Plant growth promoting and anti-plant pathogenic effects of bioformulation
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PROVIDER: PRJEB24577 | ENA |
REPOSITORIES: ENA
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Project description:Plant growth-promoting bacteria in Sorghum: Complementary mechanisms revealed by genomics and metagenomics
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Project description:Possitive effects of plant growth promoting bacteria (PGPB) inoculation on plant growth and development are dependent on interaction between bacterial strains and plant roots, which are usually the bacterial niche. Furthermore, phytohormones are key regulators of plant physiology. Ethylene is essential in plant growth and development and in response to drought. Plant sensibility to ethylene is involved in plant response to PGPB strain inoculation and plant growth promotion. We used microarrays to detail the global programme of gene expression underlying plant interaction with two different PGPB strains (isolated from arid soils in southern Spain) regarding to plant sentitivity to ethylene by tomato ethylene receptor 3 (SlETR3).
2018-01-29 | GSE106317 | GEO
Project description:Small RNAs are the non-coding RNAs known to regulate various biological functions such as stress adaptation, metabolism, virulence as well as pathogenicity across wide range of bacteria, mainly by controlling mRNA stabilization or regulating translation. Identification and functional characterization of sRNAs that has been carried out in various plant growth promoting bacteria have shown to help the bacterial cell cope up with environmental stress. Till now no study has been carried out to uncover these regulatory molecules in diazotrophic alpha-proteobacterium Azospirillum brasilense Sp245. RNA-Seq is a suitable approach for expression-based sRNA identification in bacteria.
2020-11-01 | GSE117764 | GEO
Project description:Algae growth-promoting methylobacteria
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Project description:Growth in soil inoculated with plant growth promoting bacteria (PGPB) producing 1-aminocyclopropane-1-carboxylate |(ACC) deaminase or expressing of the corresponding acdS in transgenic lines reduces the decline in shoot length, shoot weight and photosynthetic capacity triggered by salt stress in Camelina sativa. Reducing the levels of stress ethylene decreases the expression of salt stress-responsive genes, specifically genes involved in development, senescence, chlorosis and leaf abscission that are highly induced by salt to the levels that may have a less negative effect on growth and productivity. Moderate expression of acdS under the promoter of the rolD promoter or growing plants in soil treated with the PGPB Pseudomonas migulae 8R6, were more effective in eliminating the expression of the genes involved in ethylene production and/or signaling than expression under the more active Cauliflower Mosaic Virus 35S promoter.
2019-06-13 | GSE132600 | GEO
Project description:Effect of elemental sulfur as fertilizer ingredient on the mobilization of iron and phosphorus from a calcareous soil cultivated with durum wheat: Ιnduced assemblage of plant growth promoting arylsulfatase producing bacteria
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Project description:Metataxonomic study of plant growth-promoting bacterial communities associated with sugarcane
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Project description:Transcriptome analysis of Arabidopsis colonized by a plant-growth promoting rhizobacterium reveals a general effect on disease resistance RNA transcript levels of Arabidopsis plants, infected by the rhizobacterium Pseudomonas thivervalensis (strain MLG45), and axenic control plants were compared using cDNA microarrays representing approximately 14 300 genes. The analysis revealed an increase of defence-related transcripts in the shoots of bacterized plants relative to control (axenic) plants. These modifications of transcript levels were confirmed by physiological experiments. Plants infected with P. thivervalensis were more resistant to subsequent infections by the virulent pathogen P. syringae pv. tomato (strain DC3000) than control plants. In addition, photosynthesis rates were repressed consistently with the reduced growth of plants colonized by P. thivervalensis. These results highlight the value of molecular phenotyping to predict physiological changes.
2005-10-14 | E-SMDB-2344 | biostudies-arrayexpress
Project description:Canola plants inoculated with plant growth-promoting bacteria either expressing ACC deaminase or not to determine the effect on plant gene expression using an Arabidopsis microarray.
2011-11-01 | GSE31396 | GEO
Project description:Arabidopsis thaliana transcriptome analysis in response to plant growth promoting rhizobacteria (PGPR)<br> Experiment 1 : Changes in gene expression profile triggered during root architecture response to Phyllobacterium.<br> Biological question : Which genes are up- or down-regulated in Arabidopsis thaliana cultivated in vitro with increased lateral root development in response to Phyllobacterium STM196 inoculation.<br> Experiment description: Seeds of wild-type Arabidopsis thaliana (ecotype Columbia) were surface-sterilized and sown on agar mineral medium (see below). 4 days after storage in the dark at 4C, seedling were cultivated 6 days in a growth chamber (16 h daily, 20-22C) and then transferred on a fresh agar mineral medium inoculated or not with Phyllobacterium STM196 (2.108 cfu/ml). 6 days later, root and leaves were collected, froze on liquid nitrogen and stored at -80C.<br> <br> Experiment 2 : Changes in gene expression profile triggered during induced systemic resistance (ISR)<br> Biological question : Which genes are up- or down-regulated during the ISR triggered by a rhizobacteria, in comparison with those affected by a pathogenic interaction. <br> Experiment description: Seeds were sown on 0.8% (W/V) agar mineral medium (see below). 4 days after storage in the dark at 4C, seedling were cultivated 6 days in a growth chamber (16 h daily, 20-22C) and then transferred on soil inoculated or not with 107 cfu.g-1 of Bradyrhizobium strain ORS278. Three weeks later, 3 leaves per plant were infiltrated with a suspension of Pseudomonas syringae pv. tomato (2.105 cfu.ml-1) or with MgSO4 10 mM alone for control plants. Infiltrated leaves were collected 24h later.<br> <br> Experiment 3 : Comparison of the effects of 3 rhizobacteria on Arabidopsis thaliana transcriptome<br> Biological question : which genes are specifically induced or repressed in Arabidopsis thaliana by inoculation of the soil with a PGPR vs a bacteria that has the ability to trigger nodule formation in a Legume. <br> Experiment description: Seeds of wild-type Arabidopsis thaliana (ecotype Columbia) were surface-sterilized and sown on agar mineral medium. Four days after storage in the dark at 4C, seedlings were cultivated 6 days in a growth chamber (16 h daily, 20-22C) and then transferred on soil inoculated or not with 108 cfu.g-1 of Mesorhizobium loti, or 108 cfu.g-1 of Phyllobacterium STM196, or 107 cfu.g-1 of Bradyrhizobium ORS278.
2006-02-01 | E-MEXP-386 | biostudies-arrayexpress