Navigation Links


Tag: "motors" at biology news

DNA Recombination and Repair—A New Twist to RecA Function

Molecular motors harness the energy of ATP (or GTP, a related energ...m it into mechanical force. Well-known examples of motors include myosin and dynein, proteins that use ATP to ferry intracellular cargo along fibers made of a...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...s Argonne National Laboratory, a cardiac molecular motors expert from the University of Vermont (UVM) and co... suggest a model for how these powerful biological motors turn “on?and “off?during the wingbeat. “Small flying insects face an enormous task ?generating enou...

Molecular Motors Cooperate In Moving Cellular Cargo, Study Shows

...have shed light on the tiny movements of molecular motors that shuttle material within living cells. The motors cooperate in a delicate choreography of steps, rather than engaging in the brute-force tug of war ma...

Motor transport in bio-nano systems

Molecular motors are nanoscale engines which move along very thin r...c of molecular cargo within biological cells. Both motors and filaments can be isolated from the cells and used to construct biomimetic transport systems. In ...

Spiders help scientists discover how muscles relax

...ructure and arrangement of the miniature molecular motors that control movement. Their work, which takes adv...ave solved the structure of the array of miniature motors that form our muscles and found out how they are switched off," said Raul Padron, a HHMI internation...

Scientists create digital bacteria to forge advances in biomedical research

... appendages that cells use for propulsion, and the motors to drive them. Emonet and his associates have designed their digital bacterial system in modules, so that additional components may be added later. "Right now it's a very simple model," Emonet said. "Basically the only thing those cells have is a s...

Marathon of nano-sprinters

...ine Publication, November 14-18, 2005). Molecular motors are nano-tractors for all kinds of cargo within th...onsidered the fuel of the cell. Kinesin and dynein motors move along microtubules and myosins move along actin filaments. The step sizes of these motors are o...

Nano springs eternal; Protozoan 'engine' posts nano records

...es. It also runs on a different fuel. Molecular motors that power muscle contraction, for example, use ATP molecules for energy. The spasmoneme runs on calcium, but its drive mechanism was poorly understood until France and colleagues got under the nano hood. Like van Leeuwenhoek, the researchers studied...

Are U.S. Flu Death Figures More PR Than Science?

...es. It also runs on a different fuel. Molecular motors that power muscle contraction, for example, use ATP molecules for energy. The spasmoneme runs on calcium, but its drive mechanism was poorly understood until France and colleagues got under the nano hood. Like van Leeuwenhoek, the researchers studied...

Similar Stem Cells In Insect And Human Gut

...es. It also runs on a different fuel. Molecular motors that power muscle contraction, for example, use ATP molecules for energy. The spasmoneme runs on calcium, but its drive mechanism was poorly understood until France and colleagues got under the nano hood. Like van Leeuwenhoek, the researchers studied...

Nano machine switches between biological and silicon worlds

...The team's switch works with a number of DNA-based motors and can achieve incredible performance. Specific sensors, which emit electrons, can tell if the biological motor is working, so the switch links the biological world with the silicon world of electronic signals. Here's how it works. The team uses a...

A new focus for the mechanism of nerve growth

...ntraction in heart and skeletal muscles. Myosin II motors are involved in functions such as directed cell movement, cell division and wound closure. While skeletal myosins have been studied in detail, non-muscle myosins are just beginning to be understood and this work identifies a new role for them. The ...

Movement of chromosome in nucleus visualized

...alized areas for different functions and molecular motors shuttling components around. Researchers from the University of Illinois' Chicago and Urbana-Champaign campuses now offer the first imaging evidence from live cells of ongoing organization and transport within the cell nucleus. Genes that are activ...

Polymer aids in blood clotting, pointing way to new treatment

...nisms has enabled scientists to detect muscle-like motors that operate a variety of movements within cells, said Arthur Kornberg, who won the 1959 Nobel Prize in Medicine or Physiology for discovering mechanisms in the synthesis of ribonucleic acid and deoxyribonucleic acid. "Roberto has discovered a novel...

A new way of looking at molecular motors

...p parasites enter and infect hosts. Defects in the motors play a role in a variety of human and animal disor...n myosins after they discovered that the molecular motors enabled toxoplasmosis and malaria parasites to force their way into human cells. The researchers s...

Restoring seagrass beds: Is it for the birds?

...assbed borders warning boaters against using their motors in the seagrasses. We'll also monitor the effects the bird droppings are having in the propeller scars in the shoalgrass beds. 'We hope a combination of educational signage, replanting sea oats, and a seemingly endless supply of fertilizer will b...

Adult stem cells are touchy-feely, need environmental clues

...cts. Each cell has its own skeleton and molecular motors that it uses as muscles. According to the researc...e cell to differentiate. "The cytoskeleton uses motors that, like our muscles, are based on the mechanical tension created by molecules of actin and myosin...

Discovery of agile molecular motors could aid in treating motor neuron diseases

...together, show proteins that function as molecular motors are surprisingly flexible and agile, able to navig...ientists are now finding that many other molecular motors are remarkably flexible in their behavior. In several further papers published in the Proceedings of...

Surprise finding for stretched DNA

... the dynamics, structure and kinetics of molecular motors and nucleo-protein assemblies. He holds joint appointments with Berkeley Lab's Physical Biosciences Division and UC Berkeley's Departments of Molecular & Cell Biology, Physics, and Chemistry. He is also a Howard Hughes Medical Institute (HHMI) in...

Biological motors sort molecules one by one on a chip

...tute of Nanoscience have discovered how to use the motors of biological cells in extremely small channels on a chip. Based on this, they built a transport system that uses electrical charges to direct the molecules individually. To demonstrate this, the Delft researchers sorted the individual molecules acco...

1 2

Other Tagspersonalized 2personalized 3advent 2team 2team 3team 4team 5team 6team 7team 8team 9team 10clear 2clear 3clear 4clear 5clear 6clear 7clear 8clear 9clear 10transcription 2transcription 3transcription 4transcription 5transcription 6transcription 7prediction 2prediction 3enables 2enables 3enables 4enables 5enables 6enables 7enables 8enables 9enables 10modification 2modification 3modification 4
(Date:12/1/2009)...ty cancer researchers have developed a tumor-atta...blocks the growth of new tumor blood vessels. , ... cancer cells oncolytic viruses might be more ef...so carry a gene for a protein that inhibits blood-...n, is normally produced in the brain. In this stud...
(Date:12/1/2009)...cks by sharks can be solved with a new technique t...ey put on their victims, according to a University...method analogous to analyzing human fingerprints, ...omparing shark bites to the jaws and teeth of the ...of the International Shark Attack File, which is h...
(Date:12/1/2009)...able mystery, and it is a question which has conti...owering plants evolve and how did they come to dom...gy Letters reveals the evolutionary trigger which...petitive advantage over rival species, leading to ..., by Dr Tim Brodribb and Dr Taylor Field of the U...
Breaking Biology News(10 mins):Tumor-attacking virus strikes with 'one-two punch' 2New forensic technique gives clues about sharks from bite damage 2New forensic technique gives clues about sharks from bite damage 3How did flowering plants evolve to dominate Earth? 2Palatin Technologies Inc to Raise 243 1 Million in Registered Direct Offering 13531 1Palatin Technologies Inc to Raise 243 1 Million in Registered Direct Offering 13531 2Palatin Technologies Inc to Raise 243 1 Million in Registered Direct Offering 13531 3New insights into limb formation 9549 1New insights into limb formation 9549 2Ohio KePRO Awarded Medicare Beneficiary Protection Program Support Contract 54354 1Ohio KePRO Awarded Medicare Beneficiary Protection Program Support Contract 54354 2Ohio KePRO Awarded Medicare Beneficiary Protection Program Support Contract 54354 3
(Date:12/1/2009)...ENIX, Dec. 1 Abrazo Media Relation...iosis ( http:// www.pedsorthopaedics.com ) located...aedic surgeon Dr. J. Hunt Udall to its practice. ...orthopaedic surgery after recently completing his ...n, Massachusetts where he focused on adult and ped...
(Date:12/1/2009)...vember 2009. Performing surgical operations witho...s become a reality. This is demonstrated by the re...rifice Transluminal Endoscopy Surgery), an innovat...using the body,s natural orifices. The results are...shorter hospital stay and faster recovery. Current...
(Date:12/1/2009)...ts in California are unable to successfully obtain...pitals despite recent state legislation intended t...tudy. , Posing as low-income uninsured patients,...an one-third of the hospitals they approached and ... those allowed under California law, according to ...
(Date:12/1/2009)...cular system tied to academic achievement, study f... -- A strong cardiovascular system in young adulth... grades and more overall success later in life, ne...and laypeople know (or should know) the benefits o...uthors of a new study, appearing in this week,s on...
(Date:12/1/2009)...N, Texas, Dec. 1 For many employer...are is more than just an employee benefit, it,s pr.... Hobby Lobby Stores, Inc. is leading this effort,... health and wellness center at its corporate offic...rvices directly to employees and their dependents....
Breaking Medicine News(10 mins):Health News:Orthopaedic Surgeon Dr. J. Hunt Udall Joins the Center for Pediatric Orthopaedics and Scoliosis as One of Few Trained Doctors to Perform Minimally Invasive Hip Arthroscopy 2Health News:Hospital Clinic Barcelona and Massachusetts General Hospital extract rectal mass through anus 2Health News:Hospital Clinic Barcelona and Massachusetts General Hospital extract rectal mass through anus 3Health News:Hospital price transparancy laws in California fall short, study finds 2Health News:Exercise May Lead to a Smarter, More Successful You 2Health News:Exercise May Lead to a Smarter, More Successful You 3Health News:Hobby Lobby Selects Concentra to Open Health Center 2Health News:Hobby Lobby Selects Concentra to Open Health Center 3
Other Contentsrabbitrabbitrabbitrabbitrabbitrabbitrabbitrabbitrabiesrabiesrabiesracingracingracingracingindicesindicesdislocationheadheadheadheadheadheadheadheadheadheadenteritisradiculopathy