Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes
Plant growth-promoting rhizobacteria (PGPR) enhance plant growth under the influence of multigenic processes, including nitrate ( ${\rm NO}_3^-$) and ammonium ( ${\rm NH}_4^ +$) uptake genes, which could potentially explain the improvement in plant nutrition and plant growth promotion. Studies on th...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2019-01-01
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| Series: | Journal of Plant Interactions |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/17429145.2019.1602887 |
| _version_ | 1818864372672364544 |
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| author | Pamela Calvo Simon Zebelo David McNear Joseph Kloepper Henry Fadamiro |
| author_facet | Pamela Calvo Simon Zebelo David McNear Joseph Kloepper Henry Fadamiro |
| author_sort | Pamela Calvo |
| collection | DOAJ |
| description | Plant growth-promoting rhizobacteria (PGPR) enhance plant growth under the influence of multigenic processes, including nitrate ( ${\rm NO}_3^-$) and ammonium ( ${\rm NH}_4^ +$) uptake genes, which could potentially explain the improvement in plant nutrition and plant growth promotion. Studies on the effects of PGPR inoculation on regulation of ${\rm NO}_3^-$ and ${\rm NH}_4^ +$ plant uptake genes and nutrient accumulation using soil or soil-like substrates are limited. Here, we tested the hypothesis that the application of PGPR Bacillus mixtures increases overall plant growth, nutrient uptake and the transcript levels of nitrate and ammonium uptake genes in Arabidopsis thaliana. All three PGPR mixtures tested in this study significantly increased plant shoot fresh weight, root fresh, chlorophyll content, nutrient uptake and plant diameter. The transcript levels of five nitrate and four ammonium uptake genes were significantly higher in PGPR-treated plants compared to untreated plants. These results demonstrate that plant growth promotion and enhanced nutrient uptake by select PGPR mixtures. |
| first_indexed | 2024-12-19T10:30:37Z |
| format | Article |
| id | doaj.art-81904e12fc1d401f83e01a58bcea6ea1 |
| institution | Directory Open Access Journal |
| issn | 1742-9145 1742-9153 |
| language | English |
| last_indexed | 2024-12-19T10:30:37Z |
| publishDate | 2019-01-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Journal of Plant Interactions |
| spelling | doaj.art-81904e12fc1d401f83e01a58bcea6ea12022-12-21T20:25:46ZengTaylor & Francis GroupJournal of Plant Interactions1742-91451742-91532019-01-0114122423110.1080/17429145.2019.16028871602887Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genesPamela Calvo0Simon Zebelo1David McNear2Joseph Kloepper3Henry Fadamiro4Entomology and Plant Pathology Department, Auburn UniversityDepartment of Natural Sciences, University of Maryland Eastern ShoreDepartment of Plant and Soil Science, University of KentuckyEntomology and Plant Pathology Department, Auburn UniversityEntomology and Plant Pathology Department, Auburn UniversityPlant growth-promoting rhizobacteria (PGPR) enhance plant growth under the influence of multigenic processes, including nitrate ( ${\rm NO}_3^-$) and ammonium ( ${\rm NH}_4^ +$) uptake genes, which could potentially explain the improvement in plant nutrition and plant growth promotion. Studies on the effects of PGPR inoculation on regulation of ${\rm NO}_3^-$ and ${\rm NH}_4^ +$ plant uptake genes and nutrient accumulation using soil or soil-like substrates are limited. Here, we tested the hypothesis that the application of PGPR Bacillus mixtures increases overall plant growth, nutrient uptake and the transcript levels of nitrate and ammonium uptake genes in Arabidopsis thaliana. All three PGPR mixtures tested in this study significantly increased plant shoot fresh weight, root fresh, chlorophyll content, nutrient uptake and plant diameter. The transcript levels of five nitrate and four ammonium uptake genes were significantly higher in PGPR-treated plants compared to untreated plants. These results demonstrate that plant growth promotion and enhanced nutrient uptake by select PGPR mixtures.http://dx.doi.org/10.1080/17429145.2019.1602887pgprnitrateammoniumgenesrootgene expressionarabidopsis thaliana |
| spellingShingle | Pamela Calvo Simon Zebelo David McNear Joseph Kloepper Henry Fadamiro Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes Journal of Plant Interactions pgpr nitrate ammonium genes root gene expression arabidopsis thaliana |
| title | Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes |
| title_full | Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes |
| title_fullStr | Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes |
| title_full_unstemmed | Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes |
| title_short | Plant growth-promoting rhizobacteria induce changes in Arabidopsis thaliana gene expression of nitrate and ammonium uptake genes |
| title_sort | plant growth promoting rhizobacteria induce changes in arabidopsis thaliana gene expression of nitrate and ammonium uptake genes |
| topic | pgpr nitrate ammonium genes root gene expression arabidopsis thaliana |
| url | http://dx.doi.org/10.1080/17429145.2019.1602887 |
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