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

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

ORGANISM(S): Candidatus Phytoplasma asteris

PROVIDER: GSE30302 | GEO | 2012/01/16

SECONDARY ACCESSION(S): PRJNA154787

REPOSITORIES: GEO

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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). Two-condition experiment, phytoplasma-infected plant and phytoplasma-infected insect. Biological replicates: 6 phytoplasma-infected plants and 6 phytoplasma-infected insects, independently grown and harvested. One replicate per array.

2012-01-16 | E-GEOD-30302 | biostudies-arrayexpress

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

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). Two-condition experiment, phytoplasma-infected plant and phytoplasma-infected insect. Biological replicates: 4 phytoplasma-infected plants and 4 phytoplasma-infected insects, independently grown and harvested. One replicate per array.

2012-01-16 | E-GEOD-29274 | biostudies-arrayexpress

'Bois noir' phytoplasma induces significant reprogramming of the leaf transcriptome in the field grown grapevine

Project description:Transcriptional profiling of Vitis vinifera cv. Chardonnay healthy vs. Phytoplasma-infected plants (Bois noir phytoplasma). Study was conducted on grapevine plants grown in the same vineyard (leaf midribs were sampled). Keywords: disease state analysis

2008-03-21 | GSE10906 | GEO

Phytoplasma-responsive small RNAs in Mexican lime trees

Project description:Background: Witches’ broom disease of Mexican lime (Citrus aurantifolia L.), which is caused by the phytoplasma “Candidatus Phytoplasma aurantifolia”, is a devastating disease that results in significant economic losses. Plants adapt to abiotic stresses by regulating gene expression at the transcriptional and post-transcriptional levels. MicroRNAs (miRNAs) are a recently identified family of molecules that regulate plant responses to environmental stresses through post-transcriptional gene silencing. Methods: Using a high-throughput approach to sequence small RNAs, we compared the expression profiles of miRNAs in healthy Mexican lime trees and in plants infected with “Ca. Phytoplasma aurantifolia”. Results: Our results demonstrated the involvement of different miRNAs in the response of Mexican lime trees to infection by “Ca. Phytoplasma aurantifolia”. We identified miRNA families that are expressed differentially upon infection with phytoplasmas. Most of the miRNAs had variants with small sequence variations (isomiRs), which are expressed differentially in response to pathogen infection. Conclusions: It is likely that the miRNAs that are expressed differentially in healthy and phytoplasma-infected Mexican lime trees are involved in coordinating the regulation of hormonal, nutritional, and stress signalling pathways, and the complex interactions between them. Future research to elucidate the roles of these miRNAs should improve our understanding of the level of diversity of specific plant responses to phytoplasmas.

2013-03-09 | GSE44279 | GEO

Transcriptional changes of phytoplasma under host switching between plant and insect

Project description:This SuperSeries is composed of the following subset Series: GSE29274: phytoplasma in plants vs. phytoplasma in insects (single hyb expts) GSE30302: phytoplasma in plants vs. phytoplasma in insects (co-hybridizations) Refer to individual Series

2012-01-16 | E-GEOD-30804 | biostudies-arrayexpress

Digital gene expression (DGE) of PaWB phytoplasma-infected Paulownia witches

Project description:Here we performed a transcriptomic study on PaWB phytoplasma-infected Paulownia sp. using Solexa/Illumina’s high-throughput digital gene expression (DGE) system. 4 DGE libraries (from 2 virus-infected samples and 2 healthy samples) were constructed, and the gene expression variations between the PaWB phytoplasma-infected (diseased) sample and the corresponding healthy sample were compared. Thousands of differentially expressed genes were obtained by the comparison, and KEGG pathway analysis of these genes suggested that many biological processes were responded to PaWB infection.

2014-10-01 | GSE42087 | GEO

Grapevine comparative early transcriptome profiling reveals that Flavescence dorée phytoplasma represses plant responses induced by vector feeding in susceptible varieties

Project description:Flavescence dorée is the most serious grapevine yellows disease in Europe. It is caused by phytoplasmas which are transmitted from grapevine to grapevine by the leafhopper Scaphoideus titanus. Differences in susceptibility among grapevine varieties suggest the existence of specific genetic features associated with resistance to the phytoplasma and/or possibly with its vector. In this work, RNA-Seq was used to compare early transcriptional changes occurring during the three-trophic interaction between the phytoplasma, its vector and the grapevine, represented by two different cultivars, one very susceptible to the disease and the other scarcely susceptible. Background: Flavescence dorée is the most serious grapevine yellows disease in Europe. It is caused by phytoplasmas which are transmitted from grapevine to grapevine by the leafhopper Scaphoideus titanus. Differences in susceptibility among grapevine varieties suggest the existence of specific genetic features associated with resistance to the phytoplasma and/or possibly with its vector. In this work, RNA-Seq was used to compare early transcriptional changes occurring during the three-trophic interaction between the phytoplasma, its vector and the grapevine, represented by two different cultivars, one very susceptible to the disease and the other scarcely susceptible. The comparison of the transcriptomic responses highlighted both passive and active defense mechanisms against the vector and/or the pathogen in the scarcely-susceptible variety, as well as the capacity of the phytoplasmas to repress the defense reaction against the insect in the susceptible variety.

2019-06-13 | E-MTAB-7710 | biostudies-arrayexpress

A knockdown gene approach identifies an insect vector membrane protein with Leucin Rich Repeats as one of the receptors for the VmpA adhesin of flavescence dorée phytoplasma

Project description:The adhesion of flavescence dorée phytoplasma to the midgut epithelium cells of their insect vectors is partially mediated by the Variable Membrane Protein A (VmpA), an adhesin which shows lectin properties. In order to identify the insect receptor for VmpA, we lokked for Euscelidius variegatus cells proteins interacting with recombinant VmpA-His6 by mass spectrometry analysis of VmpA-E. variegatus protein complexes formed upon in vitro interaction assays.

2023-11-06 | PXD046447 | Pride

Phytoplasma-responsive small RNAs in Mexican lime trees

Project description:Background: WitchesM-bM-^@M-^Y broom disease of Mexican lime (Citrus aurantifolia L.), which is caused by the phytoplasma M-bM-^@M-^\Candidatus Phytoplasma aurantifoliaM-bM-^@M-^], is a devastating disease that results in significant economic losses. Plants adapt to abiotic stresses by regulating gene expression at the transcriptional and post-transcriptional levels. MicroRNAs (miRNAs) are a recently identified family of molecules that regulate plant responses to environmental stresses through post-transcriptional gene silencing. Methods: Using a high-throughput approach to sequence small RNAs, we compared the expression profiles of miRNAs in healthy Mexican lime trees and in plants infected with M-bM-^@M-^\Ca. Phytoplasma aurantifoliaM-bM-^@M-^]. Results: Our results demonstrated the involvement of different miRNAs in the response of Mexican lime trees to infection by M-bM-^@M-^\Ca. Phytoplasma aurantifoliaM-bM-^@M-^]. We identified miRNA families that are expressed differentially upon infection with phytoplasmas. Most of the miRNAs had variants with small sequence variations (isomiRs), which are expressed differentially in response to pathogen infection. Conclusions: It is likely that the miRNAs that are expressed differentially in healthy and phytoplasma-infected Mexican lime trees are involved in coordinating the regulation of hormonal, nutritional, and stress signalling pathways, and the complex interactions between them. Future research to elucidate the roles of these miRNAs should improve our understanding of the level of diversity of specific plant responses to phytoplasmas. Small mRNA profiles of healthy (H) and Phytoplasma-infected Mexican lime trees were generated by deep sequencing, six replicate, using Illumina Hiseq2000

2013-03-09 | E-GEOD-44279 | biostudies-arrayexpress

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