Effect of cyanobacterial growth on biotite surfaces under laboratory nutrient-limited conditions

Dana Kapitulčinová*, C. S. Cockell, K. R. Hallam, Kristín Vala Ragnarsdóttir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Laboratory experiments with two cyanobacterial strains grown on low-nutrient agar media in the presence of biotite flakes were performed in order to reveal possible mechanisms and rates of cyanobacterial bioweathering. Both cyanobacteria colonized the biotite flakes. Leptolyngbya grew mostly in the biotite interlayers, whereas Hassallia colonized the sides and the topmost surface of the biotite flakes. After a 3-month incubation, rounded features including cyanobacterium-shaped pits were observed on the biotite surface cleared of the organic material. No such features were observed on flakes incubated for 1 month.

Original languageEnglish
Pages (from-to)71-75
Number of pages5
JournalMineralogical Magazine
Volume72
Issue number1
DOIs
Publication statusPublished - 2008

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