Transcriptome deep sequencing (RNA-seq) analysis on 9 DPA fibers from wild type and GhWRKY16-RNAi
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ABSTRACT:
PROVIDER: PRJNA729992 | ENA |
REPOSITORIES: ENA
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Project description:To explore the regulation mechanism of GhWRKY16 in fiber development, we performed a transcriptome deep sequencing (RNA-seq) analysis on 9 DPA fibers from wild type and GhWRKY16-RNAi seeds. We identified 2,186 differentially expressed genes (DEGs), consisting of 1,088 upregulated genes and 1,098 downregulated genes Gene ontology (GO) cluster analysis showed that the DEGs regulated by GhWRKY16 are classified in diverse molecular functions, cellular components and biological processes.
2021-05-14 | GSE174452 | GEO
Project description:Purpose: To identify genes regulated by SlDOF1 during fruit ripening, we performed RNAseq experiments with three biological replicates and compared the transcriptom profiles of SlDOF1-RNAi and wild-type fruit at breaker stage. Methods: Expression profiles of wild-type (wt) and SlDof1-RNAi fruits (SlDof-8-RNAi) at 38 days after poliation (dpa) were generated by deep sequencing with three replicates using Illumina HiSeqTM 2000. RNA-seq reads obtained from the replicate were further filtered and aligned against the whole tomato genome. Differential expressed genes between samples were defined by DESeq software using two separate models, based on PPEE > 0.05 and false discovery rate (FDR)<0.001. Quantitative RT–PCR was performed using SYBR Green assays. Results: A total of 1728 differentially expressed genes were identified in the SlDof1 RNAi fruit compared with the wild type and among them were a number of ripening-relate genes.
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Project description:Expression data from 10 DPA fibers
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Project description:Gene expression profiling of wild-type and Li2 mutants were investigated with Affymetrix cotton Genome Array focused primarily on time-points related to fiber elongation, more specifically, 8 and 12 days post anthesis (DPA). These time points typically represent peak rates of elongation and the beginning of the transition stage when fibers are still elongating at lower rates. An additional time-point day of anthesis (DOA) was added to the microarray experiment to serve as a reference and also to confirm that there were no significant differences in fiber initiation at the gene expression level.
2012-07-05 | E-MEXP-3306 | biostudies-arrayexpress
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Project description:The G. hirsutum mutant li1 is caused by a dominant mutation which has pleiotropic effects on plant development. To get information for molecular effects by li1 mutation on cotton fiber development, we examined expression patterns of over 5000 genes by cDNA array from 6 to 18 DPA in a 3-day interval between li1 mutant and normal fibers. RNAs from li1 mutant fibers at 6-, 9-, 12-, 15-, and 18-DPA were compared to normal fiber RNA at each corresponding time points. Four biological repeats were carried out including two dye-swap ones.
2010-07-01 | E-GEOD-4643 | biostudies-arrayexpress
Project description:Upland cotton (Gossypium hirsutum L.) is one of the world’s most important fiber crops, accounting for more than 90% of all cotton production. While their wild progenitors have relatively short and coarse, often tan-colored fibers, modern cotton cultivars possess longer, finer, stronger, and whiter fiber. In this study, the wild and cultivated cottons (YU-3 and TM-1) selected show significant differences on fibers at 10 day post-anthesis (DPA), 20 DPA and mature stages at the physiological level. In order to explore the effects of domestication, reveal molecular mechanisms underlying these phenotypic differences and better inform our efforts to further enhance cotton fiber quality, an iTRAQ-facilitated proteomic methods were performed on developing fibers. There were 6990 proteins identified, among them 336 were defined as differentially expressed proteins (DEPs) between fibers of wild versus domesticated cotton. The down- or up-regulated proteins in wild cotton were involved in Phenylpropanoid biosynthesis, Zeatin biosynthesis, Fatty acid elongation and other processes. Association analysis between transcroptome and proteome showed positive correlations between transcripts and proteins at both 10 DPA and 20 DPA. The difference of proteomics had been verified at the mRNA level by qPCR, also at physiological and biochemical level by POD activity determination and ZA content estimation. This work corroborate the major pathways involved in cotton fiber development and demonstrate that POD activity and zeatin content have a great potential related to fiber elongation and thickening.
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Project description:The G. hirsutum mutant li1 is caused by a dominant mutation which has pleiotropic effects on plant development. To get information for molecular effects by li1 mutation on cotton fiber development, we examined expression patterns of over 5000 genes by cDNA array from 6 to 18 DPA in a 3-day interval between li1 mutant and normal fibers. Keywords: Mutant and normal fiber comparison
2006-04-12 | GSE4643 | GEO
Project description:affy_cotton_2011_12 - affy_cotton_2011_12 - In this study we characterized the fiber transcriptomes of the two species, Gossypium hirsutum and Gossypium barbadense that were parental genotypes of a RIL mapping population used previously for phenotypic QTL and expression QTL mapping., We used 454 deep pyrosequencing to characterize cDNAs from developing fibers at two key developmental time-points; 10 and 22 days post anthesis. A unigene set was assembled and annotated, and differential digital gene expression was assessed from the different time-point and genotype representations of the reads within assembled contigs. As a complementary approach, we conducted microarray-based hybridization profiling using the cotton Affymetrix gene chip and labeled cDNAs from fibers at 11 dpa and for the same two genotypes and compared differentially expressed genes identified by the two platforms. The 454 unigenes were also mined for the presence of microsatellite repeats and SNPs that will be useful markers for mapping and marker-assisted selection in cotton improvement.-Total RNA was extracted from 11 dpa-old fibers from the two genotypes, Guazuncho 2 (Gossypium hirsutum) and VH8-4602 (G. barbadense), and included two replicates of each. RNA was checked for quality and quantity using an Agilent Bioanalyser 2100 (Agilent Technologies, Santa Clara, CA, USA, http://www.home.agilent.com) following the manufacturer’s recommendations. The RNA was sent to the Australian Genome Research Facility Ltd. (http://www.agrf.org.au, Melbourne, Victoria, Australia) for labeling and hybridization to the Affymetrix Genechip® Cotton Genome Array (21,854 genes) (Affymetrix, http://www.affymetrix.com/). - 4 arrays - Cotton; x comparison between two genotypes in cell type This represents the gene expression component of the study only
2012-10-03 | E-GEOD-36876 | biostudies-arrayexpress