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. 2021 Oct 28;12:720867. doi: 10.3389/fpls.2021.720867

TABLE 1.

Plant responses to oxidative stimuli that are relevant to RCS.

Stimulus/responsea Plant species Modulation of RCS References
Methodb RCS level changesc Physiological outcome
Drought stress/leaf damage Nicotiana tabacum OE of AKR Suppression of increase in MDA (as TBARS) Suppression of damage Oberschall et al., 2000
Cd stress, chilling stress/leaf damage N. tabacum OE of AKR Suppression of increase in MDA (as TBARS) Suppression of damage Hegedüs et al., 2004
Heat stress, MV/leaf damage N. tabacum OE of AKR Suppression of increase in MDA (as TBARS) Suppression of damage Turóczy et al., 2011
Heavy metal stress (Cu, Cd), H2O2 stress/damage Arabidopsis thaliana OE of ALDH Suppression of increase in MDA (as TBARS) Suppression of damage Sunkar et al., 2003
NaCl stress/damage A. thaliana KO of ALDH3 Enhanced increase in MDA (as TBARS) Enhancement of damage Kotchoni et al., 2006
Strong light/leaf damage N. tabacum OE of AER Suppression of increase in acrolein and (E)-2-hexenal Suppression of photoinhibition Mano et al., 2010
AlCl3stress/root damage N. tabacum OE of AER Suppression of increase in acrolein, (E)-2-hexenal, HNE and HHE Suppression of damage Yin et al., 2010
MV/leaf damage A. thaliana KO of AOR Enhanced increase in acrolein Enhancement of damage Yamauchi et al., 2012
Heat stress/leaf damage Cyclamen persicum KD of CpFAD7 Suppression of increases in acrolein, (E)-2-hexenal and MVK Suppression of leaf injury Kai et al., 2012
H2O2/PCD of cultured cells N. tabacum carnosine added Suppression of increases in acrolein and HNE Suppression of PCD initiation Biswas and Mano, 2015
Darkness/senescence of siliques A. thaliana KO of AAO4 Increases in acrolein and MDA Senescence facilitated Srivastava et al., 2017
ABA/stomata closure N. tabacum OE of AER Suppression of increases in acrolein, (E)-2-hexenal, HNE and HHE Inhibition of stomata closure Islam et al., 2016
MeJA/stomata closure N. tabacum OE of AER Suppression of increases in acrolein, HNE, HHE and (E)-2-heptenal Inhibition of stomata closure Islam et al., 2020
Auxin/LR formation A. thaliana carnosine added Suppression of increases in acrolein, crotonaldehyde and HNE Inhibition of LR formation Biswas et al., 2019

a ABA, abscisic acid; LR, lateral root; MeJA, methyl jasmonate; MV, methylviologen; PCD, programmed cell death.

b AAO4, Arabidopsis aldehyde oxidase 4; AER, 2-alkenal reductase; AKR, aldo-keto reductase; ALDH, aldehyde dehydrogenase; AOR, alkenal/one oxidoreductase; CpFAD, chloroplastic fatty acid desaturate; KD, knock-down; KO, knock-out; OE, overexpression.

c HHE, 4-hydroxy-(E)-2-hexenal; HNE, 4-hydroxy-(E)-2-hexenal; MDA, malondialdehyde; MVK, methylvinyl ketone, TBARS, thiobarbituric acid-reactive substances.