Transcript
Page 1: Phylum Genus/species LaymanTerm Structures Diseases ...drmagrann.com/Micro/NU/Lecture/10 Protozoa summary table.pdf · Phylum Genus/species LaymanTerm Structures Diseases Symptoms

Phylum Genus/species Layman  Term Structures Diseases Symptoms Particulars

Sarcomastigophora  Subphylum:  Sarcodina  

Amoeba  spp Amoebas

Nucleus,  pseudopods

None

Sarcomastigophora  Subphylum:  Sarcodina  

Entamoeba  histolytica Amoebas

Nucleus,  food  vacuoles,  cyst,  trophozoite

Amoebiasis

Dysentery  (diarrhea),  abcesses  in  organs  (liver,  lungs,  brain,  eyes),  weight  loss,  fatigue,  abdominal  pain

Red  blood  cells  in  amoeba;  Bull's  eye  karyosome

Sarcomastigophora  Subphylum:  Sarcodina  

Naegleria  fowleri Amoebas Primary  Amoebic  Meningitis

Stiff  neck,  fever,  confusion,  loss  of  balance,  seizures,  and  hallucinations

Sarcomastigophora  Subphylum:  Mastigophora

Giardia  lamblia Flagellates

Nuclei,  flagella,  cyst,  trophozoite

Giardosis

Abdominal  pain,  diarrhea,  gas,  headache,  fever,  vomitingIntestinal  parasite;  trophozoite  looks  like  a  happy  face.  

Sarcomastigophora  Subphylum:  Mastigophora

Trichomonas  vaginalis Flagellates

Nucleus,  Flagella,  trophozoite  (no  cyst)

Trichomoniasis

Usually  asymptomatic  in  men,  or  mild  itching;  In  women,  vagina  is  extremely  pruritic,  with  vaginal  odor  and  

discharge. Urogenital  parasite;  STD

Sarcomastigophora  Subphylum:  Mastigophora

Trypanosoma  brucei Flagellates

Flagella,  undulating  membrane,  nucleus,  kinetoplast  (circular  DNA)

African  Trypanosomiasis  (Sleeping  sickness)

After  bite  of  tsetse  fly,  get  a  chancre  (ulcer),  then  enters  lymph  nodes  in  head  an  neck.  Shuffling  gait,  slurred  speech,  

(like  stroke  symptoms),  and  malaise  (sleeping  all  day).  

Blood  parasite;  vector  is  tsetse  fly;  Winterbottom's  Sign  (swollen  cervical  lymph  nodes  in  head  and  neck).  Treatment  drug  breaks  down  regular  plastic  tubing.

Sarcomastigophora  Subphylum:  Mastigophora

Trypanosoma  cruzi Flagellates

Flagella,  undulating  membrane,  nucleus,  kinetoplast  (circular  DNA)

American  Trypanosomiasis  (Chaga's  Disease) Fever,  anorexia,  swollen  lymph  nodes,  

hepatosplenomegaly,  myocarditis  (deadly),  megacolon,  megaesophagus

Blood  parasite;  vector  is  the  Kissing  Bug.  Fecal  to  blood  route.

Ciliata Paramecium  spp Ciliates

Oral  groove,  macronucleus,  food  vacuole,  cilia

None

Ciliata Balantidium  coli Ciliates

Cytostome,  contratile  vacuoles,  cilia

Balantidiosis

Ulcers  in  colon;  diarrhea  and  gas

Intestinal  parasite;  the  only  ciliated  protozoan  that  causes  disease  in  humans;  get  it  from  pigs.

Apicomplexia Plasmodium  spp Sporozoa  

Erythrocyte,  leukocyte,  parasite,  Hepatic  stage  (merozoites)  and  Blood  stage  (ring  stage  trophozoites)

Malaria

Fever,  chills,  sweating,  headaches,  muscle  pains.  Severe  complications  (cerebral  malaria,  anemai,  kidney  failure)  can  

result  in  death.

Blood  and  liver  parasite;  mostly  in  Africa;  vector  is  mosquito;  after  a  bite,  sporozoites  (Sporozoite  stage)  go  to  liver  (hepatic  stage;  merozoites),  ruptures  liver  cells  and  enter  blood  (blood  stage;  ring  stage  tryphozoites)

Apicomplexia Toxoplasma  gondii Sporozoa   Toxoplasmosis

Mild  flu-­‐like  symptoms  in  adults  (fever,  myalgia,  sore  throat,  headache,  enlarged  lymph  nodes)  In  fetus  causes  

mental  retardation,  blindness,  epilepsy,  stillbirths

Cats  eat  wild  bird  with  the  organism,  pregnant  woman  cleans  litter  box,  inhales  the  organism.

Apicomplexia Cryptosporidium Sporozoa   CryptosporidiosisDiarrhea  in  normal  person.  In  immunocompromised,  diarrhea  is  extreme  and  symptoms  may  be  fatal. Water  contaminant

Recommended