organisms 2 10

Tag: "organisms" at biology news

UCSD study finds anthrax toxins also harmful to fruit flies

...btained from these studies with flies in mammalian organisms such as mice." The biologists also anticipate that toxins such as the anthrax lethal factor toxin that have multiple host target proteins may be used to simultaneously reduce or eliminate the activities of several related proteins that perform overl...

MRSA use amoeba to spread, new research shows

...ir pathogenicity after sparring with single-celled organisms like amoeba for millions of years. Because our human cells are very similar to these primitive, single-celled organisms, they have acquired the skills to attack us". For these reasons, such primitive cells are being used to replace animals for many...

Hot-spring bacteria flip a metabolic switch

... about three billion years ago, and are the oldest organisms on the planet that can turn solar energy and carbo...s are highly organized communities where different organisms split up the work, with cyanobacteria serving as the main photosynthetic power plants. Microbial mat...

Embryos tell story of Earth's earliest animals

... to rest." What distinguishes animals from other organisms is the ability to ingest other organisms, either by consuming them as food, as humans do, or by digesting food externally and sucking up the aftermath, in the manner of starfish. ...

Largest study of human 'interactome' reveals a novel way

...ve comparison of information about human and other organisms allowed Pandey's group to identify 36 previously unknown protein-protein interactions, nine of which were tested in the laboratory to verify what the analysis suggested. "We proved they were valid," Pandey says. "By linking computerized sleuthing to...

Patterns in genome organization may partially explain how microbial cells work

...uted along the chromosomes of bacteria and simpler organisms also is fundamentally important to how microbial c...yphoid fever and various other human infections to organisms that enrich the nitrogen content of soil. In addition, 16 more primitive microorganisms, including o...

Wisconsin scientists discover a master key to microbes' pathogenic lifestyles

...mant in an infected host for years. "All of these organisms exhibit this property of latency," says Klein. "Th...eature is a common mechanism used by the different organisms to adapt to a new environment: the lungs of animals. "It is a story of how organisms are challenged...

Sequencing our seas

...nt necessary for growth in that zone. Genomes from organisms below the ocean's deepest and darkest layers displ...used by all life. Planktonic microbes, microscopic organisms that float freely in the oceans, help maintain environmental balance and drive the planet's biogeoch...

Wyoming cloud seeding experiment begins this month

...nt necessary for growth in that zone. Genomes from organisms below the ocean's deepest and darkest layers displ...used by all life. Planktonic microbes, microscopic organisms that float freely in the oceans, help maintain environmental balance and drive the planet's biogeoch...

Intelligently designed molecular evolution

...ins started out as "promiscuous" so that primitive organisms would be better able to adapt to their environment. Driven by selective pressures, these promiscuous enzymes and other proteins evolved along divergent lines to acquire the specialized functions needed by a host organism to survive. "This proce...

Vaccine provides 100 percent protection against avian flu virus in animal study

...nt necessary for growth in that zone. Genomes from organisms below the ocean's deepest and darkest layers displ...used by all life. Planktonic microbes, microscopic organisms that float freely in the oceans, help maintain environmental balance and drive the planet's biogeoch...

Minimal genome should be twice the size, study shows

... understand more about how the genome of different organisms have evolved over long periods of time and should also inform attempts by experimentalists to construct minimal genomes by gradual evolution in the laboratory." Similar methods might also be used to build a blueprint of a bacterium with desired meta...

Pitt professor's theory of evolution gets boost from cell research

...tion has enormous implications for the notion that organisms routinely change to adapt to the environment. Actu...e," Schwartz said. "This new understanding of how organisms change provides us with an opportunity to forestall the damage we might cause by unthinking disrupti...

Learning to love bacteria: Stanford scientist highlights bugs' benefits

...id Falkow. "But the fact is that a great number of organisms that infect humans come in and set up housekeeping...cal symptoms of anything wrong and people take the organisms with them to their graves." It's not that the organisms in question - such as the bacteria that cau...

Scientists look to the Bahamas as a model for coral reef conservation

...id Falkow. "But the fact is that a great number of organisms that infect humans come in and set up housekeeping...cal symptoms of anything wrong and people take the organisms with them to their graves." It's not that the organisms in question - such as the bacteria that cau...

UW scientists unravel critical genetic puzzle for flu virus replication

...o generate three-dimensional images of microscopic organisms and structures, Kawaoka and his colleagues, in virtual fashion, dissected a virus and its infectious particles to assess how the virus assembles and organizes the strands of RNA that carry its genes so it can exit one cell and go on to infect other c...

MIT chemist discovers secret behind nature's medicines

...r lesson from nature. After years of wondering how organisms managed to create self-medications, such as anti-fungal agents, chemists have discovered the simple secret. Scientists already knew that a particular enzyme was able to coax a reaction out of stubborn chemical concoctions to generate a large family ...

Genes involved in cell growth and cell division identified

... this process is very similar in all multicellular organisms from insects to humans. Because the regulation of cell growth is central for embryonic development as well as cancer, it is highly important to have a holistic view on these processes. This study belongs to the emerging field of systems biology, w...

Tiny polyps gorge themselves to survive coral bleaching

...tures themselves are quite fragile. These tropical organisms survive in a narrow 4-to-6-degree C temperature ra...re to cause a catastrophe." Coral are symbiontic organisms that host one-celled algae within their bodies for mutual benefit. The coral polyp, a relative of je...

'Accelerated evolution' converts RNA enzyme to DNA enzyme in vitro

...x structure of DNA, articulated in 1970, all known organisms operate according to the central dogma of molecular biology-that the transfer of sequential genetic information proceeds from nucleic acid to nucleic acid, and from nucleic acid to protein. But a far different situation exists with regard to the tran...

1 2 3 4 5 6 7 8 9 10