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Tag: "organisms" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...a that sulfur is the main source of energy fortiny organisms living in thermal features. "Itwas a surprise to ... no sediment, Spear collected samples ofplanktonic organisms by hanging a glass slide in the water and allowingthe microbes to accumulate. "Bacteria are just lik...

Plants respond similarly to signals from friends, enemies

...sing the receptors that receive signals from other organisms ?certain genes in the plant were modified to accom...eloped to allow beneficial interactions with other organisms like rhizobia is being exploited by nematodes," says Dr. David Bird, associate professor of plant pa...

Inexpensive, mass-produced genes core of synthetic biology advances at UH

...ogywith the potential to make complete functioning organisms that canproduce energy, neutralize toxins and make drugs and artificial genesthat could eventually be used in gene therapy procedures. Gene therapyis a promising approach to the treatment of genetic disorders,debilitating neurological diseases such a...

The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

...-dimensional films of the inner workings of living organisms at a much higher level of detail than ever before. One innovation of SPIM is the illumination of a sample from the side rather than along the traditional view of the microscope lens. This eliminates a problem that has plagued three-dimensional micro...

Learning to fight an adversary that won't stay down

... "superbugs," so that we can put the role of these organisms in the proper evolutionary perspective. This subject, and antibiotic resistance in particular, has fascinated Davies since he began postdoctoral work on antibiotics and resistance mechanisms at Harvard Medical School in the early 1960s. "The microbe...

Solution to Pollution: New Bacteria Eats Toxic Waste

...ation cleans up the environment by allowing living organisms to degrade or transform hazardous organic contamin...help researchers better understand and utilize the organisms to destroy PAH contaminants in the environment by applying engineering principles to microbial biote...

Researchers identify target for cancer drugs

...rocess occurs not only in human cells but in other organisms such as the fruit fly. Finding this complex conserved in species as diverse as flies and humans supports the claim that the mTOR/rictor complex is indeed a missing piece of the puzzle. According to Sarbassov, "If we find a molecule that can block th...

Researchers find missing genes of ancient organism

...new phylogenetic kingdom in the Archaea containing organisms that are primitive, parasitic and extremophile, or...cess of tRNA maturation. The known tRNA introns in organisms like yeast, however, appear to have no function. Therefore, modern tRNA introns might be remnants of...

Scientists identify genetic pathways essential to RNA interference

...abidopsis thaliana, both of which are common model organisms for biological research. The process interrupts the usual transfer of instructions from double-stranded DNA, through single-stranded messenger RNA and finally into proteins. Short, double-stranded pieces of RNA bind to the complementary messenger RNA...

Same mutation aided evolution in many fish species, Stanford study finds

...f evolution has other tricks up its sleeve to push organisms towards an optimal form for their environment. Other Stanford researchers who participated in the study include graduate students Pamela Colosimo, PhD, first author on the study, and Kim Hosemann; technician Sarita Balabhadra; undergraduate Guadalup...

Scientists discover unique microbe in California's largest lake

...frared light."The new microbe is one of only three organisms known to science thatuse a combination of near-inf...ing infrared radiation as well."All three of these organisms are closely related species ofAcaryochloris, but the other two live in the Pacific and must grow ono...

New SARS Protein Linked To Important Cell Doorway

...equences of protein-building instructions that the organisms never use, and the researchers had no proof yet that SARS actually made use of the sequence their analysis identified. Geneticists call such sequences of genetic information open reading frames, and the SARS sequence therefore came to be known as ope...

Jumping gene helps explain immune system's abilities

...difiers to disrupt the growth-controlling genes of organisms such asmosquitoes and medflies....

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...difiers to disrupt the growth-controlling genes of organisms such asmosquitoes and medflies....

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...difiers to disrupt the growth-controlling genes of organisms such asmosquitoes and medflies....

Gene sequencing explains bioremediation 'bug'

...difiers to disrupt the growth-controlling genes of organisms such asmosquitoes and medflies....

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...inst their designated target. Specific infectious organisms or other foreign substances stimulate T cells to divide and multiply in order to form an attacking army. However, the sjTRECs don't multiply when the original T cells divide and multiply. Instead, the more T cells that are produced in the blood as th...

The Shapes Of Life: NIGMS Project Yields More Than 1,000 Protein Structures

...nique proteins that represent the variety found in organisms ranging from bacteria to humans. Researchers can use these structures, which are determined experimentally, to build computer models of the structures of other proteins with related amino acid sequences. Although the main focus of the second phase o...

Plants defy Mendel's inheritance laws, may prompt textbook changes

...bits of DNA that help identify and locate genes in organisms - to determine whether a plant carried normal or mutant copies of the genes. "It seems that these hothead-containing plants keep a cryptic copy of everything that was in the previous generation, even though it doesn't show up in the DNA, it's not in...

New RNA polymerase discovered in plants

...udied three kinds of RNA polymerase for decades in organisms ranging from brewer's yeast to humans. In all euka...its of DNA. Without proper DNA methylation, higher organisms from plants to humans have a host of developmental problems, from dwarfing in plants to tumor develo...

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