Phenotype is influenced by nature, nurture and noise
...d Hasty. "Given that every potential feature of an organism is ultimately determined at the genetic level, it is important to zoon in on the noisy details of gene expression to explain the variability that we couldn't otherwise account for."...Mitochondrial biology gets a new chaperone
..."The research described here combines clever model organism genomics and bioinformatics to identify the first mammalian protein required for the normal assembly of complex I." TITLE: A molecular chaperone for mitochondrial complex I assembly is mutated in a progressive encephalopathy AUTHOR CONTACT: Eric ...JCI table of contents October 3, 2005
..."The research described here combines clever model organism genomics and bioinformatics to identify the first mammalian protein required for the normal assembly of complex I." TITLE: A molecular chaperone for mitochondrial complex I assembly is mutated in a progressive encephalopathy AUTHOR CONTACT: Eric...Researchers address the meaning of the genomic revolution
...network that encompasses the genome, the cell, the organism and the natural and social environment." The proceedings of the conference will be podcast from the Biohumanities website. Media inquiries: Lori Grantham (+61 733 652 646 or email biohumanities@uq.edu.au ). Keynote speakers: Professor Kenneth F ...New genetic test can detect clam disease
...- for quahog parasite unknown - is a single-celled organism related to slime mold. It was first detected in 19...(WHOI), has developed a genetic test to detect the organism not only in clams but in seawater and sediment. Since QPX also decomposes seaweed, researchers now b...MBL scientists get on squid's nerves
...served in the squid led us to further believe this organism might be a good model to study the mechanisms of this disease." So far, DeGiorgis and his colleagues have identified more than 3,000 out of what they predict will total approximately 35,000 genes (compared with about 40,000 in humans). "It's a good b...NHGRI's large-scale sequencing research network sets its sights on disease targets
... School of Medicine, St. Louis. Assignment of each organism to a specific center or centers will be determined at a later date. NHGRI's process for selecting sequencing targets begins with three working groups comprised of experts from across the research community. Each of the working groups is ......e is a key building block of amino acids, the tiny organism should have problems synthesising it. Michaela Fal...growth medium for the culture of the single-celled organism could be significantly simplified. Dieter Oesterhelt explains that "the comparison with other haloph...To stem disease, keep cats indoors, stop feeding strays, scientist urges
...als that can transmit the parasite by shedding the organism in feces. Other animals become infected when they consume the organisms shed by cats. This method of parasite transmission is called fecal-oral, but it doesn't actually mean that feces are directly ingested. The organisms survive in soil long after f...Based on body size, bacteria and elephants have similar metabolism, ecologists find
...gnitude range, the researchers find that the small organism consumes about the same amount of energy per unit mass as the large organism: 1-10 watts per kilogram of body mass in the resting state of the organisms. In other words, while metabolic activity per unit body mass varies within a group of organisms...JCI table of contents November, 2005
...ce for fatty foods The sense of taste informs the organism about the quality of ingested food. It comprises five sub-modalities that perceive sweet, salt, sour, bitter, and umami stimuli. The possibility for an additional taste modality directed to lipid has often been suggested because many animals exhibit...Researchers find gland that tells fruit flies when to stop growing
...ers have never really quite understood just how an organism determines when it has reached its optimal size an...h clarifies the second part of the picture how an organism knows that growth should stop. "There has to be a way for an animal to assess its size, and I don't...New classification of eukaryotes has implications for AIDS treatment, agriculture and beyond
...nt treatment regimen is needed. 2) Phytophtora, an organism causing potato blight, such as the one that caused the Irish famine in the 19th century, is now known not to be a fungus, which explains why fungicides are not effective treatments. 3) Plasmodium, the causative agent of malaria, is now known to share...NC State researchers redesign life for Mars and beyond
...characteristics from a sea-dwelling, single-celled organism called Pyrococcus furiosus into model plants like ...lsius, or that of boiling water. Occasionally, the organism is spewed out into near freezing deep-sea water. The NC State research, funded for two years and $40...DNA size a crucial factor in genetic mutations, study finds
...ations create new traits that actually benefit the organism or yield no effect. These small-scale changes, col... mutations into the DNA molecule. ''It's a way the organism can evolve,'' Kool says. ''If the protein that copies DNA prefers a molecule that's slightly bigger ......to common wisdom, which says that every cell in an organism carries an exact duplicate of its genome. Although mistakes in copying, which are passed on to the next generation of cells as mutations, occur when cells divide, such tiny flaws in the genome are thought to be trivial and mainly irrelevant. But rese...New book explains how evolution really works, rebuts intelligent design
...We now know that the 'parts' that make up a living organism are very unlike the rigid parts designed for machi...rs show that novel traits emerge from the ways the organism is constructed: its complex mechanisms for adapting to theenvironment, its modular construction, and...Have a taste for fat? Yes! A sensor in the mouth promotes preference for fatty foods
The sense of taste informs the organism about the quality of ingested food. It comprises five sub-modalities that perceive sweet, salt, sour, bitter, and umami stimuli. The possibility for an additional taste modality directed to lipid has often been suggested because many animals exhibit...JCI table of contents November, 2005
...ce for fatty foods The sense of taste informs the organism about the quality of ingested food. It comprises five sub-modalities that perceive sweet, salt, sour, bitter, and umami stimuli. The possibility for an additional taste modality directed to lipid has often been suggested because many animals exhibit......e systematic study of proteins. If the genes of an organism comprise its blueprint, then proteins are the lumb...ractions, PathBlast highlights the networks in one organism that appear similar to those of another. Researchers call these "conserved networks." Using PathBla...