雪花莲

The mature protein sequence showed the identity to those of Galanthus nivalis agglutinin, Polygonatum cyrtonema agglutinin, Polygonatum multiflorum agglutinin, Aspidistra elatior Blume agglutinin DOM1, Aspidistra elatior Blume agglutinin DOM2, Zephranthes grandiflora agglutinin respectively are 44.0％、60.9％、58.7％、43.2％、52.6％、75.9％.

该成熟蛋白编码氨基酸序列与囊丝黄精凝集素同源性为60.9％，多花黄精凝集素58.7％，雪花莲凝集素为44.0％，蜘蛛抱蛋凝集素结构域1为43.2％，蜘蛛抱蛋凝集素结构域2为52.6％，麦冬凝集素为75.9％。

Anglesey Abbey, in Cambridgeshire, is famed for its carpets of snowdrops.

剑桥郡的安格尔西修道院是以雪花莲地毯闻名的。

The crocus, the snowdrop, and the effulgent daffodil are considered bright harbingers of spring.

藏红花、雪花莲和明亮的水仙花被看作是春天的光明预兆。

The galanthus nivalis agglutinin is one kind of plant mannose combine agglutinin, it can integrate on the glycoprotein acceptor of insect enteron epithelial cell, and produces partial or system poisons to the insect and suppresses its growth.

雪花莲凝集素是目前与害虫治理有关且研究得比较多的一种单子叶植物甘露糖结合凝集素，能结合到昆虫消化道上皮细胞糖蛋白受体上，对昆虫产生局部或系统毒害后果，抑制害虫生长发育繁殖。

The sgna gene, a synthetical agglutinin gene of Galanthus navies, codes a poisonous protein for Homoptera.

人工合成的雪花莲外源凝集素基因sgna可以编码对同翅目昆虫具有毒杀作用的蛋白。

Galanthus navalis agglutinin from the bulb of sonowdrop of Amaryllidaceae has great resistance to Homoptera pests, by inhibiting their growth and fecundity.

雪花莲凝集素(Galanthus navalis agglutinin，GNA)是来源于石蒜科雪花莲的植物凝集素，对同翅目害虫有显著的抗性，可以抑制害虫的生长和繁殖。

However, few genes resistant to homoptera (sap-sucking) insects were isolated. Recent studies have shown that some plant lectins from Amaryllidaceae species are toxic to sap-sucking insects in artificial diet assay, among which the lectin from snowdrop is the most toxic and has been most widely used in plant insect-resistant breeding.

大量的研究结果表明，植物凝集素具有有效的抗虫作用，其中雪花莲外源凝集素(GNA，Galanthus nivalis agglutinin)已在植物基因工程中广泛应用，并对同翅目害虫如蚜虫和褐飞虱等表现出较好的抗性。

An angel appeared, caught a falling snowflake and blew gently upon it, whereupon it formed a snowdrop flower.

这时一个天使飘然而至，抓住一片雪花，轻吹一下，它就变成了一朵雪花莲。

The homologous analysis showed that the identity between AVA and Galanthus nivalis agglutinin, Narcissus hybrid cultivar agglutinin, Lycoris radiata agglutinin, Clivia miniata agglutinin are 73.4％, 85.3％, 80.7％, 83.5％,respectively. Molecular modeling of AVA indicated that its three-dimensional structure strongly resembles that of the snowdrop agglutinin. Blocks' analysis revealed that the deduced amino acid sequence of AVA has three functional domains specific for agglutination and three carbohydrate-binding boxes.

成熟蛋白在氨基酸水平上与雪花莲凝集素、水仙凝集素、石蒜凝集素和君子兰凝集素分别有73.4％、85.3％、80.7％和83.5％的同源性；朱顶兰凝集素的分子模式显示其与雪花莲凝集素有极其相似的三维结构；在Blocks数据库中检索AVA蛋白氨基酸序列的结构域，发现有3个凝集素功能结构域，并具有3个典型的甘露糖专一结合位点盒。

Molecular cloning and characterization of the novel lection gene. Primers were designed based on conserved sequences of other lectin genes from Amaryllidaceae. A novel lectin gene was isolated from Zephyrathes grandiflora. The full-length cDNA of Zephyrathes grandiflora lectin was 955bp, containing an open reading frame (576bp) encoding a peptide of 191 amino acids. The gene was named as zga (Zephyrathes grandiflora agglutinin), with its encoding protein showing 59% similarity to GNA.

基因克隆及序列分析：根据石蒜科植物凝集素的保守区段，设计引物，采用RACE技术从韭莲中克隆出长度为952bp的新凝集素基因，包含了完整的编码序列(576bp)，它编码一个全长191个氨基酸的蛋白，与雪花莲外源凝集的相似性达59％，被命名为ZGA(Zephyrathes grandiflora agglutinin)。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。