GABA plays a crucial role in plant tissue-specific adaptation to Cd2+ toxicity through metabolomic analysis in cotton. - Huang, Hui; Jiang, Jie; Chen, Xiugui; Wang, Shuai; Li, Fei; Han, Mingge; Fan, Yapeng; Zhang, Xingping; Xiao, Caisheng; Lu, Xuke; Wang, Delong; Wang, Junjuan; et al. (Environmental Sciences Europe, 2025)