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hypersensitive response
相关语句
  过敏反应
     H_2O_2 Is Involved in Hypersensitive Response and Systemic Acquired Resistance Induced by the 90 kD Protein Elicitor of Phytophthora boehmeriae
     H_2O_2 参与棉疫病菌90kD蛋白激发子诱导的烟草过敏反应和系统获得抗性
短句来源
     In plant cells, a number of MAP kinases were specifically involved in oxidative burst (OXB) or hypersensitive response (HR) in response to biotic stresses, besides salicylic acid (SA) induced MAP kinase (SIPK) and ROS play the crucial roles in the processes of systemic acquired resistance (SAR) being established.
     生物胁迫条件下,一 些MAP激酶特异性地调节氧化猝发(oxidative burst, OXB)和过敏反应(hypersensitive response,HR),水杨酸 (salicylic acid,SA)诱导的MAP激酶(SA-induced protein kinase,SIPK)和ROS共同参与系统获得性抗性(systemic acquired resistance,SAR)的建立;
短句来源
     Now two resistant mechanisms are discovered: hypersensitive response (HR) and systemic acquired resistance (SAR).
     已研究发现的抗病机制有两种:过敏反应(hypersensitive response HR)和系统获得性抗性(systemic acquired resistance SAR)。
短句来源
     Hypersensitive response (HR) of rice cells induced by hydrogen peroxide (H2O2), a signal molecule, was investigated.
     本文报道了过氧化氢(H2O2)诱导水稻细胞过敏反应(HR)的剂量和时间作用效应。
短句来源
     5μL 30μg/mL Harpin induced hypersensitive response on tobacco or capsicum leaves by using punctures or injection along nervation in laminae respectively.
     采用叶脉注射法,5μL 30μg/mL Harpin能诱发辣椒叶片的过敏反应
短句来源
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  过敏性反应
     Itwas found that treatment with 23.3 mg· L~(-1) diuron accelerated the occurrence of N/p50-dependent hypersensitive response (HR).
     结果显示,23.3mg. L~(-1)敌草隆处理加速N/p50烟草苗中过敏性反应(hypersensitive response,HR)的产生。
短句来源
     It was found that treatment with 23.3 mg·L~(-1) diuron speeded up the N-mediated hypersensitive response in the N/P50 tobacco.
     结果显示,23.3 mg? L-1敌草隆处理加速N/P50烟草苗中过敏性反应的产生.
短句来源
     In the present report, two hypersensitive response (HR) initiation systems were employed to study the time_course expression induced by Avr / Cf interaction of the genes encoding Pti4, Pti5 and Pti6 which interact directly with Pto: (1) Seeds of tomato (Lycopersicon esculentum Mill.) containing complementary gene pairs Avr 4/ Cf _4 and Avr 9/ Cf _9 were obtained through crossing.
     采用两种过敏性反应 (hypersensitiveresponse ,HR)产生系统研究了Pto互作蛋白Pti4、Pti5和Pti6编码基因在Avr/Cf互作中的时序表达 :(1)通过杂交方法获取同含互补基因对Avr4 /Cf_4和Avr9/Cf_9的番茄 (Lycoper siconesculentumMill.)
短句来源
     Regulation of the Hypersensitive Response Mediated by Tomato Cf-4 and Cf-9 Genes and Improvement of the Gene Silencing Technique
     番茄Cf-4和Cf-9基因介导的过敏性反应调控及基因沉默技术的研究
短句来源
     A proteinaceous elicitor which could induce hypersensitive response (HR) reaction on tobacco was purified by (NH4)2SO4 precipitation, ultra speed centrifugation, preparative IEF and ion exchange techniques from cells of strain M51, an hrp mutant of the wild type RS105 (Xanthomonas oryzae pv. oryzicola, Xooc). The molecular weight of this protein was 25. 5 kDa determined by 15% SDS-PAGE.
     用硫酸铵沉淀、制备等电聚焦电泳、阴离子交换层析等方法从水稻条斑病细菌(Xanthomonas oryzae pv.oryzicola,Xooc)RS105菌株突变体M51菌体破碎液中纯化出可激发烟草产生过敏性反应(hypersensitive response,HR)的蛋白类物质,分子量约为25.5 kDa。
短句来源
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  “hypersensitive response”译为未确定词的双语例句
     In the genomes of phytopathogens, Hypersensitive Response and Pathogenicity genes (hrp genes) mainly code for type Ⅲ secretion system protein and determine the pathogenicity of pathogens to their plant host.
     在植物致病菌中基因组中,超敏反应及毒力基因(Hypersensitive Response and Pathogenicity Genes, hrp genes)主要编码Ⅲ型分泌系统(Type Ⅲ secretion system),是决定病原菌对植物宿主致病能力的基因。
短句来源
     H_2O_2 is known of directly regulating the expressions of numerous genes and some of these genes relate to plant defense and hypersensitive response.
     已知H2O2直接调节无数基因的表达,其中有些基因与植物防御和超敏反应有关.
短句来源
     Our purpose is to identify early expressing genes induced by powdery mildew (Erysiphe graminis DC) in wheat and we hope to elucidate the possible resistant mechanism of wheat.The harvest time points include 0.5, 1, 3, 6, 12, 16, 20 hai (hours after inoculation), which are crucial time-points for the Pm2-mediated hypersensitive response, were determined according to Li et al.
     根据本实验室李爱丽等对白粉菌侵染小麦细胞学的研究(Plant Pathology,2005,In pressed)以及相关文献我们确定了0.5、1、3、6、12、16、20hai(hours after inoculation,接种后小时)7个时间点为取材时间点。
短句来源
     The studies ofthe structure and ftinction of vl rulence genes, avlrulence genes,and hrp(Hypersensitive response and Pathogenicity)genes from pathogen and corresponding disease-resistant genes from hosts involved in plant-pathogen interaction have provided evidences for utilization of defense systems of host itself to defense the in-fection of pathogens and to design new strategy to control diseases.
     对参与植物一病原相互作用的病原的致病基因、无毒基因、hrp基因及植物的抗性基因的结构、功能的研究,为利用植物本身的防御系统抵抗病原菌的侵染危害,设计新的病害控制策略提供了依据。
短句来源
     The Construction and Analyses of Databases for Hypersensitive Response of Phytopathogens
     超敏反应数据库的构建及数据分析
短句来源
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  hypersensitive response
Line 56/99i was sensitive to the penetration; however, a subsequent prolonged hypersensitive response eliminated pathogen colonies surrounded by necrotic areas.
      
The local necrotic lesions are considered a hypersensitive response, and exopolysaccharides of the pathogen as the factors of virulence.
      
Samsun NN was used, which displayed a genotypically determined hypersensitive response to tobacco mosaic virus (TMV) infection.
      
The development of a hypersensitive response in the leaves of a resistant cv.
      
Causes for the changes in the content of some phospholipids, as well as the physiological role of phospholipase D in the hypersensitive response are discussed.
      
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Non-host and cultivar resistance of wheat, rye and oat was compared following inoculation of primary leaves with Puccinia recondita f.sp. tritici, P. recondita f. sp. secalis and P. coronata, Histop.ithological examination by fluorescence microscopy indicated that the key features of non-host resistance were the early cessation of fungal growth, strong inhibition of haustorial mother cell formation, mesophyll cell necrosis and the early abortion of rust colony, although infection did not continue beyond the...

Non-host and cultivar resistance of wheat, rye and oat was compared following inoculation of primary leaves with Puccinia recondita f.sp. tritici, P. recondita f. sp. secalis and P. coronata, Histop.ithological examination by fluorescence microscopy indicated that the key features of non-host resistance were the early cessation of fungal growth, strong inhibition of haustorial mother cell formation, mesophyll cell necrosis and the early abortion of rust colony, although infection did not continue beyond the formation of appressorium or substomatal vesicle in a small number of infection sites of non-host. It was concluded that the histop thological characteristics of the examined non-host resistance were similar to hypersensitive response to resistant cultivar. This type of resistance was race-specific and it may not be durable when virulent structure of rust population changed.

比较研究了小麦、黑麦和燕麦对小麦叶锈菌、黑麦叶锈菌和燕麦冠锈菌的非寄主抗病性与品种抗病性的组织病理学特点。接种幼苗的荧光显微检查表明,非寄主抗病性除不同程度地中断侵入外,主要抑制侵染菌丝生长和吸器母细胞的形成,引起菌落早期败育和叶肉细胞坏死。这些特点与品种抗病性的过敏性坏死反应相同。这种类型的抗病性具有小种专化性,因而即使用遗传操作技术将这种非寄主抗病性转移到寄主品种中,也可能因病菌小种的变异而不会持久。

Transposon Tn5 mutagenesis in a wildtype strain JXO I of Xanthomonas campestris pv.oryzaewas conducted.Screening of 6 250 Tn5-induced clones on plates using amylase activity as a marker led to theisolation of 14 virulence gene mutants avirulent on susceptible rice cultivar IR26,4 of which lost the abilityto elicit a hypersensitive response on tobacco plants and were identified as hrp gene mutants.The pleiotropicalternation of phenotype of these mutants included the growth characteristics,and the activity...

Transposon Tn5 mutagenesis in a wildtype strain JXO I of Xanthomonas campestris pv.oryzaewas conducted.Screening of 6 250 Tn5-induced clones on plates using amylase activity as a marker led to theisolation of 14 virulence gene mutants avirulent on susceptible rice cultivar IR26,4 of which lost the abilityto elicit a hypersensitive response on tobacco plants and were identified as hrp gene mutants.The pleiotropicalternation of phenotype of these mutants included the growth characteristics,and the activity ofprotenase,petase,cellulase and lipolysase.Southern blot analysis of EcoRI digested total DNA from allavirulent mutants with ~(32)p labelled Tn5-containing plasmid revealed that insertion of Tn5 occurred in at lesat4 different sites.

用转座子 Tn5诱变水稻白叶枯病菌日本系统小种1菌(?) FXOⅠ基因组,在平板上以淀粉酶活性作为指示性状,从6250个 Tn5诱变株中筛选出14个毒性基因突变体,它们失去了对水稻品种 IR26的致病性.其中有4个突变体同时也失去了诱导烟草产生过敏性反应的能力,被鉴定为 hrp 基因突变体。这些毒性基因突变体在生长特性,几种主要胞外水解酶(蛋白酶,果胶酶,纤维素酶和脂酶)活性等表型(?)化方面具有多效性。通过 Southern 吸印杂交,所有毒性基因突变体 DNA 的 EcoR Ⅰ片段与~(32)P 标记的 Tn5探针质粒都有同源杂交带,Tn5有4种不同类型的插入位点。

The inductivity of hypersensitive responses(HR)of tabacco(Nicotiana tabacum)byXanthomonas campestris pv.oryzae(Xco)was determined with injection inoculation method,and the differ-ences in appearance times of HR induced and populations in leaf tissues of Xco strains were found.All origi-nal strains from different regions and races were able to elicit HR,but a mutant(XcoM3105)from Tn5mutated mutants failed to elicit HR.The populations of parental strain in tabacco tissues decreased rapidly,but those of the...

The inductivity of hypersensitive responses(HR)of tabacco(Nicotiana tabacum)byXanthomonas campestris pv.oryzae(Xco)was determined with injection inoculation method,and the differ-ences in appearance times of HR induced and populations in leaf tissues of Xco strains were found.All origi-nal strains from different regions and races were able to elicit HR,but a mutant(XcoM3105)from Tn5mutated mutants failed to elicit HR.The populations of parental strain in tabacco tissues decreased rapidly,but those of the mutants increased.The different companents extracted from the bacterium cell were exam-ined for the inductivity of HR of tabacco,indicating that the lipopolysaccharides(LPS)played a signal rolein elicitation of HR of tabacco and the polysaccharides were active cores for induction.LPS andpolysaccharides showed similar activities in parental and mutated strains.

用注射接种法测定了水稻白叶枯病菌诱导烟草过敏性反应的能力,发现所有测试菌株在诱导烟草过敏性反应出现时间和组织中的菌量方面都有差异。不同来源和小种的原始菌株都具有诱导能力,转座子Tn5诱变的突变体菌株只有一个突变体 XcoM3105失去了诱导能力.亲本菌株在烟草叶片组织中的种群量迅速下降,细菌被限制在接种区内,突变体菌株在组织中可以繁殖和扩展。测定细菌细胞不同组分的诱导活性,发现脂多糖是诱导烟草过敏性反应的信号物质,诱导活性中心是多糖体组分.亲本菌株和突变体的脂多糖和多糖体表现相同的诱导活性。对这一结果进行了讨论.

 
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