Proteome dynamics of rice with inoculation of ACC deaminase producing endophytic bacteria
Ontology highlight
ABSTRACT:
INSTRUMENT(S): Q Exactive HF
ORGANISM(S): Oryza Sativa Cv. Japonica
SUBMITTER: 
Tongmin Sa
PROVIDER: MSV000087922 | MassIVE | Thu Jul 29 23:46:00 BST 2021
REPOSITORIES: MassIVE
Similar Datasets
Project description:Growth in soil inoculated with plant growth promoting bacteria (PGPB) producing 1-aminocyclopropane-1-carboxylate |(ACC) deaminase or expressing of the corresponding acdS in transgenic lines reduces the decline in shoot length, shoot weight and photosynthetic capacity triggered by salt stress in Camelina sativa. Reducing the levels of stress ethylene decreases the expression of salt stress-responsive genes, specifically genes involved in development, senescence, chlorosis and leaf abscission that are highly induced by salt to the levels that may have a less negative effect on growth and productivity. Moderate expression of acdS under the promoter of the rolD promoter or growing plants in soil treated with the PGPB Pseudomonas migulae 8R6, were more effective in eliminating the expression of the genes involved in ethylene production and/or signaling than expression under the more active Cauliflower Mosaic Virus 35S promoter.
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Project description:Gene expression patterns in roots of Camelina sativa with enhanced salinity tolerance arising from growth in soil treated with plant growth promoting bacteria producing 1-aminocyclopropane-1-carboxylate deaminase (ACC deaminase) or from expression of the corresponding acdS gene in transgenic lines. Salinity stress negatively affects crop production. However in camelina, grown in soils treated with PGPB producing 1-aminocyclopropane-1-carboxylate deaminase (acdS ) or transgenic lines expressing acdS exhibited increased salinity tolerance. AcdS reducing the level of stress ethylene to below the point where it is inhibitory to growth. Gene expression patterns in roots responding to salt stress was affected by the expression of acdS under the control of CaMV 35S or root-specific (rolD) promoters in transgenic lines, or by growth in soils treated with endophytic PGPB producing acdS indicate that the number of the genes were differentially expressed were more assigned to genome III in transgenic plants however in PGPB treated plants the number of the genes were differentially expressed were almost equally assigned to all three genomes. Different promoter may induce different set or even different homeologues genes in camelina with probably the same function in response to salt stress. Though root is not a photosynthetic tissue reduction of the ethylene in root cells has positive effect on plant photosynthetic machinery. The expression of the genes involved in minor CHO metabolism was up-regulated mainly in roots of acdS contain plants during salt stress. Moderate reduction in ethylene production has positive effect on root growth during salt stress but reduction of the ethylene higher than a certain level has negative effect on root growth due to reduction of the expression of the genes involved in root cell elongation. AcdS gene modulating the level of ROS in cells in the level that induce ROS signaling but preventing cellular damage by make a balance on up and down-regulation of the genes involved in oxidation-reduction process in root cells under salinity stress. The acdS containing PGPB (8R6) were mostly effected the ethylene signaling and ABA biosynthesis and signaling in positive way but transgenic line depends to the promoter affecting Auxin, JA and BR signaling or biosynthesis.
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Project description:Expression Data of Rice Crown and Growing Point Tissue Under Salt Stress imposed during the Panicle Initiation Stage Experiment Overall Design: Rice Genotypes a sensitive japonica, m103, tolerant japonica agami, sensitive indica ir29 and tolerant indica ir63731 were used for expression anlaysis using the tissue from crown and growing point under control and salt stressed conditions at the sensitive early reproductive stage (panicel initiation).
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Project description:Rice (Oryza sativa) stands among the world's most important crop species and is salt-sensitive. The undue accumulation of sodium ions (Na+) in shoots has the strongest negative correlation with rice productivity under long-term salinity. The plasma membrane Na+/H+ exchanger protein SOS1 is the only Na+ efflux transporter that has to date been genetically characterized and only in dicot plants. Here, the importance of Na+ fluxes governed by the SOS system in the salt tolerance of rice was analyzed by a reverse-genetics approach. A sos1 loss-of-function mutant displayed exceptional salt sensitivity that correlated with excessive Na+ intake and impaired Na+ loading into the xylem. Thus, SOS1 controls net Na+ uptake by roots and the long-distance transport to shoots. The acute Na+ sensitivity of sos1 plants at low NaCl concentrations allowed the inspection of the transcriptional response to sodicity stress, without interference by the osmotic challenge intrinsic to high salinity treatments. The transcriptional response to salt of the sos1 mutant roots involved the preferential down-regulation of stress-related genes compared to the wild-type despite the greater intensity of the stress imposed to the mutant, which suggested impaired stress detection or inability to mount a comprehensive response to salinity.
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Project description:Dongxiang wild rice (Oryza rufipogon Griff.) is the progenitor of cultivated rice (Oryza sativa L.) and is well known for its superior level of tolerance against cold, drought and diseases. To date, however, little is known about the salt-tolerant character of Dongxiang wild rice. To elucidate the molecular genetic mechanisms of salt-stress tolerance in Dongxiang wild rice, the Illumina HiSeq 2000 platform was used to analyze the transcriptome profiles of the leaves and roots at the seedling stage under salt stress compared with those under normal conditions. The analysis results for the sequencing data showed that 6,867 transcripts were differentially expressed in the leaves (2,216 up-regulated and 4,651 down-regulated) and 4,988 transcripts in the roots (3,105 up-regulated and 1,883 down-regulated). Among these differentially expressed genes, the detection of many transcription factor genes demonstrated that multiple regulatory pathways were involved in salt stress tolerance. In addition, the differentially expressed genes were compared with the previous RNA-Seq analysis of salt-stress responses in cultivated rice Nipponbare, indicating the possible specific molecular mechanisms of salt-stress responses for Dongxiang wild rice. A large number of the salt-inducible genes identified in this study were co-localized onto fine-mapped salt-tolerance-related quantitative trait loci, providing candidates for gene cloning and elucidation of molecular mechanisms responsible for salt-stress tolerance in rice.
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