Differential expression of two P5 CS genes controlling proline accumulation during salt-stress requires ABA and is regulated by ABA1, ABI1 and AXR2 in Arabidopsis. - Strizhov,N..; Abraham,I..; Okrisz,L..; Blicking,S..; Silberstein,A..; Schell,J..; Koncz,C..; Szabados,L.. (Plant J., 1997)