Results 61 to 70 of about 54,573 (154)

Chromosomal and Plasmid-Borne Tigecycline Resistance Genes tet (X3) and tet (X4) in Dairy Cows on a Chinese Farm

open access: yesAntimicrobial Agents and Chemotherapy, 2020
We isolated 47 Acinetobacter strains carrying tet (X3) and 4 ST767 E. coli strains carrying tet (X4) from 296 rectal swab samples from dairy cows on a Chinese farm. tet (X3) was located on chromosomes or diverse plasmids,
Rong Zhang   +15 more
openaire   +3 more sources

Detection of Plasmid-Mediated Tigecycline Resistance Gene tet(X4) in a Salmonella enterica Serovar Llandoff Isolate

open access: yesInfectious Microbes & Diseases, 2021
. The emergence and spread of plasmid-mediated tigecycline resistance genes have attracted extensive attention worldwide. We investigated the distribution of mobile tigecycline resistance genes in Salmonella genomes generated by both our laboratory and ...
Yanan Wang   +16 more
doaj   +1 more source

Salmonella enterica serovars Typhimurium and Enteritidis causing mixed infections in febrile children in Mozambique [PDF]

open access: yes, 2018
Background and purpose: Invasive nontyphoidal salmonellosis, mostly caused by serovars Typhimurium and Enteritidis of Salmonella enterica, has emerged as a major public health problem in sub-Saharan ...
Alonso, Pedro   +5 more
core   +4 more sources

Tigecycline resistance tet(X3) gene is going wild

open access: yesBiosafety and Health, 2020
The emergence of mobile Tigecycline-resistant tet(X3) and tet(X4) is believed to be a global threat to public health. Here, we investigated the prevalence of tet(X3) and tet(X4) in our metagenomic data of migratory birds. While tet(X4) was not identified
Jian Cao   +6 more
doaj   +1 more source

Clonal relationship of tet(X4)-positive Escherichia coli ST761 isolates between animals and humans

open access: yesJournal of Antimicrobial Chemotherapy, 2022
Abstract Objectives To characterize the relationship of tet(X4)-positive isolates from different hosts and environments. Methods PCR and MALDI-TOF MS were used to identify the tet(X4)-positive isolates.
Weishuai, Zhai   +9 more
openaire   +2 more sources

Positive regulation of meiotic DNA double-strand break formation by activation of the DNA damage checkpoint kinase Mec1(ATR) [PDF]

open access: yes, 2013
During meiosis, formation and repair of programmed DNA double-strand breaks (DSBs) create genetic exchange between homologous chromosomes-a process that is critical for reductional meiotic chromosome segregation and the production of genetically diverse ...
Allison, Rachal M   +4 more
core   +1 more source

Algebraic Conformal Field Theories II

open access: yes, 1999
Some mathematical questions relating to Coset Conformal Field Theories (CFT) are considered in the framework of Algebraic Quantum Field Theory as developed previously by us. We consider the issue of fixed point resolution in the diagonal coset of type A,
Xu, Feng
core   +1 more source

Plasmid-mediated tigecycline-resistant gene tet(X4) in Escherichia coli from food-producing animals, China, 2008–2018

open access: yesEmerging Microbes and Infections, 2019
The recent emergence of plasmid-mediated tigecycline resistance genes, tet(X3) and tet(X4), in animals and humans in China would pose a foreseeable threat to public health.
Chengtao Sun   +11 more
doaj   +1 more source

Experimental and modeling studies on the synthesis and properties of higher fatty esters of corn starch [PDF]

open access: yes, 2009
This paper describes a systematic study on the synthesis of higher fatty esters of corn starch (starch laurate and starch stéarate) by using the corresponding vinyl esters.
Aburto   +24 more
core   +1 more source

Photoproduction of the $\pi N$ pair on nuclei and isobar configurations

open access: yes, 2012
A model of $\pi N$ pair photoproduction on nuclei at high momentum transfer is presented. The $A(\gamma,\pi N)B$ reaction amplitude is obtained by means of an extended impulse approximation, according to which the nuclear wavefunction includes delta ...
Glavanakov, I. V., Tabachenko, A. N.
core   +1 more source

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