期刊
CURRENT GENETICS
卷 62, 期 3, 页码 533-545出版社
SPRINGER
DOI: 10.1007/s00294-016-0578-2
关键词
Secretion; Effectors; Nutrient regulation; Signal transduction; Fungal pathogenesis; Biomass degradation
资金
- Natural Sciences and Engineering Research Council of Canada [RGPIN 41758]
- Canadian Institutes of Health Research [MOP-13234]
- National Institute of Allergy and Infectious Diseases [R01 AI053721]
- Natural Sciences and Engineering Research Council of Canada
- University of British Columbia
- Burrough Wellcome Scholar Award in Molecular Pathogenic Mycology
The ability of countless representatives of the Kingdom Fungi to adapt to and proliferate in diverse environments is facilitated by regulation of their secretomes to respond to changes in environmental conditions and to mediate interactions with other organisms. Secretome changes often fulfill common functions of nutrient acquisition, facilitation of host/symbiont interactions, cell wall modification, and optimization of the enzyme suite to adapt to new environmental resources. In this review, we expand on our recent work on signaling and the secretome in the pathogenic fungus Cryptococcus neoformans to consider a range of selected examples of regulation of fungal secretomes. These examples include the impact of carbon source and aspects of the response to plant and animal hosts. Additionally, the influence of key protein kinases (e.g., Pka1, Snf1) and transcription factors (e.g., Rim101/PacC) is highlighted to illustrate some underlying regulatory factors influencing the secretome. Although there is a wealth of information about fungal secretomes from both experimentation and genome sequence mining, there are also major gaps in our knowledge about the complete composition of fungal secretomes and mechanisms of dynamic change. For example, a more comprehensive understanding of the composition and regulation of the secretome will require consideration of the emerging roles of unconventional secretion and extracellular vesicles in delivering proteins outside the cell. Overall, changes in the secretome are well documented in diverse fungi and the underlying mechanisms are currently under investigation; however, there remain unknown steps in the regulation of secretory pathways and gaps in understanding the regulation of unconventional secretion, which warrant further research.
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