This Week in Parasitism
TWiP is a monthly netcast about eukaryotic parasites. Vincent Racaniello, Dickson Despommier, and Daniel Griffin, science Professors from Columbia University, deconstruct parasites, how they cause illness, and present a case study each episode for your solution.

Vincent and Dickson continue their discussion of nematodes with the whipworm Trichuris trichiura.

Host links: Vincent Racaniello and Dickson Despommier

Links for this episode:

Contact

Send your questions and comments (email or mp3 file) to twip@twiv.tv.

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Direct download: TWiP020.mp3
Category:Science -- posted at: 6:50pm PST

Vincent and Dickson move on to nematodes with a discussion of the pinworm Enterobius vermicularis.

Host links: Vincent Racaniello and Dickson Despommier

Links for this episode:

Contact

Send your questions and comments (email or mp3 file) to twip@twiv.tv.

Subscribe (free)

Click here to receive an email notification when a new episode of TWiP is published.

Direct download: TWiP019.mp3
Category:Science -- posted at: 10:16am PST

Vincent and Dickson discuss the intracellular parasite Cryptosporidium, which causes diarrheal disease in most mammalian species.

Host links: Vincent Racaniello and Dickson Despommier

Links for this episode:

Contact

Send your questions and comments (email or mp3 file) to twip@twiv.tv.

Subscribe (free)

Click here to receive an email notification when a new episode of TWiP is published.

Direct download: TWiP018.mp3
Category:Science -- posted at: 4:37am PST

Vincent and Dickson continue their discussion of protozoan parasites that cause diarrhea with a review of amebic dysentery caused by Entamoeba histolytica.

Host links: Vincent Racaniello and Dickson Despommier

Links for this episode:

Contact

Send your questions and comments (email or mp3 file) to twip@twiv.tv.

Subscribe (free)

Click here to receive an email notification when a new episode of TWiP is published.

Direct download: TWiP017.mp3
Category:Science -- posted at: 10:51pm PST

Vincent and Dickson review the life cycle and pathogenesis of the flagellated protozoan parasite Giardia lamblia.

Host links: Vincent Racaniello and Dickson Despommier

Links for this episode:

Direct download: TWiP016.mp3
Category:Science -- posted at: 7:06am PST

Vincent and Dickson discuss the life cycle and pathogenesis of the protozoan parasite Trypanosoma.

Host links: Vincent Racaniello and Dickson Despommier

Links for this episode:

  • Metacyclic trypanomastigote (jpg)
  • Tsetse fly (jpg)
  • T. brucei life cycle (jpg)
  • T. brucei parasitemia (jpg)
  • Kissing bug nymph (jpg)
  • T. cruzi life cycle (jpg)
  • Letters read on TWiP 15
  • Direct download: TWiP015.mp3
    Category:Science -- posted at: 10:45am PST

    Vincent and Dickson consider the life cycle and pathogenesis of the protozoan parasite Leishmania.

    Host links: Vincent Racaniello and Dickson Despommier

    Links for this episode:

  • L. braziliensis life cycle (jpg)
  • L. donovani life cycle (jpg)
  • L. tropica life cycle (jpg)
  • L. major lesion (jpg)
  • Transgenic mosquito delivers Leishmania vaccine (thanks, Geoffrey)
  • Plasmodium falciparum accompanied human expansion out of Africa (thanks, Prasad)
  • Who speaks for the guinea worm? (thanks, Michael)
  • Letters read on TWiP 14
  • Direct download: TWiP014.mp3
    Category:Science -- posted at: 7:30pm PST

    Vincent and Dickson continue their discussion of the obligate intracellular protozoan Toxoplasma gondii with a consideration of the clinical consequences of infection and pathogenesis.

    Host links: Vincent Racaniello and Dickson Despommier

    Links for this episode:

  • Isopod fish parasites (thanks, Kevin!)
  • Farmscraper on Word Spy (thanks, Mitchell!)
  • Toxoplasma and personalities (thanks, Greg!)
  • Science podcast (July 2) on parasites and intelligence (transcript - thanks, Jim!)
  • Letters read on TWiP 13
  • Direct download: TWiP013.mp3
    Category:Science -- posted at: 7:00pm PST

    Vincent and Dickson introduce the obligate intracellular protozoan Toxoplasma gondii, one of the most successful parasites on earth.

    Host links: Vincent Racaniello and Dickson Despommier

    Links for this episode:

  • Global clinical burden of malaria (PLoS Medicine)
  • T. gondii sporulated oocysts (jpg)
  • T. gondii tachyzoites in parasitophorous vacuole (jpg)
  • T. gondii life cycle (jpg)
  • Insect bioterrorism conference (thanks, Don!)
  • Parasite of the Day (thanks, Douglas!)
  • World Science Festival
  • Letters read on TWiP 12
  • Direct download: TWiP012.mp3
    Category:Science -- posted at: 7:00pm PST

    Vincent and Dickson continue their discussion of malaria, with emphasis on clinical aspects of the disease.

    Host links: Vincent Racaniello and Dickson Despommier

    Links for this episode:

  • The quest for a malaria vaccine (Meet the Scientist 49)
  • Science issue on malaria and tuberculosis
  • Malaria pathogenesis (pdf)
  • Malaria pathogenesis (jpg)
  • Letters read on TWiP 11
  • Direct download: TWiP011.mp3
    Category:Science -- posted at: 11:00am PST