Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcript profiling in LTR mutants

ABSTRACT: STN7-dependent phosphorylation of an as yet unknown thylakoid protein triggers the signaling events associated with the long-term acclimatory response (LTR). The LTR-associated signaling events regulate the expression of photosynthesis-related genes on the post-transcriptional level (nucleus), as indicated by transcript profiling in LTR mutants. 5 µg of total RNA of two to three biological replicates of the different pools (10 plants each pool) of rosette leaves of 4-week-old Col-0, Wassilewskija, stn7-1, psad1-1, stn7-1 psad1-1, psae1-3 and stn7-1 psae1-3 plants was processed and hybridized to a GeneChip Arabidopsis ATH1 Genome Array using the One-Cycle Target Labeling and Control Reagents according to the manufacturer’s instructions (Affymetrix); psad1 (2 replicates) psad1 stn7 (3 replicates) Col-0 (3 replicates) Ws (2 replicates) psae (2 replicates) psae stn7 (2 replicates) stn7 (3 replicates)

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Michael Scharfenberg 

PROVIDER: E-GEOD-15939 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Flowering plants control energy allocation to their photosystems in response to light quality changes. This includes the phosphorylation and migration of light-harvesting complex II (LHCII) proteins (state transitions or short-term response) as well as long-term alterations in thylakoid composition (long-term response or LTR). Both responses require the thylakoid protein kinase STN7. Here, we show that the signaling pathways triggering state transitions and LTR diverge at, or immediately downstr  ...[more]

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