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Sample GSM2986283 Query DataSets for GSM2986283
Status Public on Oct 01, 2019
Title YE8001
Sample type SRA
 
Source name 5-DAP kernel
Organism Zea mays
Characteristics inbred lines: YE8001
tissue: kernel
developmental stage: 5 day after pollination
Growth protocol A maize association mapping population consists of 318 inbred lines, including tropical, subtropical and temperate germplams was planted in one-row plots and incompletely randomized block design with three replicates in Hainan province of China in 2014. Eight ears in each block were self-pollinated, and 10-20 seeds from three to four ears in each block were collected at 5 DAP.
Extracted molecule polyA RNA
Extraction protocol The collected seeds in three replications were mixed for total RNA preparation. Total RNA was extracted using RNAprep pure Kit For Plant (TIANGEN, Beijing, China) according to its protocol. Total mRNAs were accumulated using oligo(dT).
Library construction was following the standard protocol (Illumina, Inc.), and pair-end sequencing with 125 bp was carried out for each sample.
 
Library strategy RNA-Seq
Library source transcriptomic
Library selection cDNA
Instrument model Illumina HiSeq 2500
 
Data processing Sequenced reads were cleaned after removing low quality sequences and adapter. Then cleaned reads were mapped to maize B73 AGPv3 reference genome using tophat2 software with the following key parameters: “-i 5 -I 60000 --library-type fr-unstranded -r 250 --mate-std-dev 60 --no-novel-juncs --microexon-search”. The insertion size (-r) and standard deviation (--mate-std-dev) of paired reads were estimated using “CollectInsertSizeMetrics.jar” plugin in picard tools (http://picard.sourceforge.net). Only reads that are uniquely mapped to the genome were retained for further analysis
Reads count of annotated genes (AGPv3.27) were calculated using R packages “GenomicFeatures” and “GenomicAlignments”. DESeq2 package were used to normalize the reads count among samples and to calculate the FPKM value of genes.
Genome_build: maize B73 (AGPv3 )
Supplementary_files_format_and_content: tab-delimited text files include reads counts or FPKM values for each Sample
 
Submission date Feb 07, 2018
Last update date Oct 01, 2019
Contact name Junling Pang
E-mail(s) pjl_happy@126.com
Organization name Chinese Academy of Agricultural Sciences
Street address No.12 Zhongguancun South St.,Haidian District
City Beijing
ZIP/Postal code 100081
Country China
 
Platform ID GPL17628
Series (1)
GSE110315 eQTL analysis of 5 DAP maize kernel
Relations
BioSample SAMN07759705
SRA SRX3286809

Supplementary data files not provided
SRA Run SelectorHelp
Raw data are available in SRA
Processed data are available on Series record

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