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Water Relations of Xerophilic Fungi Isolated from Prunes
Open accessAbstract
The predominant spoilage fungi of dried and high-moisture prunes were members of the Aspergillus glaucus group and Xeromyces bisporus. Chrysosporium spp. were also important. At the mean pH of prune flesh (3.8) and at 25 C, X. bisporus grew at water activities (a(w)) down to 0.605, and Chrysosporium fastidium grew to 0.686. Germination was always followed by growth, but within the 120-day incubation period, the minimum a(w) permitting asexual sporulation was usually higher than that permitting germination. Sexual sporulation often required an even higher a(w). The water requirements of aspergilli were appreciably greater at this pH than near neutrality, no species germinating below 0.738 a(w). This was probably a consequence of a high spore-death rate during incubation at low a(w) and pH.
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Citations
Cited by
Brown, A. D. (1976) · Bacteriological Reviews · doi:10.1128/br.40.4.803-846.1976 · Cited by 867
Mycotoxin production by Aspergillus, Fusarium and Penicillium species
Sweeney, M. (1998) · International Journal of Food Microbiology · doi:10.1016/s0168-1605(98)00112-3 · Cited by 707
Dichloran-glycerol medium for enumeration of xerophilic fungi from low-moisture foods
Hocking, A. D., & Pitt, J. I. (1980) · Applied and Environmental Microbiology · doi:10.1128/aem.39.3.488-492.1980 · Cited by 379
Self-citationIs there a common water-activity limit for the three domains of life?
Stevenson, A., Cray, J. A., Williams, J. P., Santos, R., Sahay, R., Neuenkirchen, N., McClure, C. D., Grant, I. R., Houghton, J. D. R., Quinn, J. P., et al. (2015) · The ISME Journal · doi:10.1038/ismej.2014.219 · Cited by 329
The biology of habitat dominance; can microbes behave as weeds?
Cray, J. A., Bell, A. N. W., Bhaganna, P., Mswaka, A. Y., Timson, D. J., & Hallsworth, J. E. (2013) · Microbial Biotechnology · doi:10.1111/1751-7915.12027 · Cited by 269
Metadata
- Authors
- Pitt, J. I., & Christian, J. H. B.
- Venue
- Applied Microbiology
- Publisher
- American Society for Microbiology
- Published
- 1968-01-01
- Volume
- 16
- Issue
- 12
- Pages
- 1853-1858
- ISSN
- 0003-6919 (ISSN-L)
- OpenAlex
- W1497200983
- Cited by
- 166
- References
- 0
- FWCI
- 7.71
- Type
- journal article
- Language
- en
- Open access
- diamond
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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