查询词典 embryogenic

The variation to vitellin polypeptide was studied by SDS-PAGE during embryogenic and postembryonic development to Chrysopa septempunctata. The results indicated that vitellin was degradated constantly during embryonic development, and the bands of vitellin couldn't be detected in the 4th day of ovum development.

用SDS-PAGE研究了大草蛉胚胎发育和胚后发育过程中卵黄蛋白多肽的变化动态，结果表明，卵黄蛋白在胚胎发育过程中被不断降解，在卵发育的第4天已经基本上看不到卵黄蛋白的条带。

Plantlet regeneration from cotyledon of Citrullus lanatus cv. Zhangkang No. 4 was studied. The results showed that aseptic seedlings should be cultured in dark for 3d, then exposed to a photoperiod of 16/8h/d for 3d. The callus induction rate was higher in cotyledons placed facing downwards to the medium than in those facing upwards. The highest induction rate occurred in MS medium containing 6-BA (2.0mg/L), kinetin (1.0mg/L)and GA3 (1.0mg/L). The induction initiated in dark and took 7 days, while callus growth and differentiation proceeding for 7 days under 16/8h light-dark cycles. A highest rate of embryogenic callus was obtained after 3 successive subcultures.

以无子西瓜郑抗4号无菌苗子叶为外植体，进行了体细胞胚发生及植株再生的研究，结果表明，无菌苗应先进行3d暗培养，然后采取光照16h/d和黑暗8h/d培养3d；将子叶的叶面朝下放置于培养基上的愈伤组织诱导率高于叶面朝上的培养方式；子叶诱导胚性愈伤组织的最适培养基配方为MS+6-BA2.0mg/L+KT1.0mg/L+GA31.0mg/L；诱导需要在黑暗条件下启动，进行7d暗培养，而生长分化于光照16h/d和黑暗8h/d条件下培养7d；继代3次得到的胚性愈伤组织最多；最适生根培养基配方为1/2MS+IBA0.3mg/L。

When the embryogenic calli were transferred to medium MS+5mg/L ABA+50g/L PEG+5mg/L AgNO〓 for one month, a lot of normal cotyledonary somatic embryos were produced.

当胚性愈伤组织转到MS+5mg/LABA+50g/L PEG+5mg/L AgNO〓的分化培养基上，1个月后可产生大量正常的子叶期成熟体细胞胚。

There were 2 peaks of starch accumulation in the process of somatic embryogenesis,the first time was at the stage of embryogenic callus,the second time was at the stage of globular embryoids;and a small raise appeared at the stage of torpedo-shaped embryoids,and the content of starch was slightly higher than those of heart-shaped embryoids and cotyledonary embryoids.With the development of embryos,the tendency of the changes of the content of DNA,RNA and the total nucleic acids was approximately similar,and the peak values were all at the stage of cotyledonary embryoids,and the change of the content of RNA was more remarkable than those of DNA and the total nucleic acids.The tendency of change of the content of proteins almost took on the S-shaped curve.

结果表明：龙眼胚性愈伤组织体胚发生过程中淀粉有2个累积峰值，第1次出现在胚性愈伤组织阶段，第2次出现在球形胚阶段，在鱼雷形胚阶段又有一个小回升，这时淀粉积累较心形胚和子叶形胚阶段高一些；随着胚胎的发育，DNA、RNA、总核酸含量的变化趋势大致相同，最高点均出现在心形胚阶段，其中RNA含量的变化较DNA、总核酸含量明显，蛋白质含量的变化曲线呈&S&形。

And 1993 . In this thesis, we, for the first time, successfully isolated the full-length cDNA for the ECP 63, an embryogenic cell protein, from carrot (Daucus carota L.).

为实验材料，首次成功地分离了ECP63 cDNA全长，并以此cDNA为探针对其在体细胞胚胎发生和合子胚胎发生过程中的基因表达进行了深入的研究。

On the whole, 2 mg/L 2,4-D was found to be most favorable for the induction of embryogenic callli.

在影响胚性愈伤诱导的各因素中，2，4-D浓度直接影响愈伤组织的形态、生长和分化。

The application of embryogenic callus of litchi and longan to genetic transformation as starting materials was also discussed.

还对荔枝、龙眼胚性愈伤组织应用于遗传转化等问题进行了探讨。

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

长期的饥饿和衰老可以导致胚胎发生能力的复壮。

The structure, division and growth of embryogenic callus of litchi and longan were observed by paraffin method.

通过石蜡切片观察荔枝胚性愈伤组织的结构以及分裂、生长的方式，并与龙眼胚性愈伤组织作比较。

Two types of callus, i. e. type A and type C , were both found as embryogenic calluses.

其中，两个类型，即类型A和类型C是胚性的。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。