Ontology highlight
ABSTRACT:
PROVIDER: PRJNA827833 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR18795838_1.fastq.gz | Fastqsanger.gz | |||
| SRR18795838_2.fastq.gz | Fastqsanger.gz | |||
| SRR18795839_1.fastq.gz | Fastqsanger.gz | |||
| SRR18795839_2.fastq.gz | Fastqsanger.gz | |||
| SRR18795840_1.fastq.gz | Fastqsanger.gz |
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Project description:250 adult T. urticae females from the London strain (grown on acyanogenic P. vulgaris cv. Prelude bean plants) were transferred to cyanogenic P. lunatus cv. 8078 bean plants. Thirty-five generations after the host transfer, total RNA was extracted from mites growing on both bean species (London and London-CYANO strain) and used in in a genome-wide gene expression microarray (Sureprint G3 microarray, Agilent) experiment to assess significantly differentially expressed genes (FC M-bM-^IM-% 2 and FDR-corrected p-value < 0.05) between mites grown on P. vulgaris (cv. Prelude) bean plants (London strain) and mites grown for 35 generations on P. lunatus (cv. 8078) bean plants (London-CYANO strain). 4 replicates for one comparison: mites of the London strain grown on P. lunatus for 35 generations (London-CYANO) compared to mites of the London strain grown on P. vulgaris bean plants (London)
2014-04-30 | E-GEOD-50162 | biostudies-arrayexpress
Project description:Purpose: In order to identify genes for steroid 14α-hydroxylase P450lun and its associated redox partner CPRlun in filamentous fungus Cochliobolus lunatus ATCC#12017 Methods: Strand-specific RNA-seq libraries were constructed for two samples, including (I) Mycelia of C. lunatus treated with mock N, N-dimethylformamide (DMF); (II) Mycelia of C. lunatus treated with 170 mg/L 11-deoxycortisol 21-acetate (RSA) dissolved in N,N-dimethylformamide. For preparation of RNA samples, germinated young mycelia of C. lunatus after 22-24 pre-culture in liquid potato dextrose broth medium were harvested and transferred into a new 30 ml potassium phosphate buffer supplement with either 170 mg/L RSA dissolved in DMF, or an equal volume of DMF as mock. Additional two-hours cultivation was performed to induction of the P-450lun gene expression. Total RNA for samples were isolated using TRIzol reagent (Invitrogen, Grand Island, USA), then used for high-throughput RNA sequencing. The two 150-nt strand-specific paired-end RNA-seq libraries were generated commercially at Novogene Biotechnology Co. Ltd (Tianjin, China) by using Illumina’s Hiseq X Ten platform (Illumina, San Diego, USA). The clean reads were used to create a de novo transcriptome assembly using the Trinity pipeline (v2.4.0). The abundance for each of the resulted transcripts was calculated by RSEM (v1.2.0) using the Fragments Per Kilobase per Million (FPKM) method. Results: A total of 7.1 and 7.9 million 150-bp paired-end clean reads were separately generated from the DMF mock and RSA induced samples,and 23957 transcripts with length more than 600nt were assembled from the pooled reads of both samples using Trinity program. The translated sequences of these transcripts were predicted using TransDecoder, and then used as queries to search against the SWISS-PROT and the Pfam databases for functional annotation. Transcripts DN8493 and DN2353 were separately identified as C.lunatus P-450lun and CPRlun genes. Conclusions: The 14β-hydroxylase system of C.lunatus was deciphered by transcriptome analysis.
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Project description:250 adult T. urticae females from the London strain (grown on acyanogenic P. vulgaris cv. Prelude bean plants) were transferred to cyanogenic P. lunatus cv. 8078 bean plants. Thirty-five generations after the host transfer, total RNA was extracted from mites growing on both bean species (London and London-CYANO strain) and used in in a genome-wide gene expression microarray (Sureprint G3 microarray, Agilent) experiment to assess significantly differentially expressed genes (FC ≥ 2 and FDR-corrected p-value < 0.05) between mites grown on P. vulgaris (cv. Prelude) bean plants (London strain) and mites grown for 35 generations on P. lunatus (cv. 8078) bean plants (London-CYANO strain).
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Project description:The aim of this study was to explore epigenetic variations between sugar beet genotypes with distinct bolting tolerance levels and to identify genes that could be involved in sugar beet bolting tolerance. We focused on shoot apical meristem, the site of floral transition, from six sugar beet genotypes that were submitted to 9 weeks of vernalization treatment. This duration of cold exposure allowed bolting in the 3 sensitive genotypes but not in the 3 resistant ones. Single-copy sequences of DNA, potentially enriched in coding sequences, were isolated by Cot analysis and sequenced using Roche's GS-FLX sequencing technology in order to complete public sugar beet databases. Oligonucleotide arrays based on our single-copy sequences (about 42 000 predicted Open Reading Frames (ORFs)) and public database sequences (30 235 ESTs) were designed and used for transcriptomic and methylation analyses. We identified 1580 differentially expressed sequences (DES) and 1526 differentially methylated sequences (DMS) between bolting resistant and bolting sensitive genotypes. Using higher stringency criteria, we focused on 169 DES (with 87 up-regulated in R genotypes and 82 up-regulated in S ones) and 111 DMS (all hyper-methylated in S genotypes). In addition, 14 sequences were found to be both differentially methylated and differentially expressed, exhibiting negative correlation between their methylation and expression. We showed that bolting tolerance involved an integrated network of genes from environment perception, phytohormone signaling to flowering induction.
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Project description:The aim of this study was to identify genes that could be involved in sugar beet bolting tolerance. We focused on shoot apical meristem, the site of floral transition, from six sugar beet genotypes that were submitted to 9 weeks of vernalization treatment. This duration of cold exposure allowed bolting in the 3 sensitive genotypes but not in the 3 resistant ones. Single-copy sequences of DNA, potentially enriched in coding sequences, were isolated by Cot analysis and sequenced using Roche's GS-FLX sequencing technology in order to complete public sugar beet databases. Oligonucleotide arrays based on our single-copy sequences (about 42 000 predicted Open Reading Frames (ORFs)) and public database sequences (30 235 ESTs) were designed and used for transcriptomic and methylation analyses. We identified 1580 differentially expressed sequences (DES) and 1526 differentially methylated sequences (DMS) between bolting resistant and bolting sensitive genotypes. Using higher stringency criteria, we focused on 169 DES (with 87 up-regulated in R genotypes and 82 up-regulated in S ones) and 111 DMS (all hyper-methylated in S genotypes). In addition, 14 sequences were found to be both differentially methylated and differentially expressed, exhibiting negative correlation between their methylation and expression. We showed that bolting tolerance involved an integrated network of genes from environment perception, phytohormone signaling to flowering induction.
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