New Arabidopsis cue Mutants Suggest a Close Connection

New Arabidopsis cue Mutants Suggest a Close Connection between Plastid- and Phytochrome Regulation of Nuclear Gene Expression by Enrique López-Juez, R. Paul Jarvis, Atsuko Takeuchi, Anton M. Page, and Joanne Chory Plantphysiol Volume 118(3): 803 -815 November 1, 1998 © 1998 by American Society of Plant Biologists

Visible phenotypes of the cuemutants and the p. OCA 108 wild type. López-Juez E

Steady-state m. RNA levels for the. CAB and RBCS gene families are reduced incue mutant seedlings under white light (WL). López-Juez E et al. Plantphysiol 1998; 118: 803 -815 © 1998 by American Society of Plant Biologists

Cosegregation of the visible and the. CAB underexpression phenotypes of eachcue mutant. López-Juez E

Kinetics of CAB 3 promoter-driven GUS accumulation in cue mutant seedlings in the light.

Chlorophyll accumulation is reduced incue mutants grown in the light. López-Juez E et al.

Anthocyanin content of cue mutants does not correlate with CAB expression or chlorophyll reduction.

Induction by a single red-light (R) pulse or reversion by far-red (FR) light following red light of the accumulation of CAB m. RNA in etiolated cue mutant seedlings. López-Juez E et al. Plantphysiol 1998; 118: 803 -815 © 1998 by American Society of Plant Biologists

Induction by repeated red-light (R) pulses of the accumulation of CAB 3 -driven GUS activity incue mutant seedlings. López-Juez E et al. Plantphysiol 1998; 118: 803 -815 © 1998 by American Society of Plant Biologists

Light microscopy of leaf sections of the differentcue mutants. López-Juez E et al. Plantphysiol

Ultrastructure of plastids from each of thecue mutants at stages of intermediate greening and at different stages for cue 6. López-Juez E et al. Plantphysiol 1998; 118: 803 -815 © 1998 by American Society of Plant Biologists