| 1. | Method for determination of alpha - amylase activity in cereal and cereal products ? colorimetric method 谷物和谷物产品-淀粉酶活性的测定比色法 |
| 2. | The active center of a mammalian alpha - amylase . structure of the complex of a pancreatic alpha - amylase with a carbohydrate inhibitor refined to 2 . 2 - a resolution 哺乳动物淀粉酶的活性中心。胰淀粉酶和糖抑制剂的复合物精确到2 . 2a分辨率的结构。 |
| 3. | The nucleotide sequence similarity of alpha - amylase gene of bombyx mori and bombyx mandarina is 90 % and the putative amino acid sequence similarity is as high as 98 % 家蚕和野桑蚕-淀粉酶基因核苷酸序列相似性为90 ,推定氨基酸序列相似性为98 。 |
| 4. | Although there are many studies on alpha - amylase of bombyx mori , no reports on the alpha - amylase gene of bombyx mandarina have been seen so far -淀粉酶是家蚕生物学上非常重要的功能酶类,已有大量的研究报道,但迄今还没有野桑蚕-淀粉酶及基因的相关报道。 |
| 5. | Additionally , based on the sequence of intron i of alpha - amylase , a preliminary molecular systematics study has been performed on bombyx mori and bombyx mandarina . 1 本文对野桑蚕-淀粉酶基因进行全序列测定与分析,并作了基于intron的家蚕和野桑蚕分子系统学初步研究。 |
| 6. | Base composition comparison of codons of the alpha - amylase gene of bombyx mori and bombyx mandarina it was shown by base composition comparison of the codons that it is very similar in both bombyx mori and bombyx mandarina 07 ,野桑蚕54 64 ) ;密码子位3有强烈的啼陡偏好性,家蚕和野桑蚕的ct分别为67 77和67 |
| 7. | Statistics on code bias of alpha - amylase gene of bombyx mori and bombyx mandarina show that little difference exists between them . 3 . sequence comparison of alpha - amylase gene of five insects 五种昆虫的q淀粉酶基因序列的比较分析野桑蚕a淀粉酶基因核苦酸序列与家蚕、草地贪夜蛾( spodotera户u归rdax玉米螟( ostrinianubilalison25 )和果蝇( dnsophilasubobsc 。 |
| 8. | Up to now , extensive biological , chromosomal structure and variation , dna polymorphism , breeding application as well as pest control studies have been conducted . alpha - amylase is a functionally important enzyme for silkworm that feed on mulberry leaves 迄今已对野桑蚕进行了广泛的生物学上的研究、染色体结构及变异研究、 dna多态性研究、家蚕育种上的应用研究以及作为桑园害虫防治上的研究。 |
| 9. | The nucleotide sequence similarity and the putative amino acid sequence similarity of alpha - amylase gene of bombyx mandarina to those of bombyx mori , spodotera fruiperda , ostrinia nubilalis on 25 and drosophila subobscwa are 90 % , 12 % , 12 % , 5 % and 98 % , 80 % , 78 % , 58 % respectively )相似性分别为90o 、 12 、 12o 、 50 ,推定氨基酸序列相似性分别为98 、 80 、 78 、 58 ,表明:野桑蚕与家蚕的亲缘关系最近,果蝇与野桑蚕的亲缘关系相对较远。 |
| 10. | Sequencing of the whole alpha - amylase gene of bombyx mandarina ( chongqing ) based on the published nucleotide sequence of alpha - amylase gene of bombyx mori , seven pairs of primers were designed for the sectional amplification and cloning of the alpha - amylase gene of bombyx mandarina . the combined sequence , i . e . the whole alpha - amylase gene of bombyx mandarina , is 8903bp in length 重庆野桑蚕-淀粉酶基因全序列的测定根据家蚕-淀粉酶全基因序列设计了的7对引物,对野桑蚕-淀粉酶基因进行了分段扩增,并逐一克隆测序和序列拼接,得到8093bp的野桑蚕-淀粉酶基因全序列。 |