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THE OXIDATIVE BURST IN PLANT DISEASE RESISTANCE.
Emerging data indicate that the oxidative burst reflects activation of a membrane-bound NADPH oxidase closely resembling that operating in activated neutrophils, which underlies the expression of disease-resistance mechanisms.
Activation Tagging Identifies a Conserved MYB Regulator of Phenylpropanoid Biosynthesis
- J. Borevitz, Yiji Xia, J. Blount, R. Dixon, C. Lamb
- Biology, Environmental ScienceThe Plant Cell
- 1 December 2000
A novel approach for enhancing the accumulation of natural products based on activation tagging by Agrobacterium-mediated transformation with a T-DNA that carries cauliflower mosaic virus 35S enhancer sequences at its right border is reported.
Stress-Induced Phenylpropanoid Metabolism.
Limiting discussion to stress-induced phenylpropanoids eliminates few of the structural classes, because many compounds that are constitutive in one plant species or tissue can be induced by various stresses in another species or in another tissue of the same plant.
H2O2 from the oxidative burst orchestrates the plant hypersensitive disease resistance response
Nitric oxide functions as a signal in plant disease resistance
It is shown that nitric oxide potentiates the induction of hypersensitive cell death in soybean cells by reactive oxygen intermediates and functions independently of such intermediates to induce genes for the synthesis of protective natural products.
Activation tagging in Arabidopsis.
Activation tagging using T-DNA vectors that contain multimerized transcriptional enhancers from the cauliflower mosaic virus (CaMV) 35S gene has been applied to Arabidopsis plants, and it is shown that overexpressed genes are almost always found immediately adjacent to the inserted CaMV 35S enhancers.
Reactive Oxygen Intermediates Mediate a Systemic Signal Network in the Establishment of Plant Immunity
Lignin modification improves fermentable sugar yields for biofuel production
Recalcitrance to saccharification is a major limitation for conversion of lignocellulosic biomass to ethanol and lignin modification could bypass the need for acid pretreatment and thereby facilitate bioprocess consolidation.
The Medicago Genome Provides Insight into the Evolution of Rhizobial Symbioses
The draft sequence of the M. truncatula genome sequence is described, a close relative of alfalfa (Medicago sativa), a widely cultivated crop with limited genomics tools and complex autotetraploid genetics, which provides significant opportunities to expand al falfa’s genomic toolbox.
Structure of chalcone synthase and the molecular basis of plant polyketide biosynthesis
- J. Ferrer, J. Jez, M. Bowman, R. Dixon, J. Noel
- Chemistry, BiologyNature Structural Biology
- 1 August 1999
The three-dimensional structure of CHS elucidates the chemical basis of plant polyketide biosynthesis and provides a framework for engineering CHS-like enzymes to produce new products.