Table 1.

Stress-related phenotypes of Arabidopsis mutants with low ascorbic acid or glutathione concentrations

	vtc1	vtc2-1	vtc2 vtc5	rax1	cad2	pad2	rml1	References
Ascorbic acid	≈30	≈20–30	≈0	ND	WT	ND	ND	Conklin et al., 2000
content compared								Veljovic-Jovanovic et al., 2001
with WT (%)								Pavet et al., 2005
								Dowdle et al., 2007
								Colville and Smirnoff, 2008
Glutathione	WT	WT	ND	≈38	≈30	≈22	≈3	Pavet et al., 2005
content								Vernoux et al., 2000
compared								Parisy et al., 2007
with WT (%)								Colville and Smirnoff, 2008
Ozone	Sensitive	Sensitive	ND	ND	WT	WT	ND	Conklin et al., 2000; this study
Virulent	Resistant	Resistant	ND	Sensitive	Sensitive	Sensitive	ND	Ball et al., 2004
bacteria								Pavet et al., 2005
								Parisy et al., 2007
PR-1 gene	Increased	Increased	ND	Decreased	Decreased	ND	ND	Pastori et al., 2003
expression								Ball et al., 2004
								Pavet et al., 2005
								Colville and Smirnoff, 2008
Miscellaneous			Growth arrest				Defective root	Vernoux et al., 2000
			after germination				growth	Dowdle et al., 2007

ND, not determined; WT, wild-type phenotype.