Project description:We found that thylakoid-anchored protein PBF8 is a key regulator for Photosystem I (PSI) biogenesis. To explore the role of PBF8 in regulating chloroplast gene expression, we performed the RNA-seq to compare the the transcript levels of chloroplast-encoded genes between wild type (Col-0) and pbf8 mutants. To this end, we isolated the total RNA form 12-day-old wild type and pbf8 seedlings grown on the MS medium under long-day conditions (14 h light, 10 h dark) at 22 ºC and with a light intensity of 80 µmol m-2 s-1. The rRNAs were deleted using the Ribo-Zero Kit (Epicentre). The resulting rRNA-depleted RNA was used for preparing the sequencing library with NEBNext Single Cell/Low input library Prep Kit. The libraries were pooled and sequenced on an Illumina Nova 6000 system with 150-bp pair-end reads. Finally, our results show that the transcript accumulation for chloroplast-encoded PSI subunit and assembly factor genes between the wild type (Col-0) and pbf8 samples, suggesting PBF8 may not affect the transcript levels of chloroplast-encoded PSI subunits and assembly factors in chloroplasts.
Project description:Chloroplast biogenesis is indispensable for proper plant development. In a screen for photosynthesis affected mutants, we have identified the pp7l (serine/threonine-protein phosphatase7-like) mutant in which chloroplast development is delayed in cotyledons and young leaves. PP7L constitutes together with PP7 and PP7-long the type 7 subfamily of serine/threonine-specific phosphoprotein phosphatases (PPPs). Here we performed shotgun proteomic experiment in order to profile the changes in protein levels in the pp7l mutants in comparison to the wild-type (Col-0).
Project description:rs12-03_complex-i - complex i - Can we identify differences between mutants affecte din different subunits of complex I - direct comparison between col-0 (wild type) and 4 mutants, each mutants having different levels of residual complex I. Three biological replicates were processed
Project description:The aim of this study was to perform a transcriptional characterization of the Arabidopsis eds4 mutant. To this end two separate experiments were performed: Experiment 1: comparison of the transcriptional profile (RNA-seq) of eds4 Arabidopsis mutants in contrast to wild type Col-0 accession grown under continuous light conditions. Experiment 2: Analysis of the distribution of transcripts (RNA-seq) between nucleus and cytoplasm in the eds4 Arabidopsis mutants in comparison to wild type Col-0 plants grown under continuous light conditions.
Project description:This data analyzes gene expression patterns in Arabidopsis whitening mutants, wn1, with defects in chloroplast development. We found that wn1 was a T-DNA insertion line of Arabidopsis AtPTAC10/PAP3 (At3g48500) and exhibited a lethal, albino-like phenotype in the seedling stages. pTAC10 was known as a component of RNA polymerase complex called plastid-encoded RNA polymerase, PEP, in mature chloroplasts. Because wn1 mutants were lethal, we extracted RNA from cotyledons of 7-day-old seedlings from wn1 mutants and Col-0. RNA seq analysis was commissioned by NICEM in Seoul National University, Korea and transcriptome resequencing was confirmed in Macrogen, Korea. Through analysis, we compared gene expression patterns of wn1 mutant and Col-0 seedlings.
Project description:Comparison of gene expression between wild type Arabidopsis ecotype Col-0 plants and transgenic Arabidopsis ecotype col-0 plants expressing AtMYB23SRDX. Keywords: other
Project description:rs12-03_complex-i - complex i - Can we identify differences between mutants affecte din different subunits of complex I - direct comparison between col-0 (wild type) and 4 mutants, each mutants having different levels of residual complex I. Three biological replicates were processed 12 dye-swap - gene knock out The levels of residual complex I for the 4 mutants are as follows: mwfe (5%), 18K (traces), ca2 (10%), and 51K (0%).
Project description:Arabidopsis thaliana Col-0 plants were compared to sir1-1 T-DNA insertion mutants to investigate transcript levels of sulfur metabolism related genes under standard conditions.
Project description:The goal of this study is to identify transcriptome changes by the RPGE overexpression or glk1/glk2 double mutant under white light. We compared the transcriptome of RPGE2-OX (35Spro::GFP-RPGE2) with wild type (Col-0) and glk12 (glk1/glk2 double mutant) with wild type in continuous white light to investigate the expression changes of genes which are related with chloroplast development and the relationship between RPGE and GLK in the chloroplast development process.
