Differential expression analysis of different albescent stages of 'Anji Baicha' (Camellia sinensis (L.) O. Kuntze) using cDNA microarray
文献类型: 外文期刊
第一作者: Ma, Chun-Lei
作者: Ma, Chun-Lei;Chen, Liang;Wang, Xin-Chao;Jin, Ji-Qiang;Ma, Jian-Qiang;Yao, Ming-Zhe;Wang, Zhi-Lan
作者机构:
关键词: Albino mutant;cDNA microarray;Gene expression profile;Tea plant
期刊名称:SCIENTIA HORTICULTURAE ( 影响因子:3.463; 五年影响因子:3.672 )
ISSN: 0304-4238
年卷期: 2012 年 148 卷
页码:
收录情况: SCI
摘要: Tea cultivar 'Anji Baicha' is a special green-revertible albino mutant and is widely cultivated in China for producing high price, high quality green tea with jade color, high aroma and nice taste. However, the molecular mechanism of the albino mutation is still unclear until now. The first tea plant cDNA microarray with 4866 clones was developed to analyze gene expression profiling of different albescent stages. A total of 671 differentially expressed genes at different albescent stages were found via the microarray analysis, which could be grouped into five clusters. The corresponding genes were involved in energy metabolism, carbon fixation, cell expansion, secondary metabolism, plant growth and defence, and other physiological processes including protein, nucleotide synthesis, etc. Particularly, some differentially expressed genes encoding important catalyzing enzymes or regulatory proteins which took part in chlorophyll biosynthesis or chloroplast development were identified. Some candidate genes possibly related to the albino process were further analyzed by using real-time PCR. The present study gave some useful clues for genes worthy of further understanding the albino phenotype of 'Anji Baicha' and also provided a model for utilization of the microarray technology in the tea plant. (c) 2012 Elsevier B.V. All rights reserved.
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