Table II.

Mutant lines analyzed for regulation of APR by salt stress

Mutant Allele	Functional Category	Gene	Parental Ecotype	Ref.
aba1	ABA deficient	Zeaxanthin epoxidase	Ler	Koornneef et al. (1982)
aba2	ABA deficient	Short-chain dehydrogenase/reductase	Col-0	Leon-Kloosterziel et al. (1996)
abi1	ABA insensitive	Protein phosphatase 2C	Ler	Koornneef et al. (1984)
abi2	ABA insensitive	Protein phosphatase 2C	Ler	Koornneef et al. (1984)
npr1-2	Blocked salicylate signaling	Transcription activator	Col-0	Cao et al. (1994)
NahG	Salicylate deficient	Overexpressing bacterial salicylate hydroxylase	Col-0	Lawton et al. (1995)
etr1-3	Ethylene insensitive	Ethylene receptor	Col-0	Bleecker et al. (1988)
ein2-1	Ethylene insensitive	NRAMP metal transporter family	Col-0	Guzmán and Ecker (1990)
jar1-1	Jasmonate resistant	Jasmonate:amino acid synthetase	Col-0	Staswick et al. (1992)
CKX	Cytokinin deficient	Overexpressing cytokinin oxidase	Col-0	Werner et al. (2003)
ahk4	Cytokinin insensitive	Cytokinin receptor AHK4	Col-0	Inoue et al. (2001)
axr1-3	Auxin resistant	Ubiquitin-like activating enzyme	Col-0	Estelle and Somerville (1987)
tir1-1	Inhibition of auxin transport	Auxin receptor	Col-0	Ruegger et al. (1998)
gai	GA insensitive	DELLA protein	Ler	Koornneef et al. (1985)