Movement of viruses between biomes

Article Abstract:

Studies done to examine the possibility that viruses from one biome can successfully propagate in another are reported. Viral concentrates were prepared from different near-shore marine sites, lake water, marine sediments, and soil and then the concentrates were added to microcosms containing dissolved organic matter as a food source and a 3% (vol/vol) microbial inoculum from a marine water sample. It was found that viral populations from lake water, marine sediments, and soil were able to replicate when they were incubated with the marine microbes, demonstrating that viruses can move between different ecosystems and propagate, thus implying that viruses can laterally transfer DNA between microbes in different biomes.

Biological Product (except Diagnostic) Manufacturing, Drugs, Deoxyribonucleic Acid, DNA, Observations, Marine sediments, Biomes

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Distribution and diversity of archael ammonia monooxygenase genes associated with corals

Article Abstract:

The article studies the distribution and diversity of the archael ammonia monooxygenase subunit A (amoA) genes associated with corals. The results prove that such archael genes are commonly found in all the marine ecosystems.

Analysis, Physiological aspects, Genetic aspects, Archaeabacteria, Corals, Marine ecosystems, Archaea

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Phage community dynamics in hot springs

Article Abstract:

In extreme thermal environments such as hot springs, phages are the only known microbial predators. A study of prokaryotic and phage community dynamics in these environments, is presented.

Microbiology, Hot springs, Bacteriophage typing

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