Results 1 to 10 of about 126,813 (257)

The fitness cost of spurious phosphorylation [PDF]

open access: yesThe EMBO Journal, 2023
The fidelity of signal transduction requires the binding of regulatory molecules to their cognate targets. However, the crowded cell interior risks off-target interactions between proteins that are functionally unrelated. How such off-target interactions
David Bradley   +8 more
doaj   +6 more sources

Large-Scale Analysis of Fitness Cost of tet(X4)-Positive Plasmids in Escherichia coli [PDF]

open access: yesFrontiers in Cellular and Infection Microbiology, 2022
Tigecycline is one of important antimicrobial agents for the treatment of infections caused by multidrug-resistant (MDR) Gram-negative bacteria. However, the emergence and prevalence of plasmid-mediated tigecycline resistance gene tet(X4) are threatening
Feifei Tang   +9 more
doaj   +4 more sources

The Role of Antibiotic Resistance Genes in the Fitness Cost of Multiresistance Plasmids [PDF]

open access: yesmBio, 2022
By providing the bacterial cell with protection against several antibiotics at once, multiresistance plasmids have an evolutionary advantage in situations where antibiotic treatments are common, such as in hospital environments.
Fredrika Rajer, Linus Sandegren
doaj   +4 more sources

Fitness cost of reassortment in human influenza. [PDF]

open access: yesPLoS Pathogens, 2017
Reassortment, which is the exchange of genome sequence between viruses co-infecting a host cell, plays an important role in the evolution of segmented viruses.
Mara Villa, Michael Lässig
doaj   +4 more sources

Genomic features and fitness cost of co-existence of blaKPC-2 and blaVIM-2 plasmids in ICU-derived pan-drug resistant Pseudomonas aeruginosa [PDF]

open access: yesFrontiers in Cellular and Infection Microbiology
BackgroudThe emergence of carbapenem-resistant Pseudomonas aeruginosa (CRPA) co-producing KPC-2 and VIM-2 has increased the healthcare threats.ResultsIn this study, a CRPA strain 18102011, was isolated from the bile of a burn patient in ICU of China. Its
Lin Zheng   +10 more
doaj   +2 more sources

Fitness Cost of the Field-Evolved Resistance to Sulfoxaflor and Multi-Insecticide Resistance of the Wheat Aphid Sitobion miscanthi (Takahashi) [PDF]

open access: yesInsects, 2023
Sulfoxaflor belongs to a new class of insecticides that is effective against many sap-feeding pests. In this study on Sitobion miscanthi (Takahashi) (i.e., the predominant wheat pest), a highly sulfoxaflor-resistant (SulR) population was obtained from a ...
Xinan Li   +10 more
doaj   +2 more sources

Mycobacterium tuberculosis: mechanisms and interactions between drug resistance mutations with fitness costs and the drug resistance phenotypes [PDF]

open access: yesInfectious Diseases and Tropical Medicine, 2022
Multidrug-resistant and extensively drug-resistant Mycobacterium tuberculosis are no news and have contributed to the continued scourge of tuberculosis today. Acquisition of drug resistance by M.
R. Olamilekan Adesola   +1 more
doaj   +1 more source

Diet can alter the cost of resistance to a natural parasite in Caenorhabditis elegans

open access: yesEcology and Evolution, 2023
Resistance to parasites confers a fitness advantage, yet hosts show substantial variation in resistance in natural populations. Evolutionary theory indicates that resistant and susceptible genotypes can coexist if resistance is costly, but there is mixed
Juliana Jiranek, Amanda Gibson
doaj   +1 more source

Pseudomonas aeruginosa heteroresistance to levofloxacin caused by upregulated expression of essential genes for DNA replication and repair

open access: yesFrontiers in Microbiology, 2022
Pseudomonas aeruginosa (P. aeruginosa), a common cause of severe chronic infections, has developed heteroresistance to several antibiotics, thus hindering successful treatment.
Wen-Ru Li   +7 more
doaj   +1 more source

Emergence and Mechanism of Resistance of Tulathromycin Against Mycoplasma hyopneumoniae in a PK/PD Model and the Fitness Costs of 23S rRNA Mutants

open access: yesFrontiers in Veterinary Science, 2022
Macrolides are widely used in diseases caused by Mycoplasma spp. The new semi-synthetic macrolide antibiotic tulathromycin is currently in wide use for the treatment of respiratory diseases of livestock.
Xirui Xia   +4 more
doaj   +1 more source

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