Results 141 to 150 of about 1,194,207 (363)

Selection of a Multidrug Resistance Plasmid by Sublethal Levels of Antibiotics and Heavy Metals

open access: yesmBio, 2014
How sublethal levels of antibiotics and heavy metals select for clinically important multidrug resistance plasmids is largely unknown. Carriage of plasmids generally confers substantial fitness costs, implying that for the plasmid-carrying bacteria to be
E. Gullberg   +4 more
semanticscholar   +1 more source

Nuclear pore links Fob1‐dependent rDNA damage relocation to lifespan control

open access: yesFEBS Open Bio, EarlyView.
Damaged rDNA accumulates at a specific perinuclear interface that couples nucleolar escape with nuclear envelope association. Nuclear pores at this site help inhibit Fob1‐induced rDNA instability. This spatial organization of damage handling supports a functional link between nuclear architecture, rDNA stability, and replicative lifespan in yeast.
Yamato Okada   +5 more
wiley   +1 more source

Promiscuous stimulation of HSP70 ATPase activity by parasite‐derived J‐domains

open access: yesFEBS Open Bio, EarlyView.
The malaria parasite Plasmodium falciparum exports three highly homologous yet functionally divergent J‐domain proteins into human erythrocytes. Here, we show that J‐domains isolated from all three proteins effectively stimulate the ATPase activity of both endogenous host and exported parasite HSP70 chaperones.
Julian Barth   +6 more
wiley   +1 more source

Impact of Predation by Ciliate Tetrahymena borealis on Conjugation in Aeromonas salmonicida subsp. salmonicida

open access: yesAntibiotics
Background/Objectives: Antibiotic resistance gene (ARG) spread is driven by horizontal gene transfer (HGT). Ciliated protozoa may contribute to this process, as their predation has been shown to facilitate HGT in certain bacteria.
Alicia F. Durocher   +4 more
doaj   +1 more source

Step by Step Design of Popular and Common Vectors in Genetic Manipulation Using CRISPR/Cas9 System

open access: yesمجله علمی دانشگاه علوم پزشکی کردستان, 2022
Background and Aim: Genome editing is an efficient and accurate method in biological and medical studies. Among the wide range of genome editing techniques, clustered regularly interspaced short palindromic repeats (CRISPR) is one of the simplest and yet
MINA KOLAHDOUZMOHAMMADI   +4 more
doaj  

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

open access: yesFEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli   +8 more
wiley   +1 more source

Plasmid R1 is present as clusters in the cells of Escherichia coli

open access: yes, 2000
Fluorescence microscopy was used to determine the location(s) of the replication origin of plasmid R1 in exponentially growing cells of Escherichia coli.
Nordstrom, K, Dasgupta, S, Tao, WT,
core  

On plasmids : studies of plasmid-host and plasmid-plasmid interactions

open access: yes, 2017
Os plasmídeos são moléculas de DNA de cadeia dupla frequentemente isoladas a partir de populações bacterianas. Os plasmídeos replicam-se no interior das suas células hospedeiras e dependem dos seus mecanismos replicativos. Os plasmídeos podem também codificar vários factores envolvidos neste processo.
openaire   +1 more source

Exon 7 splicing of ERα predicts poor prognosis and increases phenotypic heterogeneity in luminal a subtype breast cancer

open access: yesFEBS Open Bio, EarlyView.
ERα splice variant ERα∆7 lacks the C‐terminus, and its expression may change phenotypes of breast cancers. Our results showed that ERα∆7 is found in the luminal A subtype, and elevated ERα∆7 levels are linked to improved cell survival with lower proliferation and migration.
Long Wai Tsui   +10 more
wiley   +1 more source

Identification and molecular genetic analysis of replication functions of the bacteriocinogenic plasmid pIP404 from Clostridium perfringens

open access: yes
The replication functions of the bacteriocinogenic plasmid pIP404, from Clostridium perfringens, were localized to a 2.8-kb EcoRI-EcoRV fragment by cloning into a vector deficient for replication in Bacillus subtilis.
Garnier, T, Cole, S T
core   +1 more source

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