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Introduction Key Differences: Aspergillus niger vs Aspergillus fumigatus Feature Aspergillus niger Aspergillus fumigatus Colony color (SDA) Black, powdery colonies Blue-green to gray-green colonies Growth rate Rapid, abundant sporulation Moderate, compact colonies Conidial heads Large, radiate, globose Columnar, compact Conidia Rough, black, spherical Smooth to rough, …
Introduction of Exotoxins and Endotoxins Numerous bacteria produce toxins, enzymes, and pigments. Toxins and enzymes play significant roles in pathogenicity. Toxins are of two types- Differences Between Exotoxins and Endotoxins The differences between exotoxins and endotoxins are as follows- S. No Exotoxins Endotoxins 1. Exotoxins …
Introduction of Staphylococcus and Micrococcus Staphylococci are Gram-positive bacteria, with diameters of 0.5 – 1.5 µm and non-motile, non-spore-forming facultative anaerobes that grow by aerobic respiration or by fermentation, and they are characterized by individual cocci, which divide in more than one plane to form …