نتایج جستجو برای: single nucleotide poly morphism
تعداد نتایج: 1025175 فیلتر نتایج به سال:
Background and purpose: Cytokines are a group of endogenous proteins which play an influential role in regulating the inflammatory responses and defeating infectious diseases. Elevated levels of proinflammatory cytokines and their receptors are usually observed in association with immune responses against viral infections such as hepatitis B virus (HBV) infection. IL 12 and its receptor play an...
Nontranslatable transcripts containing interspersed repetitive sequence elements constitute a major fraction of the poly(A) RNA stored in the cytoplasm of both the sea urchin egg and the amphibian oocyte. We report the first complete sequence of a representative interspersed maternal RNA transcript, called ISpl. The transcript is about 3.7 kb in length [including poly(A) tail]; and the 5' half ...
DNA exhibits a surprising multiplicity of structures when it is packed into dense aggregates. It undergoes various polymorphous transitions (e.g., from the B to A form) and mesomorphous transformations (from hexagonal to orthorhombic or monoclinic packing, changes in the mutual alignment of nearest neighbors, etc). In this report we show that such phenomena may have their origin in the specific...
The complete nucleotide sequence of the genomic RNA of a marine fungoid protist-infecting virus (Schizochytrium single-stranded RNA virus; SssRNAV) has been determined. The viral RNA is single-stranded with a positive sense and is 9,018 nt in length [excluding the 3' poly(A) tail]. It contains two long open reading frames (ORFs), which are separated by an intergenic region of 92 nt. The 5' ORF ...
The fidelity of RNA replication by the poliovirus-RNA-dependent RNA polymerase was examined by copying homopolymeric RNA templates in vitro. The poliovirus RNA polymerase was extensively purified and used to copy poly(A), poly(C), or poly(I) templates with equimolar concentrations of noncomplementary and complementary ribonucleotides. The error frequency was expressed as the amount of a noncomp...
Background: Type 2 diabetes is a metabolic disorder characterized by high blood sugar levels that can damage nerves. Many organs are affected ،especially the foot that leading to loss of sensation. These factors make favorable conditions for the development of diabetic foot ulcers. Polymorphisms (Thr399Ile) of Toll Like Receptor4 (TLR4) gene due to malfunction of TLR4 protein which plays an imp...
Using the Hartree-Fock crystal orbital method band structures of poly(G̃− C̃) and poly(Ã− T̃) were calculated (G̃, etc. means a nucleotide) including water molecules and Na ions. Due to the close packing of DNA in the ribosomes the motion of the double helix and the water molecules around it are strongly restricted, therefore the band picture can be used. The mobilities were calculated from the hig...
The DNA microarray-based analysis of single nucleotide polymorphisms (SNPs) is important for the correlation of genetic variations and individual phenotypes, and for locating disease-causing genes. To facilitate the development of surfaces suitable for immobilization of oligonucleotides, we report here a novel method for the surface immobilization of DNA using pre-fabricated polyamidoamine (PAM...
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