Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Ectopic expression of NAC094 induces premature nodule senescence in Lotus japonicus.

ABSTRACT: To investigate the function of NAC094 in vivo, we overexpressed NAC094 in the infected cells of nodules using an L. japonicus Lb2 expression cassette. To this end, we used a GUS overexpression construct as control and analysed stably transformed plants to detect symbiotic phenotypes. Results show that overexpression of NAC094 causes premature senescence of nodules. To identify the mechanism by which NAC094 regulates nodule senescence, we performed a transcriptome profiling analysis of nodules at 3 wpi. Around 13,850 differentially expressed genes (DEGs) were identified by comparing NAC-OE with control nodules (Log2FC > 1, FDR < 0.05). Of these, 7,516 were up-regulated (NAC-OE-UP) and 6,334 were down-regulated (NAC-OE-DOWN).

ORGANISM(S): Lotus japonicus

PROVIDER: GSE197361 | GEO | 2023/03/23

REPOSITORIES: GEO

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
		Other

Items per page:

1 - 1 of 1

Similar Datasets

A time-course transcriptomic study for investigating the genome-wide effects of nitrate on gene expression in mature nodules of Lotus japonicus.

Project description:A time-course transcriptomic study was performed on mature nodules of Lotus japonicus MG-20 at 4 weeks post-inoculation (wpi) with Mesorhizobium loti MAFF303099. Plants were exposed to 10 mM KNO3 for six days and then nitrate was removed for five more days.

2023-03-23 | GSE197362 | GEO

Transcriptomic changes in Medicago truncatula and Lotus japonicus root nodules during drought stress

Project description:Drought is one of the major environmental factors limiting biomass and seed yield production in agriculture. In this research we focused on plants from Fabaceae family, which have a unique ability for establishment of symbiosis with nitrogen-fixing bacteria, and are relatively susceptible to water limitation. We present the changes in nitrogenase activity and global gene expression occurring in Medicago truncatula and Lotus japonicus root nodules during water deficit. Our results prove a decrease in the efficiency of nitrogen fixation as well as extensive changes in plant and bacterial transcriptomes shortly after watering cessation. We show for the first time that not only symbiotic plant component, but also Sinorhizobium meliloti and Mesorhizobium loti bacteria residing in the root nodules of M. truncatula and L. japonicus, respectively, adjust their gene expression in response to water shortage. Although our results demonstrate that both M. truncatula and L. japonicus root nodules are susceptible to water deprivation, they indicate significant differences in plant and bacterial response to drought between tested species, which may be related to various type of root nodules formed by these species.

2019-02-26 | GSE126986 | GEO

Cell-type specific transcriptome analysis in nodules of Lotus japonicus

Project description:Legume plants can establish symbiotic nitrogen fixation (SNF) with rhizobia mostly in root nodules, where rhizobia-infected cells are accompanied with uninfected cells in a mosaic pattern. Inside the mature nodules of legume, carbon and nitrogen nutrients between host plant cells and their resident bacteria are actively exchanged. To elucidate the metabolite dynamics relevant for SNF in nodules, three cell-types from nodule tissues of a model legume, Lotus japonicus, were isolated using laser microdissesction, and transcriptome analysis was done by an oligoarray with 60-mer length representing 21,495 genes. In our cell-type-specific profiling, many genes were identified as being expressed in nodules with spatial-specific manners. Among them, genes coding for metabolic enzymes were classified according to their function, and detailed data analysis figured out that secondary metabolic pathway was highly activated in nodule cortex. In particular, a number of metabolic genes for phenyl propanoid pathway were found as highly expressed genes accompanied with those encoding putative transporters of secondary metabolites. These data suggest the involvement of novel physiological function of phenylpropanoids in SNF. Gene expression in three different cell-types of Lotus japonicus nodule was measured. Three independent experiments were performed at each cell-types.

2011-12-29 | E-GEOD-34753 | biostudies-arrayexpress

Tissue-specific transcriptome analysis in nodules of Lotus japonicus

2011-12-29 | GSE34753 | GEO

Gene expression during root nodule development in wild type and Fix- mutant of Lotus japonicus

Project description:RNA-seq analysis was performed to know the expression profiles of Lotus japonicus genes during nodule development and nitrogen fixation.

2019-12-31 | GSE129778 | GEO

Lotus japonicus

Project description:Tissue-specific transcriptome analysis in nodules of Lotus japonicus

| PRJNA150369 | ENA

Methylome of Lotus japonicus accession 'Gifu'

Project description:Whole genome DNA methylation data for the the Lotus japonicus accession 'Gifu'

2016-12-01 | GSE73069 | GEO

Lotus japonicus-Alkaline

Project description:Lotus japonicus is a model legume broadly used to study transcriptome regulation under different stress conditions and microorganism interaction. Understanding how this model plant respond gainst alkaline stress will certainly help to develop more tolerant cultivars in economically important Lotus species as well as in other legumes. In order to uncover the most important response mechanisms activated during alkaline stress, we explored by microarray analysis the transcriptome regulation occurring in the phenotypically contrasting ecotypes MG-20 and Gifu B-129 of L. japonicus after 21 days of alkaline stress.

2014-03-25 | E-MTAB-2418 | biostudies-arrayexpress

Transcription profiling of Lotus japonicus major organ systems including nodule and seed development

Project description:Lotus japonicus is a perennial legume with a small diploid genome that has been adopted as a model species for legume genetics and genomics. With the genome sequence as a backdrop (Sato et al. 2008), we have generated a gene expression atlas that provides a global view of gene expression in all major organ systems of this species, including nodule and seed development.

2010-12-22 | E-MEXP-1726 | biostudies-arrayexpress

Natural DNA methylation variation in Lotus japonicus

Project description:Natural DNA methylation variation was examined in a population of wild Lotus japonicus accessions from Japan

2017-06-01 | GSE78767 | GEO