Temperature Characteristics of Two <i>Fomitiporia</i> Fungi Determine Their Geographical Distributions in Japan
Two morphologically similar fungi, <i>Fomitiporia torreyae</i> and <i>Fomitiporia punctata</i>, are causal fungi of various tree diseases in Japan and are speculated to be distributed in different climatic zones. Clarifying their distribution ranges and climatic preferences w...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
MDPI AG
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/74e00f237a0348c498046272c199d8b1 |
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| Sumario: | Two morphologically similar fungi, <i>Fomitiporia torreyae</i> and <i>Fomitiporia punctata</i>, are causal fungi of various tree diseases in Japan and are speculated to be distributed in different climatic zones. Clarifying their distribution ranges and climatic preferences would contribute to the prediction of disease occurrences and consideration of controls. In this study, we predicted the present geographical distributions of <i>F. torreyae</i> and <i>F. punctata</i> in Japan using a Maxent species distribution model to analyze our data and previously published collection records. In addition, we examined the importance of temperature on these predictions via jackknife analysis and evaluated the effects of temperature on mycelial growth and survival to elucidate determinants of their distribution. The predicted potential distributions showed that <i>F. torreyae</i> is mainly distributed in warmer areas compared to <i>F. punctata</i>. Jackknife analysis indicated the high importance of temperature variables for each fungal prediction. The two fungi were usually found at locations within upper or lower temperature limits for the growth and survival of each species. These results suggest that temperature is a key determinant of their distributions in Japan. This is the first report to predict fungal distribution based on species distribution modeling and evaluation of fungal physiological characteristics. This study indicates that the projected global warming will influence the future ranges of the two fungal species. |
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