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- mRNA豐度mRNA abundance
- GEO(Gene Expression Omnibus)數據庫包括高通量實(shí)驗數據的廣泛分類(lèi),有單通道和雙通道以微陣列為基礎的對mRNA豐度的測定; 基因組DNA和蛋白質(zhì)分子的實(shí)驗數據;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基因的表達水平 (mRNA豐度 )與 3個(gè)同義密碼子偏性指標CAI、CPP和ENC相關(guān)極顯著(zhù) (r =0 2 2 7 ,0 14 5 和 - 0 14 7 ) ,表明高表達的基因其同義密碼子非隨機使用的程度越大 ;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.
- 豐abundant
- 豐度abundance ratio
- 同位素豐度比isotopic abundance ratio
- 低豐度mRNAlow abundance mRNA
- 浮游橈足類(lèi)與魚(yú)卵仔魚(yú)的攝食關(guān)系決定了其豐度變化影響著(zhù)魚(yú)卵仔魚(yú)的數量變動(dòng)。The variation of Changjiang runoff was important influential factors to the distribution of fish eggs and larvae.
- ＣＩ豐度CI abundance
- 地殼豐度crustal abundance
- 同位素豐度fractional isotopic abudance
- 元素的豐度abundance of elements
- 土壤生態(tài)系統中水分和養分的豐度和有效性決定土壤的肥力。The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
- 元素宇宙豐度cosmic abundance of elements
- 氦豐度He abundance
- 宇宙豐度cosmic abundance
- 物種豐度species abundance
- 種豐度wealth of species
- 柱豐度column abundance
