News tagged with host plants
Instant evolution in whiteflies: Just add bacteria
In just six years, bacteria in the genus Rickettsia spread through a population of the sweet potato whitefly (Bemisia tabaci), an invasive pest of global importance. Infected insects lay more eggs, develo ...
Apr 07, 2011 |
4.7 / 5 (3) |
1
|
Direct transfer of plant genes from chloroplasts into the cell nucleus
Chloroplasts, the plant cell's green solar power generators, were once living beings in their own right. This changed about one billion years ago, when they were swallowed up but not digested by larger cells. ...
Apr 13, 2012 |
5 / 5 (5) |
0
|
New mathematical model explains how hosts survive parasite attacks
In nature, how do host species survive parasite attacks? This has not been well understood, until now. A new mathematical model shows that when a host and its parasite each have multiple traits governing their ...
Mar 04, 2012 |
4.3 / 5 (8) |
0
|
Fused genes tackle deadly Pierce's disease in grapevines
A gene fusion research project led by a University of California, Davis, plant scientist delivers a one-two punch to Pierce's disease, a deadly threat to California's world-renowned wine industry.
Feb 20, 2012 |
5 / 5 (3) |
0
|
Bacterial plasmids -- the freeloading and the heavy-lifters -- balance the high price of disease
Studying self-replicating genetic units, called plasmids, found in one of the world's widest-ranging pathogenic soil bacteria -- the crown-gall-disease-causing microorganism Agrobacterium tumefaciens -- Ind ...
Feb 01, 2012 |
not rated yet |
0
|
Medicago genome sequence sheds new light on how plants evolved nitrogen-fixing symbioses
The genome of Medicago, a close relative of alfalfa and a long-established model for the study of legume biology, has been sequenced by an international team of scientists, capturing around 94 per cent of its ...
Nov 16, 2011 |
5 / 5 (2) |
2
|
Butterfly legs 'taste' plants for egg laying: study
A species of butterfly uses its legs to taste plants to see which leaves offer its eggs the best chance of survival, Japanese scientists said Wednesday.
Nov 16, 2011 |
5 / 5 (1) |
2
Insect gut microbe with a molecular iron reservoir
Microbes are omnipresent on earth. They are found as free-living microorganisms as well as in communities with other higher organisms. Thanks to modern biological techniques we are now able to address the ...
Sep 01, 2011 |
not rated yet |
0
|
How ants tame the wilderness: Rainforest species use chemicals to identify which plants to prune
Survival in the depths of the tropical rainforest not only depends on a species' ability to defend itself, but can be reliant on the type of cooperation researchers discovered between ants and tropical trees. ...
May 12, 2011 |
5 / 5 (3) |
1
|
Evolutionary arms race between smut fungi and maize plants
Fungi are a major cause of plant diseases and are responsible for large-scale harvest failure in crops like maize and other cereals all over the world. Together with scientists from the Helmholtz Zentrum in ...
Dec 09, 2010 |
4 / 5 (1) |
1
|
Walk in the park yields biological treasure
A newly identified relationship between a fly and a weedy mustard-type plant promises to answer many long-standing questions surrounding the evolutionary arms race between plant-eating insects and their host ...
Nov 19, 2010 |
5 / 5 (5) |
0
|
Scientists reveal the sex wars of the truffle grounds
They are one of the most highly prized delicacies in the culinary world, but now scientists have discovered that black truffles are locked in a gender war for reproduction. The research, published in New Ph ...
Oct 25, 2010 |
4.6 / 5 (5) |
0
|
Acacias use ants to guard flowers
(PhysOrg.com) -- Research by Dr Nigel Raine, Senior Lecturer in Animal Behaviour at Royal Holloway, University of London has revealed how a special plant-ant relationship thrives on give and take for mutual ...
Jan 04, 2010 |
5 / 5 (10) |
0
|
Inconspicuous leaf beetles reveal environment's role in formation of new species
(PhysOrg.com) -- Unnoticed by the nearby residents of St. Johnsbury, Vermont, tiny leaf beetles that flit among the maple and willow trees in the area have just provided some of the clearest evidence yet that ...
Oct 30, 2009 |
4.4 / 5 (5) |
0
Plant communication: Sagebrush engage in self-recognition and warn of danger
"To thine own self be true" may take on a new meaning—not with people or animal behavior but with plant behavior.
Jun 19, 2009 |
4.6 / 5 (8) |
4
