News tagged with pea
First case of animals making their own carotene
The insects known as aphids can make their own essential nutrients called carotenoids, according to University of Arizona researchers.
Apr 29, 2010 |
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Galaxy Zoo Hunters Help Astronomers Discover Rare 'Green Pea' Galaxies
A team of astronomers has discovered a group of rare galaxies called the "Green Peas" with the help of citizen scientists working through an online project called Galaxy Zoo. The finding could lend unique ...
Jul 27, 2009 |
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Color-changing bacterium inside the pea aphid
A bacterium that can live symbiotically inside the pea aphid, Acyrthosiphon pisum, is able to change the insect’s body color from red to green, a RIKEN-led team of molecular entomologists has found. Becaus ...
Jan 07, 2011 |
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Aphid's genome generates exciting questions
The genome of the pea aphid (Acyrthosiphon pisum), sequenced by the International Aphid Genomics Consortium, is published this week in the online open-access journal PLoS Biology. Scientists from more tha ...
Feb 23, 2010 |
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Aphids saved from gruesome death by virus-infected bacteria
The term "beneficial virus" sounds like an oxymoron. But for pea aphids under attack by parasitic wasps, carrying infected bacteria is the difference between life and a slow death, according to new research. ...
Aug 20, 2009 |
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Cunning super-parasitic wasps sniff out protected aphids and overwhelm their defenses
In the war between parasite and host, the parasitic wasp, Aphidius ervi, and the pea aphid, Acyrthosiphon pisum, are locked in a battle for survival. New research published in BioMed Central's open access j ...
Feb 23, 2012 |
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Astronomy without a telescope - Green peas
The ground-breaking discovery of a new class of galaxies, Green Peas, in 2009 by a group of Galaxy Zoo volunteers – have recently been followed up by further observations in the radio spectrum. ...
Oct 25, 2011 |
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Study of flower color shows evolution in action
Scientists at UC Santa Barbara have zeroed in on the genes responsible for changing flower color, an area of research that began with Gregor Mendel's studies of the garden pea in the 1850's.
Jun 29, 2009 |
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Spanish farmers struggle with lack of rain
When Manuel Montesa takes sheep out to forage in mountains in northern Spain, he must bring water for them because streams near his town have run dry.
Mar 11, 2012 |
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Using a pest's chemical signals to control it
Agricultural Research Service (ARS) scientists are tapping into the biochemistry of one of the world's most damaging insect pests to develop a biocontrol agent that may keep the pest away from gardens and ...
May 17, 2010 |
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Engineered pea seeds protect against parasites
A breed of pea seeds has been created that contains antibodies against coccidiosis, a disease caused by a parasite that attacks chickens. Researchers writing in the open access journal BMC Biotechnology describe the develo ...
Sep 11, 2009 |
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In Brief: A symbiotic, color-changing relationship
For the tiny pea aphid, body color is a matter of life and death: Red and green color morphs determine their susceptibility to various predators and parasites in the wild.
Nov 21, 2010 |
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Proteins from garden pea may help fight high blood pressure, kidney disease
Researchers in Canada are reporting that proteins found in a common garden pea show promise as a natural food additive or new dietary supplement for fighting high blood pressure and chronic kidney disease ...
Medicine & Health / Medical research
Mar 22, 2009 |
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Gene developed through conventional breeding to improve cowpea aphid resistance
The cowpea or black-eyed pea, as it is more commonly known, is a New Year's tradition for good luck. But disease and particularly aphids, which can wreck a crop within a few a days, are especially bad luck for the cowpea, ...
Jul 29, 2009 |
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Aphids borrowed bacterial genes to play host
Most aphids host mutualistic bacteria, Buchnera aphidicola, which live inside specialized cells called bacteriocytes. Buchnera are vital to the aphids well being as they provide essential amino acids that are scarce in its ...
Mar 09, 2009 |
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