Online Biology Notes for students
Mycology Notes
1) What is Mycology? It is the study of fungi which includes yeasts and molds. 2) Fungi is prokaryotic or eukaryotic? Eukaryotic 3) Example of a unicellular eukaryotic organism? Yeast 4) What are saprophytes? Those organisms which depend on( live on) dead and decaying organism are saprophytes. Example: Fungi 5) What is …
Dermatophytosis refers to a skin infection caused by fungi. It is commonly known as ringworm due to its appearance on the skin. The infection can affect humans and animals. Moreover, it can spread from animals or other affected humans. The major reason for the infection is poor hygiene conditions. Skin, hair, nails …
Mycotoxins definition Microbial toxins are metabolites produced by a specific microorganism during its growth or life cycle. Mycotoxins are secondary metabolites produced by several fungi that have a severe impact on human or animal health. The mycotoxins are not only responsible for causing disease but it can also lead to long term …
Aspergillus is a common fungus found in our environment. It has several types of the present in different regions of the world. They are extremely tolerant of high osmotic pressure (high salt, sugar concentration). They prefer to grow in an O2 abundant environment on carbon substrates as a mold. Starchy food substances …
Candidiasis- Opportunistic Mycoses Opportunistic mycoses refer to the infections caused by fungi in hosts with immune-compromised conditions. The fungi involved in the infection are called as opportunistic fungi. The reasons behind this incidence include the overuse of antibiotics, corticosteroids, and immunosuppressive drugs. Candidiasis is an infection of the skin, mucosa, and internal …
Fungal Structure Image Source: Department of Biology, University of Miami Structure of fungal hypha Hypha is characterized as a tube-like structure with a rigid wall that contains a moving slug of protoplasm. The length of the hypha varies in different fungal species; however, the diameter ranges from 2 to 30 micrometers and …