نتایج جستجو برای: plasmid profile
تعداد نتایج: 255509 فیلتر نتایج به سال:
Gene regulation circuits control all aspects of the life of plasmids. This review gives an overview of the current orchestration of the circuits that control plasmid replication, plasmid transfer, plasmid segregation and plasmid maintenance.
background: p19 cells are mouse embryonic carcinoma cells which contain pluripotent ability, like stem cells, to differentiate into different cell lines. there are several properties for this cell line that make it a valuable cell model for study of developmental stages. methods: at the first step, pts2-egfp coding sequence which was cloned in pucd2.hygro vector was used for transfection in to ...
ABSTRACT Plasmids are common in natural bacterial communities, facilitating evolution via horizontal gene transfer. Bacterial species vary their proficiency to host plasmids: whereas plasmids stably maintained some regardless of selection for plasmid-encoded genes, other species, even beneficial rapidly lost. It is, however, unclear how this variation affects plasmid persistence communities. He...
Since it has been established that the injection of plasmid DNA can lead to an efficient expression of a specific protein in vivo, nonviral gene therapy approaches have been considerably improved, allowing clinical trials. However, the use of antibiotic resistance genes as selection markers for plasmid production raises safety concerns which are often pointed out by the regulatory authorities. ...
One hundred twenty CTX-M-15-producing Escherichia coli strains isolated in 10 different hospitals from Paris (France), in the Hospital Charles Nicolle in Tunis (Tunisia), and in the Pasteur Institute in Bangui, Central African Republic (CAR), between 2000 and 2004 were studied. Eighty isolates, recovered from the three countries, were clonally related by repetitive extragenic palindromic PCR an...
OBJECTIVES To determine the antibiotic susceptibility and plasmid profile of all Neisseria gonorrhoeae strains (PPNG and non-PPNG) isolated from May 1995 to March 1996 in Lok Nayak Hospital, New Delhi, India. METHODS The agar plate dilution method was used to determine the minimum inhibitory concentration of five antimicrobials including norfloxacin and ceftriaxone which are most commonly use...
BACKGROUND Sewage treatment plants are considered to be the hotspots for antibiotic resistance transfer among bacterial species. Many fecal bacteria including Enterococci circulate and are exposed to antibiotic residues in this environment. Being as one of the most common cause of nosocomial infections, special concerns have risen worldwide about the rate and characteristics of Enterococci (esp...
Strains of Salmonella enterica serovar berta (S. berta) from Denmark and seven other countries have been characterized with the aim of developing a rational typing strategy in connection with outbreak investigations. Biotyping divided the strains into H2S-positive (90%) and H2S-negative (10%) biovars. Six percent of the strains were resistant to one or more antimicrobial agents. Eighty-eight pe...
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