胚胎发生

在胚胎发生期间经历了深刻的代谢变化。

Impressive metabolic alternations have been undergone during embryogenesis .

胚胎发生：由胚轴诱导产生的淡绿色、生长迅速的愈伤组织在含NAA和2，4-D的培养基上培养4周后可形成黄白色疏松易碎的胚性愈伤组织。

Somatic embryogenesis : NAA and 2,4-D help callus form light yellow , frail embryogenic callus .

长期的饥饿和衰老可以导致胚胎发生能力的复壮。

Prolonged starvation and aging might lead to rejuvenation of embryogenic potential .

柑橘愈伤组织DNA含量变异、体细胞胚胎发生及同源四倍体的诱导研究

DNA Content Variation of Calli , Somatic Embryogenesis and Induction of Autotetraploid in Citrus

用此培养基，党参体细胞胚胎发生比MS培养基提高2.5倍。

This medium increase somatic embryo yield 2 . 5 fold .

柑橘胚胎发生过程中DNA甲基化/去甲基化研究及SSR标记开发

Study on the DNA Methylation / Demethylation during Somatic Embryogenesis and Mining of SSR Markers in Citrus

EMS对甘蓝型油菜离体小孢子胚胎发生能力的影响

Effect of EMS treatment on microspore embryogenesis in vitro in Brassica napus

2,4-D、KT对棉花愈伤组织的诱导和体细胞胚胎发生的影响

The Effect of 2,4-D and KT on Callus Initiation and Somatic Embryogenesis in Cotton Culture

2,4-D浓度对胡萝卜体细胞胚胎发生及其同工酶的影响

Effect of 2 , 4-D on embryogenesis and certain isoenzymes from Carrot Tissue Cultures

2,4-D对甘薯体细胞胚胎发生的调控

2,4 D Regulated Somatic Embryogenesis of Sweet Potato

性别决定及SRY基因在胚胎发生中的表达

Sex Determination and Expression of SRY Gene during Embryogenesis

研究了小麦原生质体培养形成的体细胞胚胎发生过程中DNA、RNA和可溶性蛋白质含量的变化，并对可溶性蛋白质进行了SDS-PAGE分析。

The changes in contents of DNA , RNA and soluble protein and the SDS-PAGE of soluble protein during somatic embryogenesis in wheat protoplast culture were studied .

Picloram，ABA和TDZ对香蕉体细胞胚胎发生的影响

Effects of Picloram , ABA and TDZ on Somatic Embryogenesis of Banana

这些结果显示NAC基因在胚胎发生过程中起不同的作用。

These results suggest that the NAC genes may play different roles in embryogenesis . 3 .

供体植株采蕾期的气温条件是小孢子胚胎发生的关键因素，采蕾之前3d的气温在14℃/24℃（夜/昼）最适宜小孢子发育；

The temperature from three days before bud plucking to the plucking day was a key factor and 14 C / 24 C ( night / day ) was most suitable to induce microspore embryogenesis .

在克隆的NAC基因家族中，并不是所有的成员都在胚胎发生的过程中表达，表明NAC基因功能的多样性。

Not all the NAC family members express during the embryogenesis process , showing diversity role of NAC genes .

TDZ对植物体细胞胚胎发生的作用

Effect of TDZ on Somatic Embryogenesis of Plant

以8个菜用大豆品种的未成熟子叶为外植体，在MS（附加高浓度2,4-D）培养基诱导愈伤组织形成、体细胞胚胎发生与再生植株。

Callus formation , somatic embryogenesis and plant regeneration were induced by MS medium including higher concentrations of 2,4-D with immature cotyledon of eight genotypes in vegetable soybean .

濒危植物四合木（TetraenaMongolicaMaxim.）悬浮培养下体细胞胚胎发生

The development of somatic embryo of rare endangered Tetraena mongolica maxim . under cell suspension culture

从龙眼体胚DlUP-5基因mRNA转录水平变化，推测其在龙眼愈伤组织胚胎发生能力维持方面可能起到关键作用，并且其在龙眼体胚发生的早期和体胚成熟期都有其特殊的功能。

According to its variations of mRNA transcription levels , It might play a critical role in maintaining ability of somatic embryogenesis and a particular role in early somatic embryogenesis and maturation of somatic embryos .

凝血酶（Thrombin）在止血与血栓形成、炎症反应、胚胎发生、血管形成等生理及病理过程中发挥着重要作用。

Thrombin has been shown to be a key regulator of hemostasis , thrombosis , inflammatory , angiogenesis and embryonic development in Physiology and Pathology .

采用mRNA差别显示技术对龙眼（DimocarpusLonganLour.）体细胞胚胎发生过程中的胚性愈伤组织、球形胚、鱼雷胚、子叶胚、成熟胚等阶段进行分析。

The mRNA differential display method was applied to analyse differential gene expression in the process of somatic embryogenesis in longan ( Dimocarpus longan Lour . )

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 .

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 .

结果表明，DCR基本培养基最有利于原生质体的体细胞胚胎发生。

The results show that DCR medium is in favor of the formation of somatic embryos from protoplasts .

野芹菜体细胞胚胎发生早期变化的细胞学研究荷兰芹胚性愈伤组织诱导及胚状体发生与内源IAA和ABA关系的初步研究

Cytological studies on the early phase of somatic embryogenesis in petiole explants of wild celery induction of embryonic callus and formation of embryoid related to Endogenous IAA and ABA in Celery

以大蒜的发芽叶基（鳞茎）为外植体诱导体细胞胚胎发生，研究大蒜体胚发生过程中SOD、POD和CAT3种抗氧化酶的活性以及可溶性糖和可溶性蛋白质含量变化。

As the explants , the leaf bases of germinating buds of garlic were induced to produce somatic embryos and SOD , POD and CAT activities and soluble sugar and protein contents in somatic embryogenesis were examined .

而选择含10-30%的双核期小孢子，将密度设为1.5个花蕾／皿，添加0.1mg／ml有利于甘蓝小孢子胚胎发生。

Whereas the selection of 10-30 % binucleate microspores , density of 1.5 buds / dish and addition of 0.1mg/ml activated charcoal are benefit to microspore embryogenesis in cabbage .

水通道蛋白基因与晚期胚胎发生丰富蛋白（LEA蛋白）基因参与多种胁迫的应答，它们与保持细胞水分平衡相关；

Aquaporins and late embryogenesis abundant ( LEA ) proteins participate in the responding of multi-stress , which maybe relate with maintain water balance in cell ;

在同样条件下，2mm长的幼胚较其它时期的幼胚体细胞胚胎发生的频率高。

The immature embryos of 2 mm length among the embryos of different size have the highest percentage somatic embryogenesis in the same condition .