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| Publication Type:
| Refereed |
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| Author(s): | Park, Sang- Youl;
Chang, Kung- Ching;
Shivaji, Renuka;
Luthe, Dawn S. |
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| Title: | Recovery from heat shock in heat-tolerant and nontolerant variants of creeping bentgrass |
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| Source: | Plant Physiology. Vol. 115, No. 1, September 1997, p. 229-240. |
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| Publishing Information: | Rockville, MD: American Society of Plant Physiologists |
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| # of Pages: | 12 |
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| Keywords: | TIC Keywords: Heat; Agrostis stolonifera; Heat recovery; Heat shock proteins; Temperature stress; Heat resistance
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "Recovery from the heat-shock response was tested in heat-tolerant (selected bentgrass [SB]) and nontolerant (nonselected bentgrass [NSB]) variants of creeping bentgrass (Agrostis palustris Huds.) SB increased incorporation of radioactive amino acids into protein 2 h earlier than NSB when leaf blades were incubated at the recovery temperature following heat shock. Electrophoresis indicated that heat-shock protein (HSP) synthesis decreased and normal protein synthesis increased at 4 h in SB and at 6 to 8 h in NSB. Increased synthesis of normal proteins was not due to increased abundance of normal mRNAs, which were equivalent in SB and NSB at 4 h. But at 4 h, more of the normal mRNA population was associated with polysomes in SB than in NSB. The decreased synthesis of HSPs appeared to be correlated with decreased mRNA abundance. But at 4 h, some of the HSP18 and mRNA may have been associated with heat-shock granules in SB. Synthesis of HSP25 continued through the 8-h recovery in both variants. Although the abundance of HSP25 was equivalent in SB and NSB during heat shock and recovery, more HSP25 mRNA was associated with polysomes in SB than in NSB." |
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| Language: | English |
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| References: | 33 |
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| Note: | Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Shivaji, R., and D. S. Luthe. 1997. Recovery from heat shock in heat-tolerant and nontolerant variants of creeping bentgrass. Plant Physiol. 115(1):p. 229-240. |
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