查询词典 peptides

objective to isolate and purify the antimicrobial peptides with anti-toxoplasma gondii activity isolated from the haemlymph of musca domestica larvae.methods the antimicrobial peptides of musca domestica larvae were induced by infection and injury were isolated and purified by trituration,centrifugalization and column chromatography.then the antimicrobial peptides with anti-toxoplasma activity were sieved by mtt colorimetric method and haemacytometry.results it was found that two antimicrobial peptides had anti-toxoplasma activity through resource s cationic column chromatography and superdex g75 gel column chromatography.conclusion the two antimicrobial peptides with anti-toxoplasma activity existing in the haemlymph of musca domestica larvae had different anti-toxoplasma effect.

作者单位：山西医科大学寄生虫教研室，太原 030001；化学生物学与分子工程教育部重点实验室山西大学生物技术研究所目的从家蝇幼虫血淋巴中分离纯化具有抗弓形虫作用的抗菌肽。方法通过损伤加感染的方法诱导家蝇幼虫大量表达抗菌肽，然后经过研磨、离心和层析等过程，将家蝇幼虫抗菌肽进行分离纯化，采用四甲基偶氮噻唑蓝比色法和血细胞计数法筛选对弓形虫速殖子有抑制作用的抗菌肽。结果经resource s阳离子柱和superdex g75凝胶柱层析后，筛选出2种对弓形虫速殖子有杀伤作用的抗菌肽。结论家蝇幼虫血淋巴中存在抗弓形虫作用的抗菌肽，而且不止一种，但其效果有所不同。

The frequency of particular amino acids in signal peptides by statistical approach was 48.54% for hydrophobic, 18.67% for uncharged, 24.54% for negative and 8.00% for positive amino acids. The most frequent amino acid was alanine, and the least was isoleucine. Three classes of signal peptides were found in the genome of P. syringae pv. tomato, 501 ORFs belong to secretary signal peptides, 36 ORFs belong to twin-arginine signal peptides, and 15 ORFs belong to lipoprotein signal peptides. Type IV pilin signal peptide and bacteriocins and pheronones signal peptide was not found in the genome.

同时，对组成信号肽的氨基酸种类作了系统的分析，发现组成信号肽的氨基酸中非极性氨基酸占48.54%，极性氨基酸占18.67%，带负电荷氨基酸占24.54%，带正电荷氨基酸仅占8.00%，出现最多的3种氨基酸依次为亮氨酸、丙氨酸和丝氨酸，最少的氨基酸是异亮氨酸，在切割位点－1端的氨基酸中83.21%均为丙氨酸，在切割位点后3位的氨基酸中最多的氨基酸也是丙氨酸。

The paper also studied the antioxidation capacity of soybean peptides in the food system and non-food system. The results showed that the soybean peptides can prolong the inducing period of the axunge oxygenation and cooperate with hydroxybenzene antioxidant which was more obvious in the food system. In the non-food system, the soybean peptides can control the autooxidation speeds of octadecadienoic acid and diphenolic compound and the effect on the latter was more obvious.

论文对大豆多肽在食物体系与非食物体系中的抗氧化性能做了研究，结果表明：大豆多肽在食物体系中能够延长油脂氧化酸败的诱导期，而且与酚类抗氧化剂协同作用，效果更为明显；在非食物体系中，大豆多肽能够抑制亚油酸的自氧化及邻苯三酚的自氧化速率，其中对后者的抑制作用较前者显著。

The differences of hydrolysis degree, antioxidative activity, moisture absorption, moisture retention and oil absorption between soybean peptides and chickpea peptides were mainly investigated and the influences of the protease kinds on the functional properties of peptides were also considered.

研究付比了鹰嘴豆肽和大豆肽的水解度、抗氧化性、吸油性、吸湿及保湿性等功能特性的差异，以及蛋白酶种类对肽产物功能性质的影响。

In this article, the advance in research on tumstatin active peptides and their derivatives are introduced and the bioactivities of Tum-5, T7 and 19 peptides and the derivants of these active peptides linking with NGR sapience or human IgG3 hinge region are summarized in detail.

本文详细介绍了肿瘤抑素活性肽段及其衍生物的研究进展。对Tum-5、T7肽和19肽以及这些活性肽段连按NGR导向肽或人源性IgG3铰链区等肽段后形成的衍生物作了较详细的介绍。

Aureus secretor strain in a media containing vegetarian amino acids or peptides instead of animal peptides, harvesting the Protein A-containing media and purifying the Protein A by applying it to a synthetic resin that lacks animal peptides and filtering the elutant from the resin.

本发明涉及制备没有动物源产物污染的蛋白A的方法，其包括通过在含有植物氨基酸或肽代替动物肽的培养基中发酵金黄色葡萄球菌分泌菌株，收集含有蛋白A的培养基和纯化蛋白A，并且将其施加到没有动物肽的合成树脂上和过滤来自树脂的洗脱液。

These indicates bioactive peptides in Chinese forest frog skins have great potential for the exploitation and utilization. S_(180) cells were inoculated hypodermically at the concentration of 1×10~6 cells per mouse and the bioactive peptides in Chinese forest frog skins were resolved into aseptically distilled water to make injection liquid. After injected continuously 15 days, the inhibition rate of tumor was calculated. The induction of tumor cell apoptosis of active peptides in Chinese forest frog skins could be detected by morphological

将S_(180)胃肉瘤细胞接种至小鼠皮下，选取中国林蛙皮肤生物活性肽不同浓度样品液，连续注射种瘤小鼠15天后，计算抑瘤率；采用透射电镜观察细胞形态学变化、DNA梯度琼脂糖凝胶电泳技术、MTT比色法、流式细胞检测等技术观察中国林蛙皮肤生物活性肽对K562肿瘤细胞凋亡过程的诱导。

Specifically, the invention relates to vasoactive intestinal receptor binding peptides, derivatives and analogues of vasoactive intestinal peptide, and embodiments of such peptides radiolabeled with a radioisotope, as well as methods and kits for making, radiolabeling and using such peptides for radiodiagnostic and radiotherapeutic purposes.

具体地，本发明涉及到具血管活性肠受体结合特性的肽，血管活性肠肽的衍生物和类似物，和用放射性同位素标记这类肽的实施方案，以及生产、放射性标记与使用这类肽的方法和药盒进行放射性诊断和放射性治疗。

Based on the techniques of soybean peptides processing, this paper analyzes the possibility of producing exorphins during soybean peptides production, and dis cusses the safety of soybean peptides food.

本文结合大豆肽的生产工艺分析了大豆肽生产中产生外啡肽的可能性，并对大豆肽食品的安全问题进行了探讨。

Based on the techniques of soybean peptides processing, this paper analyzes the possibility of producing exorphins during soybean peptides production, and dis cusses the safety of soybean peptides food.

外啡肽是一类来自人体外的具有类吗啡活性的生物活性肽，在对人体具有积极的生理作用的同时也存在着一些安全隐患。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。