HOME >> BIOLOGY >> NEWS
Canadian scientists find potent antifreeze protein that equips insects to brave winter

Researchers from Queen's University and the University of Alberta have gleaned the precise structure of winter protection proteins derived from insects, knowledge that could greatly benefit Canadian agriculture. The antifreeze proteins were found to be up to 100 times more powerful than similar proteins found in fish.

In two studies published in the July issue of Nature magazine, Queen's biochemist Dr. Peter Davies and his colleagues describe the unusual beta helix structure of the antifreeze proteins, the secret to some insects' ability to survive winters in temperatures as low as minus 30 degrees Celsius.

The new findings build on earlier research by Drs. Davies and Zongchao Jia and their students that explained how ocean fish survive Arctic waters as a result of the antifreeze proteins in their blood. Four years ago, the Queen's biochemists revealed the structural basis for how the fish proteins bind irreversibly to ice crystals and stop them from growing.

A secondary benefit of the research may be a powerful weapon in the fight against the spruce budworm, the scourge of the boreal forests of eastern Canada, and the mealworm beetle, commonly found where grains and animal feeds are stored. The Queen's researchers have isolated and documented the molecular structures of two "hyperactive" antifreeze proteins in these two insects.

"This is very exciting. These proteins are far more potent than those found in fish," says Dr. Davies. "With this information, we can go on to modify other molecules to produce new antifreeze proteins that mimic these or are even more effective."

The findings hold promise for agriculture in the event that antifreeze proteins can be used to make plants frost resistant and extend both the growing season and the geographic areas in which crops can be grown. They may also represent a breakthrough for the frozen food industry. "By controlling the size of ice crystals in frozen foods, y
'"/>

Contact: Nancy Marrello
marrello@post.queensu.ca
613-533-2035
Queen's University
23-Jul-2000


Page: 1 2

Related biology news :

1. Canadian Society of Agronomy partners with Plant Management Network
2. Canadian-led study identifies which colon cancer patients benefit from chemotherapy
3. UK-Canadian consortium commits $95 million to international health research project
4. Toronto General Hospital to be only Canadian site in first-ever genetic study of anorexia nervosa
5. Canadian scientists unlock secret of calcium waves in cells
6. Canadian scientists develop first-ever Fusarium-tolerant pastry
7. Canadian researchers find cancer suspect from grilled meat in human milk
8. Quadrennial joint annual meetings of American Society of Plant Biologists and Canadian Society of Plant Physiologists in Providence July 21-25 will present latest advances in plant science
9. Worlds largest scientific society providing scientific publications to Canadian academic research institutions
10. DNA lends scientists a hand, revealing new chemical reactions
11. Conference at UH opens doors for new scientists, engineers

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


(Date:6/30/2017)... , June 30, 2017 Today, ... developer and supplier of face and eye tracking ... Featured Product provider program. "Artificial ... innovative way to monitor a driver,s attentiveness levels ... from being able to detect fatigue and prevent ...
(Date:5/16/2017)... , May 16, 2017  Veratad Technologies, LLC ( ... online age and identity verification solutions, announced today they ... Conference 2017, May 15 thru May 17, 2017, in ... and International Trade Center. Identity impacts ... and in today,s quickly evolving digital world, defining identity ...
(Date:4/19/2017)... 2017 The global military biometrics ... marked by the presence of several large global players. ... five major players - 3M Cogent, NEC Corporation, M2SYS ... nearly 61% of the global military biometric market in ... global military biometrics market boast global presence, which has ...
Breaking Biology News(10 mins):
(Date:10/10/2017)... SANTA CRUZ, Calif. , Oct. 10, 2017 /PRNewswire/ ... SBIR grant from the NIH to develop RealSeq®-SC (Single ... preparation kit for profiling small RNAs (including microRNAs) from ... Cell Analysis Program highlights the need to accelerate development ... "New techniques for ...
(Date:10/9/2017)...  BioTech Holdings announced today identification and patenting ... stem cell therapy prevents limb loss in animal ... that treatment with ProCell resulted in more than ... to standard bone marrow stem cell administration.  Interestingly, ... of therapeutic effect.  ...
(Date:10/9/2017)... Phoenix, Arizona (PRWEB) , ... October 09, 2017 ... ... of Kindred, a four-tiered line of medical marijuana products targeting the needs of ... production and packaging of Kindred takes place in Phoenix, Arizona. , As operators ...
(Date:10/7/2017)... (PRWEB) , ... October 06, ... ... leader in Hi-C-based genomic technologies, launched its ProxiMeta™ Hi-C metagenome deconvolution product, ... Hi-C kit and accompanying cloud-based bioinformatics software to perform Hi-C metagenome deconvolution ...
Breaking Biology Technology:
Cached News: