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Tree of Life
Plant Flower, Tree
Invertebrate 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
These are organized by a classification scheme developed exclusively for Cosma. More…
microorganism : an organism (such as a bacterium or protozoan) of microscopic or ultramicroscopic size — Webster
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
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
Microbes and More News -- ScienceDaily Current science articles on microbes and more. Read about viruses, bacteria, fungi and prions and see related videos.
- Fighting harmful bacteria with nanoparticleson April 22, 2021 at 4:36 pm
Multi-resistant pathogens are a serious and increasing problem in today's medicine. Where antibiotics are ineffective, these bacteria can cause life-threatening infections. Researchers are currently developing nanoparticles that can be used to detect and kill multi-resistant pathogens that hide inside our body cells. The team published the study in the current issue of the journal Nanoscale.
- Common antibiotic effective in healing coral...on April 22, 2021 at 1:38 pm
An antibiotic used to treat bacterial infections in humans is showing promise in treating stony coral, found throughout the tropical western Atlantic, including several areas currently affected by stony coral tissue loss disease. Preserving M. cavernosa colonies is important due to its high abundance and role as a dominant reef builder in the northern section of Florida's Coral Reef. Results show that the Base 2B plus amoxicillin treatment had a 95 percent success rate at healing individual […]
- Membranes unlock potential to vastly increase...on April 22, 2021 at 1:38 pm
Researchers discovered that enriching cell-free vaccine extracts with cellular membranes increased the yields of protein-based vaccines by five-fold, significantly broadening access to potentially lifesaving medicines.
- Predicting the next pandemic virus is harder than...on April 20, 2021 at 10:31 pm
The observation that most of the viruses that cause human diseases come from other animals has led some researchers to attempt 'zoonotic risk prediction' to second-guess the next virus to hit us. However, in a new essay, experts propose that these zoonotic risk predictions are of limited value and will not tell us which virus will cause the next pandemic.
- Designing healthy diets with computer analysison April 20, 2021 at 10:31 pm
A new mathematical model for the interaction of bacteria in the gut could help design new probiotics and specially tailored diets to prevent diseases.
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.
- Novel antibiotic deceives bacteria through mimicryon April 15, 2021 at 1:25 pm
Most antibiotics need to penetrate their target bacteria. But Darobactin, a newly discovered compound, is much too large to do so. Nonetheless, it kills many antibiotic-resistant pathogens—by exploiting a tiny weak spot on their surface. Basel researchers have now revealed the amazing mechanism at play and thereby opened the door to developing completely new medicines.
- Watching cell division liveon April 14, 2021 at 2:25 pm
Bacteria as unicellular organisms normally reproduce by binary cell division, i.e. the duplication of the entire organism consisting of a single cell. This allows particularly rapid multiplication, such as the exponential growth known from pathogens, and requires the separation and distribution of two identical copies of the bacterial genetic material. An important factor in cell division for a bacterial cell in this process is the position of its division, distributing the genetic information. […]
- Of apples and oil pumpkins: News from microbiome...on April 14, 2021 at 1:23 pm
The extent to which the composition of the microbiome of apples and oil pumpkins depends on the geographical location and what insights can be derived from this for breeding, health and shelf life of the fruits is shown in two recent publications by researchers at TU Graz.
- Bacteria breaking down mountains: Bioleaching to...on April 14, 2021 at 12:25 pm
How do you break down kilometers of rock to get the metals within? You go small. Bacteria-level small.
- Northern Star Coral study could help protect...on April 13, 2021 at 6:58 pm
As the Rhode Island legislature considers designating the Northern Star Coral an official state emblem, researchers are finding that studying this local creature's recovery from a laboratory-induced stressor could help better understand how to protect endangered tropical corals.