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ToLCKV

ABSTRACT: An evolved begomovirus complex infecting tomato in Pakistan, an outcome of recent trade

PROVIDER: PRJEB12468 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	GCA_900079195.1_sequence_report.txt	Txt
	GCA_900079205.1_sequence_report.txt	Txt
	GCA_900079215.1_sequence_report.txt	Txt
	GCA_900079225.1_sequence_report.txt	Txt
	GCA_900079235.1_sequence_report.txt	Txt

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Constitutive activation of the receptor-like kinase NIK impairs translation and confers tolerance to begomovirus infection

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Constitutive activation of the receptor-like kinase NIK impairs translation and confers tolerance to begomovirus infection

Project description:To generate an efficient defense against begomovirus, we modulated the activity of the immune defense receptor NIK (NSP-Interacting Kinase) in tomato plants; NIK is a virulence target of the begomovirus NSP during infection. Replacing threonine-474 with aspartate (T474D) within the kinase activation loop promoted the constitutive activation of NIK-mediated defenses. This activation resulted in the down-regulation of translation-related genes and the suppression of global translation in T474D-overexpressing tomato lines. We also found that T474D-induced defense-related transcripts were associated with polysomes and immune proteins, which accumulated to detectable levels in T474D leaves. Consistent with these findings, T474D transgenic lines were tolerant to the tomato-infecting begomoviruses ToYSV and ToSRV. We propose that NIK mediates an anti-viral response via translation suppression and immune system induction. Global variation on gene expression induced by NIK expression and virus infection using total RNA from mock-inoculated and ToYSV-infected tomato wild-type plants, mock-inoculated and infected 35S::NIK1-4 overexpressing lines and mock-inoculated and infected 35S::T474D overexpressing lines. File map_itag23.csv correlates the ITAG 2.3 cDNA ID with the 21 bp reads in file Profiles_with_differential_expressions.csv.

2013-12-17 | E-GEOD-38028 | biostudies-arrayexpress

A Crop Plant Integrates and Coordinates its Defenses to Cope with the Attack by Begomovirus and Whitefly

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Project description:We report the global profile of ribosome profilig to reveal the in vivo translation initiation sites of tomato-infecting virus.

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Project description:Tomato leaf curl New Delhi virus (ToLCNDV) ssDNA plant begomovirus (Family geminiviridae) isolated from Potato in Pakistan.

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Transcriptome analysis of Clavibacter michiganensis subsp. michiganensis infected tomato seedlings

Project description:The gram- positive bacterial pathogen Clavibacter michiganensis subsp. michiganensis (Cmm) causes huge economic losses by infecting tomato plants worldwide. Cmm can be spread by contaminated seeds and transplants, penetrating the plant through natural openings or wounds and is transferred through the plant xylem. While in recent years significant progress has been made to elucidate plant responses to pathogenic gram-negative bacteria by gene expression studies, the molecular mechanisms that lead to disease symptoms caused by gram-positive bacteria like Cmm remain elusive. An indigenous virulent Cmm strain isolated from a farm crop of Pomodoro tomatoes in southern Greece was used for the infection of EKSTASIS F1 hybrid tomato seedlings. Here, we present the results of a deep RNA- sequencing (RNA-seq) analysis performed to characterize the dynamic expression profile of tomato genes upon Cmm infection.

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