Phytophthora capsici strain:05-06
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ABSTRACT:
PROVIDER: PRJNA891133 | ENA |
REPOSITORIES: ENA
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Project description:ngs2013_07_pcapsici-effecaps-phytophthora capsici-The analysed RNAseq concerned the oomycete Phytophthora capsici in growth on pepper plants. 1/ How the adaptation of a pathogen to a host depends on its gene expression? 2/ How the plant host impacts the expression of pathogen genes at the very beginning of infection?-Two isolates of Phytophthora capsici were used: the Pc107 isolate (called A for adapted to pepper from INRAE GAFL Avignon), and the Pc273 isolate (N for non-adapted to pepper, collected on pumpkin in the USA). Two accessions of pepper (Capsicum annuum L., the host) were used: Yolo Wonder (YW, PM0031), susceptible (S) to Phytophthora capsici, and Criollo de Morelos 334 (CM334, PM0702), partially resistant (R). Inoculations were performed, as described in Lefebvre and Palloix (1996), by putting on the wounded stem a plug of mycelium. Inoculated plants were transferred to a growth chamber at 24°C/22°C temperature on a 12h/12h light/dark cycle. At 24 hours-post-inoculation, 12 total RNA samples were extracted from inoculated plants for the 4 host-isolate interactions: R_A, S_A, R_N and S_N. Each sample consisted of six pooled stem fragments. The stem fragments are the 5-mm region immediately under the visible stem necrosis. Samples were flash-frozen in liquid-nitrogen and stored at -80ºC. They were ground in liquid nitrogen with a cold mortar and pestle. Total RNA was extracted using QIAGEN Rneasy Plant Mini Kit. RNA-seq libraries were constructed at IPS2 POPS platform (France) by TruSeq_Stranded_mRNA_SamplePrep_Guide_15031047_D protocol (Illumina®, California, USA). Sequencing was conducted on an Illumina Hiseq2000 hosted by Genoscope (Evry, France). The RNA-seq samples have been sequenced in paired-end (PE) with a sizing of 260 bp and a read length of 100 bases, lane repartition and barcoding giving approximately 35 million of paired-end reads per sample.
2022-10-24 | GSE206447 | GEO
Project description:Phytophthora capsici Genome sequencing and assembly
| PRJNA1070426 | ENA
Project description:To identify phosphorylated proteins in wild-type and Dicer-like 1 gene deficient mutant of Phytophthora capsici.
2024-03-26 | PXD038523 | Pride
Project description:Identification of proteins in Phytophthora capsici mycelia induced by exogenous compound
2021-11-15 | PXD029739 |
Project description:Phytophthora blight is a highly destructive soil borne disease caused by Phytophthora capsici Leonian, which seriously threatens global pepper production. Grafting is one of the important means to improve plant disease resistance and prevent soil borne diseases in vegetable production. However, the molecular mechanism by which grafting enhances the resistance of pepper to Phytophthora blight is still unclear. This study used Phytophthora capsici resistant strain ‘ZCM334’ and susceptible strain ‘Early Calwonder’ as rootstocks, and ‘Early Calwonder’ as scions for grafting. Phenotypic observation and cytological analysis showed that compared with the ‘Early Calwonder’ self rooted plants, the ‘ZCM334’ grafted plants had a later onset of disease, stronger resistance, and less damage to leaf cells, indicating that grafting can significantly improve the resistance of pepper to Phytophthora capsici. This study identified differentially expressed proteins (DEPs) in the leaves and roots of ‘ZCM334’ grafted plants and ‘Early Calwonder’ self rooted plants through proteomic analysis based on iTRAQ technology, and 478 and 349 DEPs were identified between their leaves and roots, respectively. These DEPs were mainly involved in metabolic process, cellular process, response to stimulus and catalytic activity processes. We identified and screened 12 DEPs with consistent expression trends in the leaves and roots of ‘ZCM334’ grafted plants and ‘Early Calwonder’ self rooted plants, including seven DEPs related to Phytophthora capsici resistance (CA01g31060, CA02g15780, CA02g30850, CA01g11410, CA05g12260, CA03g35150, and CA03g36980) and five proteins with unknown functions (CA01g26190, CA11g10620, CA12g02730, CA01g20890 and CA02g11340). Through qRT-PCR analysis, a significant correlation was observed between the protein and transcript levels of these 12 DEPs, and their expression characteristics were analyzed in the roots and leaves of ‘ZCM334’ grafted plants and ‘Early Calwonder’ self rooted plants at different stages (0h, 12h, 24h, and 36h) after inoculation with Phytophthora capsici. This study provides valuable information for exploring the molecular mechanisms by which grafting enhances the resistance of pepper to Phytophthora blight and the excavation of these key genes provides research ideas for studying the regulatory network of pepper resistance to Phytophthora capsici.
2024-05-24 | PXD045628 | Pride