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Bacteriophages are among the most common and diverse entities in the biosphere. [2] Bacteriophages are ubiquitous viruses, found wherever bacteria exist. It is estimated there are more than 10 31 bacteriophages on the planet, more than every other organism on Earth, including bacteria, combined. [3]
Bacteriophages , potentially the most numerous "organisms" on Earth, are the viruses of bacteria (more generally, of prokaryotes [1]). Phage ecology is the study of the interaction of bacteriophages with their environments .
The dominant hosts for viruses in the ocean are marine microorganisms, such as bacteria. [14] Bacteriophages are harmless to plants and animals, and are essential to the regulation of marine and freshwater ecosystems [91] are important mortality agents of phytoplankton, the base of the foodchain in aquatic environments. [92]
Phage therapy is the use of bacteriophages to treat bacterial infections. Bacteriophage treatment offers a possible alternative to conventional antibiotic treatments for bacterial infection. [55] It is conceivable that, although bacteria can develop resistance to phages, the resistance might be easier to overcome than resistance to antibiotics.
Biosynthesis – the phage DNA replicates inside the cell, synthesizing new phage DNA and proteins; Maturation – the replicated material assembles into fully formed viral phages (each made up of a head, a tail and tail fibers) Lysis - cell wall or membrane ruptures, disintegrating it and releasing the virus in the process
Rheumatic heart disease (a condition that can occur when the bacteria that causes strep throat isn’t treated with antibiotics) Endocarditis (an infection of the inner lining of your heart)
Phage typing is based on the specific binding of phages to antigens and receptors on the surface of bacteria and the resulting bacterial lysis or lack thereof. [4] The binding process is known as adsorption. [5] Once a phage adsorbs to the surface of a bacteria, it may undergo either the lytic cycle or the lysogenic cycle. [6]
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