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Onion yellows phytoplasma

ABSTRACT: Plant pathogenic bacterium

PROVIDER: PRJNA35289 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
		Other
	DRR067158.fastq.gz	Fastqsanger.gz
	DRR067159.fastq.gz	Fastqsanger.gz
	DRR067160.fastq.gz	Fastqsanger.gz
	DRR067161.fastq.gz	Fastqsanger.gz

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Onion yellows phytoplasma OY-M

Project description:Genome-wide analysis of transcription start sites and promoter motifs of phytoplasma

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Onion yellows phytoplasma OY-M

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'Chrysanthemum coronarium' phytoplasma strain:onion yellows

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Aster yellows witches'-broom phytoplasma

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Genome-Wide Analysis of Putative G-Quadruplex Sequences (PGQSs) in Onion Yellows Phytoplasma (Strain OY-M): An Emerging Plant Pathogenic Bacteria.

Project description:Phytoplasma, an emerging plant pathogen is an endocellular obligate parasite of plant phloem tissues with highly reduced genomes and low GC content. They contain a minimal set of genes essential for survival as an intracellular parasite. The role of G-Quadruplexes in pathogenicity has been reported in a variety of microbial pathogens. Detailed investigation on the genome wide occurrence and distribution of Putative G-Quadruplex forming Sequences (PGQSs) in the AT-rich genome of Onion yellows phytoplasma (strain OY-M) was carried out. Relative enrichment and depletion of these putative secondary structures in different genomic regions of OY-M was investigated with an aim to unravel their association with functionally important genomic locations. PGQSs density of 0.4407/Kbp was detected in the genome of OY-M phytoplasma, which is significantly higher than the average PGQSs density (0.136/Kbp) reported for other members of its phylum, namely Tenericutes. A non-random distribution of PGQSs across the length of the genome was observed. Putative promoter regions of OY-M were found to be particularly enriched in PGQSs followed by genic regions. The repeat rich regions were identified to have minimum PGQSs density. Presence of PGQSs in important genes such as those involved in secretory pathways of virulent factors, transport related functions, rRNA and tRNA was particularly intriguing. Our study reports for the first time a detailed investigation on the genome-wide locations of putative G-Quadruplexes in phytoplasma and highlights the need to further investigate their role in the metabolism and also in the mechanism of pathogenicity.

| S-EPMC6842374 | biostudies-literature

Aster yellows witches'-broom phytoplasma AYWB

Project description:Mycoplasma-like plant pathogen

| PRJNA13478 | ENA

Aster yellows phytoplasma

Project description:Aster yellows phytoplasma overview

| PRJNA188006 | ENA

phytoplasma in plants vs. phytoplasma in insects (co-hybridizations)

Project description:Transcriptional profiling of phytoplasma grown in plant (Chrysanthemum coronarium) and grown in insect (Macrosteles striifrons).

2012-01-16 | GSE30302 | GEO

phytoplasma in plants vs. phytoplasma in insects (single hyb expts)

Project description:Transcriptional profiling of phytoplasma grown in plant (Chrysanthemum coronarium) and grown in insect (Macrosteles striifrons).

2012-01-16 | GSE29274 | GEO

Draft genome sequence of the New Jersey aster yellows strain of 'Candidatus Phytoplasma asteris'.

Project description:The NJAY (New Jersey aster yellows) strain of 'Candidatus Phytoplasma asteris' is a significant plant pathogen responsible for causing severe lettuce yellows in the U.S. state of New Jersey. A draft genome sequence was prepared for this organism. A total of 177,847 reads were assembled into 75 contigs > 518 bp with a total base value of 652,092 and an overall [G+C] content of 27.1%. A total of 733 protein coding genes were identified. This Whole Genome Shotgun project has been deposited at DDBJ/ENA/GenBank under the accession MAPF00000000. This draft genome was used for genome- and gene-based comparative phylogenetic analyses with other phytoplasmas, including the closely related 'Ca. Phytoplasma asteris' strain, aster yellows witches'- broom (AY-WB). NJAY and AY-WB exhibit approximately 0.5% dissimilarity at the nucleotide level among their shared genomic segments. Evidence indicated that NJAY harbors four plasmids homologous to those known to encode pathogenicity determinants in AY-WB, as well as a chromosome-encoded mobile unit. Apparent NJAY orthologs to the important AY-WB virulence factors, SAP11 and SAP54, were identified. A number of secreted proteins, both membrane-bound and soluble, were encoded, with many bearing similarity to known AY-WB effector molecules and others representing possible secreted proteins that may be novel to the NJAY lineage.

| S-EPMC5800598 | biostudies-literature

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