Results 71 to 80 of about 358,387 (202)

The size of the immune repertoire of bacteria

open access: yes, 2019
Some bacteria and archaea possess an immune system, based on the CRISPR-Cas mechanism, that confers adaptive immunity against phage. In such species, individual bacteria maintain a "cassette" of viral DNA elements called spacers as a memory of past ...
Balasubramanian, Vijay   +3 more
core   +1 more source

Optimal number of spacers in CRISPR arrays

open access: yes, 2017
We estimate the number of spacers in a CRISPR array of a bacterium which maximizes its protection against a viral attack. The optimality follows from a competition between two trends: too few distinct spacers make the bacteria vulnerable to an attack by ...
Ispolatov, Yaroslav   +2 more
core   +1 more source

Cloning-free CRISPR

open access: yesStem Cell Reports, 2015
We present self-cloning CRISPR/Cas9 (scCRISPR), a technology that allows for CRISPR/Cas9-mediated genomic mutation and site-specific knockin transgene creation within several hours by circumventing the need to clone a site-specific single-guide RNA (sgRNA) or knockin homology construct for each target locus.
Arbab, Mandana   +4 more
openaire   +9 more sources

Tunable Transcriptional Interference at the Endogenous Alcohol Dehydrogenase Gene Locus in Drosophila melanogaster

open access: yesG3: Genes, Genomes, Genetics, 2020
Neighboring sequences of a gene can influence its expression. In the phenomenon known as transcriptional interference, transcription at one region in the genome can repress transcription at a nearby region in cis. Transcriptional interference occurs at a
Victoria Jorgensen   +12 more
doaj   +1 more source

Reactivating Fetal Hemoglobin Expression in Human Adult Erythroblasts Through BCL11A Knockdown Using Targeted Endonucleases. [PDF]

open access: yes, 2016
We examined the efficiency, specificity, and mutational signatures of zinc finger nucleases (ZFNs), transcriptional activator-like effector nucleases (TALENs), and clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 systems designed to
Bjurström, Carmen F   +11 more
core   +3 more sources

CRISPR/Cas9-mediated mutagenesis of CAROTENOID CLEAVAGE DIOXYGENASE 8 in tomato provides resistance against the parasitic weed Phelipanche aegyptiaca. [PDF]

open access: yes, 2019
Broomrapes (Phelipanche aegyptiaca and Orobanche spp.) are obligate plant parasites that cause extreme damage to crop plants. The parasite seeds have strict requirements for germination, involving preconditioning and exposure to specific chemicals ...
Aly, Radi   +8 more
core  

Whole Genome Analysis of Tibetan Kefir-Derived Lactiplantibacillus Plantarum 12-3 Elucidates Its Genomic Architecture, Antimicrobial and Drug Resistance, Potential Probiotic Functionality and Safety

open access: yesFrontiers in Bioscience-Landmark
Background: Lactiplantibacillus plantarum 12-3 holds great promise as a probiotic bacterial strain, yet its full potential remains untapped. This study aimed to better understand this potential therapeutic strain by exploring its genomic landscape ...
Tariq Aziz   +10 more
doaj   +1 more source

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

open access: yesScientific Reports, 2021
Jongjin Park   +11 more
doaj   +1 more source

CRISPR's unwanted anniversary [PDF]

open access: yesScience, 2019
There are key moments in the history of every disruptive technology that can make or break its public perception and acceptance. For CRISPR-based genome editing, such a moment occurred 1 year ago—an unsettling push into an era that will test how society decides to use this revolutionary technology.
openaire   +2 more sources

Delivering CRISPR: a review of the challenges and approaches

open access: yesDrug Delivery, 2018
Gene therapy has long held promise to correct a variety of human diseases and defects. Discovery of the Clustered Regularly-Interspaced Short Palindromic Repeats (CRISPR), the mechanism of the CRISPR-based prokaryotic adaptive immune system (CRISPR ...
Christopher A. Lino   +3 more
doaj   +1 more source

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