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Microbiology is the study of microorganisms - bacteria, protozoal parasites, viruses and fungi. These organisms can only be seen under the microscope but despite their size these micro-organisms, or microbes for short, have a massive impact on our lives. It has been estimated that there are 5X1030 or 5 million trillion, trillion, microbial cells on Earth. The total amount of carbon in these cells is equivalent to that of all of the plants on the planet! They collectively constitute the largest mass of living material on earth and play a critical role in shaping the environment that we live in. Humans, plants and animals are intimately tied to the activities of microbes which recycle key nutrients and degrade organic matter. Some microbes, however, are pathogenic.
study of microscopic organisms, either unicellular (single cell), multicellular (cell colony), or acellular (lacking cells).Microbiology encompasses numerous sub-disciplines including virology, mycology, parasitology, and bacteriology.
Eukaryotic microorganisms possess membrane-bound cell organelles and include fungi and protists, whereas prokaryotic organisms—which all are microorganisms—are conventionally classified as lacking membrane-bound organelles and include eubacteria and archaebacteria. Microbiologists traditionally relied on culture, staining, and microscopy. However, less than 1% of the microorganisms present in common environments can be cultured in isolation using current means. Microbiologists often rely on extraction or detection of nucleic acid, either DNA or RNA sequences.
Viruses have been variably classified as organisms, as they have been considered either as very simple microorganisms or very complex molecules. Prions, never considered microorganisms, have been investigated by virologists, however, as the clinical effects traced to them were originally presumed due to chronic viral infections, and virologists took search—discovering "infectious proteins".
Microbes act as guardians of our planet ensuring that key minerals, such as carbon and nitrogen, are constantly recycled. Even though the Earth is now populated with green plants, microbes still play a crucial role in oxygenating the atmosphere and collectively they carry out more photosynthesis than plants. Microbes degrade dead organic matter, converting the organic carbon in their bodies back into carbon dioxide.
Microbes also play a key role in the nitrogen cycle. Bacteria in the soil convert atmospheric nitrogen into nitrates in the soil. Nitrates are an essential plant nutrient – they need the nitrogen for proteins - and the plants themselves provide food for live stock and other animals. The nitrogen locked in plant and animal proteins is then degraded into nitrates by microbes and eventually converted back into nitrogen by denitrifying bacteria. Compost heaps are a fantastic example of how effectively microbes breakdown organic matter. The mixture of garden weed, grass clippings and mouldy fruit and veg is decomposed rapidly by fungi and bacteria into carbon dioxide and plant compost containing nourishing nitrates and nitrites. Without the recycling power of microbes dead vegetation, carcasses and food waste would start piling up around us! In the UK 6.7 million tonnes of food waste is thrown away every year. Imagine what would happen to the Earth if this waste just sat there and wasn’t degraded
OMICS International Organizes 1000+ Global Events Every Year across USA, Europe & Asia with support from 1000 more scientific societies and Publishes 700+ Open access journals which contains over 100000 eminent personalities, reputed scientists as editorial board and organizing committee members. The conference series website will provide you list and details about the conference organize worldwide.
The microbiology industry totaled nearly $7.7 billion in 2012. This total is expected to grow from $8.5 billion in 2013 to $11.4 billion in 2018, with a compound annual growth rate (CAGR) of 6.1% for the five-year period, 2013 to 2018.
• American Society for Microbiology
• Society for Applied Microbiology- UK
• International Union of Microbiological Societies
• Society for General Microbiology Journals
• American Society for Microbiology Career Connections
• The Canadian Society of Microbiologists
• European Microbiological Society.
• Illinois Society of Microbiology
• British Society for Microbial Technology
• New Zealand Microbological Society
• Merck & Co.
• Johnson & Johnson
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This page was last updated on 15th Sep, 2015
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