Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR20139900_1.fastq.gz | Fastqsanger.gz | |||
| SRR20139900_2.fastq.gz | Fastqsanger.gz | |||
| SRR20139901_1.fastq.gz | Fastqsanger.gz | |||
| SRR20139901_2.fastq.gz | Fastqsanger.gz | |||
| SRR20139902_1.fastq.gz | Fastqsanger.gz |
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Project description:The protein modules known as SH2 (Src-homology-2) domains are key players in the signal transduction of animals. Two questions arise: Do such modules exist in plants, and when did SH2 domains evolve? Here I show that the Arabidopsis genome contains three strong candidates for plant SH2 proteins (referred to as PASTA1, 2 and 3 : GI:25513455, At1g78540, At1g17040 respectively) with homology to the SH2 domains and the adjacent linker region of STAT proteins (Signal Transducer and Activator of Transcription). The three characteristics features of a STAT protein sequence1, namely, (i) the SH2 domain with a conserved arginine residue crucial for binding to a phospho-tyrosine residue (ii) a tyrosine residue outside the C-terminus of the SH2-domain for phosphorylation during signalling and (iii) a DNA-binding domain, are conserved in the PASTA3 protein. However, PASTA 1 and 2 proteins lack a tyrosine in a similar position. PASTA proteins are not homologous to STAT proteins outside the SH2 and linker regions. The three PASTA proteins are 70 to 80 % identical to one another. Gene expression studies with PASTA2 reveal that it is expressed in roots, stem, leaves, flowers and green siliques. Preliminary indications are that plants homozygous for PASTA2 do not have any obvious phenotype, most likely due to redundancies. This microarray experiment is an attempt to compare the gene expression of a mutant plant homozygous for PASTA2 with that of the wild type plant. This might give clues about the possible function of PASTA2 in Arabidopsis.
2008-02-15 | E-NASC-68 | biostudies-arrayexpress
Project description:Plant-specific histone residue F41 restricts H3.1 distribution in heterochromatin
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Project description:The protein modules known as SH2 (Src-homology-2) domains are key players in the signal transduction of animals. Two questions arise: Do such modules exist in plants, and when did SH2 domains evolve? Here I show that the Arabidopsis genome contains three strong candidates for plant SH2 proteins (referred to as PASTA1, 2 and 3 : GI:25513455, At1g78540, At1g17040 respectively) with homology to the SH2 domains and the adjacent linker region of STAT proteins (Signal Transducer and Activator of Transcription). The three characteristics features of a STAT protein sequence1, namely, (i) the SH2 domain with a conserved arginine residue crucial for binding to a phospho-tyrosine residue (ii) a tyrosine residue outside the C-terminus of the SH2-domain for phosphorylation during signalling and (iii) a DNA-binding domain, are conserved in the PASTA3 protein. However, PASTA 1 and 2 proteins lack a tyrosine in a similar position. PASTA proteins are not homologous to STAT proteins outside the SH2 and linker regions. The three PASTA proteins are 70 to 80 % identical to one another. Gene expression studies with PASTA2 reveal that it is expressed in roots, stem, leaves, flowers and green siliques. Preliminary indications are that plants homozygous for PASTA2 do not have any obvious phenotype, most likely due to redundancies. This microarray experiment is an attempt to compare the gene expression of a mutant plant homozygous for PASTA2 with that of the wild type plant. This might give clues about the possible function of PASTA2 in Arabidopsis. Experimenter name = Latha Kadalayil; Experimenter phone = 023-8059 5512; Experimenter department = University of Southampton; Experimenter address = School of Biological Sciences; Experimenter address = Univ. Southampton; Experimenter address = Bassett Crescent East; Experimenter address = Southampton; Experimenter zip/postal_code = SO16 7PX; Experimenter country = UK Experiment Overall Design: 2 samples were used in this experiment
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Project description:Transcription profiiling of arabidopsis transgenic Rca-T78S comparing Control WT plant (Rca-T78). Rca is Rubisco activase and Threonine78 residue of Rca is phosphorylated only in the dark. However, Serine substituted Rca (T78S) was phosphorylated even in the light. Thus, Rca-T78 or Rca-T78S expressing plants which were exposed light for an hour were harvested to check gene expression pattern
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Project description:We report the application of single-molecule-based sequencing technology for high-throughput profiling of histone modifications in mammalian cells. The three histone marks acetylation of histone 3 at lysine residue 27 (H3K27ac), trimethylation of histone 3 at lysine residue 4 (H3K4me3) and trimethylation of histone 3 at lysine residue 36 (H3K36me3) were selected, representing marks for an open chromatin structure and enable gene transcription. The two histone marks standing for a condensed chromatin state and disabled gene transcription trimethylation of histone 3 at lysine residue 27 (H3K27me3) and trimethylation of histone 3 at lysine residue 9 (H3K9me3) were chosen. ChIP sequencing of the five histone marks was investigated in high-risk TERT-rearranged neuroblastoma GI-ME-N cells treated with solvent or HDAC inhibitor panobinostat. Exemplary samples include solvent-treated and panobinostat-treated samples after 18 h of treatment.
2022-08-04 | GSE155705 | GEO
Project description:The protein modules known as SH2 (Src-homology-2) domains are key players in the signal transduction of animals. Two questions arise: Do such modules exist in plants, and when did SH2 domains evolve? Here I show that the Arabidopsis genome contains three strong candidates for plant SH2 proteins (referred to as PASTA1, 2 and 3 : GI:25513455, At1g78540, At1g17040 respectively) with homology to the SH2 domains and the adjacent linker region of STAT proteins (Signal Transducer and Activator of Transcription). The three characteristics features of a STAT protein sequence1, namely, (i) the SH2 domain with a conserved arginine residue crucial for binding to a phospho-tyrosine residue (ii) a tyrosine residue outside the C-terminus of the SH2-domain for phosphorylation during signalling and (iii) a DNA-binding domain, are conserved in the PASTA3 protein. However, PASTA 1 and 2 proteins lack a tyrosine in a similar position. PASTA proteins are not homologous to STAT proteins outside the SH2 and linker regions. The three PASTA proteins are 70 to 80 % identical to one another. Gene expression studies with PASTA2 reveal that it is expressed in roots, stem, leaves, flowers and green siliques. Preliminary indications are that plants homozygous for PASTA2 do not have any obvious phenotype, most likely due to redundancies. This microarray experiment is an attempt to compare the gene expression of a mutant plant homozygous for PASTA2 with that of the wild type plant. This might give clues about the possible function of PASTA2 in Arabidopsis. Experimenter name = Latha Kadalayil Experimenter phone = 023-8059 5512 Experimenter department = University of Southampton Experimenter address = School of Biological Sciences Experimenter address = Univ. Southampton Experimenter address = Bassett Crescent East Experimenter address = Southampton Experimenter zip/postal_code = SO16 7PX Experimenter country = UK Keywords: genetic_modification_design
2007-01-08 | GSE5619 | GEO