Porównanie form morfologicznych grzybni A. terreus i M. racemosus w hodowlach wgłębnych | Comparison of morphological forms of A. terreus and M. racemosus mycelium in submerged cultures
2018
Kowalska, Anna | Boruta, Tomasz | Bizukojć, Marcin
Filamentous fungi are microorganisms widely used in the biotechnology industry. Belonging to this group Aspergillus terreus and Mucor racemosus show different mechanisms of morphogenesis. In the conducted submerged cultures various morphological forms of A. terreus and M. racemosus were observed. The case of the first microorganism confirmed a well-known agglomerative mechanism of hairy pellets formation. The second studied microorganism is a non-agglomerative fungus, therefore the pellets formation in M. racemosus cultivation did not take place. The observed with the use of microscope mycelial objects were photographed and subjected to digital image analysis. As a result, the following morphological parameters were calulated: mean projected area - A, microm(2), elongation (E,-), roughness (R,-) and morphology number (Mo,-). The analysis of the obtained values confirmed the presence of different mycelial objects in A. terreus and M. racemosus cultures as well as various morphogenesis mechanisms.
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