Journal
AUTOPHAGY
Volume 19, Issue 3, Pages 747-757Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15548627.2022.2098452
Keywords
Fission; fungi; mitochondria; mitophagy; pathogenesis; quantity and quality control
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Mitophagy, an important cellular process, is critical for maintaining mitochondrial quality control. While its role has been well-studied in mammalian cells and certain model organisms, the significance of mitophagy in fungi, especially pathogenic filamentous fungi, is still in its early stages. Recent studies have found that mitophagy plays a vital role in spore production, vegetative growth, and virulence of pathogenic fungi.
Mitophagy, as one of the most important cellular processes to ensure quality control of mitochondria, aims at transporting damaged, aging, dysfunctional or excess mitochondria to vacuoles (plants and fungi) or lysosomes (mammals) for degradation and recycling. The normal functioning of mitophagy is critical for cellular homeostasis from yeasts to humans. Although the role of mitophagy has been well studied in mammalian cells and in certain model organisms, especially the budding yeast Saccharomyces cerevisiae, our understanding of its significance in other fungi, particularly in pathogenic filamentous fungi, is still at the preliminary stage. Recent studies have shown that mitophagy plays a vital role in spore production, vegetative growth and virulence of pathogenic fungi, which are very different from its roles in mammal and yeast. In this review, we summarize the functions of mitophagy for mitochondrial quality and quantity control, fungal growth and pathogenesis that have been reported in the field of molecular biology over the past two decades. These findings may help researchers and readers to better understand the multiple functions of mitophagy and provide new perspectives for the study of mitophagy in fungal pathogenesis.
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