Accumulation of poly-β-hydroxybutyrate in Nostoc muscorum: regulation by pH, light–dark cycles, N and P status and carbon sources
Accumulation of poly-β-hydroxybutyrate (PHB) in Nostoc muscorum was studied. Cells
harvested at stationary phase of growth depicted maximum accumulation ie 8.6%(w/w) of
dry cells as compared to lag (4.1%) or logarithmic (6.1%) phases of cultures. In contrast to
alkaline pH, acidic pH, continuous illumination and cells grown in presence of combined
nitrogen sources, such as NH4Cl and KNO3, were found to affect PHB accumulation
negatively. However, P-deficiency and addition of exogenous carbon sources (acetate …
harvested at stationary phase of growth depicted maximum accumulation ie 8.6%(w/w) of
dry cells as compared to lag (4.1%) or logarithmic (6.1%) phases of cultures. In contrast to
alkaline pH, acidic pH, continuous illumination and cells grown in presence of combined
nitrogen sources, such as NH4Cl and KNO3, were found to affect PHB accumulation
negatively. However, P-deficiency and addition of exogenous carbon sources (acetate …
Accumulation of poly-β-hydroxybutyrate in Nostoc muscorum: regulation by pH, light-dark cycles, N and P status and carbon sources.
LS Laxuman Sharma, NM Nirupama Mallick - 2005 - cabidigitallibrary.org
Accumulation of poly-β-hydroxybutyrate (PHB) in Nostoc muscorum was studied. Cells
harvested at stationary phase of growth depicted maximum accumulation ie 8.6%(w/w) of
dry cells as compared to lag (4.1%) or logarithmic (6.1%) phases of cultures. In contrast to
alkaline pH, acidic pH, continuous illumination and cells grown in presence of combined
nitrogen sources, such as NH4Cl and KNO3, were found to affect PHB accumulation
negatively. However, P-deficiency and addition of exogenous carbon sources (acetate …
harvested at stationary phase of growth depicted maximum accumulation ie 8.6%(w/w) of
dry cells as compared to lag (4.1%) or logarithmic (6.1%) phases of cultures. In contrast to
alkaline pH, acidic pH, continuous illumination and cells grown in presence of combined
nitrogen sources, such as NH4Cl and KNO3, were found to affect PHB accumulation
negatively. However, P-deficiency and addition of exogenous carbon sources (acetate …
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