Navigation Links
Study offers clues to how plants evolved to cope with cold
Date:12/22/2013

ks, avoid freezing damage by dropping their leaves before the winter chill sets in -- effectively shutting off the flow of water between roots and leaves and growing new leaves and water transport cells when warmer weather returns.

Other plants, such as birches and poplars, also protect themselves by having narrower water transport cells, which makes the parts of the plant that deliver water less susceptible to blockage during freezing and thawing.

Still others die back to the ground in winter and re-sprout from their roots, or start growing as new plants from seeds when conditions are right.

To compile the plant trait data for their study, the researchers spent hundreds of hours scouring and merging multiple large plant databases containing tens of thousands of species, largely with the support of the National Evolutionary Synthesis Center in North Carolina and Macquarie University in Australia.

When they mapped their collected leaf and stem data onto their evolutionary tree for flowering plants, they found that many plants were well equipped for icy climates even before cold conditions hit.

Plants that die back to the ground in winter, for example, acquired the ability to die and come back when conditions improve long before they first experienced freezing. Similarly, species with narrow water transport cells acquired a finer circulatory system well before they confronted cold climates.

"This suggests that some other environmental pressure possibly drought caused these plants to evolve this way, and it happened to work really well for freezing tolerance too," said Zanne.

The only exceptions were plants that shed and replace their leaves seasonally these plant groups didn't gain the ability to drop their leaves during winter until after they encountered freezing, Beaulieu added.

As a next step, the researchers plan to use their evolutionary tree to find out how plants evolved to withstand o
'/>"/>

Contact: Kurtis Hiatt
kkhiatt@gwu.edu
202-735-6361
National Evolutionary Synthesis Center (NESCent)
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Study by UC Santa Barbara researchers suggests that bacteria communicate by touch
2. Law that regulates shark fishery is too liberal: UBC study
3. New study will help protect vulnerable birds from impacts of climate change
4. Study jointly led by UCSB researcher supports theory of extraterrestrial impact
5. BYU study: Using a gun in bear encounters doesnt make you safer
6. 15-year study: When it comes to creating wetlands, Mother Nature is in charge
7. Pycnogenol (French maritime pine bark extract) shown to improve menopause symptoms in new study
8. Crystal structure of archael chromatin clarified in new study
9. EU-funded study underlines importance of Congo Basin for global climate and biodiversity
10. University of Houston study shows BP oil spill hurt marshes, but recovery possible
11. Study demonstrates cells can acquire new functions through transcriptional regulatory network
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Study offers clues to how plants evolved to cope with cold
(Date:4/27/2015)... 2015  For more than four decades, AUVSI,s ... the premier worldwide event for the unmanned land, sea, ... event for any local, national, or trade news organization ... markets and current applications of unmanned technologies. The conference ... $48 billion industry, and how it will soon impact ...
(Date:4/21/2015)... , April 21, 2015 ... evolving government policies are boosting access control systems market ... According to a recently published report by TechSci ... 2020 ", the access control systems market in ... USD1.2 billion by 2020.The access control systems market in ...
(Date:4/17/2015)... 17, 2015 Increasing ... technological advancement to drive biometric systems market in ...   According to a recently released ... &  Opportunities, 2020 ", biometric systems market in ... growth at CAGR of over 22% through 2020. ...
Breaking Biology News(10 mins):UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 2UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 3UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 4UNMANNED SYSTEMS 2015: Largest International Conference and Trade Show for the Drone and Unmanned Technology Industry 5Saudi Arabia Access Control Systems Market to Touch USD1.2 Billion by 2020 Says TechSci Research 2Saudi Arabia Access Control Systems Market to Touch USD1.2 Billion by 2020 Says TechSci Research 3Saudi Arabia Biometric Systems Market to Grow at 22% Through 2020, Says TechSci Research 2Saudi Arabia Biometric Systems Market to Grow at 22% Through 2020, Says TechSci Research 3
... The Ecological Society of America (ESA), the nation,s ... for policymakers and members of the media today: the ... several years that is now fully searchable. Users can ... fields, including climate change, invasive species, urban ecology, conservation ...
... release is available in Spanish . , ... longer, thanks to floriculture research by Agricultural Research Service ... boost the vase life of favorite cut flowers and ... with the ARS Crops Pathology and Genetics Research Unit ...
... NEW YORK, NY (April 2) - New York Stem Cell ... Neural Stem Cell Institute, is lead author on a study ... work while working as a post-doctoral fellow at Memorial Sloan ... Dr. Fasano and his colleagues used human embryonic stem ...
Cached Biology News:Longer-lasting flowers: Fresh ideas from ARS researchers 2NYSCF fellow lead author on study that derives floor plate tissue from embryonic stem cells 2
(Date:5/5/2015)... May 05, 2015 Research and Markets ... the addition of the "Separation Systems ... offering. Macromolecules which include protein, ... or are broken into smaller molecules, during ... separation requires various advanced systems like centrifugation, ...
(Date:5/5/2015)... , May 5, 2015  Tikcro Technologies ... was approved to continue trading on OTCQB  Marketplace, ... OTCQB Marketplace allows for a continuous public ... Investors can have real-time quotes and market information ... The OTCQB Marketplace includes U.S. and international ...
(Date:5/5/2015)... , May 5, 2015  Renova™ Therapeutics, ... congestive heart failure and other chronic diseases, has ... independent analysis designed to reflect the healthcare patterns ... This model will be used to characterize the ... could have on those groups of patients and ...
(Date:5/5/2015)... NEW YORK , May 5, 2015 /PRNewswire/ ... today announced that Andrew Gengos , President and ... on May 7, 2015. DATE:  Thursday, May ... LINK:  http://VirtualInvestorConferences.com > click the ... will be a live, interactive online event where ...
Breaking Biology Technology:Global Separation Systems Market in Biotechnology 2015-2019 - Trends and Forecasts for the $28 Billion Market 2Tikcro Technologies Announces Approval to Continue Trading on OTCQB 2RAND Health Advisory Services modeling heart failure patient outcomes to inform potential impact of Renova Therapeutics lead product candidate 2RAND Health Advisory Services modeling heart failure patient outcomes to inform potential impact of Renova Therapeutics lead product candidate 3ImmunoCellular Therapeutics to Webcast Live at VirtualInvestorConferences.com on May 7 2
... Lambert, Edwards &,Associates (LE&A) today announced it has ... its growing list of health care clients., Based ... agency and the state,s largest investor relations firm. The ... to,WMSTI., "The life science industry is growing at ...
... Preferred Stock Dividend -, SAN DIEGO, Calif., March ... today announced that its board of directors has,declared a ... common stock,an 8.1% increase over the company,s previous quarterly ... to an annualized dividend,of $1.34 per common share., ...
... GHI Medical, a national,leader in preventative healthcare testing, ... of a current test used to analyze specific ... TrichoBioScan(TM)., The TrichoBioScan(TM) consists of a comprehensive ... microscopic analysis of a person,s,hair follicle as well ...
Cached Biology Technology:Lambert, Edwards & Associates Named Agency of Record for The West Michigan Science & Technology Initiative 2BioMed Realty Trust Announces Increase in Quarterly Common Stock Dividend 2
PC based system for superior chemifluorescent, chemiluminescent, fluorescent and colorimetric, microarray and microscope imaging and analysis....
Rabbit Polyclonal antibody to Perilipin Applications: This antibody is useful for Western blot anlaysis where a band at ~60 kDa is seen....
Conveniently document gels, films and membranes with a high quality thermal printer. , Compact, footprint printer , Supplies 256 gray scale for high resolution, archive-quality thermal film prints...
... Mch3 Lyophilized solid. ... regulation and kinetics, cleavage of target substrates, and inhibitor ... One unit is defined as the amount ... Cat. No. 235400 per hour at 37 C at ...
Biology Products: