采用PCR-SSCP技术分析了小尾寒羊肌细胞生成素Myo G基因外显子2和生肌决定基因Myo D 5'侧翼区的多态性,结果表明:Myo D 5'侧翼区在小尾寒羊中检测到2种基因型(BB、AB),BB和AB基因型频率分别为0.975 0和0.025 0,A和B等位基因频...采用PCR-SSCP技术分析了小尾寒羊肌细胞生成素Myo G基因外显子2和生肌决定基因Myo D 5'侧翼区的多态性,结果表明:Myo D 5'侧翼区在小尾寒羊中检测到2种基因型(BB、AB),BB和AB基因型频率分别为0.975 0和0.025 0,A和B等位基因频率分别为0.012 5和0.987 5;小尾寒羊的Myo G外显子2不存在多态性。对Myo D 5'侧翼区的BB基因型测序分析发现,其与牛的Myo D1基因序列(XM_592330.2)相比,发生了2处突变,分别是第960位发生了T→C突变、第972位发生了C→A突变。展开更多
Two title compounds, 4,4?diformyl-diphenoxyethane (compound 1, C16H14O4) and 4,4?4创-triformyl-triphenoxytriethylamine (compound 2, C27H27NO6), were synthesized by condensation of 4-hydroxybenzaldehyde with 1,2-dichlo...Two title compounds, 4,4?diformyl-diphenoxyethane (compound 1, C16H14O4) and 4,4?4创-triformyl-triphenoxytriethylamine (compound 2, C27H27NO6), were synthesized by condensation of 4-hydroxybenzaldehyde with 1,2-dichloroethane and tris(2-chloroethyl)amine, respectively in dimethyl formamide in the presence of anhydrous potassium carbonate. The crystal data are: monoclinic, P21/c, a = 7.571(2), b = 12.608(3), c = 7.357(2) ? b = 105.823(6)? V = 675.7(2) 3, Mr = 270.3, Z = 2, Dc = 1.328 g/cm3, F(000) = 284, m(MoKa) = 0.096 mm-1, R = 0.0537 and wR = 0.2189 for compound 1; and monoclinic, P21/n, a = 11.7162(6), b = 9.0042(6), c = 22.908(2) ? b = 99.505(1)? V = 2383.5(3) ?, Mr = 461.50, Z = 4, Dc = 1.286 g/cm3, F(000)= 976, m(MoKa) = 0.091 mm-1, R = 0.0464 and wR = 0.1462 for compound 2. The molecule of compound 1 (dialdehyde) is located at the crystallographic inversion center nearby the midpoint of C(8)C(8A) single bond. The three chains in the molecule of compound 2 (trialdehyde) are of non-crystallographic pseudo-C3 symmetry, and each of them is quite planar.展开更多
基金the financial support from the National Science and Technology Major Project of China (No. J2019-VI-0004-0117)National Natural Science Foundation of China (No. 51905301)。
文摘采用PCR-SSCP技术分析了小尾寒羊肌细胞生成素Myo G基因外显子2和生肌决定基因Myo D 5'侧翼区的多态性,结果表明:Myo D 5'侧翼区在小尾寒羊中检测到2种基因型(BB、AB),BB和AB基因型频率分别为0.975 0和0.025 0,A和B等位基因频率分别为0.012 5和0.987 5;小尾寒羊的Myo G外显子2不存在多态性。对Myo D 5'侧翼区的BB基因型测序分析发现,其与牛的Myo D1基因序列(XM_592330.2)相比,发生了2处突变,分别是第960位发生了T→C突变、第972位发生了C→A突变。
基金The authors thank the financial support of the Natural Science Foundation of Fujian Province (No. E0110010)
文摘Two title compounds, 4,4?diformyl-diphenoxyethane (compound 1, C16H14O4) and 4,4?4创-triformyl-triphenoxytriethylamine (compound 2, C27H27NO6), were synthesized by condensation of 4-hydroxybenzaldehyde with 1,2-dichloroethane and tris(2-chloroethyl)amine, respectively in dimethyl formamide in the presence of anhydrous potassium carbonate. The crystal data are: monoclinic, P21/c, a = 7.571(2), b = 12.608(3), c = 7.357(2) ? b = 105.823(6)? V = 675.7(2) 3, Mr = 270.3, Z = 2, Dc = 1.328 g/cm3, F(000) = 284, m(MoKa) = 0.096 mm-1, R = 0.0537 and wR = 0.2189 for compound 1; and monoclinic, P21/n, a = 11.7162(6), b = 9.0042(6), c = 22.908(2) ? b = 99.505(1)? V = 2383.5(3) ?, Mr = 461.50, Z = 4, Dc = 1.286 g/cm3, F(000)= 976, m(MoKa) = 0.091 mm-1, R = 0.0464 and wR = 0.1462 for compound 2. The molecule of compound 1 (dialdehyde) is located at the crystallographic inversion center nearby the midpoint of C(8)C(8A) single bond. The three chains in the molecule of compound 2 (trialdehyde) are of non-crystallographic pseudo-C3 symmetry, and each of them is quite planar.