Battle of the bugs: how an oomycete pathogen shapes the microbiota of its host

Rövenich, Hanna; Thomma, Bart P.H.J.

doi:10.1111/nph.19133

New Phytologist

2023

DOI: 10.1111/nph.19133

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Battle of the bugs: how an oomycete pathogen shapes the microbiota of its host

Hanna Rövenich

Bart P.H.J. Thomma

Abstract: This article is a Commentary on Gómez‐Pérez et al. (2023), 239: 2320–2334.

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2024

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Unveiling the microbiome of hydroponically cultivated lettuce: impact of Phytophthora cryptogea infection on plant-associated microorganisms

Vlasselaer,

Crauwels,

Lievens

et al. 2024

FEMS Microbiology Ecology

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Understanding the complex interactions between plants and their associated microorganisms is crucial for optimizing plant health and productivity. While microbiomes of soil-bound cultivated crops are extensively studied, microbiomes of hydroponically-cultivated crops have received limited attention. To address this knowledge gap, we investigated the rhizosphere and root endosphere of hydroponically-cultivated lettuce. Additionally, we sought to explore the potential impact of the oomycete pathogen Phytophthora cryptogea on these microbiomes. Root samples were collected from symptomatic and non-symptomatic plants in three different greenhouses. Amplicon sequencing of the bacterial 16S rRNA gene revealed significant alterations in the bacterial community upon P. cryptogea infection, particularly in the rhizosphere. PerMANOVA revealed significant differences in microbial communities between plants from the three greenhouses, and between symptomatic and non-symptomatic plants. Further analysis uncovered differentially abundant zero-radius operational taxonomic units (zOTUs) between symptomatic and non-symptomatic plants. Interestingly, members of Pseudomonas and Flavobacterium were positively associated with symptomatic plants. Overall, this study provides valuable insights into the microbiome of hydroponically-cultivated plants and highlights the influence of pathogen invasion on plant-associated microbial communities. Further research is required to elucidate the potential role of Pseudomonas and Flavobacterium spp. in controlling P. cryptogea infections within hydroponically-cultivated lettuce greenhouses.

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Unveiling the microbiome of hydroponically cultivated lettuce: impact of Phytophthora cryptogea infection on plant-associated microorganisms

Vlasselaer,

Crauwels,

Lievens

et al. 2024

FEMS Microbiology Ecology

View full text Add to dashboard Cite

show abstract

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Battle of the bugs: how an oomycete pathogen shapes the microbiota of its host

Abstract: This article is a Commentary on Gómez‐Pérez et al. (2023), 239: 2320–2334.

Cited by 1 publication

References 20 publications

Unveiling the microbiome of hydroponically cultivated lettuce: impact of Phytophthora cryptogea infection on plant-associated microorganisms

Unveiling the microbiome of hydroponically cultivated lettuce: impact of Phytophthora cryptogea infection on plant-associated microorganisms

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