Whole metagenomic sequencing of red pepper fermentation
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ABSTRACT:
PROVIDER: PRJNA473190 | ENA |
REPOSITORIES: ENA
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Project description:Transcriptome from high throughput sequencing-by-synthesis is a good resource of molecular markers. In this study, we present utility of massively parallel sequencing by synthesis for profiling the transcriptome of red pepper (Capsicum annuum L. TF68) by 454 GS-FLX pyrosequencing. Through the generation of approximately 30.63 megabases (Mb) of Expressed Sequence Tags (ESTs) data with the average length of 375 base pairs (bp), 9,818 contigs and 23,712 singletons were obtained by assembly. Using BLAST alignment against NCBI non-redundant and a UniProt protein database, 30% of the tentative consensus sequences were assigned to specific function annotation, while 24% returned alignments of unknown function, leaving up to 46% with no alignment. Functional classification using FunCat revealed that sequences with putative known function were distributed cross 18 categories. Furthermore, over 200 high quality single nucleotide discrepancies were discovered using the Bukang cDNA collection as a reference database. Moreover, 758 simple sequence repeat (SSR) motif loci were mined from over 600 contigs, from which 572 primer sets were designed. The SSR motifs corresponded to di- and tri- nucleotide motifs (27.03 and 61.92%, respectively). These molecular markers may be of great value for application in linkage mapping and association mapping research.
2011-09-08 | GSE29215 | GEO
Project description:Transcriptome from high throughput sequencing-by-synthesis is a good resource of molecular markers. In this study, we present utility of massively parallel sequencing by synthesis for profiling the transcriptome of red pepper (Capsicum annuum L. TF68) by 454 GS-FLX pyrosequencing. Through the generation of approximately 30.63 megabases (Mb) of Expressed Sequence Tags (ESTs) data with the average length of 375 base pairs (bp), 9,818 contigs and 23,712 singletons were obtained by assembly. Using BLAST alignment against NCBI non-redundant and a UniProt protein database, 30% of the tentative consensus sequences were assigned to specific function annotation, while 24% returned alignments of unknown function, leaving up to 46% with no alignment. Functional classification using FunCat revealed that sequences with putative known function were distributed cross 18 categories. Furthermore, over 200 high quality single nucleotide discrepancies were discovered using the Bukang cDNA collection as a reference database. Moreover, 758 simple sequence repeat (SSR) motif loci were mined from over 600 contigs, from which 572 primer sets were designed. The SSR motifs corresponded to di- and tri- nucleotide motifs (27.03 and 61.92%, respectively). These molecular markers may be of great value for application in linkage mapping and association mapping research. 1 sample TF68 accession examined
2011-09-08 | E-GEOD-29215 | biostudies-arrayexpress
Project description:A comparative study to determine the pepper leaf curl virus resistance machanism between resistant and susceptible genotypes at three leaf stage. To study the molecular mechanism of pepper leaf curl virus (PepLCV) resistance, pepper plants were exposed to PepLCV through artificial inoculation and hybridization on Agilent tomato microarrays. The expression analysis of PepLCV resistant and susceptible genotypes after artificial inoculation at three leaf stage showed that the resistance against PepLCV is due to sum of expression of hundreds of genes at a particular stage. Tomato microarrays consisting of 43,803 probes were used for whole genome expression analysis of chilli peppers for resistance against PepLCV. Transcripts from the leaves of resistant (BS-35) and susceptible plants (IVPBC-535) were compared in response to PepLCV inoculation at three leaf stage.
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Project description:A comparative study to determine the pepper leaf curl virus resistance machanism between resistant and susceptible genotypes at three leaf stage. To study the molecular mechanism of pepper leaf curl virus (PepLCV) resistance, pepper plants were exposed to PepLCV through artificial inoculation and hybridization on Agilent tomato microarrays. The expression analysis of PepLCV resistant and susceptible genotypes after artificial inoculation at three leaf stage showed that the resistance against PepLCV is due to sum of expression of hundreds of genes at a particular stage.
2012-10-11 | GSE41131 | GEO
Project description:To facilitate the functional annotation of the pepper genome, we generated 90.84 Gb of RNA-Seq data from 33 libraries representing all major tissue types and developmental stages of Zunla 1, as well as fruits from other accessions with significant phenotypic differences. Pepper ‘Zunla 1’ and other inbred lines were grown in a greenhouse as described in Table S1, with their different developmental stages Plants at full-bloom stage were harvested for roots, stems, and leaves as the same as the samples for phased small RNAs (see text S3.4.2 for details). Mature plants were harvested for unopened flower buds (buds) and fully open flowers (flowers). Additional flowers were allowed to self-pollinate and fruit was harvested at four pre-breaker stages (1-3cm, 3-4cm, 4-5cm fruit length, and mature green), the breaker stage (when the fruit was turning red) and three post-breaker stages (3, 5, and 7 days after breaker). These samples will respectively be referred to as Root, Stem, Leaf, Bud, Flower, F-Dev-1, F-Dev-2, F-Dev-3, F-Dev-4, F-Dev-5, F-Dev-6, F-Dev-7, F-Dev-8, and F-Dev-9. Similar roots, stems, leaves, immature fruit and red fruit were harvested from other inbred lines from domesticated Capsicum species. Meanwhile, chiltepin plants were grown under long days at controlled temperature and RNA was extracted from a mix of leaves from four stages (seedling, early blooming, full bloom, and fruit breaker phases), a mix of flowers from unopened flower buds (buds) and fully open flowers (flowers), and fruit at breaker and breaker plus five days respectively. All tissues were frozen in liquid nitrogen and then stored at -80℃. Total RNA was isolated from different samples by using the Trizol Reagent (Invitrogen) according to manufacturer’s instructions. Strand-specific RNA-Seq library preparations were performed as previously described (39) with 12 independently bar-coded samples sequenced on one lane of an Illumina HiSeq2000 system. The 200 bp paired-end libraries were sequenced using Illumina HiSeq 2000 (90 bp PE).
2014-03-14 | E-GEOD-45037 | biostudies-arrayexpress
Project description:To facilitate the functional annotation of the pepper genome, analysis of miRNAs was performed for the sequenced data from five small RNA libraries described above, representing five different tissues. Starting with a set of 5,436 plant mature miRNA sequences available in miRBase, we annotated with high confidence 176 pepper miRNAs from 64 families, of which 30 families are computationally predicted to target TFs, suggesting important roles of these miRNA families in post-transcriptional gene regulation and transcription networks consistent with previous findings. To identify genomic regions generating small RNAs, we applied previously described analytical strategies to five small RNA libraries from different tissues. Developing roots, stems and mature leaves were collected from plants grown in soil in a green house at 22 °C with a 16 hr light cycle and harvested from plants at full-bloom stage. Mature plants were harvested for fully open flowers. Additional flowers were allowed to self-pollinate and fruit was harvested in the breaker stage (thirty days after pollination when the fruit was turning red). Total RNA for different tissues was isolated from the frozen root samples by using the Trizol Reagent (Invitrogen) according to manufacturer’s instructions, and libraries were constructed using the Small RNA Sample Prep Kit (Illumina, San Diego, CA) as previously described, then sequenced on an Illumina HiSeq2000 system.
2014-03-14 | E-GEOD-45040 | biostudies-arrayexpress