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leaf curl相关的网络例句

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The results from DNA sequencing and ELISA showed that tomato yellow leaf curl virus from Senegal and PR China is different new whitefly-transmitted geminivirus separately.

克隆和部分序列分析表明中国和非洲塞内加尔的番茄黄化曲叶病毒分别为不同的粉虱传双生病毒,且均为新的双生病毒。

The AC2 gene fragment of cotton leaf curl virus was obtained from total DNA of CLCuV infected tobacco leaves by polymerase chain reaction, and the amplified DNA fragment was cloned into vector.

以棉花曲叶病毒侵染的烟草叶片组织总DNA为模板,通过聚合酶链反应扩增CLCuV的AC2基因片段并插入克隆载体。

Tomato yellow leaf curl China virus ; DNA-A ; genetic diversity

中国番茄黄化曲叶病毒; DNA-A ;多样性

Complementary sense promoter from cotton leaf curl virusis a novel promo ter and could direct high level expression of foreign genes in transgenic plants .

摘 要 棉花曲叶病毒互补链基因启动子是一种新近鉴定的启动子,它能驱动外源基因在植物体内高效表达。

The thesis decribes two methods of detecting CLCuV-PK: TAS-ELISA and PCR. it is shown that CLCuV-PK is very closely related to viruses causing yellow vein disease or leaf curl disease of okra in Pakistan.

本文用二种方法检测CLCuV-PK,证明CLCuV-PK与引起巴基斯坦秋葵曲叶和秋葵黄化叶脉花叶的病毒有很近的亲缘关系。

Recently, the Cotton leaf curl Multan virus was found to seriously infect Hibiscus rosa sinensis and Abelmoschus esculentus in Guangdong and Guangxi.

近年来,在广东和广西分别发现了严重侵染朱槿和黄秋葵的木尔坦棉花曲叶病毒。

At first, plants would turn dark green but soon the top leaves would progress through typical K symptoms to bronzing and leaf curl.

最初植株变得深绿,但很快上部叶片就会经历典型缺钾症状出现青铜症和卷叶。

The monomer and dimer clones of full-length genome of cotton leaf curl gemini-virus from Pakistan were constructed , and it was shown that CLCuV-PK could be a geminivirus with monopartite genome.

本研究完成了巴基斯坦棉花曲叶病毒全长基因组单体和双体DNA克隆,证明了CLCuV-PK是一个单组分双生病毒。

The molecular data showed that GX-1, GX-2 and GX-3 were isolates of a distinct begomovirus species, for which the name Tomato leaf curl Guangxi virus is proposed.

GX-4和G121~G128也为番茄上的分离物,对GX-4和G121的全基(来源:A4a2aBC论文网www.abclunwen.com)因组进行了测定,发现分离物GX-4和G121的全序列分别为2738nts和2734nts。

Different plant expression vectors had been respectively transferred into upland cotton cultivars Jinman12, Jinmian7, Xinluzao1 and Jihe321 via Agrobacterium tumfaciens transformation. These vectors carried cryIAc3 gene, which encodes Bacillus thuringiensis δ-endotoxin, under the control of chimeric OM promoter, CaMV 35S promoter, and cotton leaf curl virus RP promoter respectively; snowdrop lectin gene (Galanthus nivals agglutinin, gna) trans-regulated by rolC promoter controlled TGAla factor; and multivalent expression construct of both cryIAc3-cpti fusion gene and gna gene. A large number of transgenic plants and their progenies had been obtained.

为了提高外源基因的表达量,延缓害虫产生耐受性,本文通过将携带有分别在高效复合OM启动子,CaMV35S启动子及棉花曲叶病毒RP启动子控制下的苏云金杆菌杀虫毒蛋白基因cryIAc3;反式调节因子增强韧皮部表达的雪花莲外源凝集素(Galanthus nivals agglutinin,GNA)基因;以及同时含有cryIAc3、豇豆胰蛋白酶抑制剂基因和gna三价抗虫基因的植物表达载体,以根农杆菌介导法分别将这些表达载体导入了陆地棉新陆早1号、晋棉7号、晋棉12号和冀合321等我国西北棉花主要栽培品种,经体细胞胚再生获得了大批转基因再生植株。

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