Navigation Links
Water management in cells

Water management is the key to regulating cell volume says Dutch researcher Bas Tomassen. He investigated the uptake and secretion of water by the plasma membrane of animal and human cells.

Cell volume is the outcome of a subtle balance between water uptake and secretion by the cell plasma membrane. A cell can regulate its volume by adjusting the salt concentrations in and around the cell. Exactly how this process works is still not known. Bas Tomassen has identified a number of important mechanisms that play a role in this process.

Increasing the salt concentration in the cell or decreasing the salt concentration around the cell leads to an influx of water. This principle is known as osmosis. Cells activate various channels to remove excess water and salt or osmotically active particles from the cell.

Tomassen studied cells that are highly sensitive for osmotic disruption. He discovered that cells permeable for water can more easily respond to changes in salt concentrations and that volume changes are facilitated by the presence of specific channels that transport water.

Slow organic reaction

In addition to water channels and ion channels, organic particles play an important role. If the salt balance is disrupted, so-called 'volume-regulated anion channels' are first of all activated. These ensure that chloride ions leave the cell. Further research revealed that the efflux of organics only starts one or two minutes later. This efflux only takes place if there is a large difference between the intracellular and extracellular salt concentrations. From this the researcher concluded that the efflux of organics is a second line of defence, which is only activated if there are considerable problems.

All organisms in the natural environment are confronted with salt balances in and around their cells. Plants, bacteria and fungi have an extra cell wall that provides the cell with additional protection. Animal cells,
'"/>

Source:Netherlands Organization for Scientific Research


Page: 1 2

Related biology news :

1. Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses
2. GeneNotes - A novel information management software for biologists
3. Study of energy and health in Africa focuses spotlight on charcoal and forest management
4. Energy management in cells may hold key to cancer defense
5. Aquatic plants may hold key to advancing plant disease management
6. Saharas edge studied from ground, air and space to improve water management
7. Madagascan tropical forests return thanks to better management and well-defined ownership
8. Wisconsin scientists grow critical nerve cells
9. Spleen may be source of versatile stem cells
10. Elusive HIV shape change revealed; Key clue to how virus infects cells
11. Scientists rid stem cell culture of key animal cells
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Water management cells

(Date:7/28/2014)... that have seen an increase in so-called "nuisance flooding"--which ... storm drains and compromised infrastructure--are on the East Coast, ... nuisance flooding, caused by rising sea levels, has increased ... percent since the 1960s. , The report, Sea Level ... States, also finds Annapolis and Baltimore, Maryland, lead the ...
(Date:7/28/2014)... study suggest two ways to effectively address the problem that ... women, compared to women of a normal body mass index. ... but as the population has increased in weight, concern has ... Studies have consistently found that obesity has a negative impact ... affect how well the pill prevents pregnancy. , ...
(Date:7/28/2014)... MANHATTAN, Kansas He calls himself the bug hunter, ... that can only be found and identified with special ... at the Kansas State Veterinary Diagnostic Laboratory at Kansas ... his discoveries, porcine enterovirus G, which is an important ... a virus in cells, but didn,t know what it ...
Breaking Biology News(10 mins):NOAA: 'Nuisance flooding' an increasing problem as coastal sea levels rise 2NOAA: 'Nuisance flooding' an increasing problem as coastal sea levels rise 3Strategies identified to improve oral contraceptive success with obese women 2Researcher using next-generation sequencing to rapidly identify pathogens 2Researcher using next-generation sequencing to rapidly identify pathogens 3
... CA November 29, 2010 - For Immediate Release ... uncovered a previously unknown regulatory mechanism in the body,s response ... challenge a long-held dogma in the field of immunology and ... be administered to the origin of autoimmunity. The results ...
... A broad review of current research on nuclear power economics ... Sustainable Energy . The report concludes that nuclear power will ... current fuel cycle is not sustainable. Due to uncertainty about ... on basic assumptions that are not grounded in real data. ...
... who linked eating tomatoes with a reduced risk of ... them trace the metabolism of tomato carotenoids in the ... Institutes of Health to do it. "Scientists believe ... orange colors to some fruits and vegetablesprovide the cancer-preventive ...
Cached Biology News:Scripps Research scientists redefine the role of plasma cells in the immune system 2Scripps Research scientists redefine the role of plasma cells in the immune system 3Scripps Research scientists redefine the role of plasma cells in the immune system 4U of I scientists develop tool to trace metabolism of cancer-fighting tomato compounds 2
(Date:7/28/2014)... VA (PRWEB) July 28, 2014 The ... nonprofit authority on the use of health IT to ... Health Plan Identifier (HPID) Workgroup has developed ... a Health Plan and Payer?” The HPID Workgroup, a ... closely with the Centers for Medicare and Medicaid Services ...
(Date:7/28/2014)... -   JOLT , a leading technology accelerator, announced ... growing portfolio of startups. Next-level tech and boundary-pushing innovation ... JOLT accelerator, and Cohort four is no exception, with ... Since its launch in July 2012, JOLT has produced ... Now at 23 investments, JOLT,s portfolio has an overall ...
(Date:7/28/2014)... MO (PRWEB) July 28, 2014 ... and services that bring the power of genomics to ... inaugural Appistry Pipeline Challenge . , Two ... president of the National Center for Genome Resources, and ... Hospitals and Clinics of Kansas City. Rounding out the ...
(Date:7/28/2014)... , July 28, 2014 Research and ... Particle Size Analysis Market 2014-2018" report to their offering. ... Particle size analysis is a technique used to determine the ... or liquid. It is crucial to analyze the size of ... Therefore, particle size analysis is performed to determine the behavior ...
Breaking Biology Technology:WEDI’s HPID Workgroup Announces Release of Issue Brief: “What is the Difference Between a Health Plan and Payer?” 2JOLT Announces the Next 6 Startups to Join its Summer 2014 Cohort 2JOLT Announces the Next 6 Startups to Join its Summer 2014 Cohort 3Appistry Names Industry Experts from the National Center for Genome Resources and Mercy Children's, Kansas City, to Judge Pipeline Challenge Competition 2Global Particle Size Analysis Market 2014-2018 2
... Document on Microsoft XP addresses vulnerabilities , ,We have ... of the seminar audience, hold up his or her laptop ... include: encrypted files system, better passwords and physical cabling. The ... good enough. All those suggestions can be bypassed." Finally, ...
... springs legislative debate on the pros and cons of a ... than a few Wisconsin lawmakers had their doubts about the ... debate rolls around, lets hope members of the Senate and ... in the growing U.S. economy. It should turn doubters into ...
... the availability of its @ctiveView Web platform, software designed ... a wide range of electronic sources within an online ... and competitive trademark clearance and protection services within a ... able to integrate references from both traditional trademark data ...
Cached Biology Technology:How to increase your online security 2How to increase your online security 3Venture-backed companies drive job creation, even in tough times 2NameProtect announces Web-enhanced trademark software 2
...
Ultra-sensitive, non-radioactive detection of rat Osteopontin...
Agarose-LE, 250 g. Suitable for soft agarose cloning. Nuclease-free.Gel point (1.5%): 36 1.5 C, EEO (-mr): 1200 g/cm2. Category: Nucleotides & Enzymes & Biochemicals, Ultrapure Biochemicals ....
Request Info...
Biology Products: