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- From the observation of maize root cap cells, it was found that cytoplasm PD changed obviously. 实验中通过对玉米根冠细胞的超微结构观察发现：在根冠细胞不断脱落过程中，各不同类型细胞间的共质联络亦发生了剧烈变更。
- When the root cap cells were treated by toxins,the distrbution pattern of AFs was changed into bundles or granules. 结果显示 ,毒素处理前珍汕 97A ,珍汕 97B的根冠细胞中 ,微丝由内向外广泛散布 ,粗细不等 ,呈无序网络分布。
- The inducing death of root cap cells bioassay was firstly used to measure the toxicity of toxin from Curvularia spp. 利用玉米根冠细胞死亡法测定了玉米弯孢霉毒素的生物毒性，方法简单可行。
- The sensitivity of isolated root cap cells of twenty-two corn inbreds to Hm-toxin produced by Sisolates of Helminthosporium maydis have been studied. 本试验用5个小斑菌(Helminthosporium maydis)菌株的毒素液测试了22个玉米自交系离体根冠细胞的敏感性,以分生孢子接种幼苗为对照。
- The results raised the possibility of high correlation between the responds of two kinds of detached root cap cells to HMC toxin and their disease resistance. 根冠细胞对HMC 毒素的这种反应与细胞质的抗病性相关
- Here we identify the Arabidopsis auxin response factors ARF10 and 16, targeted by microRNA160 (miR160), as the controller of root cap cell formation. miR160通过转录本特异剪切控制这三个生长素应答因子的表达。 生长素和miR160 共同参与了ARF10 和16 在根中表达的空间调节,使这两个转录因子在根冠区特异表达。
- The distribution of actin filaments (AFs) in the root cap cells of rice Zhenshan 97A and Zhenshan 97B was studied using fluorescence probe FITC-Phalloidin. 用稻瘟病菌 90 - 2菌株产生的毒素 ,处理水稻同核异质野败型雄性不育细胞质珍汕 97A及其保持系正常细胞质珍汕 97B的根冠细胞 ,以异硫氰酸荧光素 -鬼笔环肽为探针 ,观察了毒素处理前后细胞微丝骨架的形态及分布变化。
- Several problems for attention to the bioassay of cotton root cap cell with Verticillium dahliae Kleb coarse toxin were studied. 在棉花根冠细胞生物测定过程中,棉花黄萎病病菌通过提纯复壮而达到较强的侵染能力,并制备出较多的黄萎病菌粗毒素。
- Furthermore, there was great difference in natural survival of root cap cell amongdifferent corn inbreds, and the time of investigation should be controlled within 12 hours. 此外,不同玉米自交系的根冠细胞其自然存活率的差异也很大; 测定的时间须控制在12小时以内。
- In addition,the toxin could significantly inhibit the growth of roots and shoots and kill the root cap cells of rice. 毒素可导致水稻幼苗萎蔫、胚根胚芽生长受抑和根冠细胞死亡；
- Root border cells, previously referred to as sloughed root cap cells, is a special cell population which separates in large numbers from the periphery of the root cap and accumulates in the root tip. 植物根边缘细胞是从根冠表皮游离出来并聚集在根尖周围的一群特殊细胞 ,以前曾称为根冠脱落细胞。
- The results of inoculating corn seedeing with Helminthosporium turcicum and treating corn root cap cells with cultural filtrates of H. turcicum indicated that H.turcicum could produce pathotoxin either in vivo or in vitro. 用大斑菌接种玉米幼苗和用大斑菌的培养滤液处理玉米根冠细胞的试验证明,大斑菌无论在体内或体外均能产生致病毒素。
- In addition, we detected the pathogenicity of the toxin to one set of rice materials with homocaryon using the method of root cap cells bioassay. The experiment confirms that 90 2 strain is special susceptibility to rice with W CMS. 用根冠细胞法测定了90－2菌株毒素对一套4种同核异质CMS材料的致病力，表明稻瘟病菌90－2菌株是CMS野败型的专化生理小种。
- As soon as border cells detach from root cap periphery, their metabolic activity dramatically increases in accordance with a differential gene expression from that in root cap cells. 边缘细胞一旦从根表皮游离后 ,其代谢活性大大上升、基因表达明显不同于根冠细胞。
- The experimental results showed that death rate of root cap cells treated with Hm-toxin was highly correlated with the lesion size induced by H. maydis on corn seedling leaves. The coefficient of correlation was more than 0.77 in all the isolates tested. 试验结果;供试玉米自交系的根冠细胞死亡率和接种幼苗后形成的病斑大小是高度相关的;两者的相关系数均在0.;77以上。
- Also,the filtrate of race O was highly acfive to cause death of corn root cap cells. There was a positive correlation with sensitivity of root cap cells to filtrates and susceptibility to the pathogen. O小种培养滤液对玉米根冠细胞具有强烈的致死作用,根冠细胞对培养滤液的敏感性与幼苗对病菌的感病性间存在明显的正相关。
- During higher plant development,root cap cells,tracheary elements(TEs),tapetalcells,endosperm cells,suspensor cells,aleurone cells,megaspore cells,help cells and antipodal cells,etc. undergo PCD to some degree. 在高等植物生长发育过程中 ,根冠细胞、导管细胞、绒毡层细胞、胚乳细胞、胚柄细胞、糊粉细胞、大孢子细胞、助细胞和反足细胞等细胞在一定程度上均发生了PCD。
- In the experiment 11 different genotypes in Cms Rb(Bb),Cms C,Cms Es and normal cytoplasms were used,field test was combined with laboratory test,and the seven pathological traits such as the mortality rate of root cap cell,the lesion area and length,etc. 试验选用11套同核异质材料，采用田间鉴定与室内鉴定相结合的方法，依据寄主细胞、组织、个体、群体对CI小种的不同反映，分别对HMCI毒素对玉米根冠细胞致死率、针刺病斑长度、幼根生长抑制率、乳熟期病斑长度和面积、接种20d及乳熟期病情指数7个病理指标进行了比较研究与筛选。
- The Ht-Toxins produced by Helminthosporium turcicum in vitro could significantly inhibit the growth of roots and buds and kill isolated root cap cells of corn. 玉米大斑病菌在活体外产生的致病毒素（Ht－毒素）不仅能抑制玉米幼苗根和芽的生长，而且对玉米离体根冠细胞也有明显的致死作用。
- Root cap was the site of light perception. 感受光刺激的部位是根冠。
