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Self-incompatibility: Calcium signalling in Brassica

The involvement of Ca2+ signalling in Brassica self-incompatibility has been a contentious topic. New evidence suggests that stigmas use Ca2+ to signal to incompatible pollen to prevent pollen hydration and self-seed set. Moreover, this may involve a glutamate receptor.

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Figure 1: Advances in our knowledge of self-incompatibility response in the Brassicaceae.


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Correspondence to Noni Franklin-Tong.

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Franklin-Tong, N. Self-incompatibility: Calcium signalling in Brassica. Nature Plants 1, 15129 (2015).

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