Search results
Results from the WOW.Com Content Network
Since many R-factors contain F-plasmids, antibiotic resistance can be easily spread among a population of bacteria. [19] Also, R-factors can be taken up by "DNA pumps" in their membranes via transformation , [ 20 ] or less commonly through viral mediated transduction , [ 21 ] or via bacteriophage, although conjugation is the most common means ...
Small molecules being investigated for their ability to inhibit virulence factors and virulence factor expression include alkaloids, [9] flavonoids, [10] and peptides. [11] Experimental studies are done to characterize specific bacterial pathogens and to identify their specific virulence factors.
[7] [8] Several virulence factors are thought to contribute to E. faecalis infections. A plasmid -encoded hemolysin , called the cytolysin , is important for pathogenesis in animal models of infection, and the cytolysin in combination with high-level gentamicin resistance is associated with a five-fold increase in risk of death in human ...
A variety of different bacteria - testing for antimicrobial resistance. Multidrug-resistant bacteria (MDR bacteria) are bacteria that are resistant to three or more classes of antimicrobial drugs. [1] MDR bacteria have seen an increase in prevalence in recent years [clarification needed] [2] and pose serious risks to public health.
An illustrative diagram explaining drug resistance. Drug resistance is the reduction in effectiveness of a medication such as an antimicrobial or an antineoplastic in treating a disease or condition. [1] The term is used in the context of resistance that pathogens or cancers have "acquired", that is, resistance has evolved.
Multiple drug resistance (MDR), multidrug resistance or multiresistance is antimicrobial resistance shown by a species of microorganism to at least one antimicrobial drug in three or more antimicrobial categories. [1] Antimicrobial categories are classifications of antimicrobial agents based on their mode of action and specific to target ...
The identification of a factor as limiting is possible only in distinction to one or more other factors that are non-limiting. Disciplines differ in their use of the term as to whether they allow the simultaneous existence of more than one limiting factor (which may then be called "co-limiting"), but they all require the existence of at least one non-limiting factor when the terms are used.
[10] [13] All these factors affect the survival of cells, their proliferation and motility. They also lead to cancers and resistance to therapies which aim to treat them. [13] Patients with aberrant c-Met activity usually have a poor prognosis, aggressive disease, increased metastasis and shortened survival. [10]