22 research outputs found
Physical and metabolic alterations in "Prata AnĂŁ" banana induced by mechanical damage at room temperature
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The molecular characterization of the lignin-forming peroxidase
This laboratory is committed to understanding the function of plant peroxidases via a multi-disciplinary approach. We have chosen the lignin-forming peroxidase from tobacco as the first isoenzyme to be subjected to this comprehensive approach. The goals which were set out upon the initiation of this project were as follows: (1) utilize a cDNA clone to the tobacco anionic peroxidase to generate transgenic plants which either over-produced this isoenzyme or specifically under-produced this isoenzyme via antisense RNA, (2) describe any phenotypic changes resulting from altered peroxidase expression, (3) perform morphological, physiological, and biochemical analysis of the above mentioned plants to help in determining the in planta function for this enzyme, and (4) clone and characterize the gene for the tobacco anionic peroxidase. A summary of progress thus far which includes both published and unpublished work will be presented in three sections: generation and characterization of transgenic plants, description of phenotypes, and biochemical and physiological analysis of peroxidase function, and cloning and characterization of the tobacco anionic peroxidase gene