细胞发生

Before fissuration, osmotic adjustment occurred by the addition of solute to cells and decreasing the loss of water in the body, so that it could maintain normal turgor pressure during drought. After fissurate growth, turgor pressure was maintained by higher cell and tissue elasticity lower ε(superscript max and by osmotic adjustment for normal plant development in dry conditions and to avoid dehydration under water stress during the drought period, but it also became more sensitive to water stress. The ability to maintain turgor pressure varied from strong to weak during the period before, during and after fissuration. Fissurate growth decreased the ability of P. mongolica to maintain turgor pressure and led to changes in walls related to drought tolerance.

结果表明：1未劈裂绵刺主要通过增加细胞内溶质，减少细胞内的水分丧失来进行渗透调节，从而在干旱胁迫下能够维持正常的膨压。2己劈裂绵刺通过渗透调节和高的组织弹性两条途径来共同保持膨压，以抵抗不良的生存环境；同时对环境水分胁迫具有较高的敏感性。33种状态绵刺保持膨压的能力由强到弱依次为：未劈裂绵刺、正在劈裂绵刺、已劈裂绵刺。4劈裂的发生导致绵刺保持膨压能力的降低，同时耐旱方式和途径发生了变化。

This process, called vasculogenesis ,involves the de novo differentiation of endothelial cell from mesodermal precursor to form the primitive blood vessel network.

血管生成是指在胚胎发生和器官形成过程中，从中胚层内皮细胞中分化出新的内皮细胞以形成原始血管网的过程，仅见于胚胎发生的早期，出生后即停止。

Despite of its important role during embryogenesis and reproductive development,more and more studies implied a critical role for Rhox5 on the determination and differentiation during myogenesis.

除在生殖系统的发育、精子的形成和成熟过程中发挥重要的作用外，多项研究表明其在肌细胞的发生和分化中担任重要角色，有可能作为MyoD基因的上游调控子或者和其他转录因子协同作用，调控肌细胞的早期发生和分化事件。

Oncosis has an important role in tumorigenesis,and making its role clear may help us understand the anti-tumor research.

细胞胀亡在肿瘤发生、发展过程中具有重要作用，明确细胞胀亡在肿瘤发生、发展过程中的作用将有助于抗肿瘤研究的深入。

Erve growth factor can combine with its" receptor (one of tyrosine protein kinase receptor coded by proto - oncogene tyrosine kinase, TrkA), Causing the molecule of receptors to gather on the cell surface, and the tyrosine protein in cytoplasmic domain may be activated, three tyrosine base in the kinase domain of its" receptor and two tyrosine base at other domain be phosphated, thus, phosphated tyrosine receptor kinase became the bracket which absorb all kinds of connective proteins and kinases.

GF与其酪氨酸受体激酶受体(由原癌基因trk编码的一种酪氨酸蛋白激酶受体，TrkA)相结合，引起受体分子在细胞表面发生二聚体化，然后受体细胞内结构上酪氨酸活性被激活，使受体自身结构中位于激酶结构域的三个酪氨酸残基及在此结构域外的两个酪氨酸残基发生自身磷酸化，这样，磷酸化的酪氨酸受体激酶A便成为吸收各种连接蛋白质和酶的支架。

All the transfected and un-transfected rMSCs were attached to Allo-DBMs. These new biomaterials were implanted in muscle bags and segmental radius defects of the New Zealand white rabbits, and some controlled material groups were established for comparison. All the biomaterials and the controlled materials were assessed by gross observation, radiographical and histological methods.

取兔自体骨髓基质细胞培养扩增，用脂质体介导的方法转染人骨发生蛋白2基因，将转染和未转染人骨发生蛋白2基因的自体骨髓基质细胞附和于异体兔脱钙骨基质形成新的生物植骨材料，连同空白及单纯脱钙骨基质对照组植入兔前肢肌袋和桡骨缺损。2、4、6、8周分别取材进行大体，放射线和病理观察。

Sinensis could be divided into 5 stages, includi ng t he spermospore proliferation stage, the primary spermatocyte stage, the secondar y spermatocyte stage, the spermateliosis stage and the spermiotiliosis stage.

在整个精子发生过程中，N-乙酰半乳糖复合物出现于精原细胞期，并于精母细胞期发生明显的修饰和变化，精子形成期和成熟期没有N-乙酰半乳糖复合物的表达。

Mouse zygotic genome is activated at the two-cell stage which implies that embryonic development is transferred from the oocyte itself to the embryo.

在小鼠胚胎发育研究中发现，小鼠的基因组激活发生在2细胞期，这一时期标志着合子的发育由卵母细胞控制向胚胎控制的过渡，期间发生一系列复杂的生化过程。

In the female, ER was distributed in the nucleus of oogonia cytoplasm and membrane of early primary oocytes.

因此，可以认为雌性激素ER结合唤醒了&休眠&的卵原细胞和精原细胞，细胞核发生一系列成熟分裂期的变化，从而启动了卵子和精子发生的开始。

Expression patterns of genes differentially expressed in starch metabolism and cell cycle during endosperm development7 DAP kernals, 15 DAP endosperms and 25 DAP endosperms of B73, ae/wx and sh1 were used to study the expression patterns of 18 differentially expressed genes in sugar metabolism and 9 differentially expressed genes in cell cycle. We found that the expression patterns of Pul, SBEⅡa, UGPase, SUS3, SSⅡa in sh1 and Sh2-1, SUS3, SSⅡa in ae/wx were altered, revealing that these genes may interact with each other.

碳水化合物代谢基因和细胞周期基因随胚乳发育的变化以B73、ae/wx、sh1授粉后7天种子、15天和25天胚乳为材料，分析18个糖代谢差异基因和9个细胞周期调节相关的差异基因的表达模式，研究发现sh1突变体中Pul、SBEⅡa、UGPase、SUS3和SSⅡa基因表达模式发生改变，ae/wx突变体中Sh2-1、SUS3和SSⅡa基因表达模式发生改变，揭示了突变体对这些基因的巨大影响，反映了它们可能存在相互作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。