HOME >> BIOLOGY >> NEWS
Scientists find stem cell switch

Scientists have discovered how plant stem cells in roots detect soil structure and whether it is favourable for growth.

Poor soil structure is a problem in tropical agriculture, where soil becomes compact as it dries out.

We believe this is a first step towards understanding how plants respond to soil compaction. Armed with this understanding we can start to devise ways to tackle it, said research leader Professor Liam Dolan, of the John Innes Centre in Norwich, UK.

The research team determined that the hormone ethylene regulates cell division in root stem cells. Ethylene is known to play a role in perceiving and communicating environmental cues.

We predict that this is the mechanism plants use to detect how tough or soft the soil is around them, said Professor Dolan.

As in humans, plant stem cells are the source of all growth. The defining characteristics of stem cells are that they are able to either regenerate themselves or produce other types of cells. The ultimate source of cells in the root is the quiescent center, a group of four stem cells that divides infrequently and can produce any type of cell in the root. This study proved that ethylene is the cue needed to promote cell division.

Every spring, the growth in your garden is the result of the function of stem cells, said Professor Dolan.

Stem cells in buds are activated to divide and give rise to the growth for that season. In roots, we found that the division of stem cells is regulated by ethylene. We suggest that ethylene provides signals from the environment to activate cell division when the conditions are right.

The research was carried out in the mustard-like plant Arabidopsis, but it is thought to apply to other plant species.


'"/>

Contact: Zoe Dunford
zoe.dunford@bbsrc.ac.uk
44-016-032-55111
Norwich BioScience Institutes
26-Jul-2007


Page: 1

Related biology news :

1. Scientists show that mitochondrial DNA variants are linked to risk factors for type 2 diabetes
2. Scientists prove that disputed Korean stem cell line comes from an unfertilized egg and not cloning
3. Scientists move closer to bio-engineered bladders
4. Scientists discover new way to study nanostructures
5. Scientists a step closer to understanding how anaesthetics work in the brain
6. Scientists to make news at Computational Biology Conference
7. Accident-prone? Scientists link brain function to knee injuries
8. Scientists take next step in understanding potential target for ovarian cancer treatment
9. Scientists find brown fat master switch
10. Scientists identify 2 distinct Parkinsons networks
11. Scientists follow familiar TRAIL to new cancer therapy

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:5/8/2019)... GREENWICH, Conn. and TORONTO (PRWEB) , ... May ... ... a growth recapitalization of Axiom Real-Time Metrics (“Axiom”), a premier provider of unified ... I, II and III clinical trials and observational studies. Axiom is a leading ...
(Date:5/7/2019)... , ... May 07, 2019 , ... ... first on-site Legionella DNA test in the UK. , In May, Landsec will ... Legionella results in 45 minutes, enabling operators to take corrective action within hours ...
(Date:5/2/2019)... ... April 30, 2019 , ... Philadelphia intellectual property law ... that Gunes Bender, Ph.D., a registered patent agent, has joined the firm as ... role, Bender provides technical support and scientific expertise in the pharmaceutical and biotechnical ...
Breaking Biology News(10 mins):
(Date:5/4/2019)... ... May 03, 2019 , ... More than three thousand ... Association, the scientist and ufologist Urandir Fernandes de Oliveira, last Thursday (25), during ... results of some research carried out by the association, in partnership with scientists ...
(Date:5/2/2019)... ... 30, 2019 , ... The centuries old practice of brewing beer thrives today ... breweries, and even home brewing clubs scattered across the nation. , But proper ... mastered can produce a superb product. Students at South Dakota School of Mines ...
(Date:5/2/2019)... (PRWEB) , ... May 02, 2019 , ... ... transplantation clinic in the greater Boston area. Gone are the days of painful ... ARTAS® iX Robotic Hair Restoration System is the only robotic intelligent solution to ...
(Date:4/18/2019)... ... April 18, 2019 , ... Taking ... that includes a chemical engineer at Worcester Polytechnic Institute (WPI) has developed a ... it possible to manufacture isobutanol and other biofuels more economically. , Isobutanol, like ...
Breaking Biology Technology:
Cached News: