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Tag: "gaps" at biology news

Exploring the dark matter of the genome

...rently from genes in euchromatin, with much longer gaps (introns) between the coding sections of the gene ...nlike the introns in euchromatic genes, these long gaps consisted almost entirely of repeating sequences derived from disabled transposons. The evidence sug...

In nature, proteins sweep up nanoparticles

...eins coated the particles’ surfaces and filled the gaps between them. “We found that the mineral aggregates, which are produced as a consequence of microbial activity, actually contain a lot of protein,” says Banfield. “This is very interesting because biomineralization has traditionally been thought o...

Lessons from the orangutans: Upright walking may have begun in the trees

...ruits are, and also to reach further to help cross gaps between trees," said Thorpe. The authors propos...in the forest canopy would have begun to encounter gaps between trees that they could not cross at the canopy level. The Science authors suggest that ...

DNA analysis suggests under-reported kills of threatened whales

...ed a portion of the shops selling whale meat, with gaps of several weeks and even months between surveys," Baker pointed out. "Since the average market 'half-life' of whale meat is six weeks, at most, we should have found far fewer individuals ?or the number of whales killed is actually much greater than ...

Executable biology -- Computer science sheds light on animal development

...n then be compared to data from the lab, revealing gaps in our understanding of the processes taking place. Researchers can use the model to test hypotheses that would fill in the missing pieces in silico before performing actual lab experiments. By running their model with a wide variety of gene mutat...

New details on how the immune system recognizes influenza

...D Director Anthony S. Fauci, M.D. "It reveals many gaps in our knowledge of influenza viruses and indicate...w vaccine will be. Other analyses revealed major gaps in scientists' knowledge about influenza viruses. Of the 600 epitopes in the database, for instance,...

LIAI completes world's most comprehensive analysis on influenza virus data

...ting a multi-strain influenza vaccine. Regarding gaps in knowledge of the way people respond to influenza, Wilson said two significant points emerged. "One concern is that most of the current influenza research is based on strains maintained in the lab, rather than wild influenza strains. Since we kno...

Scientists find new genes for Crohn's disease

... These latest results are helping to fill in the gaps in knowledge about Crohn's and other IBDs, which affect more than 1 million Americans. Because IBDs tends to run in families and are more frequent in certain ethnic populations, especially Ashkenazi Jews, scientists have long suspected that they have...

Gene study shows three distinct groups of chimpanzees

...ki's laboratory. "Part of that could stem from the gaps in our samples, but we think most of this separation is genuine, a long-term consequence of geographic isolation." The original boundaries between groups may have been the emergence and growth of rivers, such as the Congo River, which is thought t...

Resistance to anti-HIV drugs in Uganda developed due to drug supply problems

...two-week nationwide shortage resulted that created gaps in treatment for some individuals taking that medication. "In a context where the ability of poor people to adhere to medications regimens has been questioned, the issue is not so much about behavioral strategies to increase adherence, but about s...

Research project tackles 'regeneration' gap

...llowships for young scientists who will bridge the gaps between the different labs and investigators involved in regeneration research. "The fellows will be the glue that holds this broad group of scientists together," said Steindler, a professor of neuroscience at the UF College of Medicine. "We will...

Interaction between lymph and liver cells may affect immune response

...ct or that the interaction could take place across gaps between LSECs. The study was conducted using mi... (hepatocyte microvilli). There were no observable gaps between LSECs and hepatocyte microvilli did not seem to interact with circulating lymphocytes. Furth...

From a lowly yeast, researchers divine a clue to human disease

...rung along a single length of DNA are separated by gaps to mark boundaries. As the polymerase reaches the end of a gene, Sen1 flips a switch and knocks it off the DNA track. The group, led by Brow and Eric Steinmetz, compared normal yeast to a strain with a mutated form of Sen1 that does not see the st...

Cigarette smoking impedes tendon-to-bone healing

...endon and ligament healing. There also are some gaps in medical knowledge about the prevalence of rotator cuff injuries. The rotator cuff is a group of four muscles and their tendons in the shoulder that provide rotation, elevate the arm and stabilize the shoulder joint. Rotator cuff tears involve one ...

MIT creates 3-D scaffold for growing stem cells

...l environment is a complex network of tiny fibers, gaps and pores through which oxygen, hormones and nutrients are delivered and waste products filtered away. Cells move within their natural environments in response to chemical signals or other stimuli. Researchers are aware that cells on flat surfaces ...

MIT nanoparticles may help detect, treat tumors

... growth is so rapid in cancerous tumors, there are gaps in the endothelial cells that line the inside of t... vessels. The nanoparticles can slip through these gaps to enter the tumors. Once inside the tumor, the nanoparticles can be triggered to group together by...

More than drought affecting wheat yields

...roducers when or what to spray. "There are big gaps in our knowledge," Rush said. "But we are making progress and have things working in the field that should provide answers in the next couple of years." ...

NHGRI announces latest sequencing targets

...ng, for the first time, comprehensive data to fill gaps in our understanding of animal and fungal evolution. Recent research has shown that some genes in the human genome that are responsible for early animal development arose much earlier than thought, in some cases in single-celled organisms. Therefore,...

Patients and their doctors have different perceptions about HIV and its treatment

...rstands the doctors' explanations. These and other gaps in perception were revealed in the JIAPAC peer-reviewed article, "State of HIV Treatment: Results of IAPAC Surveys of HIV-Positive Patients and HIV-Treating Physicians in the United States." The article explores the research findings about the atti...

NHGRI announces new sequencing targets

...health. By identifying and seeking to fill crucial gaps in our knowledge, these new sequencing plans represent yet another important step in that direction," said NHGRI Director Francis S. Collins, M.D., Ph.D. The plan given the highest priority is a project to identify structural variations in the huma...

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