HOME >> BIOLOGY >> NEWS
Purdue scientists: Genetically modified fish could damage ecology

WEST LAFAYETTE, Ind. - The genetic modifications that improve animals for human consumption also could doom populations if released into the wild, according to a Purdue University research team.

Biologist Rick Howard and his colleagues have discovered a paradox that crops up when new genes are deliberately inserted into a fish's chromosomes to make the animal grow larger. While the genetically modified fish will be bigger and have more success at attracting mates, they may also produce offspring that are less likely to survive to adulthood. If this occurs, as generations pass, a population could dwindle in size and, potentially, disappear entirely.

"Ours is the first demonstration that a genetically modified organism has a reproductive advantage over its natural counterpart," said Howard, a professor of biological sciences in Purdue's School of Science. "Though altering animals' genes can be good for humans in the short run, it may prove catastrophic for nature in the long run if not done with care. And we don't know just what kind of care is necessary yet, or how much."

This research, which Howard conducted with William Muir of the animal sciences department and Andrew DeWoody of the forestry and natural resources department, appears in this week's (Feb. 17) online issue of the journal Proceedings of the National Academy of Sciences. Howard and Muir published a related article in the same journal in December 1999 that showed larger animals had a mating advantage, but their previous article did not relate mating advantage to genetic modification (see below URL for related news release).

The most common question posed about genetically modified organisms - GMOs for short, and also called transgenics - is whether they are safe for people to eat. When GMOs were first made commercially available in 1996, many food crops, such as corn and soybeans, were altered to produce substantially more yield than they do in nature. The debate on GMOs
'"/>

Contact: Chad Boutin
cboutin@purdue.edu
765-494-2081
Purdue University
23-Feb-2004


Page: 1 2 3

Related biology news :

1. Purdue study finds antioxidant protects metal-eating plants
2. Bright idea could doom cancer and viruses, say Purdue scientists
3. Purdue yeast makes ethanol from agricultural waste more effectively
4. IU and Purdue scientists to answer questions about Brood X periodical cicadas
5. Purdue scientists finding ways to outsmart crop-damaging bugs
6. Chestnut trees to spread across landscape again, says Purdue scientist
7. Purdue scientists: To stop cancer, keep your Icmt away from your Ras
8. Purdue chemists put the twist on protein building block
9. Fat cells fight disease, Purdue University researchers find
10. Purdue chemist mussels in on secrets of natural adhesives
11. Purdue engineers develop quick, inexpensive method to prototype microchips

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


(Date:2/7/2017)... LONG BEACH, New York , February 7, 2017 ... formerly known as ID Global Solutions Corporation [OTC: IDGS], ... identification, identity management and electronic transaction processing services, is ... a reorganization of the Company. Effective January ... Chairman of the Board of Directors, CEO and President. ...
(Date:2/2/2017)... 2017   TapImmune, Inc. (NASDAQ: ... in the development of innovative peptide and gene-based ... and metastatic disease, announced today it has successfully ... a second clinical lot of TPIV 200, the ... The manufactured vaccine product will be used to ...
(Date:1/31/2017)... Mass. , Jan. 31, 2017  Spero ... novel therapies for the treatment of bacterial infections, ... set of antibacterial candidates from Pro Bono Bio ... increased prevalence of multi-drug resistant forms of Gram-negative ... Cantab Anti Infectives Ltd, a PBB group company. ...
Breaking Biology News(10 mins):
(Date:2/23/2017)... 2017  MIODx announced today that it has ... technologies from the University of California, San Francisco ... monitor a patient for response to immune checkpoint ... second license extends the technology with a method ... have an immune-related adverse event (IRAE) from their ...
(Date:2/23/2017)... ... February 23, 2017 , ... Baltimore ... multiple immunoassay-based threat detection technologies by researchers from the Pacific National Northwest ... detection technology was found to have the best level of detection (LOD) ...
(Date:2/23/2017)... Feb. 23, 2017 Aviva Systems Biology ... the acquisition of GenWay Biotech Incorporated, a protein ... and product offering for both the research and ... growth and enhance capabilities for both entities. GenWay,s 18 ... assays will nicely complement ASB,s objective to become ...
(Date:2/22/2017)... ... February 22, 2017 , ... Park Systems , a leader in ... for all SPIE attendees and Park customers on Feb. 27, 2017 from ... San Jose Convention Center. The luncheon will feature a talk on Automated AFM ...
Breaking Biology Technology:
Cached News: