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The effect of the initial density (0.12\u00b10.011, 0.25\u00b10.024, 0.5\u00b10.048 and 1.0\u00b10.096 mg cells\/ml of medium) of the sulfate-reducing bacteria<jats:italic>Desulfovibrio piger<\/jats:italic>Vib-7 on the growth and dissimilatory sulfate reduction was studied. The exponential growth phase of the<jats:italic>D. piger<\/jats:italic>Vib-7 was observed for 72 hours of cultivation at the (0.12 and 0.25 mg\/ml) initial concentration of bacterial cells. Sulfate and lactate were consumed incompletely during this time. The increase in the initial concentration of cells to 0.5 and 1 mg\/ml led to a shortening of the exponential bacterial growth phase and a shift to the stationary phase of the growth. In the case of 0.5 mg\/ml seeding, the stationary growth phase was observed in the 36<jats:sup>th<\/jats:sup>hour of cultivation. The increase in the initial concentration of cells to 1 mg\/ml led to the beginning of the stationary growth phase in 24th hours of cultivation. Under these conditions, sulfate and lactate were consumed completely in the 48th hour of cultivation. The kinetic analysis of the curves of bacterial growth and the process of dissimilatory sulfate reduction by<jats:italic>D. piger<\/jats:italic>Vib-7 was carried out.<\/jats:p>","DOI":"10.2174\/1874285801509010055","type":"journal-article","created":{"date-parts":[[2019,4,24]],"date-time":"2019-04-24T08:05:28Z","timestamp":1556093128000},"page":"55-69","update-policy":"https:\/\/doi.org\/10.2174\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Model-based Characterization of the Parameters of Dissimilatory Sulfate Reduction Under the Effect of Different Initial Density of Desulfovibrio piger Vib-7 Bacterial Cells"],"prefix":"10.2174","volume":"9","author":[{"given":"Ivan","family":"Kushkevych","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco","family":"Bolis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Milan","family":"Bartos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"965","reference":[{"key":"refR1","doi-asserted-by":"publisher","first-page":"103","DOI":"10.1111\/j.1574-6968.1991.tb04799.x","volume":"86","author":"Gibson G.R.","year":"1991","unstructured":"Gibson GR, Cummings JH, Macfarlane GT. 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