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Rhizbacterial community of maize rhizosphere[acdS].

ABSTRACT: Effect of phytostimulatory seed-inoculant Azospirillum lipoferum CRT1 on functional community of ACC deaminase producers (acdS) in the maize rhizosphere

PROVIDER: PRJEB14343 | ENA |

REPOSITORIES: ENA

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Rhizbacterial community of maize rhizosphere[rrs].

Project description:Effect of phytostimulatory seed-inoculant Azospirillum lipoferum CRT1 on total bacterial comminity (rrs) in the maize rhizosphere

| PRJEB14347 | ENA

Rhizbacterial community of maize rhizosphere[nifH].

Project description:Effect of phytostimulatory seed-inoculant Azospirillum lipoferum CRT1 on functional community of diazotroph (nifH)in the maize rhizosphere

| PRJEB14346 | ENA

Transcriptome analysis of Azospirillum lipoferum 4B during its interaction with rice roots

2014-01-01 | GSE42450 | GEO

Azospirillum lipoferum

Project description:Azospirillum lipoferum overview

| PRJNA50449 | ENA

Project description:Azospirillum lipoferum R1C

| PRJEB20438 | ENA

Transcriptome analysis of Azospirillum lipoferum 4B during its interaction with rice roots

Project description:Investigation of whole genome gene expression level changes in a Azospirillum lipoferum 4B associated to artificial roots, Oryza sativa japonica cv. Cigalon roots and Oryza sativa japonica cv. Nipponbare roots, compared to the strain grown in liquid culture. For each of the four condition, two replicates were analysed on an A. lipoferum 4B whole genome expression array designed by Roche Nimblegen, Inc. (Madison, WI, USA), based on the genome sequence (Wisniewski-DyM-CM-) et al. 2011), as follows: two replicates of 5 probes (length, 60 nucleotides) per gene, covering 6,242 genes and using a total of 62,178 probes.

2014-01-01 | E-GEOD-42450 | biostudies-arrayexpress

Transcription profiling of canola seedling roots and shoots to study the effects of the bacterial enzyme ACC deaminase

Project description:The purpose of this experiment was to study the effects of the bacterial enzyme ACC deaminase on the transcriptional changes within canola seedlings. Seedlings from seeds treated with the plant growth-promoting bacteria Pseudomonas putida UW4 which expresses a high level of ACC deaminase and its ACC deaminase-minus mutant were compared to untreated seedlings along with a transgenic line of canola expressing the ACC deaminase enzyme in the roots. ACC deaminase breaks down 1-aminocyclopropane-1-carboxylic acid, the biosynthetic precursor to the plant hormone ethylene, lowering ethylene levels and improving plant fitness. Plants treated with the ACC deaminase-containing bacteria and transgenic plants expressing ACC deaminase are more tolerant to a variet of stresses and this expression study helps to illuminate the pathways responsible for the growth promotion provided by the beneficial bacteria and the role of the enzyme itself.

2009-03-30 | E-TABM-582 | biostudies-arrayexpress

Plant root transcriptome profiling of Azospirillum-rice cooperation

Project description:Cooperation involving Plant Growth-Promoting Rhizobacteria results in improvements of plant growth and health. While pathogenic and symbiotic interactions are known to induce transcriptional changes for genes related to plant defense and development, little is known about the impact of phytostimulating rhizobacteria on plant gene expression. In this context, this study aimed at identifying genes significantly regulated in rice roots upon Azospirillum inoculation, considering possible favored interaction between a strain and its original host cultivar. Genome-wide analyses of root gene expression of Oryza sativa japonica cultivars Cigalon and Nipponbare were performed, by using microarrays, seven days post inoculation with A. lipoferum 4B (isolated from Cigalon roots) or Azospirillum sp. B510 (isolated from Nipponbare) and compared to the respective non-inoculated condition.

2014-12-22 | GSE59137 | GEO

Azospirillum lipoferum strain:Sp59b | isolate:LMG 13128

Project description:Azospirillum lipoferum Sp59b genome sequencing

| PRJNA710669 | ENA

ZmEREB92 plays a negative role in seed germination by regulating ethylene signaling and starch mobilization in maize

Project description:Rapid and uniform seed germination is required for modern cropping system. Thus, it is important to optimize germination performance through breeding strategies in maize, in which identification for key regulators is needed. Here, we characterized an AP2/ERF transcription factor, ZmEREB92, as a negative regulator of seed germination in maize. Enhanced germination in ereb92 mutants is contributed by elevated ethylene signaling and starch degradation. Consistently, an ethylene signaling gene ZmEIL7 and an α-amylase gene ZmAMYa2 are identified as direct targets repressed by ZmEREB92. OsERF74, the rice ortholog of ZmEREB92, shows conserved function in negatively regulating seed germination in rice. Importantly, this orthologous gene pair is likely experienced convergently selection during maize and rice domestication. Besides, mutation of ZmEREB92 and OsERF74 both lead to enhanced germination under cold condition, suggesting their regulation on seed germination might be coupled with temperature sensitivity. Collectively, our findings uncovered the ZmEREB92-mediated regulatory mechanism of seed germination in maize and provide breeding targets for maize and rice to optimize seed germination performance towards changing climates.

2023-11-09 | GSE234833 | GEO

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