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Rohini Garg 《Biochemical and biophysical research communications》2010,396(2):283-288
The real-time polymerase chain reaction (PCR) data requires normalization with an internal control gene expressed at constant levels under all the experimental conditions being analyzed for accurate and reliable gene expression results. In this study, the expression of 12 candidate internal control genes, including ACT1, EF1α, GAPDH, IF4a, TUB6, UBC, UBQ5, UBQ10, 18SrRNA, 25SrRNA, GRX and HSP90, in a diverse set of 18 tissue samples representing different organs/developmental stages and stress conditions in chickpea (Cicer arietinum L.) has been validated. Their expression levels vary considerably in various tissue samples analyzed. The expression levels of EF1α and HSP90 are most constant across various organs/developmental stages analyzed. Similarly, the expression levels of IF4a and GAPDH are most constant across various stress conditions. A set of two most stable genes is found sufficient for accurate and reliable normalization of real-time PCR data in the given set of tissue samples of chickpea. The genes with most constant expression identified in this study should be useful for normalization of gene expression data in a wide variety of tissue samples in chickpea. 相似文献
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MicroRNAs are small non-coding regulatory RNA molecules that play an important role in the modulation of gene expression during various environmental stresses. Pseudomonas putida RA, a plant growth promoting rhizobacteria (PGPR) colonizes the root surface of plants improving their growth and development during abiotic stresses modulating the expression of stress-responsive genes; however, the impact of RA on stress responsive-miRNA remains elusive. The present study was an attempt to delineate the role of PGPR in modulating stress responsive-miRNAs in a tolerant desi chickpea genotype exposed to drought and salt stresses. The existence of variable expression patterns of individual miRNAs and their target genes under these stresses at different time points indicate a distinct miRNA-mediated perception and response mechanisms operating under these stresses in the presence or absence of RA in chickpea. 相似文献
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Genome organization and characteristics of soybean microRNAs 总被引:3,自引:0,他引:3
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Anirban Bhar Moniya Chatterjee Sumanti Gupta Sampa Das 《Plant Molecular Biology Reporter》2018,36(2):162-175
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抗细胞凋亡基因(DAD)是一个高度保守的细胞凋亡抑制基因,在植物生长发育中承担重要功能。为全面了解DAD基因在种子植物中的分布和演化规律,该文利用31种植物的全基因组数据,通过生物信息学手段,深入探讨和分析了不同植物类群中DAD基因的拷贝数目、基因结构和染色体定位,并综合另外7种裸子植物的转录组数据探讨了其在种子植物中的演化趋势。结果表明,DAD基因属于低拷贝基因,在不同种子植物中只具有1–3个拷贝;不同DAD基因编码的氨基酸长度在108–170 aa之间变动。同线性和系统发育分析进一步表明,种子植物DAD基因的演化具有明显的谱系特异性。随机复制和染色体大片段复制及其随后的基因丢失可能是其维持低拷贝的重要方式。 相似文献
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