The impacts of the prokaryotic ancestry of chloroplasts extend to the occurrence of a bacterial ‘alarm’ hormone, or alarmone, in plants, which is triggered by nutrient deficiency or stress. A new study shows that chloroplast development itself is reduced by alarmone, with seemingly paradoxical consequences for plant growth.
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López-Juez, E. Chloroplast biology: Cost–benefit analysis. Nature Plants 1, 15191 (2015). https://doi.org/10.1038/nplants.2015.191
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DOI: https://doi.org/10.1038/nplants.2015.191
