News tagged with insect cells
Tracking dragonflies on the wing
(PhysOrg.com) -- Duke University electrical engineers have developed a wirelessly powered telemetry system that is light and powerful enough to allow scientists to study the intricate neurological activity ...
Nov 16, 2011 |
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Dogs, maybe not, but old genes can learn new tricks
A popular view among evolutionary biologists that fundamental genes do not acquire new functions was challenged this week by a new study in the Proceedings of the National Academy of Sciences.
May 11, 2009 |
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Scientists find a key to growth differences between species
The tiny, little-noticed jewel wasp may provide some answers as to how different species differ in size and shape. And that could lead to a better understanding of cell growth regulation, as well as the underlying ...
Feb 23, 2012 |
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Researchers induce freezing tolerance in fruit fly
(PhysOrg.com) -- Most of what is known about the ability of some cold blooded animals and several insects to survive having their body temperature fall below freezing has led to the conclusion that those organisms ...
Dramatic diversity of columbine flowers explained by a simple change in cell shape
Columbine flowers are recognizable by the long, trailing nectar spurs that extend from the bases of their petals, tempting the taste buds of their insect pollinators.
Nov 16, 2011 |
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A new role is hatched for female fruit flies
A team of New York University biologists has uncovered a previously unknown role for a set of cells within the female reproductive tract of fruit flies that affects the functioning of sperm and hence fertility. Their discovery, ...
Nov 08, 2011 |
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Growing without cell division
An international team of scientists, including biologists from the University of North Carolina at Chapel Hill, may have pinpointed for the first time the mechanism responsible for cell polyploidy, a state ...
Nov 01, 2011 |
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Research team clarifies mechanics of first new cell cycle to be described in more than 20 years
An international team of researchers led by investigators in the U.S. and Germany has shed light on the inner workings of the endocycle, a common cell cycle that fuels growth in plants, animals and some human tissues and ...
Oct 30, 2011 |
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How Wolbachia bacteria controls vectors of deadly diseases
Researchers at Boston University have made discoveries that provide the foundation towards novel approaches to control insects that transmit deadly diseases such as dengue fever and malaria through their study of the Wolbachia bacter ...
Oct 20, 2011 |
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Tiny insect brains capable of huge feats
Insects may have tiny brains the size of a pinhead, but the latest research from the University of Adelaide shows just how clever they really are.
Jun 11, 2010 |
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How fruit flies taste water
(PhysOrg.com) -- The ability to detect water and regulate water intake is essential for all animals because if cells have too little or too much water the consequences for the animal can be disastrous. It ...
In journey from maggot to fruit fly, a clue about cancer metastasis
Scientists trying to understand how cancer cells invade healthy tissue have used the fruit fly's metamorphosis from maggot to flying insect as a guide to identify a key molecular signal that may be involved in both processes.
Jan 19, 2010 |
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Researchers discover how a brain hormone controls insect metamorphosis
A team of University of Minnesota researchers have discovered how PTTH, a hormone produced by the brain, controls the metamorphosis of juvenile insects into adults.
Dec 03, 2009 |
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Gene exchange common among sex-manipulating bacteria
Certain bacteria have learned to manipulate the proportion of females and males in insect populations. Now Uppsala University researchers have mapped the entire genome of a bacterium that infects a close relative of the fruit ...
Mar 25, 2009 |
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Novel electric signals in plants
Using ion-selective micro-electrodes electrical signals in plants moving from leaf to leaf could be measured. The speed of the signals spreading as voltage changes over cell membranes ranged from 5 to 10 cm ...
Mar 09, 2009 |
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