Plants grow upward from a tip of undifferentiated tissue called the shoot apical meristem. As the tip extends, stem cells at the center of the meristem divide and increase in numbers. But the cells on the periphery differentiate ...
Biotechnology
Dec 3, 2012
0
0
With increasing demands for sustainable energy, being able to cost-efficiently produce biofuels from plant biomass is more important than ever. However, lignin and hemicelluloses present in certain plants mean that they cannot ...
Biotechnology
Nov 26, 2012
1
0
(Phys.org)—Scientists at The University of Manchester have identified how a plant hormone can affect the rate of cell division in vascular tissue in plants. The findings demonstrate how the hormone controls plant growth ...
Biotechnology
Nov 14, 2012
0
0
Double flowers—though beautiful—are mutants. The genetic interruption that causes that mutation previously helped scientists pinpoint the genes for normal development of flower sexual organs in Arabidopsis thaliana. Now ...
Evolution
Sep 4, 2012
0
0
Leaves come in all shapes and sizes. Scientists have discovered simple rules that control leaf shape during growth. Using this 'recipe', they have developed the first computer model able to accurately emulate leaf growth ...
Plants & Animals
Mar 1, 2012
0
1
Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...
Biotechnology
Feb 5, 2012
0
0
(PhysOrg.com) -- At the bottom of plants' ability to sense touch, gravity or a nearby trellis are mechanosensitive channels, pores through the cells' plasma membrane that are opened and closed by the deformation of the membrane. ...
Plants & Animals
Oct 21, 2011
0
1
UBC researchers have discovered a key mechanism that -- much like a construction site foreperson -- controls the direction of plant growth as well as the physical properties of the biopolymers that plants produce.
Cell & Microbiology
Aug 16, 2011
1
0
(PhysOrg.com) -- In a paper published in the Proceedings of the National Academy of Sciences, Masanori Yamasaki and colleagues from Kobe University in Japan, describe how they analyzed the genomes of several types of rice ...
New ground broken by Michigan State University biochemists helps explain how plants protect themselves from freezing temperatures and could lead to discoveries related to plant tolerance for drought and other extreme conditions.
Biotechnology
Aug 26, 2010
0
0
