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Effects of pH on the comparative culturability of fungi and bacteria from acidic and less acidic forest soils

Title data

Matthies, Carola ; Erhard, Hans-Peter ; Drake, Harold L.:
Effects of pH on the comparative culturability of fungi and bacteria from acidic and less acidic forest soils.
In: Journal of Basic Microbiology. Vol. 37 (1997) Issue 5 . - pp. 335-343.
ISSN 1521-4028
DOI: https://doi.org/10.1002/jobm.3620370506

Abstract in another language

Under aerobic conditions, the culturable microbial population of acidic forest soils was more tolerant to acidic cultivation conditions than was the culturable microbial population of less acidic soils. The number of culturable bacteria decreased sharply under acidic cultivation conditions, while the number of culturable fungi remained relatively constant over the pH range 2.2-6.5. The ratios of culturable bacteria to culturable fungi were greater than one at pH 6.5; in contrast, the bacteria-to-fungi ratios were less than one at pH 2.2-4. At pH's approximating those of the soils examined, culturable fungi predominated the culturable microbial community in acidic soils. However, relative to the populations resolved, acidic forest soils displayed a more acid tolerant bacterial population than did less acidic forest soils. The culturable fungal population contained both filamentous and yeast morphologies. An acid-tolerant fungal isolate that grew at pH 1 was identified as a subspecies of Penicillium frequentans, and an acid-tolerant yeast that grew at pH 2 was identified as the yeast stage of the basidiomycetes Ustilago maydis.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7065
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Ecological Microbiology
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 30 Sep 2015 05:56
Last Modified: 30 Sep 2015 05:56
URI: https://eref.uni-bayreuth.de/id/eprint/19989