Navigation Links
New models question old assumptions about how many molecules it takes to control cell division
Date:2/24/2009

of control, the Virginia Tech researchers conclude, in their PNAS paper, that 1) the average number of specific mRNA molecules must be 5 to 10 times larger than the generally accepted value, or 2) the half-life of mRNA molecules must be 10 to 20 times shorter than the reported value, or 3) the cell must have specific mechanisms for noise reduction in its mRNA populations. Or some combination of these strategies.

"At least we have an accurate model that tells where the questions are," Tyson said. "Computational cell biologists address puzzles like this one by building reliable mathematical models, based on basic principles of physics and chemistry, that address the roles of noise and noise reduction mechanisms in living cells."

Tyson, Baumann, and Paul are lead investigators on an NIH National Institute of General Medical Sciences funded research project that also includes Yang Cao, assistant professor; Cliff Shaffer, professor; Layne Watson, professor; and Adrian Sandu, associate professor, all of Virginia Tech's computer science department in the College of Engineering.

The group is continuing to build more elaborate and accurate models of molecular noise in the cell cycle control system of yeast cells and to compare these models to the latest experimental measurements of molecular fluctuations in single cells.


'/>"/>

Contact: Susan Trulove
STrulove@vt.edu
540-231-5646
Virginia Tech
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Bacteria are models of efficiency
2. David Rose to present Howe School lecture on new technologies and business models, Jan. 29
3. Models simulate nitrate dynamics in Garonne, Southwest France
4. New movement models tested at the Smithsonian in Panama
5. Swamping bad cells with good in ALS animal models helps sustain breathing
6. Models of eel cells suggest electrifying possibilities
7. In computer models and observations, researchers see potential for significant red tide season
8. Arctic climate models playing key role in polar bear decision
9. Smithsonian researchers develop models to assess wetland health
10. Similar survival rates for Pacific salmon in Fraser, Columbia Rivers raises new questions
11. Study of polar dinosaur migration questions whether dinosaurs were truly the first great migrators
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/7/2015)... , June 30, 2015 ... announced the addition of the "Capacitive Fingerprint ... To this date, fingerprint sensing technology ... and fingerprint sensors are well developed. This patent ... technology. The domain of capacitive fingerprint ...
(Date:7/2/2015)... , June 25, 2015 ... of the "Next Generation Biometrics Market by Application, ... report to their offering. The next ... by 2020, at a CAGR of 17.9% between 2015 ... leading application for the market. Safran SA ...
(Date:6/29/2015)... , June 24, 2015 ... of the "Latin America Biomedical Sensors Market - ... offering. The Latin America Biomedical Sensors market ... CAGR of 2.04% over the period 2014-2020 ... adaptable to the genetic formulation of each individual. These ...
Breaking Biology News(10 mins):Worldwide Capacitive Fingerprint Sensors Patent Landscape Market Report 2015-2020 - Main IP Holders include Seiko Epson, AuthenTec, Sony and STMicroelectronics 2Next Generation Biometrics Market 2015 - Global Forecast to 2020 with Safran, NEC, 3M Cogent, Fujitsu & Suprema Dominating the $24 Billion Market 2Next Generation Biometrics Market 2015 - Global Forecast to 2020 with Safran, NEC, 3M Cogent, Fujitsu & Suprema Dominating the $24 Billion Market 3Latin America Biomedical Sensors Market Report 2015-2020 2
... When we absorb new information, the human brain reshapes itself ... new knowledge kept, and how does that capacity to adapt ... senile dementia later in our lives? Dr. Yaniv Assaf ... new way to track the effect of memory on brain ...
... Arizona researchers have added another piece to the ... to treat patients in cardiac arrest, "passive ventilation" significantly ... ventilation." The study, published in an online edition ... patients who had suffered a cardiac arrest outside a ...
... Jerusalem have succeeded for the first time in devising ... mechanism that enables networks of neurons to efficiently decode ... lead to the upgrading of computer algorithms for faster ... the development of innovative treatments for auditory problems among ...
Cached Biology News:A window into the brain 2Cardiac arrest resuscitation: Passive oxygen flow better than assisted ventilation 2Hebrew U. researchers shed light on the brain mechanism responsible for processing of speech 2
(Date:7/30/2015)... Ascendis Pharma A/S (Nasdaq: ASND ... TransCon technology to address significant unmet medical needs, ... Phase 2 study to evaluate the safety and ... treatment-naïve, pre-pubertal children with growth hormone deficiency, or ... the top-line results from our Phase 2 pediatric ...
(Date:7/30/2015)... ... July 30, 2015 , ... GEA's ... designed for continuous operation up to 1500 bar. The sanitary design gauge of ... preventing toxic contamination. , The Pony™ NS2006L homogenizer is an ideal solution for ...
(Date:7/29/2015)... , July 29, 2015 US-Australian drug ... ) today confirmed it is committed to progressing its ... soon as practicable and to ensure the Company delivers ... Executive Officer, Iain Ross , said the Company ... the lead pre-clinical programs, discovery programs and academic partnerships ...
(Date:7/29/2015)... FRANCISCO , July 29, 2015  AsureQuality ... mobile molecular testing for applications in food and ... hand-held, battery powered real-time PCR device, the Freedom4. ... farm right through to the supermarket shelf for ... This includes involvement in animal disease control and ...
Breaking Biology Technology:Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 2Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 3Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 4Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 5Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 6Ascendis Pharma A/S Announces Positive Top-line Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 7GEA Announces the Pony™ NS2006L… a Self-contained, High Pressure Lab Homogenizer for Product Development Ensuring Maximum Efficiency and Safety 2Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 2Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 3Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 4Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 5Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 6Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 7Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 8Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 9Newly Appointed Acting CEO Outlines Immediate Plans for Novogen 10AsureQuality and Ubiquitome Partner on Applications for Mobile Molecular Food Safety Testing 2
... (PDL) (Nasdaq: PDLI ) today announced that it ... $0.50 per share to all stockholders owning shares of PDL ... As previously announced, the conversion rate for the Company,s ... to 140.571 shares of common stock per $1,000 principal amount ...
... 1 Maven Biotechnologies today announced that the company ... for Allergy and Infectious Disease (NIAID), part of the ... imaging technology for label-free protein microarrays and cell-based ... through the federal stimulus package initiative for Biomedical Research, ...
... The Culex quinquefasciatus mosquito poses a significant ... elephantiasis-causing worms and encephalitis-inducing viruses. An international team of ... the SIB Swiss Institute of Bioinformatics sequenced its genome ... published in today,s issue of Science, describe results from ...
Cached Biology Technology:Maven Biotechnologies Receives $1.96 Million From the National Institutes of Health (NIH) to Develop Their LFIRE™ Label-Free Detection Technology for Proteomics 2Major disease-vector mosquito reveals the secrets of its immune system 2
Guanylate Kinase Purified Anti-Mouse, Anti-Rat clone 28, Isotype Mouse IgG 1 , 50 µg Consult technical datasheet for details....
Proliferin (C-14)...
... Expand the computing power of your ValveBank ... on-off sequences with a Macintosh computer using ... programs to disk, print out program listings, ... memory in one simple step., EasyCode is ...
... Jouan MSC series of Class II ... conditions and certification to the world's ... ensures that the cabinets cannot be ... Natural lighting, low noise and arm ...
Biology Products: