Bioinsecticide for combating a pest that affects the tomato and the green bean
...e of little efficacy due to the great capacity the organism has for developing resistances to a great variety of active materials. Thus the need to put into place alternative control measures, outstanding amongst which is the biological control with baculovirus, a virus exclusive to insect pathogens, and whic...New insights into the software of life
...nding of how our genome works to produce a complex organism like a human being. The findings of the consortium 'FANTOM', led by the Genomic Sciences Center, RIKEN Yokohama Institute and Genome Science Laboratory and RIKEN Wako Institute, will be published today in two papers in the prestigious journal Scienc...Animal model of Parkinson's disease reveals striking sensitivity to common environmental toxins
...with the fruit fly Drosophila, a widely used model organism for studies of human disease, and shed new light on biological connections between inherited and sporadic forms of Parkinson's disease. The work is reported in Current Biology by two independent groups, one led by Nancy Bonini of the University of Pe...UTSA researchers awarded $6.4 million to study tularemia
...ality rate. "We are going to learn what makes this organism tick and what strategies it uses to evade immune responses and eventually kill its host," said Klose. While Klose is concentrating on understanding how Franciscella tularensis causes tularemia, UTSA immunologist Bernard Arulanandam hopes to characte...Discovery that bacterium is phosphate gourmet key clue to what makes it most social of bacteria
...ortant evidence as to how such a relatively simple organism is able to act in such a social manner. Dr Whitwor...the 3 pathways act in concert probably enables the organism to find phosphates in different chemical states or environmental conditions, or even to exploit the ......rging range of functions that miRNAs perform in an organism and advocates the study of loss-of-function mutations in miRNA genes as an essential tool for identifying the biological roles of miRNAs....Making plant cells work like miniature factories
...all flowering plant that is widely used as a model organism in plant biology. Arabidopsis is a member of the mustard (Brassicaceae) family, which includes cultivated species such as cabbage and radish. "Arabidopsis is not a major crop like corn and soybeans," Yeung said, "but because so much is already known...Life's origins were easier than was thought
...his quantity of genes would be enough for a simple organism to have enough functional activity", according to ...s required to constitute bacteria, the most simple organism today, considers that around 200 genes is sufficient. But in riboorganisms there can be much fewer g...UCSD discovery may provide novel method to generate medically useful proteins
...sts has discovered the mechanism by which a simple organism can produce 10 trillion varieties of a single protein, a finding that provides a new tool to develop novel drugs. In the September 18 advance on-line publication of the journal Nature Structural and Molecular Biology, the researchers describe the mec...Researchers identify new target in fight against obesity
...it also has a second regulatory function. When an organism "overfeeds," S6K1 becomes hyperactive, essentially telling insulin to stop bringing more nutrients into the cell. This hyperactive regulation actually results in insulin resistance. "It would make sense then," said Dr. Thomas, "that once S6K1 tells...RNA all set to become a superstar
...ity. It is now obvious that their tasks within the organism are more varied than was originally thought. A more precise understanding of the role of RNA in the cell could even provide a novel approach to new therapies. And with his work, Thomas Tuschl has significantly influenced this field. For a long time, ...Researchers create functioning artificial proteins using nature's rules
...e real test will be to put them back into a living organism such as yeast or fruit flies and see how they compete with natural proteins in an evolutionary sense." Other UT Southwestern researchers involved in the work are lead authors Michael Socolich, HHMI research specialist, and Dr. William Russ, assistant...Hormones and growth: The control of body size and developmental growth rate in fruit flies
... a close linkage between the final body size of an organism and the length of its developmental stages: Elephants are larger and develop more slowly than mice. However, the mechanisms by which body size and developmental rate are controlled remain incompletely understood. Both studies examine the control of l...Cellular dumping site is not garbage after all
...xperiments with common baker's yeast, a one-celled organism known to scientists as Saccharomyces cerevisiae. To see what happened if the cellular machinery didn't work right, the researchers compared the behavior of mutant yeast cells to normal yeast cells. Coller and Parker tested mutant cells that lacked on...Marine bacterium suspected to play role in global carbon and nitrogen cycles
...he marine nitrogen cycle. Subsequently having the organism isolated in the lab allowed us to confirm our suspicions," said David Stahl, professor of civil and environmental engineering at the University of Washington. Stahl's lab group specializes in environmental microbiology and how microbial communities ...Study points to molecular origin of neurodegenerative disorders, including Huntington's disease
...cular etiology. And if something goes wrong at the organism level, it also goes wrong at the molecular level. We try to understand the dynamics and the change in structure that occurs in these molecules with the hope of uncovering their toxicity to the cell." Co-authors with Dokholyan are graduate student Sag...Temperature regulates circadian clock in zebrafish
...vel in zebrafish. This genetically tractable model organism is especially suited to this task because adults, larvae, and even embryos can tolerate a wide range of core body temperatures (being cold-blooded animals) that can be manipulated simply by changing the water temperature. Temperature variations of as...Study in Royal Society journal on first observation of giant squid in the wild
...rspb.2005.3242) How do separate populations of an organism become sufficiently different to become new species? This question is central to our understanding of how the process of forming new species, or speciation, works. Recent work from fruit flies has suggested that the differences between diverging popu...Energy Department awards $92 million
...of a biological system V for example, a cell or an organism -- in order to develop a model of the whole system. A key GTL research challenge is to understand how microbes and communities of microbes carry out their diverse and useful functions. Researchers need to understand living microbial systems, not ju...Evolutionary conservation of a mechanism of longevity from worms to mammals
Though the study of aging in the nematode model organism C. elegans has provided much insight into this complex process, it is not yet clear whether genes involved in aging in the worm have a similar role in mammals. In a recent study, Dr. Hekimi and colleagues of McGill University (Canada) report that in...