| http://purl.uniprot.org/citations/19819927 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/19819927 | http://www.w3.org/2000/01/rdf-schema#comment | "Oryza meridionalis Ng. is a wild relative of Oryza sativa L. found throughout northern Australia where temperatures regularly exceed 35 degrees C in the monsoon growing season. Heat tolerance in O. meridionalis was established by comparing leaf elongation and photosynthetic rates at 45 degrees C with plants maintained at 27 degrees C. By comparison with O. sativa ssp. japonica cv. Amaroo, O. meridionalis was heat tolerant. Elongation rates of the third leaf of O. meridionalis declined by 47% over 24 h at 45 degrees C compared with a 91% decrease for O. sativa. Net photosynthesis was significantly higher in O. sativa at 27 degrees C whereas the two species had the same assimilation rates at 45 degrees C. The leaf proteome and expression levels of individual heat-responsive genes provided insight into the heat response of O. meridionalis. After 24 h of heat exposure, many enzymes involved in the Calvin Cycle were more abundant, while mRNA of their genes generally decreased. Ferredoxin-NADP(H) oxidoreductase, a key enzyme in photosynthetic electron transport had both reduced abundance and gene expression, suggesting light reactions were highly susceptible to heat stress. Rubisco activase was strongly up-regulated after 24 h of heat, with the large isoform having the largest relative increase in protein abundance and a significant increase in gene expression. The protective proteins Cpn60, Hsp90, and Hsp70 all increased in both protein abundance and gene expression. A thiamine biosynthesis protein (THI1), previously shown to act protectively against stress, increased in abundance during heat, even as thiamine levels fell in O. meridionalis."xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.org/dc/terms/identifier | "doi:10.1093/jxb/erp294"xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/author | "Haynes P.A."xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/author | "Atwell B.J."xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/author | "Scafaro A.P."xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/date | "2010"xsd:gYear |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/name | "J Exp Bot"xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/pages | "191-202"xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/title | "Physiological and molecular changes in Oryza meridionalis Ng., a heat-tolerant species of wild rice."xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://purl.uniprot.org/core/volume | "61"xsd:string |
| http://purl.uniprot.org/citations/19819927 | http://www.w3.org/2004/02/skos/core#exactMatch | http://purl.uniprot.org/pubmed/19819927 |
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