Analysis reveals distinct molecular mechanisms for ca signaling waves during heat stress and pathogen attacks in plants, suggesting specific responses to stimuli.
Waves of Ca 2+ signals rapidly propagate throughout a plant to help integrate responses to stimuli as diverse as wounding, heat stress, and pathogen attack. In this issue of Science Signaling , Zhang et al . show that bacterial elicitors and physical injury likely use different molecular mechanisms to produce distinct patterns of Ca 2+ waves, shedding light on how such a universal signal leads to stimulus-specific responses.
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Gilroy et al. (2025) studied this question.
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