Navigation Links
Not just another brick in the (plant cell) wall
Date:6/17/2011

In a new study revealing key steps for controlling plant growth, Australian researchers have shown how the assembly of components of the plant cell wall regulates growth of root hairs. Root hairs are important structures that allow plants to absorb essential nutrients and water from the soil. The research will assist in contributing to the sustainability of Australia's plant -based industries such as, agriculture, horticulture and forestry.

Co-author Professor Tony Bacic from the ARC Centre of Excellence in Plant Cell Walls, School of Botany and the Bio21 Institute, at the University of Melbourne, said plant cell walls (plant biomass) represent the world's largest renewable resource.

"Plant sciences have become a major new driver of international research due to their central role as renewable sources of transport fuels, as functional foods to improve human health, and as a source of raw materials for industrial processes," he said.

The study has been published in the current issue of the international journal Science.

Most plant roots are covered in fine root hairs which seek out nutrients in the soil and increase the roots' surface area, allowing more water and nutrients to be absorbed.

"The root hair is therefore very important and this work could have applications for plants growing in dry and nutrient-deficient soils as they need to optimise their nutrient and water uptake," Professor Bacic said.

The root hair is a single tubular cell which grows out from the plant's root surface and is surrounded by a wall rich in complex carbohydrates and glycoproteins. This wall surrounds the cell to strengthen it, like a building scaffold.

So to study root hair growth, an international multidisciplinary team of researchers from Argentina, Australia, the United States, Denmark and Brazil targeted genes involved in the production of wall glycoproteins in the model laboratory plant Arabidopsis.

The team identified three groups of genes required for the assembly of the cell wall scaffold glycoprotein, called extensin. When the genes were prevented from functioning, the root hairs were stunted. Without these scaffold glycoproteins and their complete sugar decorations they don't form their correct molecular shape to enable root hair growth. What controls the expression of these genes is the next important question to be addressed.

"This study enhances our fundamental understanding of the growth of plants, our major renewable resource, and would not have been possible without our international collaboration through the ARC Centre of Excellence in Plant Cell Walls," said Professor Bacic.


'/>"/>

Contact: Charlotte Crawford
charlotte.crawford@unimelb.edu.au
61-383-447-220
University of Melbourne
Source:Eurekalert  

Related biology news :

1. Another fisheries commission throws the science overboard in tuna decision, WWF says
2. Another reason to drink a nice cup of shade-grown joe
3. Cancer: Another step towards medication
4. Desert woodrats switch one dietary poison for another
5. Desert woodrats switch one dietary poison for another
6. The first DFG research centers to be funded for another four years
7. Another JDRF partner moves research forward with collaboration agreement for diabetes treatment
8. Ability to literally imagine oneself in anothers shoes may be tied to empathy
9. Why one way of learning is better than another
10. An answer to another of lifes big questions
11. Genetically-modified mice reveal another mechanism contributing to heart failure
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Not just another brick in the (plant cell) wall
(Date:6/2/2016)... NEW YORK , June 2, 2016   The ... (Weather), is announcing Watson Ads, an industry-first capability in which ... advertising, by being able to ask questions via voice or ... Marketers have long ... with the consumer, that can be personal, relevant and valuable; ...
(Date:5/20/2016)...  VoiceIt is excited to announce its new ... By working together, VoiceIt and VoicePass will offer ... take slightly different approaches to voice biometrics, collaboration ... usability. Both ... "This marketing and technology partnership allows ...
(Date:5/3/2016)...  Neurotechnology, a provider of high-precision biometric identification ... Identification System (ABIS) , a complete system for ... can process multiple complex biometric transactions with high ... face or iris biometrics. It leverages the core ... MegaMatcher Accelerator , which have been used in ...
Breaking Biology News(10 mins):
(Date:6/27/2016)... -- Global demand for enzymes is forecast to grow ... billion.  This market includes enzymes used in industrial ... animal feed, and other markets) and specialty applications ... beverages will remain the largest market for enzymes, ... containing enzymes in developing regions.  These and other ...
(Date:6/27/2016)... -- Sequenom, Inc. (NASDAQ: SQNM ), a life ... development of innovative products and services, announced today that ... denied its petition to review decisions by ... Patent No. 6,258,540 (",540 Patent") are not patent eligible ... Court,s Mayo Collaborative Services v. Prometheus Laboratories decision.  In ...
(Date:6/27/2016)... Diego, CA (PRWEB) , ... June 27, 2016 , ... ... solutions for clinical trials, announced today the Clinical Reach Virtual Patient Encounter ... their care circle with the physician and clinical trial team. , Using the CONSULT ...
(Date:6/27/2016)... ... June 27, 2016 , ... ... will join the faculty of the University of North Carolina Kenan-Flagler Business ... strategy and entrepreneurship at UNC Kenan-Flagler, with a focus on the school’s international ...
Breaking Biology Technology: