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Plants breathe through their stomata – so how do they manage to keep pathogens out?

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Photograph by Ron Oldfield, Macquarie University, See http://dx.doi.org/10.1093/aob/mcs295 The image shows sporophytes and calyptras of Funaria hygrometrica, a water moss (photograph by Ron Oldfield, Macquarie University). The calyptra is a gametophytic tissue that covers the tip of the elongating sporophyte. A young sporophyte with an intact calyptra appears in the lower left corner, whilst other [...]

Genetic model organisms have revolutionized science, and with rapid advances in technology there is significant potential to launch more plant species towards model status. However, these new model organisms have to be carefully selected.

A paper in AoB PLANTS describes new methods for real-time monitoring of trace gases such as ethylene, nitric oxide and ethanol which play an important role in many areas of biology.