Wildflower cells reveal mystery of leaf's structure

In plants, the cells that form the internal structure of leaves start out as tightly compacted spheres in the early stages of leaf development. As the leaf develops and expands, these cells take on new shapes and loosen up. ...

A new field of research: Crystal traces in fossil leaves

In fossil leaves, puzzling structures are often visible under the microscope. Researchers at the University of Bonn have now been able to show for the first time that they originate from calcium oxalate crystals. On the one ...

Microbes protect a leaf beetle—but for a price

Insects are known to rely on microbial protection during immobile developmental stages, such as eggs. But despite the susceptibility of pupae to antagonistic challenges, the role of microbes in ensuring defense during an ...

Signaling 'stressed-out' plants

A plant scientist from the University of Missouri has discovered a new way of measuring stress in plants, which comes at a time when plants are experiencing multiple stressors from heat, drought and flooding because of extreme ...

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