to lipids, nucleic acids, and proteins ( Smirnoff, 1993 ). Therefore, whether GABA

Free access

Longxing Hu, Tao Hu, Xunzhong Zhang, Huancheng Pang and Jinmin Fu

in cellular damage through oxidation of membrane lipids, protein, and nucleic acids ( Apel and Hirt, 2004 ). To alleviate detrimental effects of salt-induced oxidative stress, plant cells have evolved a complex antioxidant system (e.g., enzymatic and

Full access

Bo Xiao and David Jespersen

standard curve was made using glucose using a range of 5 to 200 µg·mL −1 . Lipid peroxidation was estimated by measuring malondialdehyde (MDA) content based on the methods of Hodges et al. (1999) , with some modifications. Fresh root tissues (100 mg) were

Free access

Grace Q. Chen, Louisa Vang and Jiann-Tsyh Lin

germinated seed. Lipid content measurements. Seed of each stage was overnight vacuum dried at 50 °C and ground, and triplicates were prepared by weighing 0.03 g of dried seed sample into 10-mL glass tubes. The lipids were extracted using 2 mL hexane/2

Free access

Hongmei Du, Zhaolong Wang and Bingru Huang

light capture and its use in carbon fixation ( Asada and Takahashi, 1987 ; Bowler et al., 1992 ; Dat et al., 2000 ; Smirnoff, 1993 ). Reactive oxygen species can cause lipid peroxidation and in turn damage cell membranes and the photosynthetic

Full access

Safwan Shiyab

the injected samples at a certain wavelength (470 nm) in the visible spectrum. N content was determined according to Jackson (1958 ). Measurement of MDA contents. Lipid peroxidation was determined by measuring the total amount of malondialdehyde (MDA