Navigation Links
Plants unpack winter coats when days get shorter
Date:8/27/2012

EAST LANSING, Mich. Mechanisms that protect plants from freezing are placed in storage during the summer and wisely unpacked when days get shorter.

In the current issue of the Proceedings of the National Academy of Sciences, Michael Thomashow, University Distinguished Professor of molecular genetics, demonstrates how the CBF (C-repeat binding factor) cold response pathway is inactive during warmer months when days are long, and how it's triggered by waning sunlight to prepare plants for freezing temperatures.

The CBF cold response pathway was discovered by Thomashow's team, and it has been shown to be active in crop species as they ready themselves for cold weather.

"We knew that when plants are exposed to cold, nonfreezing temperatures, they can better survive below-freezing temperatures," said Thomashow, who co-authored the study with Chin-Mei Lee, MSU plant biologist. "What this new research demonstrates, though, is that plants' defense mechanisms are also triggered by shortening daylight."

It's widely known that waning daylight triggers trees' defenses against freezing, but this has never been demonstrated in crops and other annual plants. The paper not only shows that such plants use shorter days as a cue for the impending winter, but that the mechanism also is turned off during the warm growing season.

"The CBF pathway is actively turned off during the summer to prevent the allocation of precious resources toward unneeded frost protection," Thomashow said.

Identifying the genes involved in this process gives researchers the potential tools to fine tune this regulation and increase crop productivity, he added.


'/>"/>
Contact: Layne Cameron
layne.cameron@cabs.msu.edu
517-353-8819
Michigan State University
Source:Eurekalert

Page: 1

Related biology news :

1. Not just for the birds: Man-made noise has ripple effects on plants, too
2. Human noise has ripple effects on plants
3. Plants mimic scent of pollinating beetles
4. Stomata development in plants unraveled -- a valuable discovery for environmental research
5. Scientists study the catalytic reactions used by plants to split oxygen from water
6. Which plants will survive droughts, climate change?
7. A bit touchy: Plants insect defenses activated by touch
8. UCSB study shows forest insects and diseases arrive in US via imported plants
9. Nutrient and toxin all at once: How plants absorb the perfect quantity of minerals
10. Neural stem cell transplants for spinal cord injury maximized by combined, complimentary therapies
11. Autologous bone marrow-derived mononuclear cell transplants can reduce diabetic amputations
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/30/2017)... -- Trends, opportunities and forecast in this market to ... AFIS, iris recognition, facial recognition, hand geometry, vein recognition, ... industry (government and law enforcement, commercial and retail, health ... and by region ( North America , ... , and the Rest of the World) ...
(Date:3/24/2017)... The Controller General of Immigration from Maldives Mr. ... have received the prestigious international IAIR Award for the most innovative ... ... Maldives Immigration ... Algeen (small picture on the right) have received the IAIR award for ...
(Date:3/22/2017)... , March 21, 2017   Neurotechnology ... object recognition technologies, today announced the release of ... (SDK), which provides improved facial recognition using up ... on a single computer. The new version uses ... improve accuracy, and it utilizes a Graphing Processing ...
Breaking Biology News(10 mins):
(Date:5/16/2017)... ... May 16, 2017 , ... ... of its new ProxiMeta™ Hi-C metagenomic deconvolution service. ProxiMeta enables researchers to ... high-molecular-weight DNA extraction—speeding research insights at lower cost. , “We’re very excited ...
(Date:5/16/2017)... ... (PRWEB) May 16, 2017 , ... ... Association of Orthopaedic Surgeons (CAOS), long-standing development partners Invibio Biomaterial Solutions, UK, ... spine surgery workshop to help expand knowledge of the implantation of Double ...
(Date:5/15/2017)... ... May 15, 2017 , ... ... Advanced Lift Contouring Cream, a gravity-shattering cream with a patented formula, clinically proven ... to bring the Advanced Lift Contouring Cream to our already innovative ELEVATE product ...
(Date:5/12/2017)... , May 12, 2017  Eli Lilly and Company ... galcanezumab, an investigational treatment for the prevention of ... in three Phase 3 studies (EVOLVE-1, EVOLVE-2 and ... of monthly migraine headache days compared to placebo ... robust results from these three studies bring us ...
Breaking Biology Technology: