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Heat Stress Signal Transduction in Plant Cells (Paperback)
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Heat Stress Signal Transduction in Plant Cells (Paperback)
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Plant tolerance to heat stress proved to be entirely dependent on
the signaling flow of information by which the plant can sense the
changes in its surrounding environment and signal its genes to
respond by producing special proteins to protect it-self. Any
changes or manipulations in this signaling flow of information will
presumably lead to a modification in the genetic expression inside
the plant cells, consequently, changing plant performance.
Understanding these signaling events in response to heat may help
us to produce heat tolerant plants capable to stand high
temperature stress. In the present investigation, the results
showed that a heat activated MAP kinase cascade, involving heat
activated MAP kinase (HAMK), played an essential role in heat shock
gene expression in tobacco BY-2 cells. In order to determine if
heat activation of HAMK involved additional pathways of signaling
we studied the upstream regulation of HAMK, including membrane
fluidization and reorganization of cytoskeleton. The activation of
HAMK and accumulation of heat responsive HSFs, HSP70 and HSP27
proteins were used as end-point markers in these experiments. It is
concluded that the heat shock response, as measured by HAMK
activation and heat shock proteins accumulation required PKC
activation, membrane fluidization and reorganization of the
cytoskeleton. A comparative bioinformatic explanation of
similarities between tobacco heat shock genes and their
counterparts in different organisms revealed a high degree of
evolutionary conservation in the corresponding domains, indicating
similar function in different species.
General
Imprint: |
VDM Verlag Dr. Mueller E.K.
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Country of origin: |
Germany |
Release date: |
April 2008 |
First published: |
April 2008 |
Authors: |
Ahmed Mansour
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Dimensions: |
229 x 152 x 6mm (L x W x T) |
Format: |
Paperback - Trade
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Pages: |
112 |
ISBN-13: |
978-3-639-00420-5 |
Categories: |
Books >
Science & Mathematics >
Biology, life sciences >
General
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LSN: |
3-639-00420-5 |
Barcode: |
9783639004205 |
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