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| Penitentes/Pyronema domesticum | |
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| Fruiting bodies of Pyronema domesticum | |
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| Species: | P. domesticum
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Pyronema domesticum is a species of fungi in the genus Pyronema and the family Pyronemataceae. P. domesticum is a pyrophilous fungi, meaning that it appears in areas that have recently burned.[1] A 2021 study using P. domesticum samples isolated from fruiting bodies of the fungus in the aftermath of the 2013 Rim Fire in California's Stanislaus National Forest found that P. domesticum and the other Pyronema species P. omphalodes likely play a critical role in the post-wildfire succession process through mineralization of carbon converting pyrolyzed organic matter (essentially charcoal) into liberated carbon, returning it to the bioavailable carbon pool.[2][3]
P. domesticum is a small cup-shaped fungus, orange to pink in hue. It is able to grow rapidly in a culture, where it can form sclerotia. This ability is one of several traits that distinguishes P. domesticum from P. omphalodes.[4]
"Fruiting bodies of the genus Pyronema are among the first macrofungi to emerge from burned soil, doing so within weeks to months after fire"[2] "Pyronema species strongly dominate soil fungal communities within weeks to months after a fire."[5]
For a long time the source of the carbon pool that fuels the rapid population of Pyronema species (including P. domesticum) after fires was not known: researchers suspected it could be either necromass or...
Chinese cotton contamination[6] Highly resistant to radiation? Probably contaminated in raw cotton materials in the field[7] Recall issued for certain medical sponges[8]
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- ^ Shechet, Ellie (2021-11-28). "This Fire-Loving Fungus Eats Charcoal, if It Must". The New York Times. ISSN 0362-4331. Retrieved 2022-09-20.
- ^ a b Fischer, Monika S.; Stark, Frances Grace; Berry, Timothy D.; Zeba, Nayela; Whitman, Thea; Traxler, Matthew F. (2021). "Pyrolyzed Substrates Induce Aromatic Compound Metabolism in the Post-fire Fungus, Pyronema domesticum". Frontiers in Microbiology. 12. doi:10.3389/fmicb.2021.729289. ISSN 1664-302X. PMC 8579045. PMID 34777277.
{{cite journal}}: CS1 maint: PMC format (link) CS1 maint: unflagged free DOI (link) - ^ "First the Fire, Then the Fungus". Small Things Considered. Retrieved 2022-09-21.
- ^ "Pyronema domesticum CBS 144463 v1.0". Joint Genome Institute - MycoCosm. Retrieved 2022-09-20.
- ^ "Fungal Recyclers: Fungi Reuse Fire-Altered Organic Matter". Energy.gov. Retrieved 2022-09-21.
- ^ "Industry Responds to Pyronema domesticum: HIMA Screening Studies". mddionline.com. 1997-09-01. Retrieved 2022-09-21.
- ^ Aoshuang, Yan (1998-06-01). "Contamination sources of pyronema domesticum on Chinese cotton-based medical products". Radiation Physics and Chemistry. Proceedings of the 10th International Meeting on Radiation Processing. 52 (1): 7–9. doi:10.1016/S0969-806X(98)00026-7. ISSN 0969-806X.
- ^ "Recall of Laparotomy Sponges -- United States, 1993". www.cdc.gov. Retrieved 2022-09-21.