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   愈伤组织细胞 在 农作物 分类中 的翻译结果: 查询用时:0.023秒
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愈伤组织细胞
相关语句
  callus cells
    The callus subcutured on MS + 0. 5 mg/L 2,4-D+0. 2 mg/L 6-BA grew well and formed green-thick callus. The callus cells were mostly diploid,a few sub-diploid and other ploidy cells.
    愈伤组织继代增殖的最佳培养基为MS+0.5mg/L 2,4-D +0.2 mg/L 6-BA,在其上继续生长,形成淡绿色、致密的愈伤组织,愈伤组织细胞主要为二倍体,也有少量的亚二倍体细胞和其它倍性细胞产生。
短句来源
    The pBIFN was transformed into Agrobacterium tumefaciens strain LBA4404. Then hIFN-α2b gene was introduced into Ginseng callus cells via Agrobacterium-mediated transformation.
    用冻融法将pBIFN导入根瘤农杆菌LBA4404,经卡那霉素和利福霉素筛选后利用农杆菌介导的转化法将hIFN-α2基因导入人参愈伤组织细胞
短句来源
    Results:Stable integration of the hIFN-α2b gene in the Ginseng callus cells′ genome was confirmed by PCR analysis.
    结果:经PCR检测表明hIFN-α2b基因已成功整合到人参愈伤组织细胞基因组中。
短句来源
    This indicated that albino production in anther culture of wheat is not caused by the vigorous division of callus cells and the absence of platids due to physi ological barrier.
    花粉白苗叶绿素吸收光谱分析表明,小麦白苗仍会有少量叶绿素a和叶绿素b,这就排除了白苗的产生是由于愈伤组织细胞的旺盛分裂及生理上障碍致使细胞质体缺失所致。
短句来源
    The selected callus masses were transferred to MS+ 2, 4 -D 0.1mg/L+ 6-BA2.0mg/L and induced to form plants. The experimental resulls show that the selected callus cells have higher resistance than the normally subcutured callus cellsto wildfire crude toxin;
    存活愈伤组织转移至相同培养基进一步筛选,经两次筛选得到的愈伤组织在MS+2,4-D0.1mg/L+6-BA2.0mg/L培养基上诱导分化形成植株,通过上述方法筛选得到的抗性愈伤组织细胞比未经筛选进行继代培养的愈伤组织细胞对野火病粗毒表现出较强的抵抗力;
短句来源
  “愈伤组织细胞”译为未确定词的双语例句
    Effect of NAA and 2,4 D and their Concentrations on Chromosomeploidy of Potato Calli in vitro Culture
    奈乙酸、2,4-D对马铃薯愈伤组织细胞染色体倍性的影响
短句来源
    CELL SUSPENSION CULTURE OF HYPOCOTYL CALLI OF ISATICA INDICAGO
    菘蓝下胚轴愈伤组织细胞悬浮培养
短句来源
    The possible reason was that the cell structure and function of leaves was different from the other organs', and the amylase cell induced from roots, stems, petioles appeared dissimilar physiological and biochemical function to the leaves', consequently as embodied that amylase' activity showed different changing trend under the same concentration PEG stress.
    这一结果显示由根、茎、叶柄诱导的愈伤组织细胞的生理生化功能比较相似,而和叶片诱导的愈伤组织细胞存在差异。 这可能是由于叶片的细胞与其它三种器官的细胞结构和功能差异较大,而导致叶片诱导出的愈伤组织细胞与根、茎、叶柄诱导的愈伤组织细胞表现出不同的生理生化功能,从而体现在对相同的PEG胁迫条件下,淀粉酶活性显示不同的变化趋势。
短句来源
    In vitro screening of seed-derived and microspore-derived callus lines was carried out by the biotechnology of plant cell culture, with the raw toxin extract of piricularia oryzae as stress factor.
    利用植物细胞培养离体筛选生物技术,以稻瘟病菌粗毒素提取液作为外源胁迫因素,对水稻种子体细胞和花粉性细胞无性系,进行愈伤组织细胞培养抗性筛选或花药培养抗性筛选。
短句来源
    Chromosomal variations in calli induced from roots of 4.genotypes of maize were examined,itwas found that:(1)Low 2.4 -D comcentration(5ppm)favoured the occurance of polyploid cells incalli from hybrid line High 2. 4-D concentration(30ppm)favoured the division of the diploid cells.
    观察4种基因型幼根诱导的愈伤组织细胞染色体发现:(1)2.4—D浓度较低时,利于多倍体细胞发生,2.4—D浓度较高时,利于二倍体细胞分裂。
短句来源
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  callus cells
Light and Nitrate Utilization by Soybean Callus Cells
      
We studied the role of light during exogenous assimilation of nitrate (the only source of nitrogen) by the callus cells of soybean (Glycine max).
      
The experimental results obtained were used to determine the possible causes of the heterogeneity of callus cells as regards their anoxia resistance.
      
In the SA-treated infected calli, the formation of necrotic lesions was observed in the zones of contact of the fungal mycelium with callus cells that limited pathogen growth.
      
Light and electron microscopic examinations revealed a large number of intracellular prismatic-shaped Ca oxalate crystals in both leaf and callus cells.
      
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In vitro screening of seed-derived and microspore-derived callus lines was carried out by the biotechnology of plant cell culture, with the raw toxin extract of piricularia oryzae as stress factor.JR19 and other mutants resisting rice blast were otbtained.There were significant differences in the resistance to rice blast in seedlings and the esterase isozyme zymograms of embryoes between mutants and original varieties.Some resistant mutants in R2 were still able to resist rice blast in R3.These mutants were...

In vitro screening of seed-derived and microspore-derived callus lines was carried out by the biotechnology of plant cell culture, with the raw toxin extract of piricularia oryzae as stress factor.JR19 and other mutants resisting rice blast were otbtained.There were significant differences in the resistance to rice blast in seedlings and the esterase isozyme zymograms of embryoes between mutants and original varieties.Some resistant mutants in R2 were still able to resist rice blast in R3.These mutants were almost accompanied by variations in agronomic traits such as dwarfism, high sterility, heading date or grain weight. Most of the mutants were basically regular and consistent in R2 and relatively stable in R3. The efficiency and possible potential of screening resistant mutants in vitro and its use in resistant rice breeding were discussed. The procedure of screening resistant mutants in vitro was suggested.

利用植物细胞培养离体筛选生物技术,以稻瘟病菌粗毒素提取液作为外源胁迫因素,对水稻种子体细胞和花粉性细胞无性系,进行愈伤组织细胞培养抗性筛选或花药培养抗性筛选。获得JR19等抗稻瘟病突变体,其抗性反应及酯酶同工酶谱与原品种具有明显差异。R_2代部份抗病突变体在R_3代仍然保持对苗稻瘟的抗性。抗病突变体大多伴随着株高、熟期、育性或粒重等农艺性状的变异。多数突变体在R_2代性状基本整齐一致,R_3代则保持相对稳定不变。讨论了抗性突变体离体筛选效果及其在抗病育种上的应用。初步提出水稻抗性突变体离体筛选程序。

The isozymes in the albino and green pollen plantlets of wheat were analysed. The results indicated that albino pollen plantlet exhibited a" feature band", whose relative migration rate was 0. 34~0. 36, in the isoperoxidase zymogram, whereas green pollen plantlets exhibited a "feature band" which reacted with β-naphthyl aceeate in the isoesterase zymogram. The analysis of isoperoxidase of pollen calli showed that color of pollen plantlets seemed to be determined at the period of callus formation or even eariler....

The isozymes in the albino and green pollen plantlets of wheat were analysed. The results indicated that albino pollen plantlet exhibited a" feature band", whose relative migration rate was 0. 34~0. 36, in the isoperoxidase zymogram, whereas green pollen plantlets exhibited a "feature band" which reacted with β-naphthyl aceeate in the isoesterase zymogram. The analysis of isoperoxidase of pollen calli showed that color of pollen plantlets seemed to be determined at the period of callus formation or even eariler. The culture conditions of redifferentiation no longer affected the color of plantlets Anlysis of the pigment absorption spectrum of chlorophrll of albino pollen plantlets showed that the leaves of albino pollen plantlets still contained small amounts of chlorophyll a and chlorophyll b. This indicated that albino production in anther culture of wheat is not caused by the vigorous division of callus cells and the absence of platids due to physi ological barrier.

花粉白、绿苗同工酶的分析表明,花粉白苗的过氧化物酶的酶谱上,有一条相对迁移率为0.34~0.36的“特征带”。而花粉绿苗的酯酶的酶谱上,有一条与β—萘酯起作用的“特征带”。花粉愈伤组织过氧化物酶的同工酶分析表明,愈伤组织苗色的分化方向似乎在愈伤组织阶段或在此之前便决定了的,再分化的培养条件对苗色的分化不再起作用。花粉白苗叶绿素吸收光谱分析表明,小麦白苗仍会有少量叶绿素a和叶绿素b,这就排除了白苗的产生是由于愈伤组织细胞的旺盛分裂及生理上障碍致使细胞质体缺失所致。

Wheat immature inflorescence was used as explant for in vitro culture. The effects of

利用鲁麦10号小麦品种幼穗作为外植体诱导愈伤组织。研究了NaCl及γ射线对小麦愈伤组织的生长、脯氨酸含量及细胞形态大小的影响。结果如下:1.γ射线及NaCl都明显的抑制愈伤组织的生长。0.3%的NaCl和5KR的照射量是愈伤组织生长的临界值;30KR是致死的起始照射量:2.NaCl对愈伤组织的脯氨酸含量也有显著的影响,二者呈抛物线相关。γ射线使脯氨酸含量升高,但超过5KR,脯氨酸含量又呈下降的趋势:3.γ射线处理愈伤组织能使细胞的长及宽都增大,并产生巨型细胞,加速愈伤组织的老化。NaCl对愈伤组织细胞大小无显著影响,但能引起细胞大小变异系数的增加。

 
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