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Essay / Research Paper Abstract
A 5 page review of the manner in which information is passed between the various parts of a plant. Transduction is accomplished through a complex interaction of chemical constituents and plant physiology. Bibliography lists 15 sources.
Page Count:
5 pages (~225 words per page)
File: AM2_PPplntSgnls.rtf
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Unformatted sample text from the term paper:
Signal transduction in plants is accomplished through a complex interaction of chemical constituents and plant physiology. The result can be anything from ripening to the
alteration of genetic activity. Ethylene, for example, can initiate a process that not only results in the dropping of a plants leaves but also processes such as ripening, infection
control, root elongation, and floral senescence (Barry and Giovannoni, 2006). Ethylene is a gaseous substance that is a critical component in the control of "a multitude of developmental and
stress responses" (Olmedo, Guo, Gregory et. al., 2004). Other chemical components, however, such as Arabidopsis EIN3 can act to mediate ethylene-regulated gene expression (Klee, 2004). Olmedo, Guo, Gregory
et. al. (2004) observe in addition that: "in the absence of ethylene, EIN3 is quickly
degraded through a ubiquitin/proteasome pathway mediated by two F-box proteins, EBF1 and EBF2" Ethylene,of
course, is hardly the only critical component in transduction. Pennissi (1994) observes that a mutation in the gene that codes:
"for a protein kinase, an enzyme that adds a phosphate to a protein, which then becomes the next signal in this chemical cascade"
The purpose of the chemical "cascade" that characterized transduction is to transmit information within the plants
cells (Pennissi, 1994). This can involve a tremendous diversity of enzymes and other substances that work to regulate plant signal transduction and morphogenesis (Arthur, Vejlupkova, Meeley and Fowler, 2003).
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