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Prospects for Stress Tolerance through Genetic Engineering of SOD and MnSOD Overexpression are surveyed, and the Mechanism of Sod Regulation is studied. Expand
Plant L‐ascorbic acid: chemistry, function, metabolism, bioavailability and effects of processing
The role of L-AA in metabolism and the latest studies regarding its bio- synthesis, tissue compartmentalisation, turnover and catabolism are focused on, as well as the potential to improve the L- AA content of crops. Expand
An Agrobacterium-mediated transient gene expression system for intact leaves
An efficient and reproducible Agrobacterium -mediated transient gene expression system for intact leaf tissue was developed and similar results were obtained with other plant species, such as Phaseolus acutifolius, poplar, and tobacco. Expand
Analysis of 1.9 Mb of contiguous sequence from chromosome 4 of Arabidopsis thaliana
Analysis of the sequence revealed an average gene density of one gene every 4.8 kilobases, and 54% of the predicted genes had significant similarity to known genes, and other interesting features were found, such as the sequence of a disease-resistance gene locus, the distribution of retroelements, and the frequent occurrence of clustered gene families. Expand
Efficient octopine Ti plasmid-derived vectors for Agrobacterium- mediated gene transfer to plants
Strains carrying the resulting cointegrated plasmids transfer and integrate T-DNA into the genome of tobacco protoplasts, and transformed tobacco calli are readily selected as resistant to kanamycin. Expand
Glutathione homeostasis in plants: implications for environmental sensing and plant development
The aim of this review is to assess recent biochemical, molecular, genetic, and physiological advances which are increasing the understanding of the mechanisms by which plant glutathione homeostasis is controlled and the role of glutathion in the integration of cellular processes with plant growth and development under stress. Expand
Superoxide Dismutase in Plants
In plants, three forms of the enzyme exist, as classified by their active site metal ion: copper/zinc, manganese, and iron forms, and it is only in plants that all three different types of SOD coexist. Expand
Identification of the signal molecules produced by wounded plant cells that activate T-DNA transfer in Agrobacterium tumefaciens
We show here that Agrobacterium tumefaciens virulence (Vir) gene expression is activated specifically by the plant molecules acetosyringone (AS) and α-hydroxyacetosyringone (OH-AS). These moleculesExpand
Oxidative Stress in Plants
Genes encoding plant antioxidant enzymes have been cloned and characterized and several lines of evidence have revealed an important role for hydrogen peroxide in stress-induced signalling. Expand
Biosynthesis and genetic engineering of lignin
Progress in the knowledge of the lignin biosynthesis pathway has been obtained and it is now clear that the pathway is more complex than initially thought and there is evidence for alternative pathways. Expand