نتایج جستجو برای: mutagenesis analysis
تعداد نتایج: 2845236 فیلتر نتایج به سال:
Forward genetic screens in haploid mammalian cells have recently emerged as powerful tools for the discovery and investigation of recessive traits. Use of the haploid system provides unique genetic tractability and resolution. Upon positive selection, these screens typically employ analysis of loss-of-function (LOF) alleles and are thus limited to non-essential genes. Many relevant compounds, i...
We find that partially different sets of gene functions are required for the production of different kinds of mutations induced by 60Co gamma rays in Saccharomyces cerevisiae. This observation is very similar to others made previously with respect to UV mutagenesis (LAWRENCE and CHRISTENSEN 1978a,b, 1979) and confirms the conclusion that such distinctive patterns of genetic control reflect prop...
background: among all common techniques in sitedirectedmutagenesis, λ red recombinase system has beenwidely used to knock out chromosomal genes in bacteria. in thismethod, there is always the risk of dna linear digestion byhost's restriction enzymes that leads to the low frequency ofrecombination. objectives:to overcome this, we constructeda recombinant vector to disrupt phop gene in salmonella...
Analysis of mutations in thousands of cancer genomes has revealed many characteristic patterns of mutagenesis. The search for the molecular mechanisms underlying these mutational patterns has not only generated novel biological insight but also led to the development of new experimental strategies to study cell-to-cell variation and genome evolution. In this essay, we discuss recent progress in...
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