HBV gene was examined in the genome of DNAs from larvae of housefly by PCR.
背景与目的：探讨人乙肝病毒基因能否整合在家蝇基因组中。
Deletion of nucleotides, filler sequences and microhomology were found at junction of rearranged T-DNAs.
在发生重排的T-DNA之间除了碱基缺失外，还发现存在填充序列和微同源序列。
The DNAs in the agarose gel then were transfered to positively charged nylon membrane by capillary transfer.
用毛细转移法将凝胶上的DNA转移至正电荷尼龙膜上。
In this study Chinese autumn soybean were used as materials, and their genomic DNAs were analyzed with SSR markers.
选择中国秋大豆为试验材料，对基因组dna进行SSR标记筛选和鉴定。
The present invention also provides methods of screening for antimalarial drugs which use the degenerate mutant DNAs.
本发明还提供了利用该简并突变体d NA筛选抗疟药物的方法。
Methods: The PCR technique in which the primers were used as template each other was adopted to obtain the foreign DNAs for Cloning.
方法：以引物互为模板的聚合酶链反应合成目的基因片段。
These phage DNAs are in pairwise combinations and divided into two groups-with or without carrier DNA during the process of cotransfection.
比较其转化效率，结果基因组DNA转化率大于基因两个片段的共转化率，更大于不加携带者DNA的共转化率。
Polypeptides controlling phosphoric acid metabolism, calcium metabolism, calcification and vitamin D metabolism and DNAs encoding the same.
调节磷酸代谢，钙代谢，钙化和维生素D代谢的多肽及其编码DNA。
Aim: To clone the cross-intron genomic DNAs of the duplicated carbonic anhydrase (DCA1) and carbonic anhydrase (CA1) genes from Dunaliella salina.
目的：克隆杜氏盐藻双拷贝碳酸酐酶(DCA1)和碳酸酐酶(CA1)基因跨内含子基因组dna序列。
Qualified DNA could be obtained from Litsea coreana var. lanuginose by means of the improved SDS method. The DNAs are qualified for RAPD analysis.
结果表明，采用改良SDS法从毛豹皮樟的老、幼叶片中都能提取到高质量的DNA，可以用于RAPD分析；
The total DNAs of fish oil, fish oil added with bovine DNA, fish oil added with goat DNA and butter were extracted by guanidine isothiocyanate method.
用异硫氰酸胍法提取鱼油、加入牛肉DNA的鱼油、加入山羊肉DNA的鱼油和牛油中的DNA。
The distribution of repetitive DNAs along chromosomes is one of the crucial elements for understanding the organization and the evolution of plant genomes.
重复DNA沿染色体的分布是认识植物基因组的组织和进化的要素之一。
The present invention also provides degenerate mutant DNAs encoding proteins involved in GPI biosynthesis, and which have a lower AT content than the original DNAs.
本发明还提供了编码参有GPI生物合成的蛋 白的简并突变体DNA，该DNA比天然DNA具有更低的AT含量。
The results show that the fluorescence spectra of four TPM dyes can be used to discriminate intramolecular G-quadruplexes from intermolecular G-quadruplexes, single-and double-stranded DNAs.
结果表明四种TPM染料的荧光光谱可用于区分分子内G-四链体和分子间G-四链体、单链和双链DNA。
Methods DNAs were extracted from the white blood cells of people in Hainan by salt-out method. Polymerase chain reaction and restriction endonuclease was used to determine the 4533G/A polymorphism.
方法用盐提取法提取人群中白细胞的DNA，以聚合酶链反应、限制性内切核酸酶检测-4533G/A多态性。
Plasmid DNAs were prepared by alkali lysis and purified with polyethylene glycol 8000. Restriction enzyme analysis show that both genes are well-constructed suitable for transgenic animal experiment.
限制性酶切图谱分析证实这两个基因的结构是完整的，符合转基因实验要求。
Plasmid DNAs were prepared by alkali lysis and purified with polyethylene glycol 8000. Restriction enzyme analysis show that both genes are well-constructed suitable for transgenic animal experiment.
限制性酶切图谱分析证实这两个基因的结构是完整的，符合转基因实验要求。
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