蛋白质降解

以离体欧芹叶片为实验系统，研究了CO2对叶片中蛋白质降解的影响。

The effect of CO 2 on protein degradation in leaf was studied with detached parsley leaves .

NaCl胁迫对玉米幼苗叶片蛋白质降解和脯氨酸累积的影响

Effect of NaCl Stress on Protein Degradation and Proline Accumulation of Maize Seedling Leaves

钙离子、pH值以及成熟时间对干酪蛋白质降解的影响

The Effect of Caclium Concentration , pH Value and Ripening Time on Proteolysis of Cheese

TNFα在严重烫伤大鼠骨骼肌泛素依赖的蛋白质降解途径中的作用

Effects of TNF α on ubiquitin-dependent skeletal muscle proteolysis in severe scalding rats

TNFα对大鼠骨骼肌蛋白质降解速率的影响

Effect of Tumor Necrosis Factor - α on the Rate of Skeletal Muscle Protein Breakdown in Rats

中等活力种子经PEG和PUT处理可提高种子活力，也促进了种子贮藏蛋白质降解能力的提高。

Than those in medium-vigor seeds , pretreatment with PEG and PUT enhanced both the vigor and the degradation rate of storage proteins of deteriorated peanut seeds .

目的探讨大鼠烫伤后骨骼肌蛋白质降解增强的机制和TNFα作用的关系。

Objective To study the mechanism of intensified proteolysis of skeletal muscles after severe scalding in rats and its relation with TNF α .

家兔心肌自溶蛋白质降解与死亡时间的关系泛素依赖的蛋白酶体水解通路对p53转录活性的作用

THE SIGNIFICANCE OF DETERMINING PROTEOLYSIS OF AUTOLYZING MYOCARDIUM FOR THE TIMING OF DEATH Ubiquitin-dependent Proteasome Proteolysis is Involved in Both p53 Transactivation and Degradation

热重分析显示，CB主要改善了蛋白质降解阶段的稳定性，由此增加了蛋白质复合材料的热稳定性。

TGA revealed that CB enhanced the stability at the protein decomposition stage , therefore improved the thermal stability of the nanocomposites .

泛素新通路显示泛素除了介导蛋白质降解，还参与DNA损伤修复，介导炎症信号转导，调控蛋白质转运，甚至促进蛋白质合成。

The new findings showed that ubiquitin also participated in the recovery of DNA damage , mediated transduction of inflammation signal , regulated protein transport and even promoted protein synthesis besides of its effect in mediating protein degradation .

背景与目的泛素-蛋白酶体系统（ubiquitin-ProteasomeSystem，UPS）是细胞内主要的蛋白质降解系统，其参与许多调节重要生命过程的蛋白质的降解。

Background : Ubiquitin-proteasome system ( UPS ) is a major intracellular pathway for the degradation of proteins . Multiple proteins which govern important life processes of the cell are degraded by the UPS .

白点中的蛋白质降解程度很高，经梯度SDS-PAGE凝胶分析，发现白点含有两种主要蛋白质，其分子量为51000和13200。

Proteins in panicles would decompose significantly , and two main proteins with molecular weights of respectively 51000 and 13200 were detected by gradient SDS-PAGE in particles .

豆粕虽然在2h降解率比较低，但在2h后直线上升，蛋白质降解率仅次于花生粕。

Soybean meal was lower in two hours , but it rose in beeline after two hours . The protein degradation rate was lower than peanut only .

通过HPLC对多肽分子量进行分段，分析各段多肽变化，结合SDS-PAGE图谱分析主要参与黑色素形成的蛋白质降解物的主要来源。

The molecular weight of the peptide segment of HPLC , analysis the main source of polypeptide changes , combined with the SDS-PAGE mapping analysis mainly involved in protein degradation of melanin formation .

对3种羊奶干酪成熟期间蛋白质降解的研究表明，鲜干酪成熟期间pH较高，化学成分变化不大，整个成熟期间蛋白质降解较少。

The study on protein degradation of three types of goat cheeses during ripening showed that fresh cheese had higher pH value , the chemical composition demonstrated no significant changes and the protein degradation was smaller in the whole ripening periods .

结果表明：叶片衰老时最早出现光合作用速率下降，其次是蛋白质降解，而后是叶绿素、RNA含量下降，最后原生质选透性丧失。

The initial symptoms of leaf senescence were a decline in photosynthesis and protein content , then a decrease in chlorophyll and RNA contents , and the ultimate change was a loss of selective permeability of protoplasm .

在蛋白质降解产物中，水溶性氮（WSN）和非蛋白氮（NPN）从第2天到第7天有较大幅度的增加；

In degradation products of protein , water soluble nitrogen ( WSN ) and non protein nitrogen ( NPN ) increased rapidly from 2nd to 7th day of ripening .

结论：TNFα具有全身效应，能通过循环系统作用于骨骼肌，并通过增加Ub含量促进骨骼肌蛋白质降解。

Conclusion : TNF - α has systemic effect . It can act on skeletal muscles via the circulatory system , and increase the Ub contents to promote protein breakdown of skeletal muscles .

ATP依赖蛋白酶体ATP结合亚基clpC和蛋白酶体α亚基5是蛋白质降解相关的酶，参与清除植物体内受损的蛋白质。

ATP-dependent Clp protease ATP-binding subunit clpC homolog and proteasome subunit alpha type 5 are both related to the degradation of protein , taking part in clearing damaged proteins in plant .

以上结果表明：ACR与CDDP合用能够提高对卵巢癌细胞杀伤效果，泛素-蛋白质降解途径在其中发挥重要作用。

In conclusion , ACR combined with CDDP can increase the efficiency of killing the ovarian cancer cells , and the ubiquitin-protein degradation system might play an important role in it .

钙蛋白酶抑制蛋白（Calpastatin，CAST）是一种内源性的、需Ca2+激活的钙蛋白酶抑制剂，可抑制肌肉内蛋白质降解，降低肌细胞生长速度；

Calpastatin ( CAST ) is an endogenous inhibitor of the calpain system activated by Ca2 + . It inhibits the decomposability of protein in muscle and reduces the growth speed of muscle cell .

F-box蛋白是泛素连接酶（SCF复合物）家族的成员，这提示：泛素-26S蛋白酶体蛋白质降解系统在自交不亲和反应中可能发挥着重要作用。

SLF encodes an F-box protein that is a component of ubiquitin ligase ( SCF complex ), raising the possibility that the ubquitin / 26S proteolytic system plays a central role in the discrimination of self / nonself pollen in the RNase-based GSI .

结果表明，48h的大豆粕蛋白质降解率最高，达93.56%，其次为葵籽饼、棉籽粕、鱼粉，分别为87.44%、84.91%和58.15%。

Results show that at 48 of incubation , the protein degradability of soybean meal is 93.56 % , which is the highest in all feeds . The protein degradability of sunflower meal , cottonseed meal , fish meal are 87.44 % , 84.91 % and 58.15 % , respectively .

泛素-蛋白酶体通路是目前已知的最重要的、有高度选择性的依赖ATP的蛋白质降解途径，它由泛素、多种酶、26S蛋白酶体等组成，细胞内约80%的细胞蛋白由该通路降解。

The ubiquitin-proteasome system is known as the most important and highly selective ATP-dependent protein degradation pathway which consists of ubiquitin , enzymes and 26S proteasome , by which about 80 % intracellular protein can be degradation . About eighty percent of cell protein degradation is through this pathway .

反刍动物饲料蛋白质降解率测定方法述评

Review of methods for determining degradability of feed protein for ruminant

纤维酶-胃蛋白酶法评定青粗饲料蛋白质降解率的研究

Estimating of the Protein Degradability of Forage by the Cellulase-Pepsin Technique

泛素依赖性的蛋白质降解途径是目前已知的重要的、有高度选择性的蛋白降解途径之一。

Ubiquitin / proteasome-dependent pathway is a highly selective proteolysis pathway .

饼粕类饲料蛋白质降解率的研究

Estimation of feed protein degradation rate in the rumen of sheep

羊奶干酪成熟期间蛋白质降解的研究

The Study on the Protein Degradation of Goat Cheese in Ripening

瘤胃微生物对蛋白质降解影响的研究

Research of the Degradability of Protein by the Rumen Microorganisms