Tag: "solved" at biology news

Improved speech without vocal cords

...in. However, various practical problems need to be solved before the voice prosthesis can be used. Sometimes the larynx, containing the vocal cords, needs to be surgically removed in throat cancer patients. Since the 1980s most of these patients have learnt to speak again with the help of a small silicone ...

Membrane research opens window to benefits for plants, humans

...Technology, studying membrane proteins of spinach, solved the structure of a water-protein channel -- an aquaporin that opens and closes a gate that regulates water movement in and out of cells. Not only was the discovery the first for a plant-water channel, it was the first plant-membrane channel for which...

Max Planck researchers make a breakthrough in plant stem cell research

...Developmental Biology in Tübingen, Germany has now solved this problem. The object of investigation was Arabidopsis thaliana, the "favorite plant" for molecular and genetic research, whose genome was sequenced years ago. Lohmann TM s team now carried out elaborate genetic and biochemical experimentation, an...

Mechanism for Epstein-Barr virus protein's role in blood cancers discovered

... "It's as simple as that, but it's a major mystery solved that many researchers have been working on for at least 15 years," says Robertson. EBV, a member of the herpesvirus family and one of the most common human viruses, plays a role in cancers such as lymphoproliferative diseases in transplant or AIDS pa...

Any way you splice it: FGF8 in development

... midbrain. Dr. Moosa Mohammadi's research team has solved the crystal structure of FGF8b in complex with the FGFR2c receptor, and shows that additional contacts between a single amino acid from the alternatively spliced region of FGF8b with the FGFR2c receptor account for the unique ability of FGF8b to tran...

Cracking the genetic code for control of gene expression

... data as far as it encodes proteins. This code was solved in 1966 and it has allowed researchers to find new genes and estimate the total number of genes in the human genome. However, coding sequence covers only about 1.2% of the human genome. New codes and grammatical rules need to be resolved in order to ...

Molecule does more than slice and dice RNA

... where to make the cut." Doudna and her colleagues solved the structure of a Dicer enzyme obtained from the parasite Giardia intestinalis using x-ray crystallography, a technique that enables scientists to construct pictures of biological molecules in superb three-dimensional detail. When crystal samples of...

Scientists spot solitary stem cells in living bone marrow

...ues at the University of Tsukuba in Tsukuba, Japan solved the problem by splicing the GFP reporter gene into a gene called Gata2, which is known to regulate the activity of hematopoietic stem cells, and into a promoter called IS that specifically controls the expression level of the Gata2 gene in these stem...

Berkeley researchers lay groundwork for cell version of DNA chip

...he authors behind the Angewandte Chemie paper have solved the problem with the creation of a highly selective cell adhesion system that uses single-strands of synthetic DNA to fasten the cells to a surface. This enables different types of cells to be selectively targeted and attached to specific locations ...

Scientists discover dozens of new species in 'Lost World' of western New Guinea

...ying mammal that is little known." The discoveries solved one major ornithological mystery the location of the homeland of Berlepsch's Six-Wired Bird of Paradise. First described in the late 19th century through specimens collected by indigenous hunters from an unknown location on New Guinea, the species h...

Georgia Tech develops technology for more compact, inexpensive spectrometers

...l sensing applications is diffuse. This problem is solved in conventional spectrometers by blocking light in all but one direction using a slit and a lens, but this also results in considerable power loss and lower efficiency. "By choosing the appropriate hologram, we have no collimating hardware in our sy...

Scientists model 900 cell receptors, drug targets

...s below 500 amino acids in the human genome. "The solved GPCRs are of the same approximate shape as the ones known to be good drug targets, only they differ in details. But it's the details, the packing of the helixes, their angles, their size, that differentiate the drug binding sites of GPCRs from one an...

Chemists report progress in quest to use hydrogen as fuel for cars and electronic devices

...impossible to store; that problem has been largely solved by our MOF materials. Hydrogen is a little more challenging than methane, but I am optimistic." Yaghi, 41, has reason to be optimistic since only a handful of MOFs have been tested for hydrogen storage thus far. This is not unreasonable given that MO...

Creation of antibiotic in test tube holds promise for better antibiotics

...derstanding, in particular the beautiful structure solved by the Nair group," he said. Van der Donk previously had identified the molecular activity of another enzyme (LctM) responsible for naturally turning a small protein into a lantibiotic. That discovery, reported in Science in 2004, involved lacticin 4...

One big biology question solved

An Australian research team has solved one of biology's most fundamental questions why males produce sperm and females produce eggs. The finding is a breakthrough that could lead to improved infertility treatment, cancer therapy and pest management. The team, led by Dr Josephine Bowle...

Physical intelligence in rooks

...ube, away from the trap. However, this task can be solved in at least two ways: by using a simple rule based on the position of the food in relation to the trap, or by an understanding of how the task works. Previous studies have found no evidence that animals understand this task. In this new study, this c...

Don't hold your breath: Carp can manage without oxygen for months

...orld. We have here a situation where evolution has solved the problem of anoxic survival millions of years ago, something that medical science has struggled with for decades with limited success", says Professor Gran Nilsson who will be presenting his latest results at the Annual Meeting for the Society for...

'Banana-jawed' fossil mammal linked to rare sound-producing skill

...hyrohyrax fossils had been found for study. Simons solved the supply problem as he collected fossils at the Fayum site, located about two hours' drive southwest of Cairo. For several decades, Simons visited the site in search of early ape and monkey fossils, as part of his main research focus on the evoluti...

National Institutes of Health funds $13.7 million for Texas tuberculosis study

...tomic resolution. In many cases a structure can be solved in just a few weeks. Then we can look for potential drugs using 'grid virtual screening.' That can dramatically improve the drug development process." Grid virtual screening, he explained, is the use of some 1,000 computers on the Texas A&M Universit...

In undersea habitat, aquanauts learn about teamwork and task performance for the moon and Mars

...how they reacted to challenges, made decisions and solved problems, but the most valuable element was capturing lessons learned from every task," said Dinges, Director of the Unit for Experimental Psychiatry at the University of Pennsylvania School of Medicine and Professor of Psychology. Participants recor...

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Breaking Biology News(10 mins):Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 2Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 3HITLAB Completes GCP Audit for FDA Smart Device & App Compliance 2Biometrics Market in the APAC Region 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2
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