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| Heat shock proteins (HSPs) have been found to be ubiquitous. More than 70 putative HSP genes were found in rice (Oryza sativa L.), but few of them have been characterized. Expression patterns of nine rice OsHSP genes were analyzed by semi-quantitative RT-PCR. The nine OsHSPs were named OsHSP80.2, OsHSP74.8, OsHSP71.1, OsHSP58.7, OsHSP50.2, OsHSP26.7, OsHSP24.3, OsHSP24.1 and OsHSP16.9 respectively according to their approximate molecular weight. The nine genes showed different expression profiles in roots, leaves, leaf sheaths, spikes and embryos. All nine OsHSP genes were induced strongly by heat shock treatment, whereas none of them were induced by cold. The transcripts of OsHSP80.2, OsHSP71.1 and OsHSP24.3 were increased during salt tress treatment. Expression of OsHSP80.2 and OsHSP24.1 genes were enhanced while treated with 10% PEG. Only OsHSP71.1 was induced by ABA while OsHSP24.1 was inhibited by ABA. |
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| Keywords:heat shock proteins (HSPs), expression patterns, rice, semi-quantitative RT-PCR |
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