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Transcriptome profile for roots of the rice plants which showed favorable morpho-physiological adaptation when subjected to severe drought stress

ABSTRACT: To understand how OsNAM12.1 over-expression influences the target genes within qDTY12.1 and across the genome to affect root growth, the root transcriptome of Vandana, 481-B, IR64-Tr-E2, and IR64-WT were compared under control and drought conditions.

ORGANISM(S): Oryza sativa

PROVIDER: GSE78504 | GEO | 2016/02/25

SECONDARY ACCESSION(S): PRJNA313155

REPOSITORIES: GEO

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Transcriptome profile for roots of the rice plants which showed favorable morpho-physiological adaptation when subjected to severe drought stress

Project description:To understand how OsNAM12.1 over-expression influences the target genes within qDTY12.1 and across the genome to affect root growth, the root transcriptome of Vandana, 481-B, IR64-Tr-E2, and IR64-WT were compared under control and drought conditions. Drought induced gene expression was studied in the roots of the rice plants subjected to severe drought. Seeds of Vandana, 481-B, IR64 and the OsNAM12.1 overexpression line (OsNAM Event 2) were sown in 5 biological replicates in a randomized complete block design for both the well watered and drought stress treatments.

2016-02-25 | E-GEOD-78504 | biostudies-arrayexpress

Transcriptome profile for leaves of rice plants subjected to severe reproductive stage drought stress

Project description:To understand how the qDTY12.1 interacts with other genes within the genome to give better physiological adaptations and better yield; the leaves transcriptome of DTY12.1 parents (Vandana , Way Rarem) and DTY12.1 NIL (481-B) were compared under control and drought conditions. Drought induced gene expression was studied in the leaves of the rice plants subjected to severe reproductive stage drought. Seeds of Vandana, Way Rarem, and 481-B were sown into rotovated soil at a rate of 2.0 g m-1 into plots of 3 rows X 3 m. The three genotypes were sown in three replications in a randomized complete block design.

2016-03-01 | E-GEOD-78776 | biostudies-arrayexpress

Transcriptome profile for spikelets of rice plants subjected to severe reproductive stage drought stress

Project description:To understand how the qDTY12.1 interacts with other genes within the genome to give better yield under drought; the spikelets transcriptome of DTY12.1 parents (Vandana , Way Rarem) and DTY12.1 NIL (481-B) were compared under control and drought conditions. Drought induced gene expression was studied in the spikelets of the rice plants subjected to severe reproductive stage drought. Seeds of Vandana, Way Rarem, and 481-B were sown into rotovated soil at a rate of 2.0 g m-1 into plots of 3 rows X 3 m. The three genotypes were sown in three replications in a randomized complete block design.

2016-03-01 | E-GEOD-78777 | biostudies-arrayexpress

Transcriptome profile for spikelets of rice plants subjected to severe reproductive stage drought stress

2016-03-01 | GSE78777 | GEO

Transcriptome profile for leaves of rice plants subjected to severe reproductive stage drought stress

2016-03-01 | GSE78776 | GEO

Genome-wide temporal-spatial gene expression profiling of drought responsiveness in rice

Project description:Rice is highly sensitive to drought, and the effect of drought may vary with the different genotypes and development stages. Genome-wide gene expression profiling was used as the initial point to dissect molecular genetic mechanism of this complex trait and provide valuable information for the improvement of drought tolerance in rice. Affymetrix rice genome array containing 48,564 japonica and 1,260 indica sequences was used to analyze the gene expression pattern of rice exposed to drought stress. The transcriptome from leaf, root, and young panicle at three developmental stages was comparatively analyzed combined with bioinformatics exploring drought stress related cis-elements. In this study, the gene expression patterns across six tissues including leaves and roots at tillering stage and panicle elongation stage, leaves and young panicle at booting stage ( TL: leaves at tillering stage; TR: roots at tillering stage; PL: leaves at panicle elongation stage; PR: roots at panicle elongation stage; BP: young panicle at booting stage; BL: leaves at booting stage) were characterized by using the Affymetrix rice microarray platform based on a drought tolerant rice line derived from IR64.

2010-12-23 | E-GEOD-26280 | biostudies-arrayexpress

Gene expression profile of response to auxin at 3 h after treatment in rice root tips: IR64 vs Dro1-NIL

Project description:Gene expression profile of response to auxin at 3 h after treatment in rice root tips: IR64 (loss-of-function of DRO1 type) vs Near-isogenic line homozygous for the Kinandang Patong allele of DRO1 in an IR64 genetic background (Dro1-NIL; gain-of-function of DRO1 type) We used two rice varieties, IR64 and near-isogenic line homozygous for the Kinandang Patong allele of DRO1 in an IR64 genetic background (Dro1-NIL). We performed comprehensive microarray analysis of rice root tips with auxin treatment (3h) and pre-treatment (0h) in IR64 and Dro1-NIL. Seedling root tips of IR64 and Dro1-NIL were treated with 10 M-BM-5M 2,4-D. n = 3 biological repeats (15 seedlings per repeat).

2013-05-07 | E-GEOD-46255 | biostudies-arrayexpress

Gene expression profile of response to auxin at 3 h after treatment in rice root tips: IR64 vs Dro1-NIL

2013-05-07 | GSE46255 | GEO

Gene Expression and Physiological Differences in Neo-Octoploid Switchgrass Subjected to Drought Stress

Project description:Switchgrass (Panicum virgatum L.) has been subject to breeding to improve its yield and composition for bioenergy, but improving its tolerance to environmental variability is just beginning. Different ploidy populations act as somewhat distinct gene pools which can only be bridged through whole genome reduction or duplication events. In order to document potential wide-ranging effects of whole genome duplication, we examined the effects of water stress on growth, physiology, and gene expression in individual tetraploid clones of the switchgrass cultivar ‘Liberty’ as well as neo-octoploid lines derived from it. The neo-octoploids behaved similarly to Liberty under water-stress and recovery conditions. Growth rates, photosynthesis, gas exchange, node numbers, and height were reduced in plants under water stress while proline levels were increased. A total of 6134 differentially expressed genes (8% of the annotated genes with detectable expression in crown tissue) were detected under water deficit stress, while 3310 differentially expressed genes were detected in crown tissue after 1 week of recovery from water deficit stress relative to well-watered treatments. Only a small number of genes were identified as being differentially expressed between 4x Liberty and its 8x derivatives.

2020-02-06 | GSE132772 | GEO

Redox proteomics and physiological responses in Cistus albidus shrubs subjected to long-term summer drought followed by recovery.

Project description:Main conclusionThe interaction between enzymatic and non-enzymatic antioxidants, endogenous levels of ABA and ABA-GE, the rapid recuperation of photosynthetic proteins under re-watering as well the high level of antioxidant proteins in previously drought-stressed plants under re-watering conditions, will contribute to drought resistance in plants subjected to a long-term drought stress under Mediterranean field conditions. This work provides an overview of the mechanisms of Cistus albidus acclimation to long-term summer drought followed by re-watering in Mediterranean field conditions. To better understand the molecular mechanisms of drought resistance in these plants, a proteomic study using 2-DE and MALDI-TOF/TOF MS/MS was performed on leaves from these shrubs. The analysis identified 57 differentially expressed proteins in water-stressed plants when contrasted to well watered. Water-stressed plants showed an increase, both qualitatively and quantitatively, in HSPs, and downregulation of photosynthesis and carbon metabolism enzymes. Under drought conditions, there was considerable upregulation of enzymes related to redox homeostasis, DHA reductase, Glyoxalase, SOD and isoflavone reductase. However, upregulation of catalase was not observed until after re-watering was carried out. Drought treatment caused an enhancement in antioxidant defense responses that can be modulated by ABA, and its catabolites, ABA-GE, as well as JA. Furthermore, quantification of protein carbonylation was shown to be a useful marker of the relationship between water and oxidative stress, and showed that there was only moderate oxidative stress in C. albidus plants subjected to water stress. After re-watering plants recovered although the levels of ABA-GE and antioxidant enzymes still remain higher than in well-watered plants. We expect that our results will provide new data on summer acclimation to drought stress in Mediterranean shrubs.

| S-EPMC4361772 | biostudies-literature

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