HOME >> BIOLOGY >> NEWS
Gene may produce drought-resistant plants

WEST LAFAYETTE, Ind. - The identification and duplication of a gene that controls production of plants' outermost protective coating may allow Purdue University researchers to create crops with increased drought resistance.

Scientists cloned the gene WAX2 after they discovered a fast-wilting mutant of Arabidopsis, a commonly used experimental plant. The gene is directly associated with the synthesis of the protective layer of plants, called the cuticle, and its contained waxes, according to the study published in the May issue of The Plant Cell.

The difference in the mutant Arabidopsis when compared to a wild-type, or normal, plant is the plants' ability to retain water. This is apparently because the mutation, called wax2, has a different cuticle structure than found in a plant that has the normal gene, WAX2.

"If we can alter the expression of the WAX2 gene, we might be able to produce a cuticle that is thicker or more rigid so that it's less permeable to water loss," said Matt Jenks, associate professor of horticulture and landscape architecture.

Manipulating what the gene does or when it is turned on could result in plants better able to survive in arid conditions.

Jenks and his research team isolated more than 20 mutant Arabidopsis plants that showed alterations in the amount of wax they produced. Of these, only a few lost water more quickly than the wild type.

"The mutant wax2 was the most drought susceptible," Jenks said. "Unlike previously described wax mutants, removal of the WAX2 gene product causes dramatic alteration in the cuticle membrane, and the plant no longer is able to prevent water loss."

Jenks said he believes that when the cuticle membrane structure is changed because of the wax2 malfunction of the WAX2 gene, the protective wax within the cuticle membrane is displaced, affecting transpiration. Transpiration is how plants emit waste matter though their leaf surfaces.

"It's likely t
'"/>

Contact: Susan A. Steeves
ssteeves@aes.purdue.edu
765-496-7481
Purdue University
21-May-2003


Page: 1 2

Related biology news :

1. Genetic modification of linseed produces healthier omega 3 and 6 fatty acids
2. Spontaneous mutation produces new MAO A/B knockout mouse
3. Scientists reinvent DNA as template to produce organic molecules
4. Therapeutic cloning no longer a dream, says scientist who produced first cloned embryonic stem cell
5. Synthetic hormone used in contraceptives and HRT produces negative effects in monkey studies
6. Biologists discover nerve activity, not just genetics controls kinds of neurotransmitters produced
7. Tigecycline - Candidate antibiotic produces 74 percent cure rate in cSSSI patients
8. First genetic comparison of purebred domestic dogs produces surprises
9. Biological computer diagnoses cancer and produces drug in a test tube
10. High-fat fast-food breakfast produces rush of inflammatory factors into blood stream, UB study finds
11. Oil exploitation in Ecuadors Amazon basin produces a public health emergency

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Gene may produce drought resistant plants

(Date:4/22/2014)... Gables, Fla. (April 21, 2014) -- There are all ... their feathers and spread their colorful tails; satin bowbirds ... with blue and shiny objects; and European bitterling males ... species has evolved a unique method to communicate with ... "Signaling can have profound fitness implications ...
(Date:4/22/2014)... 2014 Scientists from the Florida campus of The ... that plays a critical but previously unknown role in ... showed a novel role for a protein known as ... eLife , a publisher supported by the Howard ... Wellcome Trust. , "This is a critical building block ...
(Date:4/22/2014)... International Science Consortium Ltd.,s nanotechnology expert will present a ... hazard assessment" at the 7th International Nanotoxicology Congress ... Turkey. , Dr. Monita Sharma will outline a ... National Academy of Sciences, " Toxicity Testing in the ... recommends use of non-animal methods involving human cells and ...
Breaking Biology News(10 mins):Best practices in communication for the animal world 2Best practices in communication for the animal world 3Scientists identify critical new protein complex involved in learning and memory 2
(Date:1/15/2014)... 2014  Bill Jacobs Automotive, a group of car dealerships headquartered ... the Heartland Blood Center and offering free oil change coupons ... place Saturday, Jan. 18 at the Bill Jacobs Cadillac and ... (Photo: http://photos.prnewswire.com/prnh/20140115/MN46637 )  The Bill Jacobs ...
(Date:1/15/2014)... Westlake Village, Calif. (PRWEB) January 15, 2014 ... cancer treatment and management through the genomic analysis of ... will offer Therapy Finder™, a web-based cancer decision support ... a reporting option with Cynvenio’s ClearID™ genomic test, Therapy ...
(Date:1/15/2014)... A study has been launched to test whether technology ... help to tackle the problem of obesity.  This unique healthcare ... based in Stowmarket) and academics at University Campus Suffolk is ... which is inspired by equipment used to collect data about ...
(Date:1/15/2014)... (PRWEB) January 15, 2014 DTS Language ... its Online Web Portal for Life Science organizations who need ... specify the subject matter of their documents in advance with ... help reduce time-to-delivery of translations, often a critical factor in ...
Breaking Biology Technology:Join the Bill Jacobs Auto blood drive and receive a free oil change 2Cynvenio Offers New Breast Cancer Therapy Finder Application for its ClearID Breast Cancer Genomic Test 2Cynvenio Offers New Breast Cancer Therapy Finder Application for its ClearID Breast Cancer Genomic Test 3Formula 1 Technology Tackles Obesity in Unique Healthcare Partnership 2Formula 1 Technology Tackles Obesity in Unique Healthcare Partnership 3Formula 1 Technology Tackles Obesity in Unique Healthcare Partnership 4DTS Improves Efficiency for Life Science Document Translations 2
Cached News: