How Micro-organisms benefit Man!

  

   When I first got into college, the introductory class of microbiology was somewhat interesting and controversial. This was due to the understanding we (the students) all had of what microorganism are. It was a norm that at hearing the word ‘microorganism’, what first came to our mind was ‘harmful organisms’. However, as time went by, we studied more about microorganisms, what they are and how they affect humans in general. All this was not surprising not until we began to study the beneficial roles of microorganisms. It was quite surprising to learn that microorganisms which cause a greater percentage of human disease have beneficial roles. A microorganism (microbes for short) is an organism that is so small and invisible to the naked eye.

     Microorganisms that are capable of causing disease are called pathogens. It is important to note that most microorganisms do not cause disease. Many provide protection against harmful microorganisms by effectively competing with
the harmful organisms for resources, hence preventing them from growing. Other benefits of microorganisms to humans and our immediate environment include;

   Immune System Boost: Scientist demonstrated in 2010 how Bacillus, a rod shaped bacteria found in the digestive tract binds to the immune system cell and stimulates them to divide and reproduce. The researchers suggest that in few years time, individuals with weakened immune system could be treated by introducing these bacterial spores into the human system. These microorganisms (microbes) could potentially help the body fight cancerous tumors.

   Body shape and Digestion: Microorganisms play an important role in our body shape by helping us digest our foods as well as producing chemicals that shape our metabolic rate.

   Biodegradation: Microorganisms are responsible for getting rid of waste generated by industry and households. They remove toxic substances from acid drainage and other toxins from soil and water. The nutrients gained from the breakdown of these products then serves as food to plants, which in turn also serve as food to animals (vegetables etc.)

   Waste Water Treatment: When we flush things down the drain or the toilets, they go to a septic system or waste water treatment plant at the end of the line. After primary mechanical treatment and aeration, microbes remove organic materials from the filthy water that flow into these systems and eventually, water can safely be returned into the rivers and streams.

The skin holds a large number of bacteria that are very beneficial to the human body. These bacteria digest waste product secreted by the skin. The above listed are just a few of the many important beneficial roles of microorganisms. Microorganisms play crucial roles in humans as well as plants and animals. Though harmful microorganisms receive more attention than non-disease causing organisms, we ought to learn to appreciate the fact that harmless microorganisms exist and are a part of mans everyday life.

I hope this article was helpful and informative! I will love to hear from you through comments or email. And I do hope you will share this as well to your family, friends and colleagues. Have a blessed day!