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Sample GSM1850273 Query DataSets for GSM1850273
Status Public on Aug 14, 2015
Title Ph_Ch rep1
Sample type SRA
 
Source name leaves
Organism Cucumis sativus
Characteristics cultivar: Changchunmici
tissue: leaves
inoculant: Sphaerotheca fuliginea
Treatment protocol Physcion, chrysophanol alone and in combination treatment were applied to the cucumber plants before inoculation at concentrations of 10 mg/L and the surfactant Tween 20 was added in the final dilutions at a concentration of 0.25 g/L, respectively, and solvent-treated (contained 0.5% DMSO and 0.25% Tween 20) plants were used as controls. Inoculated plants were sprayed with a fine mist of S. fuliginea spore suspension eight hours after treatment. After inoculation, plants were incubated at 25◦C and 70% relative humidity until sampling. The fourth leaves of cucumber plants were collected immediately 3 days post-inoculation (dpi) until Solvent-treated plants disease. Each treatment had two or three biological replicates.
Growth protocol The treated seeds were placed in Petri dishes with filter paper at the bottom and two layers of gauze above. Seeds were incubated at 25◦C constant temperature for 24h. When the buds grew about 5mm long, then sown them in plastic pots containing sterilized soil (200 mm in diameter, ten plants per pot) in a growth chamber at 25◦C. When the fourth leaves were fully expanded, the plants were ready for compound treatment and conidium inoculation.
Extracted molecule total RNA
Extraction protocol Cucumber leaves were sampled, flash frozen on dry ice, and RNA was harvested using Trizol reagent. Illumina TruSeq RNA Sample Prep Kit (Cat#FC-122-1001) was used with 3 ug of total RNA for the construction of sequencing libraries.
RNA libraries were prepared for sequencing using standard Illumina protocols
 
Library strategy RNA-Seq
Library source transcriptomic
Library selection cDNA
Instrument model Illumina HiSeq 2000
 
Data processing Raw data (raw reads) of fastq format were firstly processed through in-house perl scripts. In this step, clean data (clean reads) were obtained by removing reads containing adapter, reads containing ploy-N and low quality reads from raw data. All the downstream analyses were based on the clean data with high quality.
Index of the reference genome was built using Bowtie v2.0.6 and paired-end clean reads were aligned to the reference genome using TopHat v2.0.9.
RPKM of each gene was calculated based on the length of the gene and reads count mapped to this gene, considering the effect of sequencing depth and gene length for the reads count at the same time (Mortazavi et al., 2008)
Genome_build: ftp://www.icugi.org/pub/genome/cucumber/Chinese_long/v2/cucumber_ChineseLong_v2_genome.fa.gz
Supplementary_files_format_and_content: tab-delimited text files include RPKM values for each Sample
 
Submission date Aug 13, 2015
Last update date May 15, 2019
Contact name Yanping Li
E-mail(s) [email protected]
Organization name Novogene institue
Street address No 38 Xueqing Road, Haidian Distric
City Beijing
ZIP/Postal code 100083
Country China
 
Platform ID GPL16310
Series (1)
GSE72034 Next Generation Sequencing Facilitates Quantitative Analysis of Physcion and Chrysophanol on cucumber powdery mildew Transcriptomes
Relations
BioSample SAMN03988538
SRA SRX1144383

Supplementary file Size Download File type/resource
GSM1850273_Ph_Ch1_1.txt.gz 261.7 Kb (ftp)(http) TXT
SRA Run SelectorHelp
Raw data are available in SRA
Processed data provided as supplementary file

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