Ontology highlight
ABSTRACT:
PROVIDER: PRJNA953004 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR24117000_1.fastq.gz | Fastqsanger.gz | |||
| SRR24117000_2.fastq.gz | Fastqsanger.gz | |||
| SRR24117001_1.fastq.gz | Fastqsanger.gz | |||
| SRR24117001_2.fastq.gz | Fastqsanger.gz | |||
| SRR24117002_1.fastq.gz | Fastqsanger.gz |
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Project description:The purpose of this study is to analyze maize shoots growth under negative pressure to stabilize soil water content，Maize plants were subjected to two irrigation treatments. The first treatment was soil moisture dry-wet cycles, which was obtained using drip irrigation (control, DW). The second treatment was negative pressure to stabilize soil water content treatment (SW), which was obtained using the negative pressure irrigation (NPI) system.
2021-10-03 | ST001955 | MetabolomicsWorkbench
Project description:Soil Metagenome of Zea mays( Intercrop, second year)
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Project description:Intercropping is a vital technology in resource-limited agricultural systems with low inputs. Peanut/maize intercropping enhances iron (Fe) nutrition in calcareous soil. Proteomic studies of the differences in peanut leaves, maize leaves and maize roots between intercropping and monocropping systems indicated that peanut/maize intercropping not only improves Fe availability in the rhizosphere but also influences the levels of proteins related to carbon and nitrogen metabolism. Moreover, intercropping may enhance stress resistance in the peanut plant (Xiong et al. 2013b). Although the mechanism and molecular ecological significance of peanut/maize intercropping have been investigated, little is known about the genes and/or gene products in peanut and maize roots that mediate the benefits of intercropping. In the present study, we investigated the transcriptomes of maize roots grown in intercropping and monocropping systems by microarray analysis. The results enabled exploration differentially expressed genes in intercropped maize. Peanut (Arachis hypogaea L. cv. Luhua14) and maize (Zea mays L. cv. Nongda108) seeds were grown in calcareous sandy soil in a greenhouse. The soil was enhanced with basal fertilizers [composition (mg·kg−1 soil): N, 100 (Ca (NO3)2·4H2O); P, 150 (KH2PO4); K, 100 (KCl); Mg, 50 (MgSO4·7H2O); Cu, 5 (CuSO4·5H2O); and Zn, 5 (ZnSO4·7H2O)]. The experiment consisted of three cropping treatments: peanut monocropping, maize monocropping and intercropping of peanut and maize. After germination of peanut for 10 days, maize was sown. Maize samples were harvested after 63 days of growth of peanut plants based on the degree of Fe chlorosis in the leaves of monocropped peanut. The leaves of monocropped peanut plants exhibited symptoms of Fe-deficiency chlorosis at 63 days, while the leaves of peanut plants intercropped with maize maintained a green color.
2017-01-24 | GSE93771 | GEO
Project description:We present metaproteome data from maize rhizosphere from sodic soil. Isolation of proteome from maize rhizosphere collected from Experimental Farm, ICAR-IISS, Mau, India was done with the standardized protocol at our laboratory and metaproteome analysis was done with the standardized pipepline. In total 696 proteins with different functions representing 245 genus and 395 species were identified. The proteome data provides direct evidence on the biological processes in soil ecosystem and is the first reported reference data from maize rhizosphere.
2019-10-08 | PXD014519 | Pride
Project description:In this study, a small RNA library from maize seed 24 hours after imbibition was sequenced by the Solexa technology. A total of 11,338,273 reads were obtained. 1,047,447 total reads representing 431 unique sRNAs matched to known maize miRNAs. Further analysis confirmed the authenticity of 115 known miRNAs belonging to 24 miRNA families and the discovery of 167 novel miRNAs in maize. Both the known and the novel miRNAs were confirmed by sequencing of a second small RNA library constructed the same way as the one used in the first sequencing. We also found 10 miRNAs that had not been reported in maize, but had been reported in other plant species. All novel sequences had not been earlier described in other plant species. In addition, seven miRNA* sequences were also obtained. Putative targets for 106 novel miRNAs were successfully predicted. Our results indicated that miRNA-mediated gene expression regulation is present in maize imbibed seed. This study led to the confirmation of the authenticity of 115 known miRNAs and the discovery of 167 novel miRNAs in maize. Identification of novel miRNAs resulted in significant enrichment of the repertoire of maize miRNAs and provided insights into miRNA regulation of genes expressed in imbibed seed.
2014-03-03 | GSE27664 | GEO
Project description:Soil transplant serves as a proxy to simulate climate change in realistic climate regimes. Here, we assessed the effects of climate warming and cooling on soil microbial communities, which are key drivers in Earth’s biogeochemical cycles, four years after soil transplant over large transects from northern (N site) to central (NC site) and southern China (NS site) and vice versa. Four years after soil transplant, soil nitrogen components, microbial biomass, community phylogenetic and functional structures were altered. Microbial functional diversity, measured by a metagenomic tool named GeoChip, and phylogenetic diversity are increased with temperature, while microbial biomass were similar or decreased. Nevertheless, the effects of climate change was overridden by maize cropping, underscoring the need to disentangle them in research. Mantel tests and canonical correspondence analysis (CCA) demonstrated that vegetation, climatic factors (e.g., temperature and precipitation), soil nitrogen components and CO2 efflux were significantly correlated to the microbial community composition. Further investigation unveiled strong correlations between carbon cycling genes and CO2 efflux in bare soil but not cropped soil, and between nitrogen cycling genes and nitrification, which provides mechanistic understanding of these microbe-mediated processes and empowers an interesting possibility of incorporating bacterial gene abundance in greenhouse gas emission modeling.
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Project description:To adapt to waterlogging in soil, some gramineous plants, such as maize (Zea mays), form lysigenous aerenchyma in the root cortex. Ethylene, which is accumulated during waterlogging, promotes aerenchyma formation. Aerencyma is formedonly in cortex in maise root. Therevore, aerenchyma is one of the model of programmed cell death. However, the molecular mechanism of aerenchyma formation is not understood. Therefore we isolated only cortex cells in maize primary root using laser microdissection. And microarray analysis was perforemed to identify the arechyma formation related genes. For microarray analysis, we designed 4 different experiments. Basal part and apical part of root were used for 1st experiment because arenchyma was formed in basal part of root, but not in apex. In second experiment, basal part of root with 6 hours waterlogged treatment and without treatment were used. And, as aerenchyma was induced by ethylene, ethylene and 1-MCP (inhibitor of ethylen perception) were used for experiment3 and 4. Gene expression analysis in 4 kinds of samples (cortex in basal reagion of maize primary root which were treated with waterlogged condition, aerobic condition, ethylene and 1-MCP and cortex in apical reagion of maize primary root which were treated with waterlogged conditio)
2011-01-28 | E-GEOD-26897 | biostudies-arrayexpress
Project description:In this study we perform a transcriptomics analysis of two maize (Zea mays) organs, roots and leaves, from plants grown in the presence of a sufficient (1000 uM) or limiting (10 uM) concentration of soil phosphate.
2017-02-09 | GSE63779 | GEO
Project description:To adapt to waterlogging in soil, some gramineous plants, such as maize (Zea mays), form lysigenous aerenchyma in the root cortex. Ethylene, which is accumulated during waterlogging, promotes aerenchyma formation. Aerencyma is formedonly in cortex in maise root. Therevore, aerenchyma is one of the model of programmed cell death. However, the molecular mechanism of aerenchyma formation is not understood. Therefore we isolated only cortex cells in maize primary root using laser microdissection. And microarray analysis was perforemed to identify the arechyma formation related genes. For microarray analysis, we designed 4 different experiments. Basal part and apical part of root were used for 1st experiment because arenchyma was formed in basal part of root, but not in apex. In second experiment, basal part of root with 6 hours waterlogged treatment and without treatment were used. And, as aerenchyma was induced by ethylene, ethylene and 1-MCP (inhibitor of ethylen perception) were used for experiment3 and 4.
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