This Week in Parasitism

Episodes

TWiP 57: An outbreak of cyclosporiasis

July 20, 2013
Tagged as: coccidian, Cyclospora cayetanensis, cyclosporiasis, outbreak, parasite, parasitism

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.

Download TWiP #57 (46 MB .mp3, 77 minutes).

Contact

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

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 56: Whirling disease

July 3, 2013
Tagged as: myxobolus cerebralis, myxosporean, parasite, parasitism, salmonid, whirling disease

Actinomyxon Hosts: Vincent Racaniello and Dickson Despommier

Vincent and Dickson discuss Myxobolus cerebralis, the parasite that causes whirling disease of salmonids

Download TWiP #56 (67 MB .mp3, 93 minutes).

Links for this episode:

Myxobolus cerebralis (Wikipedia)
Fish migration (Wikipedia)
Trout with whirling disease (YouTube)
Letters read on TWiP 56

Listener Pick

Amanda – Pandemic: On the Brink

Contact

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

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 55: A ladybird’s weapon

June 15, 2013
Tagged as: bioweapons, harlequin, invasive success, ladybird, ladybug, parasite, parasitism

Hosts: Vincent Racaniello and Dickson Despommier

Vincent and Dickson reveal how invasive harlequin ladybirds use biological weapons against their competitors.

Download TWiP #55 (53 MB .mp3, 74 minutes).

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)
TWiV #7: Viruses in video games
Letters read on TWiP 55

Dickson’s Pick

An Inordinate Fondess for Beetles by Arthur V. Evans, Charles L. Bellamy

Listener Pick

Jessie – Pandemic, the board game

Contact

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

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 54: Unde venis?

May 23, 2013
Tagged as: Blastocystis hominis, case history, gastroenteritis, parasite, parasitism, twip

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?

Download TWiP #54 (62 MB .mp3, 86 minutes).

Links for this episode:

Blastocystis (Wikipedia)
Blastocystis review (Trends Parasitol)
People, Parasites, and Plowshares by Dickson Despommier
Letters read on TWiP 54

Contact

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

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 53: Anti-saliva immunity

April 20, 2013
Tagged as: Dickson Despommier, leishmania, leishmaniasis, Lutzomyia longipalpis, parasite, parasitism, saliva, sandfly, twip

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.

Download TWiP #53 (51 MB .mp3, 71 minutes).

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) to twip@microbe.tv

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 52: Not your ordinary unsegmented roundworm

March 16, 2013
Tagged as: Dioctophyme renale, dioctophymiasis, parasite, parasitism, roundworm

Hosts: Vincent Racaniello and Dickson Despommier

Vincent and Dickson review the life cycle and pathogenesis of the giant kidney worm, Dioctophyme renale

Download TWiP #52 (51 MB .mp3, 70 minutes).

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@microbe.tv

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 51: Modifying mosquitoes with Anthony A. James

March 2, 2013
Tagged as: dengue virus, genetically modified mosquito, malaria, parasite, parasitism

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.

Download TWiP #51 (52 MB .mp3, 72 minutes).

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@microbe.tv

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 50: Antagonism in the mosquito midgut

February 16, 2013
Tagged as: complement, factor H, lysis, malaria, mosquito, parasite, parasitism, Plasmodium

Hosts: Vincent Racaniello and Dickson Despommier

Vincent and Dickson reveal how malaria parasites avoid lysis by complement in the mosquito.

Download TWiP #50 (51 MB .mp3, 71 minutes).

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@microbe.tv

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 49: Making sense of toxo and heme

January 26, 2013
Tagged as: despommier, heme, innate immunity, parasite, parasitism, protozoan, racaniello, toll like receptor, toxoplasma gondii

Hosts: Vincent Racaniello and Dickson Despommier

Vincent and Dickson discuss innate immune sensing of Toxoplasma gondii in mice, and heme metabolism in protozoan parasites.

Download TWiP #49 (68 MB .mp3, 94 minutes).

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@microbe.tv

Subscribe (free)

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

Episodes

TWiP 48: A parasitic cloaking device

December 22, 2012
Tagged as: immune evasion, parasite, parasitism, schistosome, tetraspanin, vaccine

Hosts: Vincent Racaniello, Dickson Despommier, and Yosef Sabo

Vincent, Dickson, and Yosef discuss tetraspanins on the surface of schistosomes as vaccine candidates and immune evasion proteins.

Download TWiP #48 (48 MB .mp3, 67 minutes).

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 twip@microbe.tv

Subscribe (free)

Subscribe to TWiP (free) in iTunes, by the RSS feed or by email

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