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Poll: Microbes are Enemy or Friends ?
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Microbes - Enemy Or Friends ? The totality is surely nature!
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It seems that Microorganisms are both friends as well as foe of human beings. But it is certainly true that we cannot live without their association in our metabolism. They play a central role in the lives of not only humans but also animals and plants. Most of the organisms are harmless, most are beneficial for our life and biological metabolism, at the same time many causes diseases in humans, plants as well as animals. This type of mixed behavior is observed when we think of microorganisms and our biological association with them. The question is obvious microorganism are our friends or enemies?
This question can be answered by comparing both the attitudes of microbes. The one who is more is the answer. Now let us look at the causes of microorganism. We fight with bacteria when they infect us and our immune system stimulates. We use enzymes of many bacteria when we digest our food. We use many micro-nutrients and vitamins as synthesized by bacteria which are present in our colon. The deterioration of food by microbes leads to unsafe food our consumption. The quality of such food is very bad and we cannot consume them. At some level animals can consume them but it is always a risk due to presence of toxins in such food. It means when bacteria eat their own food and accumulates by products like toxins these are harmful. But when we are the habitat of microbes and the association is symbiotic, we both are beneficial. It means they had their own way to live and we had our own biological ways to respond to certain foreign matters like bacteria. Apart from this extreme, the centre is association of both in which both are beneficial, and they are not termed as foreign matter by our immune system.
Many bacteria are aggressively infecting our system and this leads to fighting between the two. They had their weapons like endo toxins and other enzymes and try to survive with our system. We react to such actions using our immune system. The one which is stronger survives. Therefore in this case it cannot be the question of friends or foe, it is natural that all happens and is genetically coded. This is nothing with friendship or enemy, this is simply the rule of evolution and a part of Darwins Concept of survival of the fittest, and this is natural selection. If so, then what are symbiotic associations or friendship with microbes!

The activities of bacteria which we call as friendly behavior is nothing but a give and take system in which both are jointly running in the race of natural selection or for their own survivals alike aggressive infections which is one sided race. When to look further deep, we will find one more surprising thing and that is we as Humans, Animals and plants are more dependent on microbes than they are. It can be possible for microorganism to survive in saprophytic conditions, it can be possible for microbes to live without any association with Humans but this is not true for us. We may fail to survive in absence of many bacteria which helps us in our metabolic activities with their enzymatic reactions. This means they are friends but not completely. They are our friends when we are strong and are associated with them in a way where we also return them things like we can be their host and then can help us with enzymes. “They are friends when we are strong” has a sense, this is observed with many bacteria turning violent and infecting us even when they are in symbiotic associations. Such Bacteria are called as “Opportunistic pathogens”. The best example is E.coli. E.coli is the bacteria which lives in our gut and provides useful vitamins like B2 and B12 to us and in return utilizes our system and a place to live. We act as their host. But this scenario is in existence only when we are strong immunologically. The moment we are infected with other pathogens, they take a u- turn and infect us too like an enemy never before.
Many bacteria like LAB- Lactic acid bacteria are important group of food processing and production. They ferment food for us which is easily metabolized then. Examples are yoghurt, Sausages, they also have probiotic properties. The primary metabolism by LAB is conversion of carbohydrates into acids. This inhibits growth of other food deteriorating bacteria. This way they are enemy of their own group “Bacteria”. Therefore this is true that no one is enemy and no one if friend when it is comes to natural selection and struggle for existence. This is what is called as natural, where everyone has to act for his own propagation and growth.
Things happen (within) so naturally that we get time to think of it, as “if they are friends or enemy”. The totality of all is nature which many times act in a way which can be irrespective to what we assume and what we think. But not always!
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Microbes - Enemy Or Friends ? The totality is surely nature!51