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Microorganisms Could Figure Out White Pollution Problems

04:49, 2010-Jul- 9 .. 0 comments .. Link

Microorganisms have a close relationship with the human life and survival. What Come in? cheap bags online Go!! Coolest handbags online Are Launched

Many food (like wine, yoghourt, chess, mushroom), industrial product (like leather, petrochemical industrial products), medicine (vitamin, ecological farm chemical) are all made based on microorganism. They are also playing important role in many other fields such as mineral exploration and exploitation and the disposal of chemicals waste (such as water cleaning and fermenting methane). Microorganisms are the only recognition of nitrogen fixation (such as soybean rhizobia) and animal and plant residue decomposition (such as cellulose degradation) in the nature, while they are in the top and bottom locations of common food chain, so that they can complete the link of carbon, nitrogen, sulfur, phosphorus and other biomass in the large circle. If there isn't microbe, many living beings will lose essential nutrition sources, the cellulosic residual of botany will be unable to decompose and accumulate limitless. The flourishing and order of current natural world and human produce and developing will never exist.

Besides, microorganism also plays an important role in the change of climate on earth. Many microorganisms are directly involved in greenhouse gas's emission or absorption, and many microorganisms can also become the future bio-fuel. They also play a principal role in supporting the life of halo-bios. They are the most capable object of all living organism to decompose the toxic chemicals, and even the living organism of plastic. The plastic fragments in the oceans not only influence the beauty of seas but also imposes a deadly effect to marine animals. However, the coastal microorganism can ingeniously eliminate the plastic components involved in the sea water. The conclusion is issued by Jesse Harrison at the public microbiology spring meeting in Edinburgh. This research is accomplished together by the Centre for Environment, Fisheries and Aquaculture Science of the University of Sheffield.

The mixed marine microbe can grow on the plastics and then spread from a small scope to more wide environment, which offers the possibility for them to join in kinds of activities. Some of them are helpful to break down the harmful plastics or poisonous chemical elements. Plastics pollution is a long term problem, because the degradation of plastics in nature needs thousands of years. "Our plastics in life mostly derive from discard by customers at will. The increasing and man-made rejectamentas are from them as well." explained by Jesse Harrison .

For a long time, the size of the ocean plastic components have become smaller and smaller, this is the result of natural forces. Less than or equal to 5 mm plastic debris are called "micro-plastics." And this kind is particularly dangerous as they can absorb toxic chemicals, and then may be transported to marine animals through digestion. Microbe has the largest quantity among all marine organisms. This is the first time their influence on plastic fragment was tested genetically. The new issue researches the connection between microbes and debris material, polyethylene- the common components of plastic bags. Scientists have found plastic is often occupied by a variety of germs, and they form a biofilm on its surface. Interestingly, the biofilm is formed because of a special kind of marine bacteria. The research group from the University of Sheffield, led by Mark Osborne, is planning to study how the microorganism works on micro-plastic, especially how the micro-plastic will change according to the ever-changing conditions of coastal seafloor. They believe the research will do a good turn to environment. [Microbes play an important role in maintaining marine lives. They are the strongest among all organisms in degrading poisonous chemicals, or even plastic organisms." Said Mr. Harrison.


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