V2EX qtl

QTL

释义 Definition

QTLquantitative trait locus 的缩写,指“数量性状位点”:在基因组上与某个数量性状(如身高、产量、抗病性等,通常由多个基因和环境共同影响)变异相关的一段 DNA 区域。

发音 Pronunciation

/kju ti l/

例句 Examples

We identified a QTL for plant height.
我们鉴定出了一个与植株高度相关的数量性状位点(QTL)。

Using a genome-wide scan, the researchers mapped several QTLs that jointly influence drought tolerance across different environments.
通过全基因组扫描,研究人员定位了多个 QTL,这些位点共同影响不同环境下的抗旱性。

词源 Etymology

QTL 来自遗传学与育种学术语 quantitative trait locus 的首字母缩写:quantitative(数量的)+ trait(性状)+ locus(位点)。该概念常用于描述“并非单一基因决定”的复杂性状背后的遗传贡献区域。

相关词 Related Words

文献与作品 Literary Works

  • Eric S. Lander & David Botstein (1989), Mapping Mendelian factors underlying quantitative traits using RFLP linkage maps(提出并推广了用连锁图谱定位数量性状相关遗传因子的经典方法,QTL 研究的重要早期文献)
  • Trudy F. C. Mackay (2001), The genetic architecture of quantitative traits(综述数量性状遗传结构,常讨论 QTL 的定位与效应)
  • Michael E. Lynch & Bruce Walsh, Genetics and Analysis of Quantitative Traits(数量遗传学经典教材,系统讲解 QTL 等概念与方法)
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