为了探究脂肪量和肥胖相关(fat mass and obesity associated,FTO)基因多态性及其对鸡屠体性状和生长性状的影响,试验采用DNA测序检测鸡FTO基因编码区的单核苷酸多态性(SNP),并采用一般线性模型中的LSD法分析FTO基因多态性对和盈黑鸡屠...为了探究脂肪量和肥胖相关(fat mass and obesity associated,FTO)基因多态性及其对鸡屠体性状和生长性状的影响,试验采用DNA测序检测鸡FTO基因编码区的单核苷酸多态性(SNP),并采用一般线性模型中的LSD法分析FTO基因多态性对和盈黑鸡屠体性状和生长性状的影响。结果表明:在FTO基因第5外显子和第7外显子上各检测到一个SNP位点,分别为g.57337C>A和g.64757T>G突变。g.57337C>A突变形成AA、AB和BB 3种基因型,g.64757T>G突变形成TT、TG和GG 3种基因型。g.57337C>A位点对和盈黑鸡屠体重、宰前活重、头重、胸肌重、腿肌重上、肝脏重、心脏重7个屠体性状有显著或极显著影响(P<0.05或P<0.01),对8,10,16周龄体重影响显著(P<0.05)。g.64757T>G位点对和盈黑鸡宰前活重、全净膛重、半净膛重、屠体重和翅重5个屠体性状有显著影响(P<0.05),对16周龄体重影响显著(P<0.05)。说明FTO基因g.57337C>A和g.64757T>G位点可作为和盈黑鸡屠体性状和生长性状遗传改良的重要候选分子标记。展开更多
Gas-phase HeI ultraviolet photoelectron spectra of m-dicyanobenzelle, P dicyanobenzene and 1,2,4,5-tetracyanobenzene are given in this paper. Photoelectronspectra are assigned using MNDO molecular orbital calculation ...Gas-phase HeI ultraviolet photoelectron spectra of m-dicyanobenzelle, P dicyanobenzene and 1,2,4,5-tetracyanobenzene are given in this paper. Photoelectronspectra are assigned using MNDO molecular orbital calculation and correlation analysisfor benzene and each cyanobenzene. It may be pointed out that there is some effect of thesubstituted position and numbers of -CN group on the relative ordering levels, splittingsand the levels of the two orbitals splitted by elg(π) of benzene.展开更多
文摘为了探究脂肪量和肥胖相关(fat mass and obesity associated,FTO)基因多态性及其对鸡屠体性状和生长性状的影响,试验采用DNA测序检测鸡FTO基因编码区的单核苷酸多态性(SNP),并采用一般线性模型中的LSD法分析FTO基因多态性对和盈黑鸡屠体性状和生长性状的影响。结果表明:在FTO基因第5外显子和第7外显子上各检测到一个SNP位点,分别为g.57337C>A和g.64757T>G突变。g.57337C>A突变形成AA、AB和BB 3种基因型,g.64757T>G突变形成TT、TG和GG 3种基因型。g.57337C>A位点对和盈黑鸡屠体重、宰前活重、头重、胸肌重、腿肌重上、肝脏重、心脏重7个屠体性状有显著或极显著影响(P<0.05或P<0.01),对8,10,16周龄体重影响显著(P<0.05)。g.64757T>G位点对和盈黑鸡宰前活重、全净膛重、半净膛重、屠体重和翅重5个屠体性状有显著影响(P<0.05),对16周龄体重影响显著(P<0.05)。说明FTO基因g.57337C>A和g.64757T>G位点可作为和盈黑鸡屠体性状和生长性状遗传改良的重要候选分子标记。
文摘Gas-phase HeI ultraviolet photoelectron spectra of m-dicyanobenzelle, P dicyanobenzene and 1,2,4,5-tetracyanobenzene are given in this paper. Photoelectronspectra are assigned using MNDO molecular orbital calculation and correlation analysisfor benzene and each cyanobenzene. It may be pointed out that there is some effect of thesubstituted position and numbers of -CN group on the relative ordering levels, splittingsand the levels of the two orbitals splitted by elg(π) of benzene.