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Colletotrichum

ABSTRACT: Species from the Colletotrichum orbiculare species complex Genome sequencing and assembly

PROVIDER: PRJNA445190 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	QAPF01.dat.gz	Other
	QAPF01.fasta.gz	Fasta.gz
	QAPF01.master.dat	Other
	QAPG01.dat.gz	Other

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Analysis of Colletotrichum orbiculare infection of N. benthamiana

Project description:Species from the genus Colletotrichum are the causal agents of anthracnose which contribute to significant losses to the production of commercially grown crops. The genomes of Colletotrichum orbiculare, which infects cucurbits and Nicotiana benthamiana, as well as Colletotrichum gloeosporioides, which infects a wide range of fruits and vegetables, were sequenced. A custom microarray was designed for Colletotrichum orbiculare and used to assess gene expression during infection of Nicotiana benthamiana. Gene expression of Colletotrichum orbiculare growing on its host Nicotiana benthamiana was assessed at 24 hours post inoculation, 3 days post inoculation and 7 days post inoculation. Mycelia growing in vitro and ungerminated conidia were used as controls. Three replicates were performed for each time point.

2013-04-09 | GSE39714 | GEO

Colletotrichum orbiculare

Project description:Colletotrichum orbiculare Transcriptome or Gene expression

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Colletotrichum

Project description:Multiple isolates from the Colletotrichum gloeosporioides species complex Genome sequencing and assembly

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Colletotrichum orbiculare

Project description:Transcriptome analysis of Colletotrichum orbiculare during host infection

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Colletotrichum orbiculare

Project description:Analysis of Colletotrichum orbiculare infection of N. benthamiana

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A parasitic fungus employs mutated eIF4A to survive on rocaglate-synthesizing Aglaia plants

Project description:Plants often generate secondary metabolites with antifungal properties as defense mechanisms against parasites. Although some fungi may potentially overcome the barrier of antimicrobial compounds, only a limited number of examples and molecular mechanisms of resistance have been reported. Here, we found an Aglaia plant-parasitizing fungus that overcomes the toxicity of rocalgates, which are translation inhibitors synthesized by the plant, through an amino acid substitution in a translation initiation factor (eIF). De novo transcriptome assembly of the fungus revealed that eIF4A, a molecular target of rocaglates, replaces a critical amino acid in the rocaglate binding site. Moreover, genome-wide ribosome profiling harnessing a cucumber-infecting fungus, Colletotrichum orbiculare, demonstrated that the translational inhibitory effects of rocaglates were largely attenuated by the mutation found in the Aglaia parasite. The engineered Colletotrichum orbiculare showed a survival advantage on cucumber plants with rocaglates. Our study exemplifies a plant-fungus tug-of-war centered on secondary metabolites produced by host plants.

2023-02-20 | GSE200060 | GEO

Colletotrichum spp.

Project description:Comparative genomics of Colletotrichum gloeosporioides species complex

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Colletotrichum orbiculare MAFF 240422 strain:104-T

Project description:Colletotrichum orbiculare MAFF 240422 strain:104-T Genome sequencing and assembly

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The RNAi machinery in Colletotrichum higginsianum has a role in antiviral defense [RNAi_mutants_smallRNA]

Project description:Here we describe the identification and regulation of a novel dsRNA virus in Colletotrichum higginsianum. High throughput sequencing of small RNAs and strand-specific RNA-seq was performed on single gene knock-out mutants created for each RNAi component gene: rdr1, rdr2, rdr3, dcl1, dcl2, ago1, and ago2, and the double mutant: ∆dcl1∆dcl2. De novo assembly of the ∆dcl1 RNA-seq data identified two contigs that represented the forward and reverse strands of an uncharacterized dsRNA virus, designated here as Colletotrichum higginsianum non-segmented dsRNA virus 1 (ChNRV1). We found increased presence of the viral RNA in the RNA-seq datasets of the ∆dcl1, ∆dcl1dcl2, and ∆ago1 strains, suggesting that these genes are required for control of the virus. We show that viral small RNAs co-immunoprecipitate with a 6xFLAG-3xHIS-tagged AGO1 protein by sequencing the small RNAs from immunoprecipitated fractions. Additionally, analyses of the small RNA datasets from the RNAi mutants revealed control of the virus through small RNA-mediated silencing required both AGO1 and DCL1.

2016-04-28 | GSE62705 | GEO

Colletotrichum orbiculare

Project description:Analysis of Colletotrichum orbiculare whi2Δ mutant infection of Cucumis sativus at 4hpi

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