MycoWeekly Newsletter

Your Weekly Dose of Mycology Research

Profilin Pfy1 is critical for cell wall integrity and virulence in Candida albicans.

2025-02-24
Microbiology spectrum • Level 2 (7 panels)
Xun Sun, Yueqing Wang, Xiaomin Yang, Xi Xiang, Lili Zou, Xiaowen Liu, Gang Luo, Qi Han

Profilin, an actin-binding protein, is crucial for Candida albicans morphogenesis and virulence. The study highlights that Pfy1 deletion disrupts hyphal development and cell wall integrity, increasing sensitivity to stressors. Profilin's role in virulence was evident as pfy1Δ/Δ diminished mortality in systemic infections, positioning Pfy1 as a promising antifungal drug target.

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The virulence contribution of the CFEM family genes of Beauveria bassiana is closely influenced by the external iron environment.

2025-03-21
Microbiology spectrum • Level 2 (7 panels)
Xu Zhang, Guang Wang, Bin Chen, Yuejin Peng

The CFEM domain proteins in fungi like Beauveria bassiana play a pivotal role in iron acquisition, influencing fungal virulence. This study reveals that BbCFEM genes' contribution to virulence is modulated by external iron levels, with compensatory gene expression observed upon gene deletions. Findings highlight CFEM’s involvement in stress responses, offering insights into fungal adaptability and pest infection strategies.

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Differential effects of pine wilt disease on root endosphere, rhizosphere, and soil microbiome of Korean white pine.

2025-03-06
Microbiology spectrum • Level 2 (7 panels)
Zehai Hou, Mingwei Wang, Hongwei Xu, Minggang Wang, S. E. Hannula

Pine wilt disease (PWD), caused by pinewood nematodes, severely impacts pine forests. This study reveals PWD's differential effects on the microbiomes of Korean white pine's root endosphere, rhizosphere, and bulk soil. Notably, PWD increases fungal α-diversity in rhizosphere soil, alters microbial community compositions, and affects fungal class abundances, highlighting PWD's ecological impact on soil microbiomes.

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Human MeCP2 binds to promoters and inhibits transcription in an unmethylated yeast genome.

2025-03-18
Genetics • Level 2 (7 panels)
Joshua A. R. Brown, Maggie Y M Ling, Juan Ausió, L. Howe

In a yeast-focused study, MeCP2, a human protein known for binding to methylated DNA, was found to attach to GC-rich, nucleosome-depleted regions in an unmethylated yeast genome. This binding correlates with growth inhibition, suggesting that yeast can effectively model MeCP2's binding dynamics, offering new insights into its role in transcriptional regulation.

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