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Gossypium hirsutum

ABSTRACT: G. hursutum seedlings and roots post infection with reniform nematodes infection transcriptome

PROVIDER: PRJNA80149 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR346338.fastq.gz	Fastqsanger.gz
	SRR346339.fastq.gz	Fastqsanger.gz
	SRR346341.fastq.gz	Fastqsanger.gz
	SRR346343.fastq.gz	Fastqsanger.gz
	SRR346344.fastq.gz	Fastqsanger.gz

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Interactions between root knot nematodes and potato

Project description:Plant-parasitic nematodes and especially the root-knot nematodes are ubiquitous pathogens. Eggs of root-knot nematodes (Meloidogyne javanica) were extracted from greenhouse cultures and second-stage juveniles (J2) were hatched in tap, sterile water on 30 µm sieves. Solanum tubersum cv. Desiree explants, i.e., stem including an axillary bud, were sectioned, under sterile conditions from in vitro growing seedlings and transferred to Magenta boxes containing Gamborg's media. Seedlings, 4 weeks post transferring to Gamborg's media were planted in pots containing autoclaved quartz sand. Three weeks later the plants were infected with 3000 M. javanica infective juveniles, applied to the soil in tap, sterile water. Control uninfected plants were mock-inoculated with tap, sterile water. Roots from 6 infected and 6 mock-inoculated plants were collected at a series of time points, including 5, 10 and 15 days post nematode infection/mock inoculation. Roots were observed under the microscope, and nematode feeding sites were selectively dissected, from young lateral roots. To control for the effect of tissue sectioning on gene expression, young lateral roots of the mock inoculated roots were dissected similarly to the infected roots, and collected. Dissected roots were snapped-freeze in liquid nitrogen and immediately stored in -80 C freezer. Total RNA was extracted using Qiagen RNAEasy kit. The experiment for each time point was duplicated, each duplicate derived from independent biological repeat. All RNA samples were amplified using the Ambion kit Message Amp catalog no. 1750, using as starting material 2.5 to 5 µg of total RNA. Keywords: Reference design

2007-09-01 | GSE8209 | GEO

Gossypium hirsutum

Project description:Transcriptome analysis of TOR inhibited cotton seedlings using RNA-Seq

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Gossypium hirsutum

Project description:Genes differentially expressed in fiber 1 day post anthesis (dpa)

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Transcriptomics analyses of Gossypium hirsutum fiber in wild-type and immature fiber mutant

Project description:We performed a comparative genomics approach between im mutant and TM-1 in order to understand the function of im gene reducing the degree of fiber cell wall development. We compared transcriptome profiles of developing fibers (10, 17, and 28 days post anthesis (DPA)) between two NILs using Affymetrix cotton array chip containing 21,854 transcripts.

2014-05-01 | E-MEXP-3901 | biostudies-arrayexpress

Gossypium hirsutum cultivar:Karishma

Project description:Gossypium hirsutum transcriptome under CLCuD infection Raw sequence reads

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Transcriptomics and Metabolomics of 10 - 28 day post anthesis cotton fiber from Gossypium hirsutum and Gossypium barbadense

Project description:Purpose: The goal of this experiment was to use RNA-seq to compare the two commercial cotton species Gossypium hirsutum and Gossypium barbadense and determine what transcripts may account for the better fiber quality in the latter. Methods: RNA was extracted from Gossypium barbadense or Gossypium hirsutum fibers at 10, 15, 18, 21, and 28 days post anthesis. Paired-end, 100-bp RNA-seq was performed on an Illumina HiSeq2000 and the reads were mapped to the Gossypium raimondii genome at www.phytozome.net and non-homologous contig assemblies from Gossypium arboreum. Results from RNA-seq were combined with non-targeted metabolomics. Results: Approximately 38,000 transcripts were expressed (RPKM>2) in each fiber type and approximately 2,000 of these transcripts were differentially expressed in a cross-species comparison at each timepoint. Enriched Gene Ontology biological processes in differentially expressed transcripts suggested that Gh fibers were more stressed. Conclusions: Both metabolomic and transcriptomic data suggest that better mechanisms for managing reactive oxygen species contribute to the increased fiber length in Gossypium barbadense. This appears to result from enhanced ascorbate biosynthesis via gulono-1,4-lactone oxidase and ascorbate recycling via dehydroascorbate reductase. See Bioproject PRJNA263926 and SRA accession SRP049330 for study design and raw sequencing data and Bioproject PRJNA269608 and TSA accession GBYK00000000 for Gossypium arboreum assembled contig sequences used for transcriptome mapping - Cotton fiber mRNA from 10,15,18,21 and 28 day post anthesis fiber from either Gossypium hirusutm or Gossypium barbadense was sequenced and differential gene expression analysis was conducted between species for each timepoint and between adjacent timepoints. Each timepoint was representative of fiber from 9 individual plants processed as 3 biological replicate pools (material from 3 individual plants per pool).

2015-06-26 | E-GEOD-64958 | biostudies-arrayexpress

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