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- W4243399886 abstract "Abstract Phytophthora infestans is a hemibiotroph oomycete that primarily infects tomato. In this study, the growth status and pathogenicity of attenuated and virulent strains of Phytophthora infestans were determined. Furthermore, RNA-seq technology was used to explore the differences in gene transcription levels between attenuated and virulent strains. Gene Ontology (GO) classification and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed on the differentially expressed genes (DEGs) obtained by sequencing, and the significant DEGs related to the growth and pathogenicity of the strains were screened from the significantly enriched pathways. The results revealed that compared with the virulent strain, the growth of the attenuated strain was inhibited, the structure of hyphae was destroyed, and the disease index was decreased. The differences in the growth status and disease index of the attenuated strain were related to changes in several metabolic pathways, and the DEGs in the metabolic pathways indicated alterations in the attenuated strain growth and pathogenicity. There were 2,651 DEGs in the attenuated strain, of which 1,086 were up-regulated and 1,565 were down-regulated. The inhibited growth of the attenuated strain was associated with accumulation of excessive glucose, decomposition of serine/glycine, and reduction of tryptophan synthesis. The reduced pathogenicity of the strain was associated with degradation of the cell wall and reduced formation of melanin and α-keto butyric acid. These results could offer insights into the mechanisms of attenuation of Phytophthora infestans ." @default.
- W4243399886 created "2022-05-12" @default.
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- W4243399886 date "2021-04-20" @default.
- W4243399886 modified "2023-09-26" @default.
- W4243399886 title "Morphological and Transcriptomic Analysis of Attenuated and Virulent Strains of Phytophthora Infestans" @default.
- W4243399886 doi "https://doi.org/10.21203/rs.3.rs-425506/v1" @default.
- W4243399886 hasPublicationYear "2021" @default.
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