HOME >> BIOLOGY >> NEWS
Transgenic trees hold promise for pulp and paper industries

The expensive, energy-intensive process of turning wood into paper costs the pulp and paper industries more than $6 billion a year. Much of that expense involves separating wood's cellulose from lignin, the glue that binds a tree's fibers, by using an alkali solution and high temperatures and pressures. Although the lignin so removed is reused as fuel, wood with less lignin and more cellulose would save the industry millions of dollars a year in processing and chemical costs. Research at North Carolina State University shows promise of achieving that goal.

By genetically modifying aspen trees, Dr. Vincent L. Chiang, professor of forest biotechnology, and his colleagues have reduced the trees' lignin content by 45 to 50 percent and accomplished the first successful dual-gene alteration in forestry science. Their results are described in the current issue of the Proceedings of the National Academy of Sciences (PNAS). According to Chiang, the NC State research shows not only a decrease in lignin but also an increase in cellulose in the transgenic aspens. And their work demonstrates another benefit: the trees grow faster.

That is very good news for the wood, paper and pulp industries, which do multibillion-dollar business worldwide. Fast-growing, low-lignin trees offer both economic and environmental advantages, because separating lignin from cellulose using harsh alkaline chemicals and high heat is costly and environmentally unfriendly. Harvesting such trees, using them as "crops" with desirable traits, would also reduce pressure on existing forests.

Chiang and his team chose aspens because, he says, "they're the lab rats of forestry research." The scientists scratch the leaves and expose the wound to bacteria carrying the beneficial genes. Treated leaf-disks, with their enhanced genomic structure, are then cloned, producing trees with predictable qualities.

As with any research involving genetic engineering, Chiang's modified aspens
'"/>

Contact: Dr. Vincent L. Chiang
vincent_chiang@ncsu.edu
919-513-0098
North Carolina State University
1-Apr-2003


Page: 1 2 3

Related biology news :

1. Transgenic animals produced using cultured sperm
2. Transgenic mosquitoes are less fertile than their counterparts in nature
3. Transgenic rice for human benefit: a religious perspective
4. Fried green tomatoes: Transgenic tomatoes reveal critical component of thermotolerance
5. Transgenic mice mimic cardiac hypertrophy in humans
6. Transgenic fish could threaten wild populations
7. Researchers Announce Breakthrough In Transgenic Animal Technology
8. Who Needs Flowers? Transgenic Plants Sprout Embryos On Leaves
9. Inhibition Of A Novel Gene Involved In Phosphorylating Starch In TransgenicPotato Tubers Leads To The Repression Of Cold Induced Sweetening
10. Transgenic Mice With Widest Known Range Of Vision Among Mammals Created To Investigate Human Vision Problems, Evolution Of Sight
11. National Toxicology Program Meets On Transgenic Animals

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


(Date:8/17/2018)... ... , ... With increasing safety requirements, and time and financial pressure, the development ... To be successful in such a competitive environment, it is more important than ever ... needed to develop a new drug or to execute fundamental research. , In ...
(Date:8/15/2018)... ... August 15, 2018 , ... The Florida Chiropractic Association’s National Meeting ... Doctors from around the U.S. will gain firsthand insights into the new laser’s ... completed another successful clinical trial that has resulted in the granting of an ...
(Date:8/14/2018)... ... August 13, 2018 , ... Castle Dental® has partnered ... office on South Lamar Blvd. to provide free dental services for underinsured, low-income ... include x-rays and exams, fillings , extractions , cleanings ...
Breaking Biology News(10 mins):
(Date:7/31/2018)... , ... July 31, 2018 , ... ... for 65 years, announces the launch of their new website. The new website ... experience throughout the site. Mahoney partnered with Proceed Innovative to build a website ...
(Date:7/25/2018)... ... July 25, 2018 , ... ... energy treated proprietary nutraceutical to combat inflammation and autoimmune disorders. , The ... function response. The following data was reported:, Over ...
(Date:7/25/2018)... ... July 25, 2018 , ... John McDonald, CEO ... board of the Indiana India Business Council (IIBC), an advocacy group to strengthen ... current board of directors, McDonald joins an impressive roster of local and national ...
(Date:7/24/2018)... ... July 24, 2018 , ... On August 6, ... SmartTRAK platform. Not just a pretty face, SmartTRAK 3.0’s latest improvements were ... SmartTRAK is the world’s first online and real-time data portal that specializes in ...
Breaking Biology Technology:
Cached News: