Distribution of Microbes in Air No microbes are indigenous to the atmosphere rather they represent allochthonous populations transported from aquatic and terrestrial habitats into the atmosphere. Microbes of air within 300-1,000 or more feet of the earth’s surface are the organisms of soil that have become attached to fragments of …
Read More »Microbiology of Air
Aeromicrobiology is the study of living microbes which are suspended in the air. These microbes are referred to as bioaerosols. Though there are significantly less atmospheric microorganisms than there are in oceans and in soil, there is still a large enough number that they can affect the atmosphere (like they …
Read More »Friendly Behaviour Of Bacteria
When we heard about bacteria the first thing that came to our mind is that it must be harmful for us. And it’s very common because the word”bacteria” generally indicates some sort of disease and is likely to repulse and scare we off. Scientists estimate that only 1-10% of total …
Read More »Rickettsia: The Disease Causing Bacteria (Part-1)
‘Rickettsia’ is a genus of non-motile, gram-negative, non spore-forming, highly pleomorphic bacteria that may occur in the forms of cocci, rods, or threads. The term ‘rickettsia’ has nothing to do with ‘rickets’, which is a deficiency disease resulting from lack of vitamin D; the bacterial genus ‘Rickettsia’ was named after Howard Taylor …
Read More »The Basic Concepts Of Plant Disease
According to Encyclopedia Britannica- Plant disease is an impairment of the normal state of a plant that interrupts or modifies its vital functions. The effects of a disease that can be observed are called the symptoms. A disease can be identified depending on the symptoms as different diseases show different symptoms. …
Read More »Chemical Evolution and Origin of Life
The origin of life on Earth is a scientific problem which is not yet solved. There are plenty of ideas, but few clear facts. It is generally agreed that all life today evolved by common descent from a single primitive life form. It is not known how this early form …
Read More »Microbiology in Freshwater and Marine Habitats
Water Microbiology Water is the vital element for every living organisms on earth. So, it’s needed to ensure safe access to clean drinking water for all as most of the important bacterial diseases are transmitted through water . Water microbiology is the study of microorganisms like bacteria, viruses, protozoa, microscopic …
Read More »Soil Microbiology: The Scientific Discipline of Microbial Communities in Soil
Soil Microbiology is concerned with the study of all biological aspects of the microorganisms (bacteria, archaea, viruses, fungi, parasites and protozoa) that exist in the soil environment. However, before going ahead with the discussion of the functions and facts of microorganisms in soil, first we need to know what the …
Read More »Microbiology: Stories in Extreme Habitats
WHAT IS EXTREME ENVIRONMENT? An extreme environment exhibits conditions which are challenging for most life forms. These may be extremely high or low ranges of temperature, radiation, pressure, acidity, alkalinity, air, water, salt, sugar, carbon dioxide, sulfur, petroleum and many others. An extreme environment is one place where humans …
Read More »Prion: The Mysterious Infectious Agent
What is prion? Prion is a term first used to describe the mysterious infectious agent responsible for several neurodegenerative diseases found in mammals,including Creutzfeldt-Jakob diseases(CDJ) in humans. The word itself derives from ‘proteinaceous infectious particle’; It refers to the initially heretical hypothesis is that the infectious agent causing those diseases …
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