PMID: 39227Jul 1, 1979

Cell adhesion in a chemostat culture of Candida utilis under the influence of supraoptimal temperature and elevated acidity

I N PozmogovaI L Rabotnova


The effect of the supraoptimal temperature (38, 40 degrees C) on the chemostat culture of Candida utilis was studied. The above factor caused a part of the biomass to float as a thin layer of foam to the surface of the medium. After an hour, the concentration of the cells on the surface could be four times as high as that within the medium. The content of protein was the same in the cells taken from the surface and from the depth. Singular cells or their groups (2 or 4--8 cells) were found deep in the medium whereas cells on the surface were aggregated forming conglomerates of 20--100 and more cells. The simultaneous action of the elevated tmperature and the acid pH value made flotation of cells onto the surface more stable and protracted (it could be maintained in a chemostat for weeks).

Related Concepts

Hydrogen-Ion Concentration
Surface Properties
Candida utilis
Yeast Proteins

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