Researchers find evidence of photosynthesis deep within the ocean
...found a bacterium that is the first photosynthetic organism that doesn't live off sunlight but from the dim li...ght and sulfur to obtain energy. The fact that the organism is obligate means it solely relies on photosynthesis to live. "This is startling in the sense that y...Genomic sequences processed in minutes, rather than weeks
...large-scale problems -- such as the analysis of an organism -- can be solved in minutes, rather than weeks. In the world of high-end computing, researchers assemble systems composed of many processors. For example, PNNL's supercomputer has 1,960 processors a big machine with lots of memory and the ability......ng of the extremely complex processes in the human organism be achieved and, ultimately, new drugs developed. ...ks also play a key role at the level of the entire organism and particularly in how our genetic material works. Prof. Li Jin, the second Director at the Partne...150K to find out why you're a slime ball
...rstand behaviour at a molecular level we needed an organism that displays social behaviour and can be manipulated in the lab." "Slime moulds usually exist as single-cell amoebae feeding off bacteria in the soil but when their food supply runs out they aggregate to form a 'fruiting body' of some 100,000 cells....UT Southwestern researchers discover master switch in cell death
...just like a guardian," Dr. Zhong said. A healthy organism needs just the right amount of Mcl-1. Too little Mcl-1 can lead to a damaged immune system or even death. Too much, and cells stay alive when they shouldn't, leading to cancers such as lymphomas. Using human cell extracts, the researchers found that ......w how important they are for the development of an organism and its function." To solve this question, Gaul and colleagues systematically blocked each of the 46 known microRNAs that are active during early development of the fruit fly. This is difficult to do by traditional genetic means, so they inject young...Trees, vines and nets microbial evolution changes its face
...ed, not only 'vertically' through passage from one organism to its progeny, but also 'horizontally' through th...her words, a gene can rapidly be disseminated from organism to organism through very few horizontal gene transfer events," explains Christos Ouzounis. A few spe...Using the genomic shortcut to predict bacterial behavior
...omic analysis can provide new information about an organism efficiently. "Our study demonstrates the importance of sequencing a bacterial genome, even if several closely related genomes have been already determined. It is very difficult to correctly forejudge the diversity of bacterial genomes," Ogata says. "...42 biomedical scientists worldwide named HHMI international research scholars
...nd resuscitation in Mycobacteria tuberculosis, the organism that causes human tuberculosis. Development of more effective tools for TB control requires understanding the mechanisms underlying TBs remarkable ability to adapt to adverse conditions and persist in a dormant state from which it can reactivate to c......to them. However, the alga Dunaliella salina is an organism of a different streak: it is able to grow in any s...ng salt tolerance should evolve once in a Dead Sea organism and once in a mouse has led the researchers to some new insights into kidney physiology. The researc...Study in Royal Society journal on world's only horned rodent
...act that a gene is required for the survival of an organism in a given environment) is related to the topological characteristics of the corresponding protein in its interaction network. We have reassessed systematically these conclusions because many of these studies had overlooked important biases present i...Essential genes for embryogenesis uncovered in major mouse mutagenesis project
..., direct experimentation in the context of a whole organism will be required." In an effort to explore the functional content of 50 megabases of mouse chromosome 5, or approximately 2% of the genome, Schimenti and his colleagues generated over 1000 mouse pedigrees with random mutations using a chemical called...Deadly parasites show common genetic core
...quenced the first complete genome of a free-living organism in 1995, is a not-for-profit research institute based in Rockville, Maryland. TIGR conducts research involving the structural, functional, and comparative analysis of genomes and gene products in viruses, bacteria, archaea, and eukaryotes....Landmark comparative genomics study highlights the importance of 'junk' DNA in higher eukaryotes
...to date. One of their major findings was that as organism complexity increases, so too does the proportion of conserved bases in the non-protein-coding (or "junk") DNA sequences. This underscores the importance of gene regulation in more complex species. The manuscript also reports exciting biological find...U of MN researchers reverse memory loss in mice
...ld be "turned off." Transgenes are genes from one organism that have been incorporated into another organism. The researchers predicted that when the transgene expressing the dementia was turned off, memory loss would stop. The results, however, surpassed their expectations. The mice's symptoms of dementia...New technique rapidly detects illness-causing bacteria
...s. "You want to be sure it doesn't detect another organism that shares similar properties," said Nugen. The study was funded by the National Institutes of Health. Along with Baeumner, Barbara Leonard, a research support specialist in Cornell's biological and environmental engineering department, was also a ...Fluorescing lab worms signal longer life spans, reports CU-Boulder team
...shown it's possible to predict the life span in an organism on the first day of adult life based on how it res...quantifiable state that dictates the ability of an organism to deal with the rigors of living," the team wrote in Nature Genetics. An automated "worm sorter" e...Researchers identify new genes that regulate aging
...tis elegans , a small worm that is used as a model organism in genetics studies. The findings are reported in the inaugural issue of PLoS Genetics . Each of the 23 genes somehow normally acts to reduce longevity, whereas inhibiting any one of them increases lifespan. For example, the worm's lifespan dou...Deep thinking: Scientists sequence a cold-loving marine microbe
...t at TIGR and lead author of the PNAS paper. "This organism must adapt to extreme cold--in fact, it cannot liv... could be in short supply in the extreme cold. The organism also engineers cold-hardy versions of ordinary enzymes found in free-living bacteria, such as enzyme...