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Gene expression in Phytophthora sojae mycelia, germinating zoospores, and during infection of soybean hypocotyls

ABSTRACT: Total RNA extracted from Phytophthora sojae (strain P6497) and infected soybean hypocotyls (cultivar Harosoy) provided template for synthesis of cDNA probes used in the microarray hybridizations. Infected plant hypocotyls were sampled 6 h, 12 h, 24 h, and 48 h after inoculation. Mycelia were grown on synthetic media (H&S) or vegetable juice media (V8). Zoospores were sampled at 0 h, 2 h and 6 h after inducing encystment and germination by agitation. We used microarrays to characterize gene expression patterns in the root rot pathogen Phytophthora sojae and its host Glycine max. Keywords: infection time course, zoospore germination time course, media formulation response

ORGANISM(S): Phytophthora sojae Glycine max

PROVIDER: GSE15100 | GEO | 2009/06/22

SECONDARY ACCESSION(S): PRJNA114887

REPOSITORIES: GEO

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Gene expression in Phytophthora sojae mycelia, germinating zoospores, and during infection of soybean hypocotyls

Project description:Total RNA extracted from Phytophthora sojae (strain P6497) and infected soybean hypocotyls (cultivar Harosoy) provided template for synthesis of cDNA probes used in the microarray hybridizations. Infected plant hypocotyls were sampled 6 h, 12 h, 24 h, and 48 h after inoculation. Mycelia were grown on synthetic media (H&S) or vegetable juice media (V8). Zoospores were sampled at 0 h, 2 h and 6 h after inducing encystment and germination by agitation. We used microarrays to characterize gene expression patterns in the root rot pathogen Phytophthora sojae and its host Glycine max. Keywords: infection time course, zoospore germination time course, media formulation response 28 samples from 9 treatments; 2 to 5 biological replicates per treatment.

2009-06-22 | E-GEOD-15100 | biostudies-arrayexpress

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Project description:Hypocotyls of soybean (Glycine max) seedlings of cultivar Williams were inoculated with mycelia of the oomycete pathogen Phytophthora sojae grown in liquid V8 medium or the hypocotyls were mock inoculated. After 12 hours, the sites of inoculation were excised from the hypocotyls and frozen for RNA extraction. Phytophthora sojae mycelia used for inoculation was saved for RNA extraction also

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H3K27me3 in Phytophthora sojae P6497 and its pssu(z)12 mutant at mycelium stage

Project description:We report the H3K27me3 profile on Avr1b locus in two Phytophthora sojae strains P6497 and pssu(z)12 mutant. Nuclei of Phytophthora sojae P6497 and pssu(z)12 mutant T34 (lost 561bp by CRISPR/Cas9) mycelium (3-days old) was extracted and digested to 200-400bp using micrococcal nuclease (MNase: NEB M0247S). The antibody Millipore 07-449 was used to immunoprecipitation. We find significant accumulation of H3K27me3 at Avr1b locus in Avr1b silencing strain P6497 and clear H3K27me3 depletion at Avr1b locus in Avr1b unsilenced strain pssu(z)12 mutant T34.

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Transcriptomes of two phytophthora species at mycelium stage

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2018-09-29 | GSE116089 | GEO

Project description:Phytophthora sojae genome P6497 (race 2)

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Project description:Phytophthora sojae strain:P6497 Raw sequence reads

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