Microorganism

Cosma / Communication / Knowledge / Realm / Terrestrial / Life / Microorganism

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Introduction1

Microorganism (OneZoom Tree of Life Explorer)
Microorganism (Tree of Life Web Project)

Dictionary

microorganism : an organism (such as a bacterium or protozoan) of microscopic or ultramicroscopic size — Webster

OneLook, Free Dictionary, Wiktionary

Encyclopedia

Microorganism, or microbe, is a microscopic organism, which may be single-celled or multicellular. Microorganisms include all unicellular organisms and so are extremely diverse. Of the three domains of life identified by Carl Woese, all of the Archaea and Bacteria are microorganisms. These were previously grouped together in the two domain system as Prokaryotes, the other being the Eukaryotes. The third domain Eukaryota includes all multicellular organisms and many unicellular protists and protozoans. Some protists are related to animals and some to green plants. Many of the multicellular organisms are microscopic, namely micro-animals, some fungi and some algae, but these are not discussed here.

They live in almost every habitat from the poles to the equator, deserts, geysers, rocks and the deep sea. Some are adapted to extremes such as very hot or very cold conditions, others to high pressure and a few such as Deinococcus radiodurans to high radiation environments. Microorganisms also make up the microbiota found in and on all multicellular organisms. A December 2017 report stated that 3.45-billion-year-old Australian rocks once contained microorganisms, the earliest direct evidence of life on Earth. — Wikipedia

Portal

American Society for Microbiology
MicrobeWiki
Mycology, Mushrooms, Lichens & Protist Center (Martindale’s Reference Desk)
Microbiology Portal (Wikipedia)

Search

WolframAlpha

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Inspiration

Note: This is a 360° Video — press and hold to explore it!

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Innovation

Science

Microbiology is the study of microorganisms, those being unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). Microbiology encompasses numerous sub-disciplines including virology, parasitology, mycology and bacteriology.

Eukaryotic microorganisms possess membrane-bound cell organelles and include fungi and protists, whereas prokaryotic organisms—all of which 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 molecular biology tools such as DNA sequence based identification, for example 16s rRNA gene sequence used for bacteria identification. — Wikipedia

Encyclopædia Britannica

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Preservation

I Contain Multitudes (Ed Yong, Goodreads)
I Contain Multitudes (Ed Yong, WorldCat)

History

Museum

Micropia Museum (Official Site)
Micropia Museum (Wikipedia)

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library

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Participation

Education

You are your microbes (Jessica Green and Karen Guillemin, TED-Ed)

The Littlest Organisms (Biology4Kids)
In the Classroom (American Society for Microbiology)

Course

Crash Course Biology (YouTube Channel)

Unseen Life on Earth: An Introduction to Microbiology
OER Commons: Open Educational Resources

Community

Occupation

Microbiologists (US Occupational Outlook Handbook)

Organization

American Society for Microbiology

News

Nature Microbiology, Science Daily, Phys.org, NPR Archives

Book

ISBNdb

Government

Document

USA.gov

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Expression

Fun

Competition

Nikon Small World Motion Photomicrography Competition

Culinary Arts

The beneficial bacteria that make delicious food (Erez Garty, TED-Ed)

Poem

OEDILF: The Omnificent English Dictionary In Limerick Form

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More News …

Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Researchers explore vulnerabilities within...
    on January 18, 2022 at 9:06 pm

    Beneath the SARS-CoV-2 membrane and its spikes lurks a squiggle of genetic material, or RNA, enveloped by a protein that acts like bubble wrap to protect the genetic material. This protein also acts as a "hotbed" for multiple interactions to control the infected cell.

  • Respiratory viruses that hijack immune mechanisms...
    on January 18, 2022 at 11:00 am

    One viral protein could provide information to deter pneumonia causing the body's exaggerated inflammatory response to respiratory viruses, including the virus that causes COVID-19.

  • Nanotherapy offers new hope for the treatment of...
    on January 17, 2022 at 4:00 pm

    Individuals living with Type 1 diabetes must carefully follow prescribed insulin regimens every day, receiving injections of the hormone via syringe, insulin pump or some other device. And without viable long-term treatments, this course of treatment is a lifelong sentence.

  • Chal­lenging the the­ory of the nar­row host...
    on January 17, 2022 at 2:24 pm

    Viruses that infect bacteria could one day replace antibiotics because they precisely attack only specific pathogens. Researchers at ETH Zurich are now showing that this is not always the case. This new finding is important because bacterial viruses can transfer antibiotic resistance genes.

  • New study sheds light on origins of life on Earth
    on January 14, 2022 at 7:25 pm

    Addressing one of the most profoundly unanswered questions in biology, a Rutgers-led team has discovered the structures of proteins that may be responsible for the origins of life in the primordial soup of ancient Earth.


Microbes and More News -- ScienceDaily Current science articles on microbes and more. Read about viruses, bacteria, fungi and prions and see related videos.

  • 'Heartburn' helps bacteria to survive antibiotic...
    on January 27, 2022 at 7:16 pm

    Even at high concentrations, antibiotics won't kill all bacteria. There are always a few survivors, even in a bacterial population that is genetically identical. Scientists have discovered that these survivors share a common feature: they accumulate acid in their cells.

  • Microbiome of mother's vagina may affect infant...
    on January 27, 2022 at 3:42 pm

    A new study in mice showed that an unhealthy vaginal microbiome in pregnant mothers in combination with an unhealthy diet contributed to increased pup deaths and altered development in the surviving babies. The findings suggest that changes in a mother's diet, such as more fruits and vegetables, may counteract unhealthy microbiome effects in disadvantaged groups.

  • Scientists discover new avian immunological...
    on January 25, 2022 at 9:48 pm

    Biomedical scientists have discovered a new immune pathway in chickens that viruses may be targeting. The discovery, which has implications also for diseases affecting other birds, sheds greater light on birds' immune responses to zoonotic viruses -- specifically, how those may differ from responses seen in humans.

  • Viral proteins join forces to lower plants'...
    on January 25, 2022 at 4:25 pm

    New research into how viral proteins interact and can be disabled holds promise to help plants defend themselves against viruses -- and ultimately prevent crop losses. The study found that viral proteins interact with each other to help a virus hijack its host plant and complete its life cycle. When some of these viral proteins were disabled, the researchers found that the virus could not move from cell to cell.

  • Study identifies new way to attack herpesviruses
    on January 25, 2022 at 2:30 pm

    A new study has opened the door to a new approach to attacking herpesviruses. The study demonstrated that targeting 2 metal ion-dependent enzymes of human herpesviruses with 2 compounds, AK-157 and AK-166, can inhibit the replication of the virus. The finding provides new opportunities to developing agents against herpesviruses.

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Related

Here are links to pages about closely related subjects.

Knowledge Realm

Terrestrial

Sphere Land, Ice, Water (Ocean), Air
Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Life Cell, Gene, Tree of Life
Microorganism
Plant Flower, Tree
Animal
Invertebrate Cuttlefish, Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human

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Notes

1.   The resources on this page are are organized by a classification scheme developed exclusively for Cosma.