SULFUR FERTILIZER COLUMNS
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB31225 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR3152320.fastq.gz | Fastqsanger.gz | |||
| ERR3152330.fastq.gz | Fastqsanger.gz | |||
| ERR3152340.fastq.gz | Fastqsanger.gz | |||
| ERR3152321.fastq.gz | Fastqsanger.gz | |||
| ERR3152331.fastq.gz | Fastqsanger.gz |
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Project description:Sulfur-deficiency-induced repressor proteins optimize glucosinolate biosynthesis in plants Glucosinolates (GSLs) in the plant order of the Brassicales are sulfur-rich secondary metabolites harboring anti-pathogenic and anti-herbivory plant-protective functions as well as possessing medicinal properties such as carcinopreventive and antibiotic activities. Plants repress GSL biosynthesis upon sulfur deficiency (–S), hence, field performance and medicinal quality are impaired by inadequate sulfate supply. The molecular mechanism linking –S to GSL biosynthesis has remained understudied. We report here the identification of the –S marker genes Sulfur deficiency induced1 and Sulfur deficiency induced2 (SDI1, SDI2) acting as major repressors controlling GSL biosynthesis in Arabidopsis under –S condition. SDI1 and SDI2 expression negatively correlated with GSL biosynthesis in both transcript and metabolite levels. Principal component analysis of transcriptome data indicated that SDI1 regulates aliphatic GSL biosynthesis as part of –S-response. SDI1 was localized to the nucleus and interacted with MYB28, a major transcription factor promoting aliphatic GSL biosynthesis, in both yeast and plant cells. SDI1 inhibited transcription of aliphatic GSL biosynthetic genes through maintaining the DNA-binding composition in a form of a SDI1-MYB28 complex, leading to down-regulate GSL biosynthesis and prioritize sulfate usage for primary metabolites under sulfur-deprived conditions.
2016-10-07 | GSE81347 | GEO
Project description:Responses of photosynthetic organisms to sulfur starvation include (i) increasing the capacity of the cell for transporting and/or assimilating exogenous sulfate, (ii) restructuring cellular features to conserve sulfur resources, and (iii) modulating metabolic processes and rates of cell growth and division. We used microarray analyses to obtain a genome-level view of changes in mRNA abundances in the green alga Chlamydomonas reinhardtii during sulfur starvation. The work confirms and extends upon previous findings showing that sulfur deprivation elicits changes in levels of transcripts for proteins that help scavenge sulfate and economize on the use of sulfur resources. Changes in levels of transcripts encoding members of the light-harvesting polypeptide family, such as LhcSR2, suggest restructuring of the photosynthetic apparatus during sulfur deprivation. There are also significant changes in levels of transcripts encoding enzymes involved in metabolic processes (e.g., carbon metabolism), intracellular proteolysis, and the amelioration of oxidative damage; a marked and sustained increase in mRNAs for a putative vanadium chloroperoxidase and a peroxiredoxin may help prolong survival of C. reinhardtii during sulfur deprivation. Furthermore, many of the sulfur stress-regulated transcripts (encoding polypeptides associated with sulfate uptake and assimilation, oxidative stress, and photosynthetic function) are not properly regulated in the sac1 mutant of C. reinhardtii, a strain that dies much more rapidly than parental cells during sulfur deprivation. Interestingly, sulfur stress elicits dramatic changes in levels of transcripts encoding putative chloroplast-localized chaperones in the sac1 mutant but not in the parental strain. These results suggest various strategies used by photosynthetic organisms during acclimation to nutrient-limited growth. An all pairs experiment design type is where all labeled extracts are compared to every other labeled extract. Keywords: all_pairs
2005-07-28 | GSE3015 | GEO
Project description:Columns containing Hanford 100H aquifer sediment continuously infused with 5 mM lactate, 5 uM Cr(VI), and either 7.5 mM sulfate or 12 mM nitrate as an electron acceptor.
2014-04-08 | GSE56554 | GEO
Project description:Responses of photosynthetic organisms to sulfur starvation include (i) increasing the capacity of the cell for transporting and/or assimilating exogenous sulfate, (ii) restructuring cellular features to conserve sulfur resources, and (iii) modulating metabolic processes and rates of cell growth and division. We used microarray analyses to obtain a genome-level view of changes in mRNA abundances in the green alga Chlamydomonas reinhardtii during sulfur starvation. The work confirms and extends upon previous findings showing that sulfur deprivation elicits changes in levels of transcripts for proteins that help scavenge sulfate and economize on the use of sulfur resources. Changes in levels of transcripts encoding members of the light-harvesting polypeptide family, such as LhcSR2, suggest restructuring of the photosynthetic apparatus during sulfur deprivation. There are also significant changes in levels of transcripts encoding enzymes involved in metabolic processes (e.g., carbon metabolism), intracellular proteolysis, and the amelioration of oxidative damage; a marked and sustained increase in mRNAs for a putative vanadium chloroperoxidase and a peroxiredoxin may help prolong survival of C. reinhardtii during sulfur deprivation. Furthermore, many of the sulfur stress-regulated transcripts (encoding polypeptides associated with sulfate uptake and assimilation, oxidative stress, and photosynthetic function) are not properly regulated in the sac1 mutant of C. reinhardtii, a strain that dies much more rapidly than parental cells during sulfur deprivation. Interestingly, sulfur stress elicits dramatic changes in levels of transcripts encoding putative chloroplast-localized chaperones in the sac1 mutant but not in the parental strain. These results suggest various strategies used by photosynthetic organisms during acclimation to nutrient-limited growth. An all pairs experiment design type is where all labeled extracts are compared to every other labeled extract. Computed
2005-07-28 | E-GEOD-3015 | biostudies-arrayexpress
Project description:A comparison between high and low sulfur source supplies, i.e., sulfate, methionine or cystine, was carried out in order to identify key steps in the biosynthetic and catabolic pathways of the sulfur amino acids. Two conditions experiment, high versus low sulfur conditions (sulfate, cystine or methionine with a ratio of 1 to 1000). Three biological experiments with a dye swap for each for cystine and sulfate. Two biological experiments with a dye swap for each for methionine.
2012-12-01 | E-GEOD-39834 | biostudies-arrayexpress
Project description:A comparison between high and low sulfur source supplies, i.e., sulfate, methionine or cystine, was carried out in order to identify key steps in the biosynthetic and catabolic pathways of the sulfur amino acids. the transcriptomic study was carried out using Agilent 8X15k slides with a custom oligoset designed by V. Loux using the Kluyveromyces lactisORFeome extracted from genolevures database Two conditions experiment, high versus low sulfur conditions (sulfate, cystine or methionine with a ratio of 1 to 1000). Three biological experiments with a dye swap for each for methionine, cystine and sulfate.
2011-09-30 | E-GEOD-26013 | biostudies-arrayexpress
Project description:Responses of photosynthetic organisms to sulfur starvation include (i) increasing the capacity of the cell for transporting and/or assimilating exogenous sulfate, (ii) restructuring cellular features to conserve sulfur resources, and (iii) modulating metabolic processes and rates of cell growth and division. We used microarray analyses to obtain a genome-level view of changes in mRNA abundances in the green alga Chlamydomonas reinhardtii during sulfur starvation. The work confirms and extends upon previous findings showing that sulfur deprivation elicits changes in levels of transcripts for proteins that help scavenge sulfate and economize on the use of sulfur resources. Changes in levels of transcripts encoding members of the light-harvesting polypeptide family, such as LhcSR2, suggest restructuring of the photosynthetic apparatus during sulfur deprivation. There are also significant changes in levels of transcripts encoding enzymes involved in metabolic processes (e.g., carbon metabolism), intracellular proteolysis, and the amelioration of oxidative damage; a marked and sustained increase in mRNAs for a putative vanadium chloroperoxidase and a peroxiredoxin may help prolong survival of C. reinhardtii during sulfur deprivation. Furthermore, many of the sulfur stress-regulated transcripts (encoding polypeptides associated with sulfate uptake and assimilation, oxidative stress, and photosynthetic function) are not properly regulated in the sac1 mutant of C. reinhardtii, a strain that dies much more rapidly than parental cells during sulfur deprivation. Interestingly, sulfur stress elicits dramatic changes in levels of transcripts encoding putative chloroplast-localized chaperones in the sac1 mutant but not in the parental strain. These results suggest various strategies used by photosynthetic organisms during acclimation to nutrient-limited growth.
2005-07-22 | E-SMDB-2992 | biostudies-arrayexpress
Project description:A comparison between high and low sulfur source supplies, i.e., sulfate, methionine or cystine, was carried out in order to identify key steps in the biosynthetic and catabolic pathways of the sulfur amino acids.
2012-12-01 | GSE39834 | GEO
Project description:In this study, we combined metabolic reconstruction, growth assays, metabolome and transcriptome analyses to obtain a global view of the sulfur metabolic network and of the response to sulfur availability in Brevibacterium aurantiacum. In agreement with the growth of B. aurantiacum in the presence of sulfate and cystine, the metabolic reconstruction showed the presence of a sulfate assimilation pathway and of thiolation pathways that produce cysteine (cysE and cysK) or homocysteine (metX and metY) from sulfide, of at least one gene of the transsulfuration pathway (aecD) and of genes encoding three MetE-type methionine synthases. We also compared the expression profiles of B. aurantiacum ATCC9175 during sulfur starvation and in the presence of sulfate, cystine or methionine plus cystine. In sulfur starvation, 690 genes including 21 genes involved in sulfur metabolism and 29 genes encoding amino acids and peptide transporters were differentially expressed. We also investigated changes in pools of sulfur-containing metabolites and in expression profiles after growth in the presence of sulfate, cystine or methionine plus cystine. The expression of genes involved in sulfate assimilation and cysteine synthesis was repressed in presence of cysteine, while the expression of metX, metY, metE1, metE2 and BL613 encoding a probable cystathionine-γ-synthase decreased in the presence of methionine. We identified three ABC transporters: two stronger transcribed during cysteine limitation and one during methionine depletion. Finally, the expression of genes encoding a methionine γ-lyase, BL929, and a methionine transporter (metPS) was induced in the presence of methionine, in conjunction with a significant increase of volatile sulfur compounds production. Refer to individual Series. This SuperSeries is composed of the following subset Series: GSE25418: BA-Methionine plus Cystine vs Cystine GSE25419: BA-Sulfate vs Cystine GSE25420: BA-Methionine plus Cystine vs Sulfate GSE25421: BA-Sulfate vs Sulfate starvation
2010-11-25 | E-GEOD-25422 | biostudies-arrayexpress