The balance between microbial arsenic methylation and demethylation in paddy soils underpins global arsenic risk and straighthead disease in rice - Jun Dai; Chuan Chen; Zhi-Qiang Zhai; A-Xiang Gao; David R. Johnson; Peter M. Kopittke; Fang-Jie Zhao; Peng Wang (Proceedings of the National Academy of Sciences, 2025)