Results 1 to 10 of about 277,742 (368)

Genome-Scale CRISPR-Cas9 Knockout Screening in Human Cells [PDF]

open access: greenScience, 2013
Improving Whole-Genome Screens Improved methods are needed for the knockout of individual genes in genome-scale functional screens. Wang et al. (p. 80, published online 12 December) and Shalem et al. (p.
Ophir Shalem   +10 more
openalex   +2 more sources

Physical Model of the Immune Response of Bacteria Against Bacteriophage Through the Adaptive CRISPR-Cas Immune System [PDF]

open access: greenPhys. Biol. 10 (2013) 025004, 2014
Bacteria and archaea have evolved an adaptive, heritable immune system that recognizes and protects against viruses or plasmids. This system, known as the CRISPR-Cas system, allows the host to recognize and incorporate short foreign DNA or RNA sequences, called `spacers' into its CRISPR system.
Pu Han   +3 more
arxiv   +3 more sources

The FHA domain protein ArnA functions as a global DNA damage response repressor in the hyperthermophilic archaeon Saccharolobus islandicus

open access: yesmBio, 2023
Forkhead-associated (FHA) domain proteins specifically recognize phosphorylated threonine via the FHA domain and are involved in signal transduction in various processes especially DNA damage response (DDR) and cell cycle regulation in eukaryotes ...
Zhichao Jiang   +9 more
doaj   +1 more source

A Well-Conserved Archaeal B-Family Polymerase Functions as an Extender in Translesion Synthesis

open access: yesmBio, 2022
B-family DNA polymerases (PolBs) of different groups are widespread in Archaea, and different PolBs often coexist in the same organism. Many of these PolB enzymes remain to be investigated.
Xu Feng   +9 more
doaj   +1 more source

Enhanced genome editing efficiency of CRISPR PLUS: Cas9 chimeric fusion proteins

open access: yesScientific Reports, 2021
Efforts to improve CRISPR-Cas9 genome editing systems for lower off-target effects are mostly at the cost of its robust on-target efficiency. To enhance both accuracy and efficiency, we created chimeric SpyCas9 proteins fused with the 5′-to-3 ...
Jongjin Park   +11 more
doaj   +1 more source

A review on genome editing by CRISPR-Cas9 technique for cancer treatment [PDF]

open access: yesWorld Cancer Research Journal, 2020
In this review, we summarize CRISPR-Cas9 system-based gene modification for the therapeutic treatment of cancer. Cancer is a group of diseases involving anomalous cell growth with the potential to invade or blow out to other parts of the body, which is ...
M. Niuz Morshed Khan   +3 more
doaj   +1 more source

Heterologous autoimmunity and prokaryotic immune defense [PDF]

open access: yesCurrent Biology 2022, 2021
Some prokaryotes possess CRISPR-Cas systems that provide adaptive immunity to viruses guided by DNA segments called spacers acquired from invading phage. However, the patchy incidence and limited memory breadth of CRISPR-Cas systems suggest that their fitness benefits are offset by costs.
arxiv   +1 more source

Enzymatic Switching Between Archaeal DNA Polymerases Facilitates Abasic Site Bypass

open access: yesFrontiers in Microbiology, 2021
Abasic sites are among the most abundant DNA lesions encountered by cells. Their replication requires actions of specialized DNA polymerases. Herein, two archaeal specialized DNA polymerases were examined for their capability to perform translesion DNA ...
Xu Feng   +10 more
doaj   +1 more source

Decreasing of Monosaccharide Contents Resulted From Cold- Induced Sweetening in Tetraploid Potato (Solanum tuberosum L.) Using Genome Editing [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2023
Worldwide, potato (Solanum tuberosum L.) is one of the most essential agro-economically food crops. To ensure its presence throughout the year for food processors and to extend its shelf life, it should be stored in cold temperatures.
Sally Hassan   +5 more
doaj   +1 more source

The archaeal KEOPS complex possesses a functional Gon7 homolog and has an essential function independent of the cellular t6A modification level

open access: yesmLife, 2023
Kinase, putative Endopeptidase, and Other Proteins of Small size (KEOPS) is a multisubunit protein complex conserved in eukaryotes and archaea.
Pengju Wu   +8 more
doaj   +1 more source

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