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.
本试验对白鹤芋体细胞胚胎发生及植株再生进行了研究。
The somatic embryogenesis and plantlets regeneration of Ziziphus jujube CV.
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.
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.
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.
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.
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.
人们之所以对胚胎干细胞感兴趣是因为它可以生成任意形式的体细胞。
People are interested in embryonic stem cells because they have the potential to grow into any other type of body cell.
第三步是使用一个称为体细胞核移植过程形生一个胚胎。
The third step was to use a process known as Somatic Cell Nuclear Transfer to generate an embryo.
科学家们认为胚胎干细胞有价值是因为，胚胎干细胞可以发育成为任何其他种类的体细胞。
The reason embryonic stem cells are valued by scientists is that the cells' descendants can turn into any other sort of body cell.
体细胞无性系变异发生在组织和胚胎的培养，即使没有基因改造，但基因改造往往使情况变得更糟。
Somaclonal variation occurs in tissue and embryo culture even without genetic modification, but genetic modification often makes it worse.
按照供体细胞的不同，哺乳动物核移植研究可分为两种：胚胎细胞核移植和体细胞核移植。
According to the different donor types, mammalian nuclear transfer can be divided into two kinds: embryonic nuclear transfer and somatic nuclear transfer.
APRT编码基因在体细胞胚发育过程中的活跃表达，意味着在高等植物胚胎发生或发育过程中存在核苷酸补救合成途径。
APRT coding gene was active during the development of somatic embryogenesis, this indicated a way of nucleotide remedial synthesis existed during embryogenesis or embryo development in higher plant.
目的：探讨来源于人胚胎脑室下区(SVZ)的胶质纤维酸性蛋白(GFAP)阳性神经前体细胞系向神经元分化的潜能。
Objective: to investigate the ability of human GFAP positive neural progenitor cell line from the subventricular zone (SVZ) to differentiate into neurons.
BBC的科学记者认为此项研究由于牵扯到前体细胞来自于正在成长的胚胎而引起的道德问题而被搁置。
The BBC science reporter says research so far has been hampered by ethical issues surrounding stem cells to rive from specially grown human embryos.
供体细胞核移入去核的卵母细胞后，必定要经过表观遗传修饰的重编程过程，回到胚胎开始发育的全能状态。
The donor nucleus must experienced the epigenetic modification of the process reprogramming and went back to the initial state after the donor cell was injected into the oocytes.
结论胚胎干细胞来源的神经前体细胞移植PD大鼠纹状体后能分化为TH阳性的神经细胞，对PD有治疗作用。
ConclusionThe NPCs derived from ESc differentiated into TH-positive neurons after being grafted into the striatum of PD rats, which produced therapeutic effect on PD.
该文将重点比较体细胞和胚胎干细胞在细胞周期调控方面的差异，并对近年来有关小鼠和人胚胎干细胞的细胞周期调控的研究进展进行介绍。
This review will emphasize on the difference in cell cycle regulation in somatic cells versus ESCs, and update our understandings for regulation of cell cycle in mouse and human ESCs.
该文将重点比较体细胞和胚胎干细胞在细胞周期调控方面的差异，并对近年来有关小鼠和人胚胎干细胞的细胞周期调控的研究进展进行介绍。
This review will emphasize on the difference in cell cycle regulation in somatic cells versus ESCs, and update our understandings for regulation of cell cycle in mouse and human ESCs.
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