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Pseudomonas syringae pv. actinidiae

ABSTRACT: Pseudomonas syringae pv. actinidiae Transcriptome, OmpR-like (CN228_RS13375) mutants

PROVIDER: PRJNA871803 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21154557_1.fastq.gz	Fastqsanger.gz
	SRR21154557_2.fastq.gz	Fastqsanger.gz
	SRR21154558_1.fastq.gz	Fastqsanger.gz
	SRR21154558_2.fastq.gz	Fastqsanger.gz
	SRR21154559_1.fastq.gz	Fastqsanger.gz

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The regulons of an OmpR-like transcription factor in Pseudomonas syringae pv. Actinidiae

Project description:A ChIP-seq assay was performed to identify the regulons of an ompR-like transcription factor (gene name: 13375, GenBank: AYL80818.1) in Pseudomonas syringae pv. actinidiae. An 13375-overexpressing mutant G1-OE13375, which constitutively express C-terminally Myc-tagged ompR-like gene in the 13375-deletion mutant G1Δ13375, was used in this study. The bacterial cells were cultured either in nutrition-rich KB medium or hrp-derepressing medium (HDM) at 25 C for 24 hours. A PierceTM Magnetic ChIP Kit (Cat. #: 26157, Thermo Fisher Scientific) and a ChIP-grade Myc-Tag Monoclonal Antibody (Myc.A7, Cat. #: MA121316, Thermo Fisher Scientific) were used for sample pretreatment and immunoprecipitation.

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Gene regulatory networks of kiwifruit response to Pseudomonas syringae pv. actinidiae

Project description:To study the responses of kiwifruit to Pseudomonas syringae pv. actinidiae, one-year-old potted seeding A. c. var. deliciosa cultivar ‘Jinkui’ and the pandemic Pseudomonas syringae pv. actinidiae bacterial strain JF8 (CCTCC AB2018305) were used for this study. This bacterial strain was originally isolated from A. c. var. chinensis cultivar ‘Jinfeng’ and further characterized . Plants were maintained in an aseptic room, with 95% of relative humidity, have natural light and no further fertilization after their receiving from the nursery. For inoculation, the P. s.pv. actinidiae strain was streaked on nutrient-sucrose agar (NSA) and incubated at 25 °C for 48-h. Ten microliters of a bacterial suspension (1-2×107cfu/mL) prepared in sterile 0.85 % w NaCl were inoculated in the plants chosen for investigation. The bacterial suspension was sprayed to entirety tree. In parallel, control plants were treated in the same way with sterile 0.85 % w NaCl solution. The inoculated and control plants were randomly distributed in the room at 15 ± 3 °C. 24-h after inoculation, ‘Jinkui’ leaves were sampled from the infected and control plants for further analyses. Each sample consisted of the leaves of one tree. Three biological replicates were used for each line.

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Whole-transcriptome microarray analysis of Pseudomonas syringae pv. actinidiae CRAFRU 8.43 and Pseudomonas syringae pv. tomato DC3000 grown in apoplast-like conditions supplemented or not with kiwifruit or tomato extract

Project description:Purpose: The outcome of host–pathogen interactions is thought to reflect the offensive and defensive capabilities of both players. When plants interact with Pseudomonas syringae, several well-characterized virulence factors contribute to early bacterial pathogenicity, including the type III secretion system (T3SS), which must be activated by signals from the plant and environment to allow the secretion of virulence effectors. The manner in which these signals regulate T3SS activity is still unclear. Conlusion: the analysis revealed that the perception of plant signals from kiwifruit or tomato extracts anticipates T3SS expression in P. syringae pv. actinidiae compared to apoplast-like conditions

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