J Integr Plant Biol. ›› 1995, Vol. 37 ›› Issue (7): -.
• Research Articles •
You Li-ru, Xie Ming, Qu Li-jia, Liang Xiao-wen, Gu Hong-ya and Chen Zhang-liang
Abstract: Using PCR technique, two prolamin genes from Oryza sativa var. indica (cv. Guanglu′ ai) and O. sativa var. japonica (cv. Zhonghua 8) were amplified and cloned. The prolamin gene contained 525 base pairs and encoded 134 amino acid residues. The two genes cloned from two different rice cultivars exhibited 100% homology and were highly homologous with the 10 kD prolamin gene in other rice species amountin an homology ranging from 96.6% to 100%. The deduced amino acid sequence shared 34.2% homology with that of maize 10 kD prolamin. As for dicots, only two types of storage protein shared some homology with rice 10 kD prolamin. One was from Brazil nut and the other from castor bean. Analysis on the signal peptide of rice 10 kD prolamin showed that it shared higher homology with that of storage proteins in some monocots such as maize, sorghum and oat. No similar sequence was found in dicots. The gene sequences of "Guangluai” and "Zhonghua 8” 10 kD prolamin would appear in EMBL data-base under the accession number L36604 and L36605 respectively.
Key words: 10 kD prolamin gene, PCR amplification, Molecular cloning, Sequence analysis and comparison
You Li-ru, Xie Ming, Qu Li-jia, Liang Xiao-wen, Gu Hong-ya and Chen Zhang-liang. Molecular Cloning and Sequence Analysis of a Gene Encoding Rice 10 kD Prolamin[J]. J Integr Plant Biol., 1995, 37(7): -.
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