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E-MTAB-3834

ABSTRACT: Transcriptome profiling of contrasting rice genotypes in response to submergence during seed germination

PROVIDER: E-MTAB-3834 | ExpressionAtlas | 2019-01-09

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-MTAB-3834-analysis-methods.tsv	Tabular
	E-MTAB-3834-analytics.tsv	Tabular
	E-MTAB-3834-atlasExperimentSummary.Rdata	Rdata
	E-MTAB-3834-configuration.xml	Xml
	E-MTAB-3834-g1_g2-mvaPlot.png	Other

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Transcriptome profiling of contrasting rice genotypes in response to submergence during seed germination

Project description:Transcriptome profiling of contrasting rice genotypes in response to submergence during seed germination

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E-GEOD-38023

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Project description:The rice gene SUB1A-1 confers flooding tolerance restricting shoot growth during submergence. Rice with SUB1A also show more rapid recovery after submergence ends, but mechanisms by which SUB1A improves recovery from submergence had not been examined. In this study, the transcriptome was sequenced at five time points over a 24 hour submergence recovery period in near-isogenic rice genotypes with and without SUB1A.

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E-MTAB-5941

Project description:Transcriptome profiling of short-term response to chilling stress in resistant and susceptible rice seedlings

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The Submergence Tolerance Regulator Sub1A Mediates Stress-responsive Expression of AP2/ERF Transcription Factors

Project description:Rice NSF45K microarray experiment to dissect submergence tolerance response in submergence tolerant rice plant, M202(Sub1): We previously characterized the rice (Oryza sativa L.) Sub1 locus encoding three Ethylene Responsive Factor (ERF) transcriptional regulators. Genotypes carrying the Sub1A-1 allele are tolerant of prolonged submergence. To elucidate the mechanism of Sub1A-1 mediated tolerance, we performed transcriptome analyses comparing the temporal submergence response of Sub1A-1 containing tolerant M202(Sub1) with the intolerant isoline M202 lacking this gene at three duration of submergence (0d, 1d, and 6d) with two biological replicates and one or two dye-swaps. We identified 898 genes displaying Sub1A-1-dependent regulation. Keywords: Abiotic stress tolerance response

2010-03-09 | GSE17704 | GEO

The Submergence Tolerance Regulator Sub1A Mediates Stress-responsive Expression of AP2/ERF Transcription Factors

2010-03-08 | E-GEOD-17704 | biostudies-arrayexpress

affy_compartimentation_rice_albumen_embryon-Transcriptomic study of the rice seed compartimentation during germination

Project description:affy_rice_2011_03 - affy_compartimentation_rice_albumen_embryon - During germination, the rice seed goes from a dry quiescent state to an active metabolism. As with all cereals, the rice seed is highly differentiated between the embryo (that will give rise to the future plantlet) and the endosperm (that contains the seed storage compounds and that will degenerate). The molecular mechanisms operating in the rice seed embryo have begun to be described. Yet, very few studies have focused specifically on the endosperm during the germination process. In particular, the endosperm is mostly addressed with regards to its storage proteins but we have detected a large protein diversity by two-dimensional electrophoresis. Similarly, the endosperm is rich in total RNA which suggest that gene expression coming from seed maturation could play a role during the germination process. In this context, we want to compare the transcriptome of the embryo and the endosperm during rice seed germination. -We germinate rice seeds of the first sequenced rice cultivar i.e. Nipponbare during 0, 4, 8, 12, 16 and 24h of imbibition in sterile distilled water. Germination occurs under constant air bubbling, in the dark at 30°C. These rice seeds are then manually dissected into embryo and endosperm fractions. -The embryo-derived samples are abbreviated in “E” while the endosperm samples are abbreviated “A”. The germination time-point is indicated after the letter (e.g. E8 for embryo samples harvested after 8 hours of germination). Finally, the biological repetition number is indicated before the letter and the time digit (e.g. 1-E8 for an embryo sample from the first repetition at 8 hours of imbibition).

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E-GEOD-58603

Project description:Transcription profiling of two different rice genotypes in response to salt stress and abscisic acid treatment

2016-01-08 | E-GEOD-58603 | ExpressionAtlas

Transcriptome profiling of contrasting rice genotypes in response to submergence during seed germination

Project description:This transcriptome experiment identified a core set of genes differentially regulated under submergence between tolerant and sensitive rice genotypes. This differential modulation of gene expressions could contribute to the level of flooding tolerance in diverse rice genotypes. Rare allele-specific gene regulations and genotype-specific adaptive mechanisms could further promote the submergence tolerance in those genotypes with extremely adaptive phenotype.

2017-05-31 | E-MTAB-3834 | biostudies-arrayexpress

Transcription profiling of indica rice cultivar FR13A under submergence treatment.

Project description:An indica rice cultivar FR13A, is widely grown as submergence tolerant variety and can withstand submergence up to two weeks. The tolerance is governed by a major QTL on chromosome 9 and represented as sub1. Recently the gene for sub1 has been mapped and cloned. However, the trait is governed by several QTLs and not by a single gene. To understand the mechanism of submergence tolerance we selected, two indica rice genotypes namely, I) FR13A, a tolerant indica variety and ii) IR24, a susceptible genotype for this study. We used the 22K rice Oligoarray from Agilent technologies to study the transcript profile in the leaves of the two contrasting rice genotypes under constitutive and submerged conditions at seedling stage. SUBMITTER_CITATION: Combining In Silico Mapping and Arraying: an Approach to Identifying Common Candidate Genes for Submergence Tolerance and Resistance to Bacterial Leaf Blight in Rice. Mol. Cells 2007 24:394-408. Experiment Overall Design: We used Agilent rice gene chips (G4138A) to investigate the transcript level changes in rice leaf tissues during submergence treatment. We used two contrasting rice genotypes (FR13A tolerant and IR24 susceptible) differing in submergence response. Plants were grown in growth chambers and treated by submerging the plants in transparent polythene bags on14th DAS. Leaf sampling was done in both constitutive and treated plants at 3 time points. Two replications of microarray experiments were carried out by hybridizing the RNA from tolerant samples against the susceptible lines.

2008-06-14 | E-GEOD-6362 | biostudies-arrayexpress

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