Human gut bacteria have sex to share vitamin B12

Your gut bacteria need vitamin B12 just as much as you do. Though DNA is usually passed from parent to child, new research shows gut bacteria transfer genes through "sex" in order to take their vitamins.

Irish potato famine pathogen stoked outbreaks on six continents

North Carolina State University researchers continue to track the evolution of different strains of the plant pathogen that caused the Irish potato famine in the 1840s, which set down roots in the United States before attacking ...

Plant genetic engineering to fight hidden hunger

More than 2 billion people worldwide suffer from micronutrient malnutrition due to deficiencies in minerals and vitamins. Poor people in developing countries are most affected, because their diets are typically dominated ...

Genome study reveals history of European potato

A team of researchers from Germany, Peru, the U.K. and Spain has sequenced a large number of potato varieties to learn more about the history of the modern European potato. In their paper published in the journal Nature Ecology ...

Researchers discover genes that give vegetables their shape

From elongated oblongs to near-perfect spheres, vegetables come in almost every size and shape. But what differentiates a fingerling potato from a russet or a Roma tomato from a beefsteak? Researchers at the University of ...

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