Pathogenic Protoctista Flashcards
What’s protoctista
Eukaryotes which cannot be classified as plants animals or fungi
They’re either single celled or have multicellular structure
Drugs for treating protoctista
Selective toxicity
Target folic acid synthesis
Amoeba
Single celled
Common in fresh water and moist soil
Thickly walked highly resistant
Acanthamoeba keratitis
Soft contact wearers are vulnerable to this
Poor water supply and eye trauma can be a cause
It’s an infection of the cornea of the eye
May cause blindness
Acanthamoeba keratitis diagnosis
Cornea examination
Examine corneal scrapings
Swans filled by pcrto see if toxin dna is present
Acanthamoeba keratitis treatment
There no licensed medicines approved for treatment in any country
Antiseptic eye drops
Corneal transplant
What’s a parasite
An organism living in or on another organism and benefits from the Association or harming its host
Oocysts
Shed in the faeces in large numbers
Sporulation occurs in environment within 1-5 days
Sporulated oocytes are ineffective