News articles tagged with 'bacterial' (Page 30)
Bacteria organise to survive hostile zones
— 14 Nov 2007 12:33 | BiologyUsing an innovative device with microscopic chambers, researchers from four institutions, including Johns Hopkins, have gleaned important new information about how bacteria survive…
New designer toxins kill Bt-resistant insect pests
— 2 Nov 2007 06:50 | EnvironmentA new way to combat resistant pests stems from discovering how the widely used natural insecticide Bt kills insects. Figuring out how Bt toxins punch holes in the cells of an insect's…
Bacteria use plant defence for genetic modification
— 19 Oct 2007 17:58 | BiologyBacteria that cause tumours in plants modify plant genomes by skilfully exploiting the plants' first line of defence. Utilising the plant's own proteins, bacterial genes infiltrate…
Scientists reveal DNA-enzyme interaction with first ever real time footage
— 17 Sep 2007 15:23 | BiologyFor the first time scientists have been able to film, in real time, the nanoscale interaction of an enzyme and a DNA strand from an attacking virus. Researchers from the University…
Hidden interactions between predators and prey: evolution causes cryptic dynamics in ecology
— 4 Sep 2007 10:23 | BiologyWhen the populations of two species oscillate together (for example, predators and prey), it's a good bet that they are tightly coupled ecologically. A famous example is the Canadian…
Surprising new species of light-harvesting bacterium discovered in Yellowstone
— 27 Jul 2007 00:01 | BiologyIn the hot springs of Yellowstone National Park, a team of researchers has discovered a novel bacterium that transforms light into chemical energy. The discovery of the chlorophyll-producing…
Why some aphids can not stand the heat?
— 20 Apr 2007 00:10 | BiologyFor pea aphids, the ability to go forth and multiply can depend on a single gene, according to new research. An overheated aphid with a mutation in that gene can not reproduce. The…