Ontology highlight
ABSTRACT:
PROVIDER: PRJNA533093 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8910750_1.fastq.gz | Fastqsanger.gz | |||
| SRR8910750_2.fastq.gz | Fastqsanger.gz | |||
| SRR8910760_1.fastq.gz | Fastqsanger.gz | |||
| SRR8910760_2.fastq.gz | Fastqsanger.gz | |||
| SRR8910770_1.fastq.gz | Fastqsanger.gz |
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Project description:To explore the molecular mechanism of low-K tolerance in sugarcane, we have employed whole genome microarray expression profiling to identify sugarcane genes in response to low-K stress. seeldings were transplanted to low-K hydroponic (containing 0.1 mmol.L-1 K+) and the roots were collected at 0 (CK), 8, 24 and 72 h after exposure to low-K condition. The expressions of genes in sugarcane roots were detected by microarray analysis. Totally 1545 genes at 8 h, 1053 genes at 24 h and 3155 at 72 h differentially expressed under low-K stress, when the 2-fold change was adopted as the threshold for determining differentially expressed genes. Among these genes, a certain amount of transcription factors, transporters, kinases, oxidative stress-related genes and genes in Ca+ and ethylene signaling pathway were detected to differentially express. Seeldings were treated with low-K hydroponic (containing 0.1 mmol.L-1 K+) and after 0 (CK), 8, 24 and 72 h exposure to low -K stress, the roots of sugarcane were collected. Four independent experiments were performed using roots collected at different time points
2014-10-02 | E-GEOD-61935 | biostudies-arrayexpress
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Project description:To explore the molecular mechanism of low-K tolerance in sugarcane, we have employed whole genome microarray expression profiling to identify sugarcane genes in response to low-K stress. seeldings were transplanted to low-K hydroponic (containing 0.1 mmol.L-1 K+) and the roots were collected at 0 (CK), 8, 24 and 72 h after exposure to low-K condition. The expressions of genes in sugarcane roots were detected by microarray analysis. Totally 1545 genes at 8 h, 1053 genes at 24 h and 3155 at 72 h differentially expressed under low-K stress, when the 2-fold change was adopted as the threshold for determining differentially expressed genes. Among these genes, a certain amount of transcription factors, transporters, kinases, oxidative stress-related genes and genes in Ca+ and ethylene signaling pathway were detected to differentially express.
2014-10-02 | GSE61935 | GEO
Project description:Summary The expression profile of internodes from high brix plant was compared to internodes from low brix plants. Mature (In9), intermediate (In5) and immature internodes (In1) were collected from two different Progenies and immediately frozen in liquid nitrogen. Total RNA was extracted using Trizol. Progeny 1 was derived from two intra-specific polycrosses, one among Saccharum officinarum genotypes and the other combining Saccharum spontaneum genotypes. For each generation, 500 individuals were sampled for brix content and gene expression. The extreme segregants were selected for further analysis. The F3 hybrid individuals selected for molecular studies were planted in a field in single rows of 5 m using standard sugarcane cultivation practices. Brix readings and tissue samples were collected very early in the season, and in March of the following year, when plants were 10 months old. The soluble solids (brix) content of mature internodes of each sugarcane stalk was measured with a portable refractometer (N1 model, ATAGO, Japan). Individuals or pools of eight individuals had their tissues collected and RNA extracted. Progeny 2 was derived from a cross between two commercial varieties (SP80-180 x SP80-4966). Five hundred sugarcane F1 plants were field-grown. The stem sugar content from the different plants showed a normal distribution, and seven plants with extreme brix values were collected. Keywords: Expression profiling by array
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Project description:Summary The expression profile of internodes from high brix plant was compared to internodes from low brix plants. Mature (In9), intermediate (In5) and immature internodes (In1) were collected from two different Progenies and immediately frozen in liquid nitrogen. Total RNA was extracted using Trizol. Progeny 1 was derived from two intra-specific polycrosses, one among Saccharum officinarum genotypes and the other combining Saccharum spontaneum genotypes. For each generation, 500 individuals were sampled for brix content and gene expression. The extreme segregants were selected for further analysis. The F3 hybrid individuals selected for molecular studies were planted in a field in single rows of 5 m using standard sugarcane cultivation practices. Brix readings and tissue samples were collected very early in the season, and in March of the following year, when plants were 10 months old. The soluble solids (brix) content of mature internodes of each sugarcane stalk was measured with a portable refractometer (N1 model, ATAGO, Japan). Individuals or pools of eight individuals had their tissues collected and RNA extracted. Progeny 2 was derived from a cross between two commercial varieties (SP80-180 x SP80-4966). Five hundred sugarcane F1 plants were field-grown. The stem sugar content from the different plants showed a normal distribution, and seven plants with extreme brix values were collected. Keywords: Expression profiling by array Total RNA from internodes pool from high brix plants and low brix plants was hybridized to dual channel arrays. Internodes from the same stage of development and from the same progeny were compared. The quantification of each hybridization was submitted in two files, one for each slide side (technical replicates).
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