News tagged with host insects
Mosquito parasite may help fight dengue fever
May 01, 2009 |
3 / 5 (2) |
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Dengue fever is a terrible viral disease blighting many of the world's tropical regions. Carried by mosquitoes, such as Aedes aegypti, 40% of the world's population is believed to be at risk from the infect ...
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Insects use plant like a telephone
Biology /
Apr 23, 2008 |
3.9 / 5 (7) |
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Dutch ecologist Roxina Soler and her colleagues have discovered that subterranean and aboveground herbivorous insects can communicate with each other by using plants as telephones. Subterranean insects issue chemical warning ...
Darwin told us so: Researcher shows natural selection speeds up speciation
Biology /
Apr 02, 2008 |
4.6 / 5 (23) |
1
In the first experiment of its kind conducted in nature, a University of British Columbia evolutionary biologist has come up with strong evidence for one of Charles Darwin’s cornerstone ideas – adaptation to the environment ...
Insecticidal toxin useless without 'friendly' bacteria accomplices
Mar 04, 2009 |
5 / 5 (1) |
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The toxin produced by the bacterium Bacillus thuringiensis (Bt) is a popular insecticide used to control pest moths and butterflies, and in some GM pest-proof crops. In a study published in the open access journal BMC Bi ...
Gene exchange common among sex-manipulating bacteria
Mar 25, 2009 |
5 / 5 (1) |
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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 ...
ARS Survey Helps Growers Track Two Key Cotton Pests
Dec 01, 2009 |
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(PhysOrg.com) -- Cotton growers will be better able to keep an eye out for two common pests because of a comprehensive survey by Agricultural Research Service (ARS) scientists at College Station, Texas.
Scientists discover rare 'gene-for-gene' interaction that helps bacteria kill their host
Biology /
May 03, 2007 |
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Scientists have discovered that a cousin of the plague bacterium uses a single gene to out-fox insect immune defences and kill its host.
Ice Cold: Cooler Than Being Cool
Nov 24, 2009 |
4.2 / 5 (10) |
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(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...
New study reveals hidden neotropical diversity
Biology /
May 15, 2008 |
4 / 5 (5) |
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Evidence of physically similar species hidden within plant tissues suggest that diversity of neotropical herbivorous insects may not simply be a function of plant architecture, but may also reflect the great age and area ...
Picky-eater Flies Losing Smell Genes
Biology /
Apr 02, 2007 |
3.5 / 5 (2) |
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A UC Davis researcher is hot on the scent of some lost fruit fly genes. According to population biology graduate student Carolyn McBride, the specialist fruit fly Drosophila sechellia is losing genes for smell and taste receptors ...
Tiny UK parasitoid wasp discovered
Oct 20, 2009 |
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(PhysOrg.com) -- A new species of parasitoid wasp that feeds on a common whitefly pest has been discovered in the UK by a Natural History Museum scientist.
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