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Della-regulation in darkness versus light-DELLAs contribute to skotomorphogenesis

ABSTRACT: rs09-09_della-dark - della-regulation in darkness versus light - Identification of DELLA-dependent downstream targets in darkness - Aim was to determine downstream target of DELLA proteins involved in skotomorphogenesis. Wt, ga1-3, ga1-3_rga_gai_rgl1_rgl2_rgl3 global seeds were sterilized, sown on MS agar plates then put for stratification for 3 days at 4Â°C. Plates were placed in growth cabinet at 22Â°C for 5 days in darkness or in continous light. Keywords: gene knock out 9 dye-swap - CATMA arrays

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Sandra Pelletier

PROVIDER: E-GEOD-22681 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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DELLAs regulate chlorophyll and carotenoid biosynthesis to prevent photooxidative damage during seedling deetiolation in Arabidopsis.

Cheminant Soizic S Wild Michael M Bouvier Florence F Pelletier Sandra S Renou Jean-Pierre JP Erhardt Mathieu M Hayes Scott S Terry Matthew J MJ Genschik Pascal P Achard Patrick P

The Plant cell 20110513 5

In plants, light represents an important environmental signal that triggers the production of photosynthetically active chloroplasts. This developmental switch is critical for plant survival because chlorophyll precursors that accumulate in darkness can be extremely destructive when illuminated. Thus, plants have evolved mechanisms to adaptively control plastid development during the transition into light. Here, we report that the gibberellin (GA)-regulated DELLA proteins play a crucial role in ...[more]

PMID: 21571951

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