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PODCAST

This Week in Parasitism

Vincent Racaniello

TWiP is a monthly netcast about eukaryotic parasites. Vincent Racaniello and Dickson Despommier, science Professors from Columbia University, deconstruct parasites, how they cause illness, and how you can prevent infections.

science life sciences

All Episodes

01:15:49

TWiP 67: They find each other delightful

This Week in Parasitism ·

2014/02/22

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson explain the genetic and molecular basis of drug resistance in Schistosoma mansonii. Links for this episode: Basis of resistance to oxamniquine (Science) Oxamniquine (Wikipedia) Letters read on TWiP 67 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv Subscribe Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

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01:42:55

TWiP 66: A nitrile warhead for Chagas disease

This Week in Parasitism ·

2014/02/08

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson discuss reversible inhibitors of cruzipain as new drugs for treating Chagas disease. Links for this episode: Reversible cysteine protease inhibitors for Chagas (AAC) New drug candidates for Chagas (ScienceDaily) Pancake ice (YouTube) Letters read on TWiP 66 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv Subscribe Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

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01:22:59

TWiP 65: The real world wide web

This Week in Parasitism ·

2014/01/13

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson consider the effects of climate change on parasitic diseases. Links for this episode: Climate change and infectious diseases (Science) The more parasites the better? (Science) Host and parasite control disease risk (PNAS) Parasites dominate food web links (PNAS) The World Without Us by Alan Weisman Image credit: PLoS One Letters read on TWiP 65 Dickson's Pick Neglected by Shelly Xie (YouTube) Contact Send your questions and

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01:37:01

TWiP 64: Three new ways to prevent malaria

This Week in Parasitism ·

2013/12/19

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson review three novel approaches to antimalarial chemotherapy. Links for this episode: Targeting PI(4)K to eliminate malaria (Nature) Antimicrobial peptides to target sporogonic stages of malaria (PLoS Path) Small molecule blocks malaria invasion of mosquito (PLoS Path) Photo credit Letters read on TWiP 64 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv Subscribe Subscribe to TWiP (free) in iTunes, by

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01:36:43

TWiP 63: Plasmodium of the apes

This Week in Parasitism ·

2013/11/12

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson discuss evidence that the malaria parasite originated in gorillas. Links for this episode: Great apes and zoonoses (Science) Source of human malaria (PNAS) Origin of human malaria parasite in gorillas (Nature) Ape Plasmodium in Cameroon not infecting humans (PNAS) No Plasmodium in greater spot-nosed monkey (Int J Parasit) TWiP 13: Toxoplasmosis Image credit Letters read on TWiP 62 Contact Send your questions and comments (email

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01:36:19

TWiP 62: More bats out of hell

This Week in Parasitism ·

2013/11/01

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson discuss the high diversity of malaria parasites in West African bats, and a vaccine against hookworm. Links for this episode: High diversity of West African bat malaria parasites (PNAS) Human hookworm vaccine (Vaccine) Gongylonema infection in human (Am J Trop Med Hyg) Letters read on TWiP 62 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv Subscribe Subscribe to TWiP (free) in iTunes, by the RSS

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01:14:33

TWiP 61: Some creep crept into the crypt and crapped

This Week in Parasitism ·

2013/10/15

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson review examples of paleoparasitology, the detection of parasites in archaeological material. Links for this episode: T. rex had Trichomonas (PLoS One) King Richard III had worms (CNN) Discovery of toilets in Japan (Mem Inst Os Cruz) Paleoparasitology in the Old World (Mem Inst Os Cruz) Soils from Seoul (J Arachael Sci) Ancient parasite infections in Old World (pdf) Ascaris in coprolites (Mem Inst Os Cruz) Human intestinal

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01:10:01

TWiP 60: Urine a game of cat and mouse

This Week in Parasitism ·

2013/09/25

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson discuss how infection with Toxoplasma gondii causes mice to lose their aversion to cat urine, even after the parasites have been cleared. Links for this episode: T. gondii in mice causes loss of aversion to cat urine (PLoS One) Cyclosporiasis update (CDC) Letters read on TWiP 60 Listener Pick Blaine - The Worm Within Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv Subscribe (free) Subscribe to TWiP

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01:23:43

TWiP 59: Apicomplexity

This Week in Parasitism ·

2013/09/09

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson update the multistate outbreak of cyclosporiasis, discuss the avian malaria parasite P. lophurae, and review protection against malaria by intravenous immunization with a nonreplicating sporozoite vaccine. Links for this episode: Cyclosporiasis outbreak in US (CDC) Extraordinary history of REV (PLoS Biology) Avian malaria (Ann NY Acad Sci) P. lophurae (J Parasitol) TWiP infects TWiV (TWiV 248) Intravenous malaria

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01:34:25

TWiP 58: People, parasites, and plowshares

This Week in Parasitism ·

2013/08/09

Hosts: Vincent Racaniello and Dickson Despommier Guest: Cali Despommier Vincent and Dickson update the multistate outbreak of cyclosporiasis, and Dickson reads a chapter from his new book. Links for this episode: Dickson and Cali (jpg) Cyclosporiasis keeps spreading (ProMedMail) Cyclosporiasis is not a virus! (Gawker) Cyclosporiasis is not a virus! (Yahoo) The Global Dispatch People, Parasites, and Plowshares by Dickson Despommier Letters read on TWiP 58 Contact Send your questions and comments

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01:16:51

TWiP 57: An outbreak of cyclosporiasis

This Week in Parasitism ·

2013/07/20

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson review a multistate outbreak of cyclosporiasis caused by the single-celled coccidian parasite Cyclospora cayetanensis. The day after recording this episode, ProMedMail reported that the outbreak of cyclosporiasis had spread to Texas. Links for this episode: Cyclosporiasis (CDC) Cyclospora life cycle (CDC) Cyclosporiasis (Wikipedia) Cyclosporiasis outbreak, US (one, two, three) (ProMedMail) Cyclosporiasis outbreak moves

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01:33:01

TWiP 56: Whirling disease

This Week in Parasitism ·

2013/07/03

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson discuss Myxobolus cerebralis, the parasite that causes whirling disease of salmonids. Links for this episode: Myxobolus cerebralis (Wikipedia) Fish migration (Wikipedia) Trout with whirling disease (YouTube) Letters read on TWiP 55 Listener Pick Amanda - Pandemic: On the Brink Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv Subscribe (free) Subscribe to TWiP (free) in iTunes, by the RSS feed or

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01:13:49

TWiP 55: A ladybird's weapon

This Week in Parasitism ·

2013/06/15

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson reveal how invasive harlequin ladybirds use biological weapons against their competitors. Links for this episode: Invasive Harlequin Ladybirds' biological weapon (Science) Immunity an invasive success (Science) Invading ladybugs carry bioweapons (C&EN) Ladybird Ladybird (Wikipedia) G. Evelyn Hutchinson (Wikipedia) Letters read on TWiP 55 Dickson's Pick An Inordinate Fondess for Beetles by Arthur V. Evans, Charles L

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01:26:05

TWiP 54: Unde venis?

This Week in Parasitism ·

2013/05/23

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson consider a case history of a young man with Blastocystis hominis - is it causing his disease? Links for this episode: Blastocystis (Wikipedia) Blastocystis review (Trends Parasitol) Letters read on TWiP 54 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv Subscribe (free) Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

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01:11:01

TWiP 53: Anti-saliva immunity

This Week in Parasitism ·

2013/04/20

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson discuss the finding that immunity to a sandfly salivary protein protects against fatal visceral leishmaniasis in hamsters. Links for this episode: Immunity to a salivary protein protects against leishmaniasis (PNAS) Image of blood-fed Lutzomyia longipalpis (right) credit Short history of Leishmania vaccines Leishmania on TWiP #14 Letters read on TWiP 53 Contact Send your questions and comments (email or mp3 file)

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01:09:57

TWiP 52: Not your ordinary unsegmented roundworm

This Week in Parasitism ·

2013/03/16

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson review the life cycle and pathogenesis of the giant kidney worm, Dioctophyme renale. Links for this episode: Dioctophymiasis (CDC) Dioctophyme renale (Wikipedia) Fatal bilateral dioctophymiasis (J Parasitol) Clinical Parasitology by Paul C. Beaver D. renale in a dog (Vet. Parasitol.) Surgical removal of D. renale (YouTube) Letters read on TWiP 52 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv

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01:11:39

TWiP 51: Modifying mosquitoes with Anthony A. James

This Week in Parasitism ·

2013/03/02

Hosts: Vincent Racaniello and Dickson Despommier Guest: Anthony A. James Special guest Anthony A. James joins Vincent and Dickson to discuss how mosquitoes can be genetically modified to control infectious diseases. Links for this episode: Field cage studies of modified mosquitoes (PLoS NTD) Flightless mosquitoes (PNAS) When mutant mosquitoes attack (NY Times) Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv

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01:11:05

TWiP 50: Antagonism in the mosquito midgut

This Week in Parasitism ·

2013/02/16

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson reveal how malaria parasites avoid lysis by complement in the mosquito. Links for this episode: Malaria parasites co-opt factor H (Cell Host Microbe) Complement system (Wikipedia) Letters read on TWiP 50 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv

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01:34:25

TWiP 49: Making sense of toxo and heme

This Week in Parasitism ·

2013/01/26

Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson discuss innate immune sensing of Toxoplasma gondii in mice, and heme metabolism in protozoan parasites. Links for this episode: Sensing Toxoplasma in mice (Cell Host Microbe) Make it, take it, or leave it (PLoS Path) Heme (Wikipedia) Letters read on TWiP 49 Contact Send your questions and comments (email or mp3 file) to twip@twiv.tv

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01:07:03

TWiP 48: A parasitic cloaking device

This Week in Parasitism ·

2012/12/18

Hosts: Vincent Racaniello, Dickson Despommier, and Josef Sabo Vincent, Dickson, and Josef discuss tetraspanins on the surface of schistosomes as vaccine candidates and immune evasion proteins. Links for this episode: S. japonicum tetraspanin-2 as a vaccine target (PLoS NTP) Protection with S. mansoni tetraspanin-2 (PLoS NTP) S. mansoni tetraspanins confer protection (Nat Med) Tetraspanins Letters read on TWiP 48 Contact Send your questions and comments (email or mp3 file) to

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