体细胞胚胎诱导率最高为25%。
以杂交鹅掌楸幼胚为外植体，进行体细胞胚胎发生研究。
Somatic embryogenesis was successfully done in Liriodendron hybrids with the immature zygotic embryos as explants.
液体悬浮培养是一品红体细胞胚胎高频发生的中间步骤。
Suspension culture was regarded as a intermediate step to promote embryo production.
茎尖和花序分别以器官发生和体细胞胚胎发生方式再生植株。
Shoot apices and inflorescence respectively regeneratebamboo plantlets by means of organogenesis and embryogenesis.
本文对木本植物体细胞胚胎发生及植株再生的研究现状进行了论述。
This paper deal with the expounding the present research of somatic embryogenesis of woody plants and their plantlet regenerations.
在英国纽卡斯尔大学培育出来的这些单细胞胚胎，在数天内就被依法销毁。
The one-celled embryos, created at the University of Newcastle, were destroyed within days, as required by law.
体细胞胚胎可在不含植物生长调节剂的MS固体培养基上形成正常植株。
Somatic embryos were developed to normal seedlings when subcultured on MS medium without plant growth regulators.
植物体细胞胚胎发生的研究已经取得了很大的进展，但是也依然存在许多问题。
A great progress has been made in the study of plant somatic embryogenesis, but there still are many problems to be solved.
因此，我们需要一种替代材料，一种可以再生的材料，我们注意到了胚胎干细胞胚胎干细胞。
So we needed to come up with another source, a renewable source, so we turned our attention to embryonic stem cells.
总结了影响栎属植物体细胞胚胎发生的主要可控因素及体细胞胚的遗传变异，组织学研究现状。
This paper summarizes the research progress of the factors involved in controlling the process of oak somatic embryogenesis, as well as the genetic variation and histology at present.
着床前检查一般要从一个称为胚泡的8细胞胚胎中取出1个或更多细胞，该过程也存在一定风险。
There are risks involved with preimplantation testing, which generally involves removal of one or more cells from an eight-cell embryo called a blastocyst.
ABA在提高体细胞胚胎发生频率和质量上具有重要作用，同时，外源与内源aba对体细胞胚胎发生起相互促进作用。
ABA has an important effect to improving the frequency and quality of somatic embryogenesis. Meanwhile, the exogenous and endogenous ABA have mutual promoted effects for somatic embryogenesis.
对棉花体细胞胚胎发生和植株再生基因型范围的拓宽进行了研究，有望得到丰产抗病棉花品种农大94 - 7的胚性愈伤组织。
To broad the number of regenerable cotton species, a new high yield and disease resistant variety, Nongda94-7 was studied, and Embryogenic callus of it could be induced for the future.
以CZB为基础培养液，培养小鼠4、8 -细胞胚胎单卵裂球，研究葡萄糖、牛磺酸和猪输卵管上皮细胞共培养在其体外发育中的作用。
CZB medium was used as a base medium to study the function of taurine, glucose and porcine oviductal epithelial cells system in the culture of blastomeres isolated from mouse 4? 8-cell embryos.
与棉花体细胞胚胎再生途径相比，棉花茎尖分生组织培养植株成苗的时间短，培养方法简单，也不受基因型的限制，适合作为基因转化的受体系统。
In comparison with embryogenesis, it is easy to get plantlets from shoot apical meristems, and it is suitable and convenience to be used as transformation system.
结果表明，2,4 - D是诱导体细胞胚胎发生的关键因素，当培养基中只含2,4 - D而不含或少含细胞分裂素(6 -BA)时，外植体经由体细胞胚胎发生途径形成再生植株。
The results showed the explants could regenerate via somatic embryogenesis when the medium contained only 2, 4-d without or with little content of 6-ba.
哪些胚胎细胞是确定的？
蝾螈胚胎却会吸引藻类进入组织和细胞。
A salamander embryo can attract algae inside its tissues and cells.
其他的表观遗传过程似乎是随机发生的，而其他过程则是正常的，比如那些引导胚胎细胞成为心脏、大脑或肝细胞的过程。
Other epigenetic processes appear to occur randomly, while others are normal, such as those that guide embryonic cells as they become heart, brain, or liver cells, for example.
这使他们相信早期胚胎中的细胞是不确定的，因为每个细胞都有可能以各种不同的方式发育。
This led them to believe that the cells in the early embryo are undetermined in the sense that each cell has the potential to develop in a variety of different ways.
胚胎干细胞如此让人激动是因为它的天然功能就是分化成身体所有的细胞。
Why people are so excited about embryonic stem cells is because in nature they become all the cells of the body.
最成功的陆生植物群体是那些进化出了受精性细胞散布方法的群体，这些方法不依赖于水和防止发育中的胚胎干涸的结构。
The most successful groups of land plants are those that evolved methods of fertilized sex cell dispersal that are independent of water and structures that protest developing embryos from drying out.
和我们之前谈到的胚胎干细胞有所不同，这是一个成人干细胞的例子。
Different from the embryonic stem cell we talked about before, it's an example of an adult stem cell.
从人胚胎生殖嵴、肠系膜中消化分离的原始生殖细胞，将其接种在人子宫内膜成纤维细胞饲养层上传代培养。
PGC from genital ridge and mesenterium of human embryo was incubated on fibroblast feeder layers for subculture.
这显示了巢蛋白和阶段特异性胚胎抗原-1在大鼠2型星形胶质细胞中的表达。
It shows the role of TNF-alpha and its receptors in the production of beta-1,4 galactosyltransferase I and V mRNAs by rat primary astrocytes.
这种病是因为一群叫做神经嵴细胞的胚胎细胞出现扰乱所引起的。
It is caused by a disturbance in a group of cells in embryos called neural crest cells.
她们使用病毒做为载体，将新的遗传物质载入草原田鼠的胚胎细胞。随后，培养这些经过修饰的胚胎细胞，使其发育成完整的草原田鼠。
Using viruses as carriers, they have introduced novel genetic material into embryonic prairie-vole cells, and then grown each modified cell into a complete animal.
与采集胚胎细胞不同，采集脐血细胞不会破坏胚胎。
Unlike embryonic cell cells, cord blood cells do not involve the destruction of an embryo.
通过这种组合改变的细胞同样具备胚胎干细胞的特征。
Cells transmuted by this combination also have the characteristics of embryonic stem cells.
通过这种组合改变的细胞同样具备胚胎干细胞的特征。
Cells transmuted by this combination also have the characteristics of embryonic stem cells.
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