DOI: 10.1046/j.1365-313x.2000.00673.x. Diurnal regulation of Hsp70s in leaf tissue

Diurnal regulation of Hsp70s in leaf tissue

10.1046/j.1365-313x.2000.00673.x

Crossref journal-article

Wiley

The Plant Journal (311)

Abstract

SummarySteady‐state mRNA levels for three Hsp70s were found to be regulated by a distinctive light/dark mechanism in spinach leaves. Messenger RNAs for the chloroplast stromal and two cytosolic forms displayed a diurnal expression pattern under isothermal conditions that appeared to be independent of circadian control. While protein blot data showed relatively constant Hsp70 protein levels, the higher Hsp70 mRNA levels in the light paralleled the diurnal cycle of total cell protein synthesis. Fractionation studies showed that the major cytosolic Hsp70 cognate group was associated with polysomes. Therefore, the variation of Hsp70 mRNAs is consistent with the diurnal metabolic activity of plant photosynthetic cells in which the demand of protein biogenesis for chaperone function and tissue temperature are highest during the day.

Bibliography

Li, Q., Haskell, D., Zhang, C., Sung, D., & Guy, C. (2000). Diurnal regulation of Hsp70s in leaf tissue. The Plant Journal, 21(4), 373â378. Portico.

Authors 5

Qin‐Bao Li (first)
Dale Haskell (additional)
Chun Zhang (additional)
Dong‐Yul Sung (additional)
Charles Guy (additional)

References 35 Referenced 12

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Dates

Type	When
Created	22 years, 5 months ago (March 12, 2003, 4:59 p.m.)
Deposited	1 year, 10 months ago (Oct. 29, 2023, 6:23 a.m.)
Indexed	1 year, 10 months ago (Oct. 30, 2023, 1:10 a.m.)
Issued	25 years, 7 months ago (Feb. 1, 2000)
Published	25 years, 7 months ago (Feb. 1, 2000)
Published Online	23 years, 8 months ago (Dec. 25, 2001)
Published Print	25 years, 7 months ago (Feb. 1, 2000)

Funders 0

None

BibTeX

@article{Li_2000, title={Diurnal regulation of Hsp70s in leaf tissue}, volume={21}, ISSN={1365-313X}, url={http://dx.doi.org/10.1046/j.1365-313x.2000.00673.x}, DOI={10.1046/j.1365-313x.2000.00673.x}, number={4}, journal={The Plant Journal}, publisher={Wiley}, author={Li, Qin‐Bao and Haskell, Dale and Zhang, Chun and Sung, Dong‐Yul and Guy, Charles}, year={2000}, month=feb, pages={373–378} }

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