Tests underway for new HIV drug farmed from GM tobacco plants

A clinical trial of a potential Human Immunodeficiency Virus (HIV) drug farmed from genetically modified (GM) tobacco plants has at long last got underway in the United Kingdom. The beginning of the trial follows several ...

Mystery solved: How do tips of plants stay virus-free?

Plants are able to keep growing indefinitely because they have tissues made of meristems—plant stem cells—which have the unique ability to transform themselves into the various specialized cells that make up the plant, ...

Researchers discover potential new virus in switchgrass

University of Illinois researchers have confirmed the first report of a potential new virus belonging to the genus Marafivirus in switchgrass, a biomass crop being evaluated for commercial cellulosic ethanol production.

Virus genes help determine if pea aphids get their wings

Many of an organism's traits are influenced by cues from the organism's environment. These features are known as phenotypically plastic traits and are important in allowing an organism to cope with unpredictable environments.

Tropical species are moving northward as winters warm

Notwithstanding last month's cold snap in Texas and Louisiana, climate change is leading to warmer winter weather throughout the southern U.S., creating a golden opportunity for many tropical plants and animals to move north, ...

Nanoparticle 'smart bomb' targets drug delivery to cancer cells

Researchers at North Carolina State University have successfully modified a common plant virus to deliver drugs only to specific cells inside the human body, without affecting surrounding tissue. These tiny "smart bombs" ...

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