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 ...

Technology / Engineering

created Nov 16, 2011 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast

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.

Biology / Evolution

created May 11, 2009 | popularity 5 / 5 (8) | comments 2

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 ...

Biology / Plants & Animals

created Feb 23, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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 ...

Biology / Biotechnology

created Feb 14, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast report

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.

Biology / Plants & Animals

created Nov 16, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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, ...

Biology / Plants & Animals

created Nov 08, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Nov 01, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Oct 30, 2011 | popularity 4.7 / 5 (3) | comments 3 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Oct 20, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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.

Biology / Plants & Animals

created Jun 11, 2010 | popularity 4.8 / 5 (9) | comments 4 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Apr 08, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast report

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.

Medicine & Health / Cancer

created Jan 19, 2010 | popularity 4 / 5 (1) | comments 0 | with audio podcast

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.

Biology / Cell & Microbiology

created Dec 03, 2009 | popularity 5 / 5 (2) | comments 0

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 ...

Biology / Cell & Microbiology

created Mar 25, 2009 | popularity 5 / 5 (1) | comments 0

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 ...

Chemistry / Biochemistry

created Mar 09, 2009 | popularity 4 / 5 (1) | comments 1