نتایج جستجو برای: in his mushkilat al
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In his Masnavi, Jalaluddin Rumi writes about a marvelous Shaykh who could walk in the desert at night and see things in the dark. This Shaykh was the 3rd/9th Century mystic Abu Άbdullah al-Maghribi whose biography is found in different hagiographies, including the Thdhkirat al-aulia of Fariduddin Attār of Nishapur. Maghribi was a vegetarian and lived a long life (over 120 years). Some of his ...
the present article intends to study badr shakir al sayyab poetries in descriptive – analytical method by place semiotics which is paid attention by linguists. the outcome is that the study of place semiotics assists us to find the place beauties in sayyab poetries and discover the hidden treasures inside his poetry by the cities and villages he met his beloved. this article has been done based...
abstract governing was disorganized for years, when mongols attached to iran and it caused to clearing way for interference of mongols princes. dispatching of holaku to the west culminated in establishing iilkhanan government. holakus activities in destruction of abbaasis government and activities which shows his staying in iran, made force oulus juji to comparison against iilkhanis gover...
Herpes simplex virus 1 (HSV-1) ICP27 and ICP8 proteins have both been implicated in the transcription of late genes and regulation of viral gene expression. We showed previously that ICP27 and ICP8 associate with the RNAP II holoenzyme (Zhou and Knipe, J. Virol. 76, 5893-5904). Here, we demonstrate that ICP27 and ICP8 coprecipitate from lysates of HSV-1-infected HEp2 cells and from lysates of i...
BACKGROUND The detection of unknown mutations is important in research and medicine. For this purpose, a mismatch-specific endonuclease CEL I from celery has been established as a useful tool in high throughput projects. Previously, CEL I-like activities were described only in a variety of plants and could not be expressed in an active form in bacteria. RESULTS We describe expression of activ...
Precursor protein translocation across the Escherichia coli inner membrane is mediated by the translocase, which is composed of a heterotrimeric integral membrane protein complex with SecY, SecE, and SecG as subunits and peripherally bound SecA. Cross-linking experiments were conducted to study which proteins are associated with SecA in vivo. Formaldehyde treatment of intact cells results in th...
Bacterial cell surface display is a widely used technology for bioadsorption and for the development of a variety of screening systems. Magnetotactic bacteria are unique species of bacteria due to the presence of magnetic nanoparticles within them. These intracellular, nanosized (50 to 100 nm) magnetic nanoparticles enable the cells to migrate and be manipulated by magnetic force. In this work,...
Escherichia coli K1 is a leading pathogen in neonatal sepsis and meningitis. The K1 capsule, composed of alpha2,8-linked polysialic acid, represents the major virulence factor. In some K1 strains, phase-variable O-acetylation of the capsular polysaccharide is observed, a modification that is catalyzed by the prophage-encoded O-acetyltransferase NeuO. Phase variation is mediated by changes in th...
This work describes the synthesis and use of the chelator lipid, nitrilotriacetic acid ditetradecylamine (NTA-DTDA). This lipid is readily dispersed in aqueous media, both alone and when mixed with carrier lipids like dimyristoylphosphatidylcholine (DMPC). Fluorescence microscopic examination of membranes deposited from NTA-DTDA-containing liposomes shows that NTA-DTDA mixes uniformly with the ...
Protein-protein interactions play key roles in protein function and the structural organization of a cell. A thorough description of these interactions should facilitate elucidation of cellular activities, targeted-drug design, and whole cell engineering. A large-scale comprehensive pull-down assay was performed using a His-tagged Escherichia coli ORF clone library. Of 4339 bait proteins tested...
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