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Hirlhira gene is one of the negative regulators of histone gene expression. It has been confirmed that HIRA contains a conserved family of proteins found in various species including yeast, Drosophila, fish, Xenopus, chicken and mammalian mouse, human.

Hir/hira基因是组蛋白基因表达的负调节因子，其产物包含一组保守的蛋白家族，广泛存在于从酵母、果蝇、鱼、爪蟾、鸡以及到哺乳动物小鼠和人类等多种生物体当中。

The primers of exon 1 and 2 of hircine GDF9 gene were designed on base of the sequence of ovine GDF9 gene.

本研究根据绵羊GDF9基因序列设计引物扩增山羊GDF9基因的外显子1和外显子2。

After cloned and sequenced, the nucleotide of exon 1 of hircine GDF9 gene is 397 bp and is 99%(395 of 397) homologous to sheep. The nucleotide of exon 2 of hircine GDF9 gene is 965 bp and is 98%(955 of 965) homologous to sheep.

克隆测序后连接出山羊GDF9基因的外显子1长度为397bp，与绵羊外显子1的同源性为99%(395/397)，外显子2长度为965bp，与绵羊外显子2的同源性为98%(955/965)。

Hog cholera virus strain shimen ; p23 gene ; p14 gene ; cloning ; sequence analysis and comparison

猪瘟病毒石门株； p23基因； p14基因；克隆；序列分析与比较

The homekeeping gene PO(acidic ribosomal phosphoprotein) is chosen for the endogenous reference gene for our semiquantitative RT-PCR.

研究结果表明：1、山羊腔前卵泡不表达P450arom，但表达P450scc和

The two isolates were more closely related to CTN, with the homogeny of N gene and G gene as 89.1% and 85.6%-85.7% at the nucleotide level, but 97.6%-98.0% and 92.3% at the amino acid level respectively, than to other vaccine strains.

结论2株狂犬病毒是基因1型狂犬病毒，但无论是N基因还是G基因的核苷酸序列，以及推导出来的氨基酸序列与已知的1型狂犬病毒株及疫苗株均有一定的差异。

The two isolates were more homogeneous with CTN among vaccine strains, and the homogeny of N gene and G gene was 89.1% and 85.6-85.7% in nucleotide level, and 97.6-98% and 92.3% in amino acid level respectively.

目的 分析河南省两株狂犬病毒的遗传学特征，了解狂犬病毒的街毒株与人用及兽用狂犬病疫苗株间的差异，为有效控制狂犬病疫情提供科学依据。

Through homologue gene comparison, we identified new exons in human CDYL gene.

本研究通过人，鼠和猪的同源序列比对，鉴定出了人CDYL 基因中新近起源的两个具有编码功能的外显子。

The sgna gene, a synthetical agglutinin gene of Galanthus navies, codes a poisonous protein for Homoptera.

人工合成的雪花莲外源凝集素基因sgna可以编码对同翅目昆虫具有毒杀作用的蛋白。

The frequencies of ESA and ESa alleles were 0.6426 and 0.3574 respectively.③The gene heterozygosity,the number of effective allele and the gene homozygosity index were 0.4593,1.8495 and 0.0814,respectively.

藏羊是青海省的原始绵羊品种之一，具有较强的遗传性、合群性和耐寒性，并且善于登山远牧，对3000～5000m的高海拔地区，有良好的适应能力。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。