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toxin
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  毒素
    Studies of Breeding for Scab Resistance by Cell Engineering in Wheat Ⅰ. Isolation of Fusarium graminearum crude toxin resistance lines in wheat
    普通小麦抗赤霉细胞工程育种研究 Ⅰ.抗镰刀菌毒素细胞变异系的分离
短句来源
    Cloning and Mapping of cDNA from Cotton Induced by Toxin of Verticillium dahliae
    大丽轮枝菌毒素诱导表达陆地棉cDNA序列的克隆与定位
短句来源
    Effect of the Fusarium graminearum Toxin on the Characteristics of Induction and Differentiation of Immature Embryo Callus in Wheat
    禾谷镰刀菌(Fusarium graminearum)毒素对小麦幼胚愈伤组织诱导和分化的影响
短句来源
    The Effect of Toxin from Fusarium oxysporum on Biochemical and Physiological of Soybean Seedling root
    尖孢镰刀菌毒素对大豆幼根生理生化的影响
短句来源
    Identification and bioassay of Bacillus thuringiensis strains containing cryⅠand cryⅤ toxin gene
    含cryⅠ或cryⅤ毒素蛋白基因Bt菌的鉴定及生物测定
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  “toxin”译为未确定词的双语例句
    Obstacles of soybean continuous cropping Ⅱ. Mechanism of soybean yield decline and control strategies for toxin of Penicillium purpurogenum in soils.
    大豆连作障碍研究 Ⅱ.大豆连作减产机理及对土壤紫青霉菌毒素的调控对策
短句来源
    Detection of Bt Toxin Protein in Transgenic Cotton by Dot-ELISA
    利用Dot- ELIS A检测Bt棉杀虫蛋白的研究
短句来源
    Preparation of Monoclonal Antibodies of CryIA Insecticidal Crystal Protein and Its Application in Determining Toxin Level in Bt Cotton
    苏云金芽胞杆菌杀虫晶体蛋白CryIA单克隆抗体的制备及在转Bt基因棉毒蛋白检测上的应用(英文)
短句来源
    Studies on Rapid Quantitative Analysis of Bt Toxin by Using Envirologix Kits in Transgenic Rice
    用Envirologix Cry1Ab/Cry1Ac试剂盒快速测定转基因水稻Bt杀虫蛋白含量的研究
短句来源
    Transgenic Corn with Bt Toxin Protein Gene and Insect-resistance
    转Bt毒蛋白基因玉米及其抗虫性研究进展
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  toxin
Ochratoxin A was quantitatively monitored in grain extracts by indirect solid-phase enzyme immunoassay with the use of an immobilized conjugate of the toxin with gelatin and polyclonal rabbit antibodies raised against the ochratoxin A-BSA conjugate.
      
This monitoring found that 1.7 to 18.5% of the samples were contaminated with the toxin at a concentration of 25.9-291.7 μg/kg.
      
It has been demonstrated in model experiments that the decrease in the content of BET in the culture fluid is accounted for by the toxin interaction with an attendant product, the exogenous metabolite (EM).
      
Primary Structure of a Short Toxin from the Venom of a Vietnamese Scorpion (Buthus sp.)
      
The complete amino acid sequence of an important toxin (toxin 14) from the venom of a Vietnamese scorpion (Buthus occitanus sp.) has been determined, which includes 35 amino acid residues and three disulfide bridges (molecular weight, 3843 Da).
      
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The tested materials included: 35 inbred strains of known male-sterile cytoplasm belonging to a certain group,17 inbred strains of unknown male-sterile cytoplasm,and 200 hybrids crossed with different inbred lines.The tested results indicated that their reaction to the toxin of the southern leaf blight race T,the phenotype and genotype of male-fertility,and the reactions to environmental conditions are different.A simple convenient and accurate way of synthetic identification and classification of the...

The tested materials included: 35 inbred strains of known male-sterile cytoplasm belonging to a certain group,17 inbred strains of unknown male-sterile cytoplasm,and 200 hybrids crossed with different inbred lines.The tested results indicated that their reaction to the toxin of the southern leaf blight race T,the phenotype and genotype of male-fertility,and the reactions to environmental conditions are different.A simple convenient and accurate way of synthetic identification and classification of the cytoplasmic male-sterility type in maize is presented on the basis of the test and the study of the data.

供试材料包括35个已知其不育胞质所属类群的不育系、17个待鉴定不育胞质类型的品系、200个用这些不育系和不同自交系测交的杂交种。研究结果表明,这些不育系对小斑病T小种毒素的反应、育性的表现和遗传及对环境条件的反应是不同的。在试验研究资料的基础上,提出了一种简便准确的玉米不育细胞质综合鉴定分类方法。

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...

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。

This paper reports radiant effect of 60Co-gamma rays on screening rice resistant mutants in vitro with seed-somato-derived and microspore -derived callus clone. The tested materials included 4 Hsien (Indica)rice varieties such as Ce 49 and Zhen-you No.l1, and 1 Keng (Japonica) rice variety (Li-jiang-xin-tuan-hei-gu). The radiant dose was 0-12 Kr for seed-somato-derived-calli, 0-10 Kr for microspore derived calli,0-2 Kr for placed anthers. The raw toxin extract of the race ZA1 or ZB15 of piri-cularia oryzae...

This paper reports radiant effect of 60Co-gamma rays on screening rice resistant mutants in vitro with seed-somato-derived and microspore -derived callus clone. The tested materials included 4 Hsien (Indica)rice varieties such as Ce 49 and Zhen-you No.l1, and 1 Keng (Japonica) rice variety (Li-jiang-xin-tuan-hei-gu). The radiant dose was 0-12 Kr for seed-somato-derived-calli, 0-10 Kr for microspore derived calli,0-2 Kr for placed anthers. The raw toxin extract of the race ZA1 or ZB15 of piri-cularia oryzae (0.1ml/tube) was applied to the surface of N6 medium with 2,4-D 2,NAA 2,KT 1 mg/1 ,The treated medium was used for selection medium.And the treated medium supplemented with sterile water was taken for control group. Three pieces of calli (about 1.5 mm in diameter) or 65-75 anthers (late-monokaryotic stage) were placed in each test tube.After screening for 30 days in vitro at 28±1℃, anther culture in dark condition and callus culture in 2500-3000 lx for 8-10 h/day, the growth of callus or the rate of pollen-callus induction was investigated. After regenerating for 30 days, the rate of green plant regeneration was investigated.

本文报道~(60)Co-γ射线对水稻种子体细胞无性系和花粉性细胞无性系抗性突变体离体筛选的辐照效应。试验结果表明:以附加稻瘟病菌粗毒素为背景,~(60)Co-γ射线对水稻花粉愈伤组织诱导以及种子愈伤组织、花粉愈伤组织的生长和绿苗分化,都有不同程度的抑制效应,愈伤组织生长受抑率与辐照剂量有密切关系,尤以第一次筛选的辐照效应更为明显;ZA_1小种粗毒素提取液对花粉愈伤组织诱导的抑制作用比ZB_(15)强;种子体细胞无性系对γ射线辐照敏感性大于花粉性细胞无性系。本研究初步显示了辐照诱变与稻瘟病菌粗毒素相结合,对水稻抗性突变体离体筛选的应用潜力。

 
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