A genetically modified virus that can make hidden tumours light up may lead to a new and more effective way of screening for cancer. Some cancers are helpful enough to give off obvious clues to their existence. Prostate cancer, for example, can be detected as it raises the levels of a protein called PSA in
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A new genetically modified strain of banana resistant to a fungal disease may help boost profit yields for some of the poorest farmers in East Africa. For the past 30 years, the humble banana has been under attack from a fungal invader known as Black sigatoga disease. Caused by the fungus Mycosphaerella fijiensis, it causes
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A new type of vaccine for pneumonia based on genetically engineered bacteria has been developed, and may help in the fight against many other infectious diseases. The vaccine, which protects against a virulent form of the bacterium Streptococcus pnuemoniae, works by introducing a modified form of the bacterium that produces less pneumolysin – a toxic
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