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Lifestyle transitions in plant pathogenic Colletotrichum fungi deciphered by genome and transcriptome analyses
TLDR
Findings show that preinvasion perception of plant-derived signals substantially reprograms fungal gene expression and indicate previously unknown functions for particular fungal cell types.
View on Nature
Association Genetics Reveals Three Novel Avirulence Genes from the Rice Blast Fungal Pathogen Magnaporthe oryzae[W][OA]
TLDR
This large-scale study found significantly more presence/absence polymorphisms than nucleotide polymorphisms among 1032 putative secreted protein genes in M. oryzae isolates, corresponding to five previously known AVR genes, whose products are recognized inside rice cells possessing the cognate R genes.
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The Colletotrichum lagenarium MAP kinase gene CMK1 regulates diverse aspects of fungal pathogenesis.
TLDR
Germinating conidia of cmk1 mutants fail to form appressoria and the mutants are unable to grow invasively in the host plant, which strongly suggests that MAP kinase signaling pathways have general significance for infection structure formation and pathogenic growth in phytopathogenic fungi.
View on PubMed
Comparative genomic and transcriptomic analyses reveal the hemibiotrophic stage shift of Colletotrichum fungi.
TLDR
Identifying expanded classes of genes in the genomes of phytopathogenic Colletotrichum, especially those associated with specific stages of hemibiotrophy, can provide insights on how these pathogens infect a large number of hosts.
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Fungicide activity through activation of a fungal signalling pathway
TLDR
The results strongly suggest that fludioxonil acts as a fungicide, in part, through activation of the MAPK cascade in fungal pathogens.
View on Wiley
Peroxisomal Metabolic Function Is Required for Appressorium-Mediated Plant Infection by Colletotrichum lagenarium
TLDR
It is reported that ClaPEX 6, an ortholog of PEX6, is required for the fungus Colletotrichum lagenarium to infect host plants, and functional analysis revealed that import of PTS1-containing proteins is impaired in clapex6 mutants generated by targeted gene disruption.
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The mitogen-activated protein kinase gene MAF1 is essential for the early differentiation phase of appressorium formation in Colletotrichum lagenarium.
TLDR
Findings suggest that MAF1 is required for the early differentiation phase of appressorium formation, whereas CMK1 is involved in the maturation of appressoria.
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Structural analysis of PKS1, a polyketide synthase gene involved in melanin biosynthesis in Colletotrichum lagenarium
TLDR
It is proposed that the C. lagenarium PKS1 gene encodes a polyketide synthase involved in melanin biosynthesis, particularly that encoded by wA in Aspergillus nidulans, involved in conidial pigmentation.
View on Springer
Novel fungal transcriptional activators, Cmr1p of Colletotrichum lagenarium and Pig1p of Magnaporthe grisea, contain Cys2His2 zinc finger and Zn(II)2Cys6 binuclear cluster DNA‐binding motifs and…
TLDR
The identification of genes for two unique transcription factors, CMR1 (Colletotrichummelanin regulation) and PIG1 (pigment of Magnaporthe), that are involved in melanin biosynthesis are reported that are unique among known eukaryotic transcription factors.
View on Wiley
Regulation of sugar transporter activity for antibacterial defense in Arabidopsis
TLDR
The results reveal that control of sugar uptake, managed by regulation of a host sugar transporter, is a defense strategy deployed against microbial infection.
View on Science
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