Leaf spot-associated pathogenic fungi alter photosynthetic, biochemical, and metabolic responses in eggplant during the early stages of infection

Kaniyassery, Arya; Hegde, Madhavi; Sathish, Sudhanva Bhimanakatte; Thorat, Sachin Ashok; Udupa, Srivatsa; Murali, Thokur Sreepathy; Muthusamy, Annamalai

doi:10.1016/j.pmpp.2024.102320

Physiological and Molecular Plant Pathology

2024

DOI: 10.1016/j.pmpp.2024.102320

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Leaf spot-associated pathogenic fungi alter photosynthetic, biochemical, and metabolic responses in eggplant during the early stages of infection

Arya Kaniyassery,

Madhavi Hegde,

Sudhanva Bhimanakatte Sathish

et al.

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2024

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Deciphering the dynamics and trophic mode distribution of the leaf spot-associated fungal community of eggplant (Solanum melongena L.)

Kaniyassery,

Sathish,

Thorat

et al. 2024

Phytopathol Res

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The invasion of phytopathogens impacts the composition and associations of the internal microbial inhabitants. Leaf spot is one of the most devastating diseases in eggplant var. Mattu Gulla which is unique in terms of geographic indication (GI) status. Leaf spot samples (asymptomatic and symptomatic) were collected to characterize the fungal community associated with them using culture-based and next-generation ITS rRNA-based metabarcoding approaches. Both methods showed that Ascomycota and Basidiomycota were the predominant phyla in both groups. In the asymptomatic group, Didymosphaeriaceae, Pleosporaceae, Trichomeriaceae, and Capnodiaceae were the most differentially abundant families. In contrast, Phaeosphaeriaceae, Pleosporaceae, Didymellaceae, Rhynchogastremataceae, and Bulleribasidiaceae were the most differentially abundant families in the symptomatic group. At the genus level, Cladosporium was the most differentially abundant genus in the asymptomatic group. In the symptomatic group Alternaria, Remotididymella, Vishniacozyma, Bulleribasidium, Occultifur, Epicoccum, and Loratospora were the abundant genera. The pathotroph-saprotrophic mode was the most common mode identified in both groups, with an increased abundance in the symptomatic group. Seven fungal families and two genera were identified as common according to the culture-based method and NGS analysis based on ITS rRNA metabarcoding. Our study indicated that the composition of the core microbial community varies with plant health status, and a combination of culturable and next-generation ITS rRNA-based metabarcoding approaches could be a reliable option for obtaining a detailed understanding of plant-associated fungal communities.

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Deciphering the dynamics and trophic mode distribution of the leaf spot-associated fungal community of eggplant (Solanum melongena L.)

Kaniyassery,

Sathish,

Thorat

et al. 2024

Phytopathol Res

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Leaf spot-associated pathogenic fungi alter photosynthetic, biochemical, and metabolic responses in eggplant during the early stages of infection

Cited by 1 publication

References 56 publications

Deciphering the dynamics and trophic mode distribution of the leaf spot-associated fungal community of eggplant (Solanum melongena L.)

Deciphering the dynamics and trophic mode distribution of the leaf spot-associated fungal community of eggplant (Solanum melongena L.)

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