一种是自体同源趋化作用(Autologous chemotaxis)，其发生于低细胞密度情形或CCR7受体变得有活性。
One is autologous chemotaxis, which occurs in low-cell-density situations or when the CCR7 receptor becomes activated.
此文对同源盒基因在胃肠道发育及胃肠道肿瘤发生中的作用作一综述。
This paper focus on the role of the homeobox gene in gastrointestinal development and tumorigenesis.
从发生学的角度来说，狂欢节与戏剧是同源的，因此二者在思想上不可避免地有着某些关联。
Carnival and play are inevitably connected with each other in what they try to express due to their Shared origin.
由于其与骨形态发生蛋白1 (BMP - 1)在结构和功能上具有高度的同源性，因而也属于BMP - 1类分子。
This protein is highly homologous to morphogenetic protein-1 (BMP-1) in terms of both structure and function, thus belonging to BMP-like protease.
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。
Deletion of nucleotides, filler sequences and microhomology were found at junction of rearranged T-DNAs.
不同亚型间的埃博拉病毒的氨基酸序列同源性较差。结论埃博拉病毒糖蛋白的氨基酸序列比较保守，不易发生变异。
But the amino acid sequences of different subtypes weren't highly homologous. Conclusion amino acid sequences of glycoprotein of Ebola virus are conservative.
以同源性在70%以上的6组同源蛋白为材料，从系统发生的角度研究发生在四倍简并位点上的转换和颠换的关系。
The relationship of transition and transversion of base change in 4-fold degenerate sites of coding genes of 6 proteins, which showed 70% homology in wmposition investigated.
指holliday交叉的移动，它会引起同源染色体不同区段之间发生杂交。
The movement of a Holliday junction that causes different hybridizations between the homologous chromosomes.
这项研究报告的一些重要证据表明A型流感病毒同源重组在人类和猪的谱系中发生。
This study reports several significant evidence demonstrating that homologous recombination also takes place between influenza a viruses in human and swine lineages.
允许用户在脊椎动物物种间选择数列同源性基因，然后显示多序列联配和系统发生树。
It allows one to select sets of homologous genes among vertebrate species, and to visualize multiple alignments and phylogenetic trees.
对BDV阳性产物进行基因序列测定、同源性和氨基酸顺序分析，绘制系统发生树，初探bdv感染的分子流行病学特征。
Further, the gene sequence and amino acid sequence for BDV positive product were analyzed to establish the molecular epidemiologic characteristic by drawing phylogenetic tress.
对BDV阳性产物进行基因序列测定、同源性和氨基酸顺序分析，绘制系统发生树，初探bdv感染的分子流行病学特征。
Further, the gene sequence and amino acid sequence for BDV positive product were analyzed to establish the molecular epidemiologic characteristic by drawing phylogenetic tress.
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