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This is a Quantitative Study study.

September 24, 2025mBioOpen Access

Distinct roles of phytochromes A and B in Aspergillus fumigatus in environmental sensing and pathogenicity

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Analysis reveals FphA as a light sensor, while FphB modulates virulence in Aspergillus fumigatus, suggesting new antifungal targets.

FphA is identified as a light sensor, while FphB significantly increases virulence when deleted, highlighting their distinct roles.
Gene deletion studies showed that loss of FphA had no impact on virulence, whereas FphB deletion increased virulence in an infection model.
Transcriptomic analysis linked FphB to secondary metabolism, particularly affecting biosynthetic pathways in Aspergillus fumigatus.
Findings indicate FphB may act as a regulatory hub for pathogenicity and environmental responses, warranting further investigation.

Leister et al. (2025) studied this question.

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