Navigation Links
Motor transport in bio-nano systems

in parallel. However, when several motors move along the same track, they start to bump into each other and to form molecular traffic jams. These jams are similar to the jams on our highways but there are also important differences. First, the molecular motors cannot 'see' other motors and their cargo before they bump into them. Second, in contrast to our cars, which cannot leave the highway when they are caught in a jam, the molecular motors can unbind from the filament and, thus, escape into the third dimension.

In order to study these complex patterns of movements, the Max Planck researchers have developed new theoretical models which are based on the known properties of single motors and which enable them to study the cooperative behavior of many motors and their interactions. In the framework of these models, one can determine the functional dependence of the motor transport on the compartment geometry and on the arrangement of the filaments. Two particularly interesting architectures are uniaxial arrangements of filaments within tube-like compartments, which resemble axons of nerve cells, see Figure 2, and radial arrangements of filaments within disk-like compartments, which resemble large cells adhering to a substrate surface.

Surprisingly, the geometry of the system has a rather strong effect on the build-up of traffic jams. In uniaxial systems, traffic jams cannot be avoided as one increases the number of motors involved in the cargo transport. In radial systems, on the other hand, jams can be avoided, to a large extent, provided the motors leave the filament sufficiently fast after they have reached its 'plus' end. However, both types of systems exhibit a characteristic, intermediate motor concentration for which the cargo transport is optimal. With the models the researchers can predict how this optimal motor concentration depends on the single motor properties.

The theoretical results are in agreement with the available experimen
'"/>

Source:Max-Planck-Gesellschaft


Page: 1 2 3 4

Related biology news :

1. Molecular Motors Cooperate In Moving Cellular Cargo, Study Shows
2. Motorola researchers develop selective sensors based on carbon nanotubes
3. Motor protein plays key role in connecting neurons
4. Sea skate experiment sheds light on human cell transport
5. Green diesel: New process makes liquid transportation fuel from plants
6. Researchers discover way to transport environmental arsenic to plant leaves in new clean-up strategy
7. Mechanism for neurodenegerative diseases linked to transport proteins
8. New study reveals structure of E. coli multidrug transporter protein
9. High dopamine transporter levels not correlated with ADHD
10. New biofuels process promises to meet all US transportation needs
11. Navigable nanotransport
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Motor transport bio nano systems

(Date:9/15/2014)... is a vital source of energy for both plants ... its way into the cell could lead to the ... increase in the amount of fruits and vegetables farmers ... uncovered one of these "pathways" into the cell by ... a strand of spider silk. , To determine the ...
(Date:9/15/2014)... issue of the journal Science comes out, ... Montana and even the Netherlands, thanks to the type ... norm in these connected times. Yes, the research was ... in biology, medicine, biotechnology and agriculture. It could save ... that one, that one knew another one, and brilliant ...
(Date:9/15/2014)... reef ecologists fears that reef biodiversity may not provide ... once thought. , In an international study published today, ... for Coral Reef Studies (Coral CoE) says we need ... reef ecosystems. , In coral reefs, just as in ... the ecosystem safe and functioning. , Professor Bellwood ...
Breaking Biology News(10 mins):X-rays unlock a protein's SWEET side 2X-rays unlock a protein's SWEET side 3Collaboration drives achievement in protein structure research 2Specialized species critical for reefs 2
... of infection in some hospital wards varies dramatically according ... A University of Leeds-led team studied airflow in a ... two rows of up to 30 bedsby using tracer ... found ventilation in the ward was generally good when ...
... CITY, Calif. , April 16, 2013   DigitalPersona, ... solutions, today announced that Papa John,s restaurants in ... fingerprint biometrics to speed and secure employees, and managers, ... in northern China are using ...
... April 16, 2013 Studies have shown that about ... (HIV) have an elevated resting energy expenditure (REE). Their ... body temperature, and breathing. Most studies have been conducted ... small sample sizes. A team of researchers has sought ...
Cached Biology News:Energy efficiency could increase infection risks in hospital wards 2Energy efficiency could increase infection risks in hospital wards 3Papa John's Restaurants in China Speed and Secure Workflow with DigitalPersona Fingerprint Biometrics 2Women with HIV shown to have elevated resting energy expenditure 2
(Date:9/15/2014)... developed a technique for controlling the surface tension of ... door to a new generation of reconfigurable electronic circuits, ... fact that the oxide "skin" of the metal ... a surfactant, lowering the surface tension between the metal ... liquid metal alloy of gallium and indium. In base, ...
(Date:9/15/2014)... idea of fibers made of carbon nanotubes is neat, but ... The single-walled carbon nanotubes in new fibers created at Rice ... process designed by chemist Angel Mart and his colleagues. , ... results this month in the journal ACS Nano , ... together into a fiber. , Left to their own devices, ...
(Date:9/15/2014)... (PRWEB) September 15, 2014 Bioptigen ... deep imaging OCT system for the optical device metrology ... EnvisuTM S4410 SDOCT for Contact Lens Metrology ... standard and high complexity contact lens, IOL structures, and ... of a complete contact lens immersed in a hydration ...
(Date:9/15/2014)... Idaho , Sept. 15, 2014  iVinci Health ... only comprehensive Patient Revenue Management system, branded as VisitPay®, ... company also announced the launch of a new extension ... that provides an easy and convenient way for patients ... for balances owed by them and their families. ...
Breaking Biology Technology:Researchers control surface tension to manipulate liquid metals 2Rice rolls 'neat' nanotube fibers 2Rice rolls 'neat' nanotube fibers 3Bioptigen Introduces Deep Imaging OCT System for Contact Lens Metrology 2iVinci Health Raises $5M to Fuel National Expansion, Announces Launch of Personal Finance Portal for Healthcare 2iVinci Health Raises $5M to Fuel National Expansion, Announces Launch of Personal Finance Portal for Healthcare 3
... BEIJING , Feb. 8 /PRNewswire-Asia-FirstCall/ -- China Medical Technologies,Inc. (the "Company") ... participate at the,following investor conferences in March 2010 : , , Investor Conference ... Location, Rodman & Renshaw Annual ... ...
... , Full enrollment occurs five months ahead of ... 8 /PRNewswire-FirstCall/ - Resverlogix Corp. ("Resverlogix" or the "Company") ... Phase 2 clinical study of its lead drug RVX-208. "The ... full 5 months ahead of our original schedule, is a ...
... ... agency, announced today that it has been selected by Invida Group, the leading provider ... communications and public relations program. , ... Salem, MA (Vocus) February 8, 2010 -- LaVoie Group , ...
Cached Biology Technology:China Medical Technologies to Participate Investor Conferences in March 2010 2Resverlogix Completes Patient Recruitment for ASSERT Trial 2Resverlogix Completes Patient Recruitment for ASSERT Trial 3Resverlogix Completes Patient Recruitment for ASSERT Trial 4Invida Selects LaVoie Group as Public Relations Agency of Record 2Invida Selects LaVoie Group as Public Relations Agency of Record 3
...
... new Class II safety cabinets Heraeus HERAsafe KS ... user-orientated design. ,The new frameless slanted window ... area. The new front window design makes it ... large work aperture with a height of more ...
... has recently launched a custom synthesis ... (siRNA). Thermos siRNA molecules are: ... 2 DNA bases overhang at the ... Delivered fully deprotected and ready-to-use. ...
Mouse monoclonal [AZ24] to Polo like kinase ( Abpromise for all tested applications)....
Biology Products: