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- mRNA丰度mRNA abundance
- GEO(Gene Expression Omnibus)数据库包括高通量实验数据的广泛分类,有单通道和双通道以微阵列为基础的对mRNA丰度的测定; 基因组DNA和蛋白质分子的实验数据;The Gene Expression Omnibus (GEO) database, the first public repository for gene expression data, premiered at National Center for Biotechnology Information(NCBI) in July 2000. The GEO database contains a wide assortment of high-throughput experimental data, including single and dual channel microarray-based experiments measuring the abundance of mRNA, genomic DNA and protein molecules.
- 度standard
- 指出 93 11基因的表达水平 (mRNA丰度 )与 3个同义密码子偏性指标CAI、CPP和ENC相关极显著 (r =0 2 2 7 ,0 14 5 和 - 0 14 7 ) ,表明高表达的基因其同义密码子非随机使用的程度越大 ;The results showed that the gene expression level assessed by mRNA abundance is positive relative to the "codon adaptation index" (CAI,0 227 ?? ),and "codon preference parameter" (CPP,0 145 ?? ),but negative relative to "effective number of codons" (ENC,-0 147 ?? ),indicating that genes with higher expression showed more significant variation in codon usage.
- 丰abundant
- 丰度abundance ratio
- 同位素丰度比isotopic abundance ratio
- 低丰度mRNAlow abundance mRNA
- 浮游桡足类与鱼卵仔鱼的摄食关系决定了其丰度变化影响着鱼卵仔鱼的数量变动。The variation of Changjiang runoff was important influential factors to the distribution of fish eggs and larvae.
- ＣＩ丰度CI abundance
- 地壳丰度crustal abundance
- 同位素丰度fractional isotopic abudance
- 元素的丰度abundance of elements
- 土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
- 元素宇宙丰度cosmic abundance of elements
- 氦丰度He abundance
- 宇宙丰度cosmic abundance
- 物种丰度species abundance
- 种丰度wealth of species
- 柱丰度column abundance
