Can archaea repair DNA?
Firstly, many archaea inhabit extreme environments where the rate of physical damage to DNA is accelerated. These archaea might reasonably be expected to have particularly robust or novel DNA repair pathways to cope with this. Thus, archaeal DNA repair proteins and pathways can represent a useful model system.
How is DNA stabilized in archaea?
By getting lots of K. Salts like potassium and magnesium are found at higher levels in thermophilic archaea. These salts protect double-stranded DNA from phosphodiester bond degradation.
Can you repair damaged DNA?
Most damage to DNA is repaired by removal of the damaged bases followed by resynthesis of the excised region. Some lesions in DNA, however, can be repaired by direct reversal of the damage, which may be a more efficient way of dealing with specific types of DNA damage that occur frequently.
Do DNA repair enzymes work?
DNA repair enzymes are enzymes that recognize and correct physical damage in DNA, caused by exposure to radiation, UV light or reactive oxygen species. The correction of DNA damage alleviates loss of genetic information, generation of double-strand breaks, and DNA crosslinkages.
Can bacteria experience a mutation?
Mutations can result in antibiotic resistance in bacteria. Resistant bacteria survive antibiotic treatment and can increase in numbers by natural selection.
Are hyperthermophiles a concern in health care?
Are they a concern in health care? It depends on the bacteria. If hyperthermophiles survive the autoclave temperatures, they can’t multiply at room temperatures. If they can go into a dormant state though it could cause a risk.
How cold can archaea survive?
They are even seen in psychrophiles, which are archaea that require very cold conditions to survive (−15 °C or below).
How can I improve my DNA repair?
Higher intensity activities in particular (running, swimming, fast cycling) appeared to be associated with the greatest benefit to DNA repair capacity. Biologically, physical activity may increase DNA repair by inducing expression of enzymes which dispose of harmful oxygen radicals and repair DNA damage .
Which vitamin helps with DNA repair?
Vitamin C supplementation was potentially beneficial, because an increase in DNA repair incision capacity was observed, which was not seen in well-nourished subjects.
What vitamin helps with DNA repair?
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