Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Researchers Discover Why Common Tree Is Toxic to Snowshoe Hares

08.02.2012
Boise State University biologists have uncovered why the chemical defenses in birch, a common type of tree found in North America, are toxic to snowshoe hares.

The snowshoe hare, also commonly called the snowshoe rabbit, is found throughout North America and plays an integral part in the food chain. Understanding the mechanism by which chemical defenses in trees and plants deter snowshoe hares and other herbivores can help explain diet selection and habitat use.

The researchers found that birch inhibits a certain enzyme – succinate dehydrogenase (SDH) – and therefore interferes with cellular energy production. Although it is well documented that the chemicals in birch are harmful to snowshoe hares and other herbivores, the mechanism for toxicity was not known until now.

The study appears online in the Journal of Chemical Ecology and is the first to specifically show how birch’s toxicity affects snowshoe hares.

“If we know diet selection and habitat use, it could lead to better management and conservation of both wildlife and the plants they eat,” said study coauthor Jennifer Forbey, assistant professor of biological sciences. “This work represents a novel discovery and also helps explain the evolution and distribution of chemicals in trees and plants that was made possible by integrating expertise from ecology, pharmacology and chemistry. These chemicals can be toxic to both wildlife and domestic animals and can therefore influence the health of these animals.”

To conduct the study, researchers measured the inhibition of SDH isolated from snowshoe hares using in vitro enzyme kinetics studies. They then used computer generated structures of the enzyme and toxin to see if they have the right “shape” to bind together. They confirmed binding of the birch toxin to SDH, which interferes with cellular energy production, showing how birch affects the snowshoe hare.

Also collaborating on the project are Dong Xu, assistant professor of chemistry; Xinzhu Pu, research assistant professor of biology; Knut Kielland, an associate professor at the University of Alaska, Fairbanks; and John Bryant, professor emeritus at the University of Alaska, Fairbanks.

Learn More About Research at Boise State University
An emerging metropolitan research university of distinction, Boise State University has launched a new website – beyondtheblue.boisestate.edu – to showcase the research expertise and innovative spirit at the university. Known for its unique blue turf and nationally ranked football program, Boise State is demonstrating its creativity beyond the blue in an ongoing series of faculty podcasts where faculty experts provide insight into today’s issues, challenges and topics of interest.

Matt Pene | Newswise Science News
Further information:
http://www.boisestate.edu

More articles from Life Sciences:

nachricht Zebrafish's near 360 degree UV-vision knocks stripes off Google Street View
22.06.2018 | University of Sussex

nachricht New cellular pathway helps explain how inflammation leads to artery disease
22.06.2018 | Cedars-Sinai Medical Center

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Temperature-controlled fiber-optic light source with liquid core

In a recent publication in the renowned journal Optica, scientists of Leibniz-Institute of Photonic Technology (Leibniz IPHT) in Jena showed that they can accurately control the optical properties of liquid-core fiber lasers and therefore their spectral band width by temperature and pressure tuning.

Already last year, the researchers provided experimental proof of a new dynamic of hybrid solitons– temporally and spectrally stationary light waves resulting...

Im Focus: Overdosing on Calcium

Nano crystals impact stem cell fate during bone formation

Scientists from the University of Freiburg and the University of Basel identified a master regulator for bone regeneration. Prasad Shastri, Professor of...

Im Focus: AchemAsia 2019 will take place in Shanghai

Moving into its fourth decade, AchemAsia is setting out for new horizons: The International Expo and Innovation Forum for Sustainable Chemical Production will take place from 21-23 May 2019 in Shanghai, China. With an updated event profile, the eleventh edition focusses on topics that are especially relevant for the Chinese process industry, putting a strong emphasis on sustainability and innovation.

Founded in 1989 as a spin-off of ACHEMA to cater to the needs of China’s then developing industry, AchemAsia has since grown into a platform where the latest...

Im Focus: First real-time test of Li-Fi utilization for the industrial Internet of Things

The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.

Modern production technologies in the automobile industry must become more flexible in order to fulfil individual customer requirements.

Im Focus: Sharp images with flexible fibers

An international team of scientists has discovered a new way to transfer image information through multimodal fibers with almost no distortion - even if the fiber is bent. The results of the study, to which scientist from the Leibniz-Institute of Photonic Technology Jena (Leibniz IPHT) contributed, were published on 6thJune in the highly-cited journal Physical Review Letters.

Endoscopes allow doctors to see into a patient’s body like through a keyhole. Typically, the images are transmitted via a bundle of several hundreds of optical...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Munich conference on asteroid detection, tracking and defense

13.06.2018 | Event News

2nd International Baltic Earth Conference in Denmark: “The Baltic Sea region in Transition”

08.06.2018 | Event News

ISEKI_Food 2018: Conference with Holistic View of Food Production

05.06.2018 | Event News

 
Latest News

Graphene assembled film shows higher thermal conductivity than graphite film

22.06.2018 | Materials Sciences

Fast rising bedrock below West Antarctica reveals an extremely fluid Earth mantle

22.06.2018 | Earth Sciences

Zebrafish's near 360 degree UV-vision knocks stripes off Google Street View

22.06.2018 | Life Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>