نتایج جستجو برای: اتصال rbs
تعداد نتایج: 10600 فیلتر نتایج به سال:
The human developmental diseases Cornelia de Lange Syndrome (CdLS) and Roberts Syndrome (RBS) are both caused by mutations in proteins responsible for sister chromatid cohesion. Cohesion is mediated by a multi-subunit complex called cohesin, which is loaded onto chromosomes by NIPBL. Once on chromosomes, cohesin binding is stabilized in S phase upon acetylation by ESCO2. CdLS is caused by heter...
در سازه ها برای داشتن جذب انرژی پلاستیک قابل توجه، وقوع تسلیم ضروری است و شکست ترد اتصال مانع از این می شود که اتصالات صلب جوشی، رفتار غیر الاستیک مورد نظر را برای مقاومت در برابر بارهای زلزله از خود نشان بدهند. طراحی اتصالات قبل از زلزله نورتریج به نحوی انجام می گردید که مفصل پلاستیک در بر ستون، یعنی جایی که بالاترین قیود و تنش های سه محوره وجود دارد، به وقوع بپیوندد. تنش های سه محوره تاثیر ز...
Persistence of tissue spirochetes of Borrelia burgdorferi as helices and round bodies (RBs) explains many erythema-Lyme disease symptoms. Spirochete RBs (reproductive propagules also called coccoid bodies, globular bodies, spherical bodies, granules, cysts, L-forms, sphaeroplasts, or vesicles) are induced by environmental conditions unfavorable for growth. Viable, they grow, move and reversibly...
The first step in programming and controlling cell behavior is to establish a library of well-defined components, a.k.a. "biobricks", that serve as the building blocks of artificial gene networks. The main challenge in genetic circuit design lies in selecting well-matched genetic components that when coupled, reliably and consistently act in a desired behavior. Although the parameter values are...
در این پژوهش با استفاده از نرم افزار آباکوس رفتار چرخه ای تیرهای فشرده rbs با erbs مقایسه شده است و در ادامه با تبدیل این تیرها به تیرهای غیر فشرده، تأثیر غیرفشردگی و استفاده از سخت کننده های طولی در این تیرها مورد مطالعه قرار گرفته است. در انتها با بررسی رفتار این اتصالات به صورت مجزا و همچنین رفتار درون قابی آن ها مشخص شده است که ترکیب اتصال erbs با تیر غیرفشرده ی دارای سخت کننده طولی می توان...
Cohesion between sister chromatids is essential for faithful chromosome segregation. In budding yeast, the acetyltransferase Eco1/Ctf7 establishes cohesion during DNA replication in S phase and in response to DNA double strand breaks in G2/M phase. In humans two Eco1 orthologs exist: ESCO1 and ESCO2. Both proteins are required for proper sister chromatid cohesion, but their exact function is un...
Chlamydiae are eubacteria that are currently separated into four species: Chlamydia psittaci and Chlamydia pecorum, which are important animal pathogens, and Chlamydia trachomatis and Chlamydia pneumoniae, which are significant agents of sexually transmitted, ocular, respiratory, and other infections in humans. Chlamydiae possess several intriguing features that are unique among eubacteria. One...
BACKGROUND Chlamydia trachomatis is a major human pathogen with a unique obligate intracellular developmental cycle that takes place inside a modified cytoplasmic structure known as an inclusion. Following entry into a cell, the infectious elementary body (EB) differentiates into a non-infectious replicative form known as a reticulate body (RB). RBs divide by binary fission and at the end of th...
Aim of the study was to evaluate the diagnostic performance of the Rose Bengal score test for Sjøgren's syndrome (SS), and to explore differences between other tests and examinations. All participants were examined, including (but not limited to) unstimulated (UWS) and stimulated (SWS) whole saliva, labial gland biopsy (LGB or focus score), ophthalmologic questionnaire (ocular surface disease i...
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