2000
DOI: 10.1105/tpc.12.4.479
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Abstract: Plants are sessile organisms, and their ability to adapt to stress is crucial for survival in natural environments. Many observations suggest a relationship between stress tolerance and heat shock proteins (HSPs) in plants, but the roles of individual HSPs are poorly characterized. We report that transgenic Arabidopsis plants expressing less than usual amounts of HSP101, a result of either antisense inhibition or cosuppression, grew at normal rates but had a severely diminished capacity to acquire heat toleran… Show more

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Cited by 599 publications
(368 citation statements)
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“…PCC 6803. This agrees with the observation that in most eukaryotes, Hsp70s (the DnaK homologues) are represented by a multigene family in which the different family members are differentially expressed (Lindquist & Craig, 1988;Queitsch et al, 2000).…”
Section: Discussionsupporting
confidence: 80%
“…PCC 6803. This agrees with the observation that in most eukaryotes, Hsp70s (the DnaK homologues) are represented by a multigene family in which the different family members are differentially expressed (Lindquist & Craig, 1988;Queitsch et al, 2000).…”
Section: Discussionsupporting
confidence: 80%
“…In addition, transcripts of maize hsp101 also were upregulated in emp2 kernels at 16 DAP. Unlike hsp70 and dnaj, which are upregulated at the onset of heat shock, hsp101 was upregulated only after extended thermal stress (Queitsch et al, 2000). Thus, the overaccumulation of hsp101 transcripts indicates that emp2 mutant kernels are unable to attenuate the HSR.…”
Section: Emp2 Mutant Embryos Exhibit An Unattenuated Hsrmentioning
confidence: 89%
“…Certain members of plant SHSPs are concerned with stabilization or reactivation of inactivated enzymes and overexpression studies have conferred stress tolerance in the transgenics. Expression of HSP101 (Queitsch et al, 2000;Katiyar-Agarwal et al, 2003), HSP17.6A (Sun et al, 2001) and antisense expression of HSP70 (Lee and Schoffl, 1996) in plants has been accomplished resulting in enhanced thermotolerance. Overexpression of DNAK1, an HSP70 member from the halotolerant Cyanobacterium aphanothece, in the cytosol of transgenic tobacco plants bestowed salt tolerance (Sugino et al, 1999).…”
Section: Hsp's As a Molecular Chaperonementioning
confidence: 99%