Influence of Temperature and pH on the Growth of the Thermophilic Cyanobacterium Mastigocladus laminosus in Continuous Culture

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The thermophilic cyanobacterium Mastigocladus laminosus was grown in a steady state continuous culture. Regulation and data sampling of the turbidostat was done with a microcomputer. Growth performance was measured as a function of temperature and pH from 30 to 62℃ and between pH 4 and 10. The temperature optimum was between 45 and 55℃. Under optimal conditions the filaments contained predominantly 8 cells with a high phycocyanin content but at the temperature extremes and at high pH, 2- and 4-cell filaments containing little phycocyanin were more abundant.
日本植物生理学会の論文