نتایج جستجو برای: mutant
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Any single-enzyme directed evolution strategy has two fundamental requirements: the need to efficiently introduce variation into a gene of interest and the need to create an effective library from those variants. Generation of a maximally diverse gene library is particularly important when employing nontargeted mutagenesis strategies such as error-prone PCR (epPCR), which seek to explore very l...
1Department of Neuropathology, Institute of Pathology, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany; 2Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ), Heidelberg, Germany; 3Department of Medicine I and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; 4Department of General Pathology, Institute of Pathology, Ruprecht-Karls-U...
conclusions: the hereditary stability analysis of the uv mentioning 45 minutes revealed the uv exposure time for mutants and 3 represented the colony taken from the plate irradiated for 45 minutes mutant showed that the production of avermectin b1b remained constant and no reverse mutation occurred after 15 generations. results: avermectin b1b-hyper-producing mutant, produced using these three ...
. the results of multiple qtl mapping design in recent years indicated quantitative trait loci for milk fat percentage and milk yield traits identified in bta14. dgat1 gene coding diacylglycerol-acyltransferase enzyme, has a main role in the triglyceride synthesis and finally fat milk synthesis. a transition mutation in this gene results substitution of guanine by adenine in the gene causing su...
Cellular functions are mediated through complex systems of macromolecules and metabolites linked through biochemical and physical interactions, represented in interactome models as 'nodes' and 'edges', respectively. Better understanding of genotype-to-phenotype relationships in human disease will require modeling of how disease-causing mutations affect systems or interactome properties. Here we...
Utilizing cutting-edge supervised classification and regression algorithms, three web-based tools have been developed for predicting stability changes upon single residue substitutions in proteins with known native structures. Trained models classify independent mutant test sets with accuracies ranging from 87 to 94%. Attributes representing each mutant protein are based on a computational muta...
Highly purified preparations of dnaA46 protein have permitted its biochemical characterization in comparison with the activities of wild type dnaA protein. We have determined that dnaA46 protein was reduced in its ability to bind to DNA fragments containing oriC. This mutant protein was also defective in binding ATP and was inactive for replication of oriC-containing plasmids in purified enzyme...
Water deficient stress is one of the major limiting factors of wheat production in arid and semiarid areas of the world such as Iran. Under water deficient stress photosynthesis is limited and remobilization of assimilates stored in stems is more important to grain filling. In order to molecular analysis of fructan remobilization in wheat stem (penultimate) under terminal water deficit stress, ...
Abstract Small GTPases of the Rab family play important roles in membrane trafficking and autophagy. Previous studies have shown that small GTPase Sec4 is involved vegetative growth, protein secretion, pathogenicity fungal phytopathogens. In this study, BcSec4, an ortholog yeast Sec4p protein, was characterized Botrytis cinerea . The ΔBcSEC4 mutant produces many abnormal conidiophores; it thus ...
Background: The tumor immune microenvironment influences evolution in non-small cell lung cancer (NSCLC). Yet, the prognostic value of programmed death-ligand 1 (PD-L1) epidermal growth factor receptor (EGFR)-mutant NSCLC remains controversial. Additionally, studies Filipinos with EGFR-mutant remain unexplored to this day.
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