Trypanasoma

Question 1

Trypanosoma

Answer 1

• unicellular parasitic flagellate Protozoa

- single flagellum stems from KINETOPLAST

Question 2

T. Brucei

Answer 2

• African sleeping sickness (trypanosomiasis)

- Tse tse fly (Glossina Genus)

Question 3

T. brucei reservoir host

Answer 3

• Wild/ domestic animals

- Antelopes, buffaloes

Question 4

T. Brucei life cycle

Answer 4

• takes 3 weeks
• human infected with Metacyclic trimastigotes
• transform into blood stream trypomastigotes
• multiply but binary fission in lymph, blood, cerebrospinal fluid
• trypomastigotes in blood
• tse tse ingests blood, transforms into procyclic trypomastigotes in midgut
• transform into epimastigotes
• in salivary glands as metacyclic trypomastigotes

Question 5

T. Cruzi

Answer 5

• Chagas’ disease
• American trypanosoma
• cone nose insect triatoma sp (kissing bug)

Question 6

Trichomonas vaginalis

Answer 6

• exist only as trophozite (no cyst form)
• Anaerobic, flagellated protozoan
• sexually transmitted disease