Influence of Cations on Growth of Thermophilic Geobacillus spp. and Anoxybacillus flavithermus in Planktonic Culture | Zendy

Ben Somerton | Zendy; Jon Palmer | Zendy; John D. Brooks | Zendy; Edward Smolinski | Zendy; D. Lindsay | Zendy; Steve Flint | Zendy

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Influence of Cations on Growth of Thermophilic Geobacillus spp. and Anoxybacillus flavithermus in Planktonic Culture

Author(s) -

Ben Somerton,

Jon Palmer,

John D. Brooks,

Edward Smolinski,

D. Lindsay,

Steve Flint

Publication year - 2012

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.06951-11

Subject(s) - thermophile , bacilli , food science , strain (injury) , microbiology and biotechnology , chemistry , bacteria , biology , genetics , anatomy

Free ions of Na+ , K+ , Ca2+ , and Mg2+ influenced the optical density of planktonic cultures of thermophilic bacilli.Anoxybacillus flavithermus E16 andGeobacillus sp. strain F75 (milk powder manufacturing plant isolates) andA. flavithermus DSM 2641 andG. thermoleovorans DSM 5366 were studied. Ca2+ and Mg2+ were associated with increases in optical density more so than Na+ and K+ . Overall, it appeared that Ca2+ and/or Mg2+ was required for the production of protein in thermophilic bacilli, as shown by results obtained withA. flavithermus E16, which was selected for further study.

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