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Solanum lycopersicum

ABSTRACT: sRNA profiling between the 7B-1 male-sterile tomato and its wild type in response to abiotic stress

PROVIDER: PRJNA275584 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1805790.fastq.gz	Fastqsanger.gz
	SRR1805791.fastq.gz	Fastqsanger.gz

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Solanum lycopersicum

Project description:Transcriptional regulation of male-sterility in 7B-1 male-sterile tomato mutant

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Solanum lycopersicum

Project description:Small RNA profiling during anther development in 7B-1 male-sterile tomato mutant and its wild type

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sRNA profiling between the 7B-1 male-sterile tomato and its wild type in response to abiotic stress

Project description:The RNA-seq was used to identify differentially expressed miRNAs between a male sterile and wild type tomato seedlings in response to abiotic stress

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Project description:The 7B-1 tomato (Solanum lycopersicum L. cv Rutgers) is a male-sterile mutant with enhanced tolerance to abiotic stress, which makes it a potential candidate for hybrid seed breeding and stress engineering. Transcriptomic profiles of the 7B-1 male-sterile and wild type (WT) anthers were studied using mRNA sequencing (RNA-Seq). In total, 768 differentially expressed genes (DEGs) were identified, including 132 up-regulated and 636 down-regulated transcripts. Gene ontology (GO) enrichment analysis of DEGs suggested a general impact of the 7B-1 mutation on metabolic processes, such as proteolysis and carbohydrate catabolic process. Sixteen candidates with key roles in regulation of anther development were subjected to further analysis using qRT-PCR and in situ hybridization. Cytological studies showed several defects associated with anther development in the 7B-1 mutant, including unsynchronized anther maturation, dysfunctional meiosis, arrested microspores, defect in callose degradation and abnormal tapetum development. TUNEL assay showed a defect in programmed cell death (PCD) of tapetal cells in 7B-1 anthers. The present study provides insights into the transcriptome of the 7B-1 mutant. We identified several genes with altered expression level in 7B-1 (including beta-1,3 glucanase, GA2oxs, cystatin, cysteine protease, pectinesterase, TA29, and actin) that could potentially regulate anther developmental processes, such as meiosis, tapetum development, and cell-wall formation/degradation.

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RNA-seq of Solanum Lycopersicum and Solanum Pennellii parents and crosses up to the F4 generation

Project description:This study investigates changes in gene expression among 2 Tomato species and their hybrids. This was used to investigate changes in gene (small-RNA-Seq data in separate submission) and sRNA expression after hybridisation.

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Project description:The RNA-seq was used to identify differentially regulated miRNAs between a male sterile and wild type tomato during anther development.

2015-10-01 | GSE65788 | GEO

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