News tagged with pollen tubes

results timeline


Biologists Unlock Secrets of Plants' Growing Tips

Biology / Plants & Animals

created Aug 25, 2009 | popularity 5 / 5 (6) | comments 1

(PhysOrg.com) -- Biologist Magdalena Bezanilla and colleagues at the University of Massachusetts Amherst have used a technique they call multi-gene silencing to, for the first time, simultaneously silence nine genes in a ...


Austrobaileya Flower

Scientists find unexpected key to flowering plants' diversity

Biology /

created Jul 28, 2008 | popularity 4.6 / 5 (19) | comments 2

What began with an off-the-cuff curiosity eventually led Joe Williams to hang from the limbs of a tree 80 feet above the soil of northeastern Australia.


Mate choice in plants

Biology /

created Jun 28, 2008 | popularity not rated yet | comments 0

In flowering plants, the female reproductive organ, the pistil, comprises the stigma, style, and ovary. The stigma catches pollen shed by the male anthers. If the pollen is compatible, it will germinate and send tubes through ...





Search results for pollen tubes


One step closer to closure: Neuroscientists discovery key to spinal cord defects

Medicine & Health / Neuroscience

created Dec 28, 2009 | popularity 5 / 5 (2) | comments 1

Spinal cord disorders like spina bifida arise during early development when future spinal cord cells growing in a flat layer fail to roll up into a tube. In the Dec. 6 issue of Nature Cell Biology, researchers from the Jo ...


First case of highly drug-resistant TB found in US (AP)

First case of highly drug-resistant TB found in US

Medicine & Health / Diseases

created Dec 27, 2009 | popularity 5 / 5 (4) | comments 6

(AP) -- It started with a cough, an autumn hack that refused to go away.


Splitting fluorescent protein helps image clusters in live cells

Medicine & Health / Research

created Dec 26, 2009 | popularity 4 / 5 (2) | comments 0

Half a protein is better than none, and in this case, it's way better than a whole one. A Rice University lab has discovered that dividing a particular fluorescent protein and using it as a tag is handy for analyzing the ...


duck

Researchers reveal secrets of duck sex: It's all screwed up

Biology / Plants & Animals

created Dec 23, 2009 | popularity 3.9 / 5 (11) | comments 0

Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...


Novel nanotechnology heals abscesses caused by resistant staph bacteria

Novel nanotechnology heals abscesses caused by resistant staph bacteria

Nanotechnology / Bio & Medicine

created Dec 22, 2009 | popularity 4.3 / 5 (3) | comments 0

Researchers at the Albert Einstein College of Medicine of Yeshiva University have developed a new approach for treating and healing skin abscesses caused by bacteria resistant to most antibiotics. The study ...


Part 1: From Linacs to Lasers: Accelerators and Light Sources of Tomorrow

Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)

Physics / General Physics

created Dec 22, 2009 | popularity 4.7 / 5 (6) | comments 2

From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...


Digital quantum battery

Digital Quantum Battery Could Boost Energy Density Tenfold

Physics / Quantum Physics

created Dec 22, 2009 | popularity 4.9 / 5 (39) | comments 15 weblog

(PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to ...


Nanoparticles go platinum: NCEM instruments provide key images

Nanoparticles go platinum: NCEM instruments provide key images

Nanotechnology / Nanophysics

created Dec 21, 2009 | popularity 4.7 / 5 (3) | comments 0

At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...


Wiggling and waggling: Study sheds light on amazing bee brain

Wiggling and waggling: Study sheds light on amazing bee brain

Biology / Plants & Animals

created Dec 21, 2009 | popularity 4.4 / 5 (10) | comments 0

(PhysOrg.com) -- Their brains are tiny - about the size of sesame seeds - and yet the behaviour of the humble honey bee is so advanced it has scientists scratching their heads in disbelief.


Research project yields better understanding of the defective protein that causes cystic fibrosis

Research project yields better understanding of the defective protein that causes cystic fibrosis

Chemistry / Biochemistry

created Dec 18, 2009 | popularity not rated yet | comments 0

A team of researchers studying the protein that, when defective or absent, causes cystic fibrosis (CF) has made an important discovery about how that protein is normally controlled and under what circumstances ...



List of search results for pollen tubes