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Microbial ecology
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Microbial ecology
Microbial ecology (or environmental microbiology) is a discipline where the interaction of microorganisms and their environment are studied. Microorganisms are known to have important and harmful ecological relationships within their species and other species. Many scientists have studied the relationship between nature and microorganisms: Martinus Beijerinck, Sergei Winogradsky, Louis Pasteur, Robert Koch, Lorenz Hiltner, Dionicia Gamboa and many more; to understand the specific roles that these microorganisms have in biological and chemical pathways and how microorganisms have evolved. Currently, there are several types of biotechnologies that have allowed scientists to analyze the biological/chemical properties of these microorganisms also.
Many of these microorganisms have been known to form different symbiotic relationships with other organisms in their environment. Some symbiotic relationships include mutualism, commensalism, amensalism, and parasitism.
In addition, it has been discovered that certain substances in the environment can kill microorganisms, thus preventing them from interacting with their environment. These substances are called antimicrobial substances. These can be antibiotic, antifungal, or antiviral.
Martinus Beijerinck invented the enrichment culture, a fundamental method of studying microbes from the environment. Sergei Winogradsky was one of the first researchers to attempt to understand microorganisms outside of the medical context—making him among the first students of microbial ecology and environmental microbiology—discovering chemosynthesis and developing the Winogradsky column in the process.
Louis Pasteur was a French chemist who derived key microbial principles that we use today: microbial fermentation, pasteurization, germ theory, and vaccines. These principles have served as a foundation for scientists in viewing the relationship between microbes and their environment. For example, Pasteur disproved the theory of spontaneous generation, the belief of life arising from nonliving materials. Pasteur stated that life can only come from life and not nonliving materials. This led to the idea that microorganisms were responsible for the microbial growth in any environment.
Robert Koch was a physician-scientist who implemented oil-immersion lens and a condenser while using microscopes, to increase the imagery of viewing bacteria. This led Koch to be the first publisher of bacteria photographs. As a result, Koch was able to study wound infections in animals at the microscopic level. He was able to distinguish distinct bacteria species, which led him to believe that the best way to study a certain disease is to focus on a specific pathogen. In 1879, Koch started to develop "pure" cultures to grow bacteria colonies. These advancements led Koch to solve the Cholera endemic in India during the year 1883. Koch's laboratory techniques and materials led him to conclude that the use of unfiltered water was causing the Cholera endemic, since it contained bacteria causing intestinal harm in humans.
Lorenz Hiltner is known as one of the pioneers in "microbial ecology." His research focused on how microbials in the rhizosphere provided nutrients to plants. Hiltner stated that the quality of plant products was a result of the plant's roots microflora. One of Hiltner contributions to the study of plant nutrition and soil bacteriology was creating antimicrobial seeds covered with mercury chloride. The sole purpose of creating the antimicrobial seeds were to protect the seeds from the harmful effects of pathogenic fungi. In addition, he recognized the known bacteria that were responsible for the nitrogen cycle: denitrification, nitrification, and nitrogen fixation.
Dionicia Gamboa is a prime example of how scientists are still trying to understand the relationship between microorganisms and nature. Gamboa is a Peruvian biologist who has dedicated her career towards treating malaria and leishmaniasis microorganisms. In 2009, Gamboa and her colleagues published a paper on treating different strains of malaria and leishmaniasis microorganisms, using plant extracts from the amazon. To add on, Gamboa has studied different ways to accurately detect malaria and leishmaniasis microorganisms in humans, using PCR and serology. Her studies have helped understand the epidemiology of these microorganisms, to reduce the interaction with them in nature and their harmful effects.
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Microbial ecology
Microbial ecology (or environmental microbiology) is a discipline where the interaction of microorganisms and their environment are studied. Microorganisms are known to have important and harmful ecological relationships within their species and other species. Many scientists have studied the relationship between nature and microorganisms: Martinus Beijerinck, Sergei Winogradsky, Louis Pasteur, Robert Koch, Lorenz Hiltner, Dionicia Gamboa and many more; to understand the specific roles that these microorganisms have in biological and chemical pathways and how microorganisms have evolved. Currently, there are several types of biotechnologies that have allowed scientists to analyze the biological/chemical properties of these microorganisms also.
Many of these microorganisms have been known to form different symbiotic relationships with other organisms in their environment. Some symbiotic relationships include mutualism, commensalism, amensalism, and parasitism.
In addition, it has been discovered that certain substances in the environment can kill microorganisms, thus preventing them from interacting with their environment. These substances are called antimicrobial substances. These can be antibiotic, antifungal, or antiviral.
Martinus Beijerinck invented the enrichment culture, a fundamental method of studying microbes from the environment. Sergei Winogradsky was one of the first researchers to attempt to understand microorganisms outside of the medical context—making him among the first students of microbial ecology and environmental microbiology—discovering chemosynthesis and developing the Winogradsky column in the process.
Louis Pasteur was a French chemist who derived key microbial principles that we use today: microbial fermentation, pasteurization, germ theory, and vaccines. These principles have served as a foundation for scientists in viewing the relationship between microbes and their environment. For example, Pasteur disproved the theory of spontaneous generation, the belief of life arising from nonliving materials. Pasteur stated that life can only come from life and not nonliving materials. This led to the idea that microorganisms were responsible for the microbial growth in any environment.
Robert Koch was a physician-scientist who implemented oil-immersion lens and a condenser while using microscopes, to increase the imagery of viewing bacteria. This led Koch to be the first publisher of bacteria photographs. As a result, Koch was able to study wound infections in animals at the microscopic level. He was able to distinguish distinct bacteria species, which led him to believe that the best way to study a certain disease is to focus on a specific pathogen. In 1879, Koch started to develop "pure" cultures to grow bacteria colonies. These advancements led Koch to solve the Cholera endemic in India during the year 1883. Koch's laboratory techniques and materials led him to conclude that the use of unfiltered water was causing the Cholera endemic, since it contained bacteria causing intestinal harm in humans.
Lorenz Hiltner is known as one of the pioneers in "microbial ecology." His research focused on how microbials in the rhizosphere provided nutrients to plants. Hiltner stated that the quality of plant products was a result of the plant's roots microflora. One of Hiltner contributions to the study of plant nutrition and soil bacteriology was creating antimicrobial seeds covered with mercury chloride. The sole purpose of creating the antimicrobial seeds were to protect the seeds from the harmful effects of pathogenic fungi. In addition, he recognized the known bacteria that were responsible for the nitrogen cycle: denitrification, nitrification, and nitrogen fixation.
Dionicia Gamboa is a prime example of how scientists are still trying to understand the relationship between microorganisms and nature. Gamboa is a Peruvian biologist who has dedicated her career towards treating malaria and leishmaniasis microorganisms. In 2009, Gamboa and her colleagues published a paper on treating different strains of malaria and leishmaniasis microorganisms, using plant extracts from the amazon. To add on, Gamboa has studied different ways to accurately detect malaria and leishmaniasis microorganisms in humans, using PCR and serology. Her studies have helped understand the epidemiology of these microorganisms, to reduce the interaction with them in nature and their harmful effects.
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