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Title: ALGAE, PROTOZOA AND FUNGI
Description: Important notes of Microbiology for the health sciences chapter 5
Description: Important notes of Microbiology for the health sciences chapter 5
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ALGAE:
- Eukaryotic organisms that are photosynthetic
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- They are unicellular and cellular
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- They use their pigment to catch light
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- They detect light with their stigma
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- Algae are classified as green, golden, brown or red
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- They are a good source of food
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- Algae that cause diseases: phycotoxins in the red tide produce a disease called "Paralytic
shellfish poisoning", Protheca is a very rare cause of human infections, this bacterium lives in
soils and only produces the infection when it enters through a wound and if it enters the
lymphatic system can be fatal in patients with HIV (immunocompromised patients)
PROTISTS:
- Eukaryotic organisms that do NOT photosynthesize
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- They do not have a wall but they have a membrane that protects them called Pellicle
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The trophozoites do no harm
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- Some are parasites and produce diseases
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- It affects the immunocompromised patients a lot
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- They are classified according to how they can be moved
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to
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FUNGI:
- The study of fungi is called mycology and the scientists who study fungi are called mycologists
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- Mushrooms are virtually everywhere
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- Fungi are not plants, so they are not photosynthetic
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- Some are multicellular and others are unicellular
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- The fungal spores are very resistant
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- They are classified into 5 divisions
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- Yeasts are unicellular
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The yeast is
found in soil, water and fruit peels
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- There are 4 types of mycosis (disease caused by fungi), superficial, cutaneous, subcutaneous
and systemic
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The systems are acquired by the inhalation of
spores and are very difficult to eradicate
Title: ALGAE, PROTOZOA AND FUNGI
Description: Important notes of Microbiology for the health sciences chapter 5
Description: Important notes of Microbiology for the health sciences chapter 5