Antibiotic resistance is the ability of a microorganism to withstand the effects of antibiotics. It is a specific type of drug resistance. Antibiotic resistance evolves via natural selection acting upon random mutation, but...
Antibiotic resistance
Bacteria may become resistant to an antibiotic because the bacteria contain genes that confer drug resistance. Frequently these drug resistant genes are carried by natural plasmids.
Antibiotic resistance. The ability of a microorganism to produce a protein that disables an antibiotic or prevents transport of the antibiotic into the cell.
Antibiotic resistance
A controversial aspect of GM technology is the use of antibiotic-resistance genes as markers to help locate cells in which gene transfer was successful.
antibiotic resistance Tendency of certain bacteria to develop a resistance to commonly over-used antibiotics.
antibodies Proteins produced by immune system cells that bind to foreign molecules and microorganisms and inactivate them. PICTURE ...
[edit] Antibiotic resistance
Figure 2: Illustration of a plasmid with antibiotic resistances. 1 & 2 Genes that code for resistance. 3 Ori.
Antibiotic resistance (penicillin resistance)
Resistant bacteria / unnecessary enzymes / selected against
New environmental factor: penicillin / kills normal bacteria
Resistant bacteria survived, reproduced, passed on resistance gene ...
Antibiotic Resistance
Vaccines, Immunity, Antibodies
30, 34 and see page entries listed in the Index
Metabolism and Energy Production ...
Antibiotic resistance: Plasmids generally contain genes which confer on the host bacterium the ability to survive a given antibiotic.
Antibiotic resistance in bacteria
In modern times antibiotics, drugs that target specific features of bacteria, have become very popular. Bacteria evolve very quickly so it is not surprising that they have evolved resistance to antibiotics.
Antibiotic resistance is clearly a moving target. The more antibiotics we add, the more resistances we see. But I think it is a controllable target. The control is in how we use the antibiotic.
10 Antibiotic Resistance
When a population of bacteria is subjected to an antibiotic, many bacteria are killed, but a few may have the ability to evade death. If so, this ability can be passed to later generations.
Measuring Antibiotic Resistance
What can you do to delay the spread of antibiotic resistance?
Future Prospects
Humans, and our domestic animals, can serve as hosts to a wide variety of disease-causing organisms (pathogens): ...
The Challenge of Antibiotic Resistance This online version of a Scientific American article details the issues and causes of antibiotic resitance. So this is why the doctor won't give me an antibiotic for a cold anymore! ...
Integron
DNA fragments that serve as sites for insertion of a variety of other DNA fragments (especially antibiotic resistance genes) and facilitate their transfer into other cells.
Plasmid A short circular DNA sequence which is replicated within a host bacterium (or yeast) and which usually confers a selective advantage (such as antibiotic resistance) to the host.
With respect to cloning of DNA, refers to the transformation of bacteria (usually to specific antibiotic resistance) due to the uptake of foreign DNA.
Plasmids are separate from the bacterial chromosome and replicate independently of it. They generally carry only a small number of genes, notably some associated with antibiotic resistance. Plasmids may be passed between different bacterial cells.
Insertional inactivation Gene inactivation that occurs when an unrelated DNA fragment is inserted at a restriction site; inactivation of a gene for antibiotic resistance in a plasmid can be used to detect those plasmids in which a DNA fragment ...
Bacterial transposonsmay carry, in addition to genes encoding enzymes needed for transposition, genes for antibiotic resistance or other functions.
 See also: Antibiotic, Bacteria, Trans, Organ, DNA
  
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