Plate method for counting proteolytic sulphide-producing bacteria

Ramljak, Vladimir (2009) Plate method for counting proteolytic sulphide-producing bacteria. Diploma thesis, Faculty of Science > Department of Biology.

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Abstract

The proteolytic sulphide-producing bacteria (PSPB) are widely distributed in the water and sediment and are a good indicator of the ecological status of ecosystems. From the ecological point of view it is important to distinguish the physiological group of PSPB from other bacteria producing H2S form sulphate or thiosulphate. A new medium named peptone-cysteine-ammonium-iron citrate agar (PCA) was developed and tested. The medium regularly gave higher CFU of PSPB than the used control medium (SIM). For the enumeration of PSPB from environmental samples, simultaneous incubation of the same samples in aerobic and anaerobic conditions is recommended and a higher number should be taken for interpretation.

Item Type: Thesis (Diploma thesis)
Keywords: plate count, proteins, putrefaction, sediment, sulphide-producing bacteria, water
Supervisor: Hrenović, Jasna
Date: 2009
Number of Pages: 33
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 10 Sep 2014 09:17
Last Modified: 10 Sep 2014 09:17
URI: http://digre.pmf.unizg.hr/id/eprint/2687

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