Navigation Links
Like products, plants wait for optimal configuration before market success
Date:3/29/2011

PROVIDENCE, R.I. [Brown University] Just as a company creates new, better versions of a product to increase market share and pad its bottom line, an international team of researchers led by Brown University has found that plants tinker with their design and performance before flooding the environment with new, improved versions of themselves.

The issue: When does a grouping of plants with the same ancestor, called a clade, begin to spin off new species? Biologists have long assumed that rapid speciation occurred when a clade first developed a new physical trait or mechanism and had begun its own genetic branch. But the team, led by Brown postdoctoral research associate Stephen Smith, discovered that major lineages of flowering plants did not begin the rapid spawning of new species until they had reached a point of development at which speciation success and rate would be maximized. The results are published in the American Journal of Botany.

"Evolution is not what we previously thought," said Smith, who works in the laboratory of Brown biologist Casey Dunn. "It's not as if you get a flower, and speciation (rapidly) occurs. There is a lag. Something else is happening. There is a phase of product development, so to speak."

To tease out the latent speciation rate, Smith and colleagues from Yale University and the Heidelberg Institute for Theoretical Studies in Germany compiled the largest plant phylogeny to date, involving 55,473 species of angiosperms (flowering plants), the genealogical line that represents roughly 90 percent of all plants worldwide. The group looked at the genetic profiles for six major angiosperm clades, including grasses (Poaceae), orchids (Orchidaceae), sunflowers (Asteraceae), beans (Fabaceae), eudicots (Eudicotyledoneae), and monocots (Monocottyledoneae). Together, these branches make up 99 percent of flowering plants on Earth.

The common ancestor for the branches is Mesangiospermae, a clade th
'/>"/>

Contact: Richard Lewis
Richard_Lewis@brown.edu
401-863-3766
Brown University
Source:Eurekalert  

Page: 1 2

Related biology news :

1. Commercial aquatic plants offer cost-effective method for treating wastewater
2. UC Riverside biochemists devise method for bypassing aluminum toxicity effects in plants
3. Reproducing early and often is the key to rapid evolution in plants
4. MSU scientists find new gene that helps plants beat the heat
5. Researchers design artificial cells that could power medical implants
6. When under attack, plants can signal microbial friends for help
7. Current mass extinction spurs major study of which plants to save
8. Scientists unveil mechanism for up and down in plants
9. New hybrid plants could prompt more prodigious pepper production in Southwest
10. Extreme weather postpones the flowering time of plants
11. Even plants benefit from outsourcing
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Like products, plants wait for optimal configuration before market success
(Date:8/28/2014)... FASEB MARC (Maximizing Access to Research Careers) ... the American College of Sports Medicine,s Conference on ... in Miami, Florida. These awards are meant ... and scientists from underrepresented groups into the mainstream ... the participation of young scientists at the American ...
(Date:8/28/2014)... new roads will be built worldwide by 2050. Many ... where they bring an influx of destructive loggers, hunters ... has created a ,global roadmap, for prioritising road building ... demands of development and environmental protection. , The map ... natural importance of ecosystems and a ,road-benefits, layer that ...
(Date:8/28/2014)... exports from Washington, Oregon, northern California, and Alaska totaled ... quarter of 2014, an increase of more than 10 ... U.S. Forest Service,s Pacific Northwest Research Station reported today. ... by 4 percent to 247 million board feet. , ... more than 5 percent to $390 million in the ...
Breaking Biology News(10 mins):Study shows where on the planet new roads should and should not go 2Study shows where on the planet new roads should and should not go 3West coast log exports up, lumber exports down in second quarter of 2014 2
... This release is available in German . ... that Nadja Knoll found new proof in the nomad people of ... nutritionist from the Friedrich Schiller University Jena (Germany) analyzed the diet ... of the field study show that the Maasai are in a ...
... PROVIDENCE, R.I. [Brown University] In 1988, a mysterious invader ... likely arrived in ballast from commercial ships, and it found ... decades later, the crab, Hemigrapsus sanguineus , has expanded ... southward to North Carolina. Its numbers continue to expand, and ...
... ORLEANS, LA Broncus Technologies, Inc., a medical device ... diseases, announced today at the American Thoracic Society ... system version 2.1. The bronchoscopic navigation system is ... These highlight the clinical benefits of using the ...
Cached Biology News:Nomad people baffle with good health in spite of malnourishment 2Are invasives bad? Not always, say Brown researchers 2LungPoint system results presented at American Thoracic Society 2010 International Conference 2LungPoint system results presented at American Thoracic Society 2010 International Conference 3
(Date:8/28/2014)... BELLINGHAM, Washington, USA (PRWEB) August 27, 2014 ... Colorado next month for SPIE Laser Damage 2014 ... on optical materials for high-power lasers will run 14-17 ... international society for optics and photonics . , The ... key for understanding laser damage to optical materials will ...
(Date:8/28/2014)... 2014 Supplementing their complete line ... for Eppendorf Safe Lock Centrifuge Tubes . ... highest quality tubes at an affordable price. Eppendorf ... doing chemical, medical, pharmaceutical, and life science research ... regularly able to afford Eppendorf products. , Eppendorf ...
(Date:8/27/2014)... 2014 Rhythm, a biopharmaceutical company developing peptide ... result in metabolic disorders, announced today that it has ... U.S. Securities and Exchange Commission (SEC) relating to the ... stock. The number of shares to be offered and ... been determined. Citigroup and Cowen and Company ...
(Date:8/27/2014)... mysteries is how plants survive impact by the ... rays, while using this energy for photosynthesis. The ... plant,s blades quickly dissipate the energy throughout the ... at DTU Physics have now managed to successfully ... bacteria contain light-absorbing proteins which play a role ...
Breaking Biology Technology:Laser Damage to Draw Researchers, Engineers, Scientists to 46th Annual Conference 2Laser Damage to Draw Researchers, Engineers, Scientists to 46th Annual Conference 3Eppendorf Safe Lock Centrifuge Tube Promotion Now Available at Major Pipette Distributor Pipette.com 2Eppendorf Safe Lock Centrifuge Tube Promotion Now Available at Major Pipette Distributor Pipette.com 3Rhythm Files Registration Statement for Proposed Initial Public Offering 2DTU researchers film protein quake for the first time 2
... TRIANGLE PARK, N.C., Aug. 27 NovaQuest ... Inc., a,clinical-stage biopharmaceutical company specializing in respiratory,disorders. ... placement of C$26 million,(US$25 million) in the ... by NovaQuest, the strategic partnering group,of Quintiles ...
... HONG KONG, Aug. 27 /Xinhua-PRNewswire-FirstCall/ -- China Technology,Development ... today,announced the appointment of Charlene Hua as the ... pursuant to a board,resolution passed on the same ... Committee of the Company. As Chief Financial ...
... BRIDGEWATER, N.J., Aug. 27 Sanofi-aventis,U.S. launched today ... chemotherapy,treatment Eloxatin(R) (oxaliplatin injection) for patients who have,adjuvant ... which is,expected to offer more convenience, efficiency and ... Previously, Eloxatin(R) had been,available in 50 mg and ...
Cached Biology Technology:NovaQuest Advances 'Virtual Development' Model With Strategic Investment in TOPIGEN Pharmaceuticals 2China Technology Announces New Chief Financial Officer 2China Technology Announces New Chief Financial Officer 3New 200 mg Vial for Eloxatin(R) (Oxaliplatin Injection) Offers Greater Convenience and Efficiency of Preparation 2New 200 mg Vial for Eloxatin(R) (Oxaliplatin Injection) Offers Greater Convenience and Efficiency of Preparation 3New 200 mg Vial for Eloxatin(R) (Oxaliplatin Injection) Offers Greater Convenience and Efficiency of Preparation 4New 200 mg Vial for Eloxatin(R) (Oxaliplatin Injection) Offers Greater Convenience and Efficiency of Preparation 5New 200 mg Vial for Eloxatin(R) (Oxaliplatin Injection) Offers Greater Convenience and Efficiency of Preparation 6New 200 mg Vial for Eloxatin(R) (Oxaliplatin Injection) Offers Greater Convenience and Efficiency of Preparation 7
Comp Dim: chamber diam. depth 20 2.8 mm chamber maximum volume 720 μL...
...
... for in vitro diagnostic assays, all EIA/RIA ... for uniform binding, high optical clarity and ... are part of the Certified Surface Chemistry ... be within QA release specifications. Linkage: This ...
... Features A direct, simple ... to the well surface of ... Maleic anhydride maintains its integrity ... months under dry, room temperature ...
Biology Products: