Journal Article 059QF0KO0R 4Y8F71G49Q 789U1901C5 ABC transporter Copper Detoxification Drought stress EC 4.1.1.39 EC 6.3.1.2 Glutamate-Ammonia Ligase Glutamine synthetase Glutathione transferase Isoenzymes J41CSQ7QDS Malondialdehyde Metal stress Metallothionein Metals, Heavy Poplar RNA, Messenger Reactive Nitrogen Species Reactive Oxygen Species Research Support, Non-U.S. Gov't Ribulose-Bisphosphate Carboxylase Rubisco Senescence Water Wheat Zinc