| 1. | Analysis of mtdna cyt b gene sequence polymorphism in qinchuan cattle
基因序列多态性分析 |
| 2. | Cytochrome b ( cyt b ) is one of the most widely used molecular markers in animal molecular phylogenetic studies
线粒体蛋白质编码基因细胞色素b ( cytb )是动物分子系统学应用最广泛的分子标记之一。 |
| 3. | Frozen fresh specimens are used in page and pure ethanol humid preparations are used in cyt b gene 433bp sequence analysis
细胞色素b基因序列研究采用无水乙醇浸制标本。对扩增效果好的产物进行提纯和测序。 |
| 4. | 4 . genomic dna was extracted from some animal products provided by nanjing customs . partial mitochrondrial dna cytochrome b ( cyt b ) gene was amplified and sequenced
对南京海关送检的部分动物产品进行基因组dna提取， mtdnacytb基因的中文摘要pcr扩增和序列测定。 |
| 5. | Sequence divergences within these grasshoppers indicate that cyt b is a useful marker at the generic and species level for phylogenetic study , but there is problem at the subfamily level
囚此， cytb基因在对斑翅蝗科科下种属阶元的分类与进化关系研究中，是一个有效的分于标记。 |
| 6. | We have tested 6 allozymic systems , they are per , cyt , sod , es , amy and mdh . there are totally 42 allozymic bands with 15 loci of which 12 are polymorphic and 3 are monomorphic
检测了6个酶系统，它们是：过氧化物酶、细胞色素氧化酶、超氧化物歧化酶、酯酶、淀粉酶、苹果酸脱氢酶。 |
| 7. | So far , achieved studies on calcium in embryo sac of angiosperm mostly located in memebrane - binding calcium and total calcium but little in free cytoplasmic calcium ( [ ca2 + ] cyt )
到目前为止，对植物胚囊中钙的研究也绝大多数局限于总钙和膜钙的的测定，而对于被子植物胚囊内胞质游离钙的研究则几乎是空白。 |
| 8. | The transformation frequency achieved lo ^ cells / ug dna when pseudom onas fluorescent , was grown to 0 . 55 at odr , oo , and incubated for 2 minutes at 42 xh prior to treatment with 25mmol / l cacl2
获得克隆子lzng -一20a和lzr19一20a .在iptg诱导下，不管插人的尸2叹基因是正向还是反向，都能保护cyt人蛋白对大肠杆菌的致死作用 |
| 9. | 6 . we examined the mode and tempo of evolution of cyt b in oedipodidae . for these grasshoppers , the most common amino acids and codons are leucine ( tta ) , isoleucine ( att ) and phenylalanine ( ttt )
运用cytb基囚的核’苦酸序列对斑翅蝗科昆虫进行系统研穴时，各属种问的分类关系都比较明确，得到的树的拓扑结构大都一致。 |
| 10. | Molecular systematics of partial species belonging to 5 subfamilies of miridae are investigated in this study by using esterase isozyme ( est ) and cytochrome b ( cyt b ) gene in mitochondrial dna as molecular marks
运用酯酶同工酶和线粒体dna中编码细胞色素b蛋白质的基因cytb作为分子标记，对盲蝽科miridae的5个亚科的部分种类进行了分子系统学研究。 |
