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Thediffereneeinproteincontent,MDH,PODandCODisozymesduringrootdifferentdevelopmentalstagesinlowlandriceanduplandrice

DOI: 10.7668/hbnxb.1993.S2.004, PP. 21-27

Keywords: uplandrice,lowlandrice,cytochromeoxidaseisozyme,polyacrylamidegelelec-trophoresis,droughttolerance

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Abstract:

Thedifferenceinproteincontent,MDH,PODandCODisozymeshavebeenseenbetweenlowlandricerootsanduplandricerootsduringrootgrowthanddevelopment.Highpro-teincontenthasbeenexaminedinuplandriceroots,butisozymebandsinlowlandricerootsaremorethanthatinuplandriceroots.TotalareaofPODisozymebandsatseedlingandtilleringstagesofuplandriceislargerthanthatoflowlandrice.ThePODisozymeszymogramintherootofuplandriceismorestablecomparedwiththatoflowlandrice.MoreCODisozymenumbershavebeenshowedinrootsofuplandrice,buttherelativeactivityofCODisozymeinrootsofup-landriceattheseedlingandtilleringstagesislowerthanthatoflowlandrice.COD7bandcanbeshowninuplandricerootatfloweringstage,butitisabsentinlowlandrice.Therefore,COD7,bandcanbetakenasanindexforresistanceoftheuplandricetodroughtenvironment.

References

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