2023
DOI: 10.3390/pathogens12111322
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The Cultured Microbiome of Pollinated Maize Silks Shifts after Infection with Fusarium graminearum and Varies by Distance from the Site of Pathogen Inoculation

Michelle E. H. Thompson,
Anuja Shrestha,
Jeffrey Rinne
et al.

Abstract: Styles transmit pollen-derived sperm nuclei from pollen to ovules, but also transmit environmental pathogens. The microbiomes of styles are likely important for reproduction/disease, yet few studies exist. Whether style microbiome compositions are spatially responsive to pathogens is unknown. The maize pathogen Fusarium graminearum enters developing grain through the style (silk). We hypothesized that F. graminearum treatment shifts the cultured transmitting silk microbiome (TSM) compared to healthy silks in a… Show more

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Cited by 2 publications
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“…Isolate R22 was also observed densely colonizing Fg hyphae, including near transition points where Fg was dying (turning from green to red). Isolate R22 contained genes for phenazine biosynthesis, acetoin biosynthesis, and colicin V biosynthesis (Thompson, 2023).…”
Section: Discussionmentioning
confidence: 99%
“…Isolate R22 was also observed densely colonizing Fg hyphae, including near transition points where Fg was dying (turning from green to red). Isolate R22 contained genes for phenazine biosynthesis, acetoin biosynthesis, and colicin V biosynthesis (Thompson, 2023).…”
Section: Discussionmentioning
confidence: 99%