1.14.14.88 up gradual increase (1.8fold) of enzyme expression after low-temperature treatment (4 h 2°C) of plants adapted to 16°C, dramatic increase of expression in warm-treatment plants (16°C to 25°C or from 2°C to 25°C), maximum at h 4 during treatment, higher levels than at low-temperature induction, cold-induced mRNA accumulation is light dependent 693416