Li, E., Berruto, C., Oz, T. M., Grillo, E., Griffin, C., Wang, Y., Muchenje, K. T., Jones, J. W., Demirer, G. S. (2026). Sentinel plants enable quantitative monitoring of bioavailable nitrate in soils and microbial environments. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2609666123