Ontology highlight
ABSTRACT:
PROVIDER: PRJNA789050 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR17234800_1.fastq.gz | Fastqsanger.gz | |||
| SRR17234800_2.fastq.gz | Fastqsanger.gz | |||
| SRR17234801_1.fastq.gz | Fastqsanger.gz | |||
| SRR17234801_2.fastq.gz | Fastqsanger.gz | |||
| SRR17234802_1.fastq.gz | Fastqsanger.gz |
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Project description:Pepper fruits at four different developmental stages were collected: early fruit [EF; 1 cm long; 7 days after pollination (dap)], mature green fruit (MG; 6-7 cm length; 20 dap), breaking or turning red fruit (BR; fruit are partially red; 35 dap), and red ripe fruit (RR; fully red; 40 dap). Tomato fruits at corresponding developmental stages were also collected: EF (less than 1cm; 7 dap), MG (40 dap), BR (50 dap), and RR (55 dap). For the monitoring of fruit-specific and fruit ripening-related genes, we did array hybridization by using the leaves as a common reference and each corresponding fruit developmental stage sample.
2005-03-01 | E-MEXP-260 | biostudies-arrayexpress
Project description:Pear fruit transcriptome of different developmental stages
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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).
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Project description:The quality of the pepper fruit is significantly influenced by the properties of its surface such as color, glossiness and texture. The fruit surface is composed of a peel containing several layers including the cuticle, epidermis and the hypodermis. The peel acts as a protective barrier against biotic and abiotic stresses and is the most critical tissue affecting water loss during post harvest storage. The peel is composed of an outer epidermis with thick waxy (lipid) cuticle and few cell layers of thick-walled hypodermal cells. Despite its agronomic importance and due to the fact that the majority of studies in fruits have been conducted using flesh and peel tissues as a whole, the biochemical and genetic bases of variation in peel properties are largely unknown. In this proposal we aim to determine peel-specific gene expression in pepper by micro array hybridizations of peel and flesh RNA extracted at different developmental stages of the fruit. The cultivar Celica (Capsicum annuum) that has a large blocky fruit will be used for studying gene expression in the peel and flesh. Plants were grown in the greenhouse during the spring of 2006. Fruits were harvested at three developmental stages: young- 10 days after anthesis, mature green- 30 days after anthesis and ripe red- 45 days after anthesis. These stages were chosen because each represents a distinct phase in fruit development. At each stage, a biological replicate consists of bulked tissue from 3 fruits from each of 3 plants (a total of 9 fruits). We have a total of 4 biological replicates. For each fruit, the peel was separated from the flesh by manual dissection using thin forceps and scalpel blade. Peel and flesh samples were immediately frozen in liquid nitrogen and stored at -800C until RNA extraction. Total RNA was extracted using the GenElute Mammalian Total RNA Miniprep kit (Sigma). Keywords: Reference design
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