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Solanum lycopersicum

ABSTRACT: Regulation role of SlNPR1 in tomato plant drought tolerance

PROVIDER: PRJNA573482 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10192964_1.fastq.gz	Fastqsanger.gz
	SRR10192964_2.fastq.gz	Fastqsanger.gz
	SRR10192965_1.fastq.gz	Fastqsanger.gz
	SRR10192965_2.fastq.gz	Fastqsanger.gz
	SRR10192966_1.fastq.gz	Fastqsanger.gz

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The composition and function of chaperone networks in Solanum lycopersicum explored by transcriptome sequencing and microarray meta-analysis

Project description:Heat shock proteins (Hsps) are molecular chaperones primarily involved in maintenance of protein homeostasis. Their function has been best characterized in heat stress (HS) response during which Hsps are transcriptionally controlled by heat stress transcription factors (Hsfs). The role of Hsfs and Hsps in HS-response in tomato was initially examined by transcriptome analysis using the Massive Analysis of cDNA Ends (MACE) method. Approximately 9.6% of all genes expressed in leaves are enhanced in response to HS, including a subset of Hsfs and Hsps. The underlying Hsp-Hsf networks with potential functions in stress responses or developmental processes were further explored by meta-analysis of existing microarray datasets. We identified clusters with differential transcript profiles with respect to abiotic stresses, plant organs and developmental stages. The composition of two clusters points toward two major chaperone networks. One cluster consisted of constitutively expressed plastidial chaperones and other genes involved in chloroplast protein homeostasis. The second cluster represents genes strongly induced by heat, drought and salinity stress, including HsfA2 and many stress-inducible chaperones, but also potential targets of HsfA2 not related to protein homeostasis. This observation attributes a central regulatory role to HsfA2 in controlling different aspects of abiotic stress response and tolerance in tomato. 2 samples

2014-08-01 | E-GEOD-56611 | biostudies-arrayexpress

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Project description:Transcriptome sequencing reveals the effects of green light on tomato drought tolerance

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The composition and function of chaperone networks in Solanum lycopersicum explored by transcriptome sequencing and microarray meta-analysis

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Effect of Penicillium chrysogenum, Penicillium minioluteum, and Serendipita indica on gene expression in Solanum lycopersicum plants under control and drought stress conditions

Project description:Plants coexist in close proximity with numerous microorganisms in their rhizosphere. With certain microorganisms, plants establish mutualistic relationships that can confer physiological benefits to the interacting organisms, including enhanced nutrient assimilation or increased stress tolerance. The root-colonizing endophytic fungi Penicillium chrysogenum, Penicillium minioluteum, and Serendipita indica have been reported to enhance the drought stress tolerance of plants. However, to date, the molecular mechanisms triggered by these fungi in plants remain unexplored. This study presents a comparative analysis of the effects on mock- and fungus-infected tomato plants (var. Moneymaker) under drought stress conditions (40% field capacity) and control conditions (100% field capacity). The findings provide evidence for the induction of common response modules by the fungi.

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Project description:The tomato SlDREB2 transcription factor improves salt stress tolerance in tomato

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Expression data from tomato (Solanum lycopersicum) plants in interaction with different Trichoderma strains

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Transcriptome analyses of a pair of near-isogenic lines (NILs) from the cross Solanum lycopersicum var. cerasiforme (E9) x S. pimpinellifolium line (L5) under multistress conditions

Project description:NILs were created for the detailed genetic mapping of a QTL (gFW9.1) in tomato. Residual heterozygocity in recombinant inbred lines from the cross S. lycopersicum var. cerasiforme (parental accession E9) × S. pimpinellifolium line (parental accession L5) was used for the generation of a pair of NILs of which line E9 had DNA from parent E9 on a large section of chromosome 9 (5-56 Mb), whereas line L5 had parent L5 DNA. These two lines were tested as rootstocks grafted to a common scion (cv. Boludo) in multi-stress conditions - low phosphorus and drought stress compared to high phosphorus and well-watered conditions. RNA for transcriptomic analysis was prepared from root tissues. Secondary use of data: In a study aiming to identify genes that respond to multiple abiotic stresses, microarray data obtained from different plant species and under different stresses was analysed. A number of conserved stress-responsive genes were identified whose expression was differentially regulated in tomato roots in response to one or several stresses. 10 of these genes were validated as reliable biomarkers whose expression levels are related to different signalling pathways involved in adaptive stress responses. This dataset comprises part of the full stress dataset and is for plant roots harvested after growth under low phosphorus and drought conditions, compared to plant roots harvested after growth under sufficient phosphorus and well watered conditions.

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