Tag: "genome" at biology news

Microscopic sea creatures provide foundation for gas sensors and other devices

... research is needed to learn how to manipulate the genome of the diatom. Since scientists already know how to culture diatoms in large volumes, harnessing the diatom genetic code could allow mass-production of complex and tailored microscopic structures. Sandhages colleagues, Prof. Nils Krger (Georgia Tech...

Plants' management of nutrient suggests environmental remedies

...relatively short life cycle of eight weeks and its genome has been completely sequenced. By tracking the glow of the jellyfish molecules, the researchers learned that CAS plays a number of roles in plants. The scientists initially thought it simply monitored changes in levels of dissolved calcium that ent...

Genes and groups of genes commonly shared between species, studies show

...nderstand the implications of small differences in genome sequence and content on ecological performance, one of the key goals of the current microbial genomic sequencing efforts."...

DNA sleuth awarded Curtin Medal

...sses that ensure accurate replication of the human genome and its associated protein structures, or nucleosomes. The Curtin Medal for Excellence in Medical Research is an annual award made by The John Curtin School of Medical Research at ANU. Previous winners of the Curtin Medal include Nobel Laureate Pro...

Despite their heft, many dinosaurs had surprisingly tiny genomes

...d. So say scientists who've linked bone cell and genome size among living species and then used that new understanding to gauge the genome sizes of 31 species of extinct dinosaurs and birds, whose bone cells can be measured from the fossil...

Plant size morphs dramatically as scientists tinker with outer layer

...a small plant related to cabbage and mustard whose genome has been decoded. Over the years, the researchers have built up a whole tool kit, learning how to add and subtract genes in order to determine form and function. Among their discoveries is a class of dwarf plants whose size is about one-tenth the siz...

Mine runoff continues to provide clues to microbial diversification

...on on organisms that do not directly have complete genome sequencing information, VerBerkmoes said. As a res... human proteomics because not everyones individual genome will be sequenced. The pink microbial biofilm communities found in the mine runoff provide perfect...

Drivers and passengers on the road to cancer

...ust Sanger Institute, where one-third of the human genome was sequenced, have now pioneered decoding the seq...e carried out the broadest survey yet of the human genome in cancer by sequencing more than 250 million letters of DNA code, covering more than 500 genes and ...

Gene sequencing advance will aid in biomass-to-biofuels conversion

...ls. "We have sequenced and assembled the complete genome of Pichia stipitis, a native xylose-fermenting yeast," says Thomas Jeffries, research microbiologist at FPL and a professor of bacteriology at the University of Wisconsin-Madison. The results of this research project will be published in the scientif...

Rickettsia felis, a cat-fleaborne pathogen, sheds light on Rickettsial evolution

...p, typhus group, and ancestral group. However, the genome sequence of R. felis shows inconsistencies that could place it in either the spotted fever or typhus groups. The new classification system highlighted in the study includes the addition of a fourth lineagetransitional group rickettsiathat provides a ...

Study examines genetic risk factors for Alzheimer's disease

...to look comprehensively at every gene in the human genome in Alzheimers Disease and we hope that there are other exciting findings to come. There is no known cure or preventative treatment for Alzheimers disease, which affects one in 20 people over the age of 65 and one in five over the age of 80 in the U...

The social life of honeybees coordinated by a single gene

...th the publication of the newly sequenced honeybee genome in October 2006. The honeybee (Apis mellifera) belongs to the rarified cadre of insects that pool resources, divide tasks, and communicate with each other in highly structured colonies. Understanding how this advanced state of organization evolved fr...

2-step process filters evolution of genes of human and chimpanzee

...eneficial mutation can take its place in the human genome it has to pass through a rigorous two-stepnegative and positivescreening process, say the study authors, evolutionary geneticists from the University of Chicago, the University of Tokyo and the University of Washington. Both steps focus on the most ...

Super-fermenting fungus genome sequenced

...age-old process. The information embedded in the genome sequence of Pichia has helped us identify several gene targets to improve xylose metabolism, said Pichia paper lead author Thomas W. Jeffries of the Forest Products Laboratory in Madison, Wisconsin. We are now engineering these genes to increase eth...

Genome sequencing reveals key to viable ethanol production

..., and it was only possible because C. thermocellum genome was just recently sequenced, thanks to Wus collabo...t of Energy. With its 100 busy enzymes, the entire genome had to be observed as a whole, since fiddling with combinations of two, three, or more enzymes at a ...

Irish potato famine disease came from South America

...staino is part of a team that sequenced the entire genome of P. infestans recently at the Broad Institute at...SDA and the National Science Foundation. The whole genome sequence data is important since it provides a complete genetic "parts list" for the organism; allow...

Individuals and populations differ in gene activity levels, not just genes

...and was led by Joshua Akey, assistant professor of genome sciences, and John Storey, associate professor of genome sciences and of biostatistics. Their findings appear in the March issue of the American Journal of H...

A first glimpse of the influenza replication machine

...rucial in this process because it copies the viral genome and directs the production of its proteins. Interfering with polymerase function would prevent the virus replicating, thereby reducing the spread of the virus and the severity of the infection. "For many years scientists have tried to understand t...

Experimental Biology 2007: Today's Research, Tomorrow's Health, April 28-May 2

...century, biochemistry and signaling of lipids, and genome dynamics, from the genome to the epigenome (the chemical modifications to DNA believed likely to produce some of the earliest ...

Opening and closing the genome

...the roughly 30,000 genes that constitute the human genome are inactive, or repressed, closed to the cellular...removing particular molecules to open or close the genome to transcription as needed. Fully explicating the complex interplay among these enzymes and the mole...

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(Date:10/19/2014)... access in India over the last 30 years ... emissions growth during that time, according to a ... Climate Change ., "Energy access is fundamental to ... life, including education, communication, and health," says IIASA ... While increased energy access is widely agreed to ...
(Date:10/18/2014)... patients referred for evaluation of suspected genetic conditions, ... 25 percent, including detection of a number of ... disease, according to a study appearing in ... coincide with the American Society of Human Genetics ... or coding regions of thousands of genes simultaneously ...
(Date:10/17/2014)... – Accurate knowledge regarding Ebola is critical and pertinent ... of hazardous global outbreak and epidemic. The Journal, ... a special issue, Ebola Virus and Public Health, to ... knowledge in this critical societal moment. , On ... Ebola for Clinicians . The primer was prepared by ...
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