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microTalk

68 EpisodesProduced by Karl KloseWebsite

The talks from the researchers in the field of infectious diseases. The podcast is hosted by South Texas Center for Emerging Infectious Diseases (STCEID).

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"Crypto" currency: Cryptosporidium with Boris Striepen

March 23rd, 2021

52:43

Watch out for this kind of “Crypto” Currency: Cryptosporidium is a parasite that causes diarrheal disease in humans.  Cryptosporidiosis is a common cause of waterborne disease in the U.S., and responsible for serious …

067: The Chicken Runs: Campylobacter Diarrhea with David Hendrixson

June 17th, 2020

52:05

Campylobacter jejuni is a major cause of diarrheal disease in humans.

However, C. jejuni is also naturally found in chickens and doesn’t cause them any problems, so people frequently get sick from eating undercooked …

066: The Eyes Have It: Corneal Infections with Eric Pearlman

April 16th, 2020

1:05:15

Our eyes are one of the most sensitive areas on our bodies, and they are constantly bathed in microbes, and yet we rarely get eye infections. However, certain microbes can take advantage of minor injuries to the eye and …

065: Cheese Please! The Cheese Microbiome with Rachel Dutton

April 4th, 2020

54:13

Cheese is delicious, and also the product of a complex mixture of microbes.


Different communities of microbes produce the wide variety of cheeses made around the world. Dr. Rachel Dutton is an Assistant Professor at …

064: Fun(gus) in the Sun(gus): Fungal Infections with Neil Clancy

February 25th, 2020

51:57

Candida albicans is the most common cause of fungal disease in the United States. C. albicans can cause serious and often fatal systemic infections, especially in hospitalized patients with underlying conditions.

Dr. …

063: Tick Schtick: Lyme Disease with Tim Sellati

January 6th, 2020

1:05:40

Lyme Disease is the most common vector-borne disease in the United States.  The bacterium Borrelia burgdorferi is transmitted to humans through the bite of a deer tick, and can lead to the debilitating disease that most …

062: The Rules of Attraction: Bacterial Magnetosomes with Arash Komeili

December 16th, 2019

52:01

Some bacteria have the amazing ability to orient themselves using the earth’s magnetic field, due to the presence of an intracellular organelle …

061: TB or not TB? That is the Question… for Bill Jacobs

December 2nd, 2019

48:09

Tuberculosis (TB) remains one of the most prevalent infectious diseases in the world, with approximately 10 million people becoming sick and 1.5 …

060: Geezer Germs: Geriatric Bacteria with Steve Finkel

November 19th, 2019

1:03:06

What happens when a bacterium gets old? Continuous culture of bacteria without any added nutrients can reveal the dynamics of “old” bacteria.

Dr. …

059: All Hail Females: Women in Science with Joan Bennett

November 7th, 2019

57:01

Despite comprising half of the population, women are underrepresented as scientific professionals. The reasons for underrepresentation are …

058: Biotechnology Ideology: Genomics Technologies with Joe DeRisi

October 21st, 2019

59:02

Genomics-based technologies have revolutionized science. From microarrays to next-generation sequencing, genomics technologies are having a …

057: Undone by Fungi Again: The Mycobiome with Mahmoud Ghannoum

September 30th, 2019

45:58

One reason is because the overwhelming bacterial members of the microbiome keep the fungi in check.

Dr. Mahmoud Ghannoum is a professor at Case …

056: Lilliputian Evolution: Bacterial Evolution with Stanley Maloy

September 10th, 2019

1:09:12

The presence of bacterial toxins in a remote coral reef got Stanley Maloy thinking about the evolution of pathogens, and where “emerging diseases” …

055: The Age of Phage: Phage Therapy with Graham Hatfull

August 19th, 2019

1:06:00

Bacteriophages (“phages”), or bacterial viruses, are the most abundant biological entity on the planet, and the microbial world is shaped by these …

054: Urine Trouble: Urinary Tract Infections with Harry Mobley

August 5th, 2019

44:07

Frequent urges to go “number one” can be the symptom of a urinary tract infection (UTI), one of the most common types of bacterial infections in humans. Usually the treatment of UTIs is quick and effective, but …

053: Vibri-Oh-No! - “Flesh Eating” Vibrios with Karla Satchell

July 22nd, 2019

1:02:20

Summer brings warm beach weather, and with it come gruesome news reports of “flesh eating disease” that people catch from the ocean.

Vibrio vulnificus

052: Goodbye Guinea Worm: Guinea Worm Eradication with Adam Weiss

July 11th, 2019

1:10:53

One of the more gruesome parasitic infections is that of the guinea worm: these 3 feet long worms typically emerge from painful boils in the feet to …

051: Microbes in Hot Water: Climate Change with Sanghoon Kang

May 17th, 2019

51:35

The earth is warming up, and many aspects of life on earth are changing with the changing climate. Increased global temperature has multifactorial …

050: Into the Matrix: Fungal Biofilms with David Andes

April 24th, 2019

47:10

Candida albicans is the most common fungal infection of humans. C. albicans can cause superficial infections like thrush or vaginitis when it overgrows within healthy individuals, but it causes much more serious disease …

049: Trivia About Chlamydia: Sexually Transmitted Disease with Mary Weber

March 28th, 2019

55:23

Chlamydia trachomatis is the most common sexually transmitted bacterial disease in the U.S. Chlamydia infections in women can lead to pelvic inflammatory disease, and in the worst cases ectopic pregnancy or sterility.

048: Zebrafish in the Time of Cholera: Vibrio cholerae with Brian Hammer

March 7th, 2019

1:00:32

Vibrio cholerae causes a severe gastrointestinal illness that leads to massive fluid loss that can be fatal.

These bacteria are normally found in the …

047: Urinary Commentary: UTIs and Proteus mirabilis with Karine Gibbs

February 20th, 2019

53:44

Proteus mirabilis is a common cause of Urinary Tract Infections. These bacteria are found within the gastrointestinal tract, but they are sometimes able to ascend the urinary tract and cause bladder infections. One of …

046: The Scoop on Whoop: Bordetella with Jeff Miller

February 8th, 2019

1:04:25

Dr. Jeff Miller has been studying Bordetella pertussis, the bacterium that causes whooping cough in humans, for over three decades, and he keeps uncovering novel aspects of the pathogenesis of this organism.

B. …

045: Tiptoe Through the Crypto: Cryptococcus with Paul de Figueiredo

January 16th, 2019

46:13

The devastation of the immune system that occurs during AIDS renders patients highly susceptible to a number of infections that a functioning immune …

044: Giant Viruses, Rickettsia, and Whipple, Oh My! A Discussion with Didier Raoult

January 3rd, 2019

1:12:36

Dr. Didier Raoult considers himself a “microbe fisher”, always “fishing” to discover new microbes. He says that in order to fish successfully, you …

043: Native Alaskan Perspectives in Microbiology with Kat Milligan-Myhre

December 18th, 2018

1:09:51

Dr. Kat Milligan-Myhre was raised in a remote Alaska Native community above the Arctic Circle, and was the first person from her village to obtain a …

042: Undone by Fungi: Mucormycosis with Ashraf Ibrahim

December 3rd, 2018

46:38

There are increasing numbers of people with immunocompromised conditions that make them more susceptible to a variety of diseases, including fungal diseases.

A group of fungi in the order Mucorales can cause a …

041: There’s a Germ in my Worm: Bacterial-driven Metamorphosis with Nick Shikuma

November 5th, 2018

53:23

Many organisms metamorphose from a larvae into an adult, for example a caterpillar metamorphosing into a butterfly, but some animals require bacteria …

040: Public Health in the Time of Cholera: Enteric Disease Intervention with Christine Marie George

October 24th, 2018

48:17

Cholera is a severe diarrheal disease caused by the bacterium Vibrio cholerae that can spread among human populations in large epidemics when water …

039: Let’s Veto Mosquitoes: Malaria with Gunnar Mair

October 8th, 2018

59:56

The malaria parasite, Plasmodium, is transmitted to people through mosquito bites. The parasite needs to infect humans to undergo the morphologic …

038: Babbling Bacteria: A Discussion About Quorum Sensing with Marvin Whiteley

September 25th, 2018

58:39

Bacteria talk to each other using molecules that allow them to coordinate group behaviors, which has been termed “quorum sensing”. 

A number of …

037: Coral Reefs in Crisis! A Discussion with Rebecca Vega-Thurber

September 10th, 2018

1:13:25

The magnificent coral reefs of the world are dying! These fantastic underwater living structures that support entire ecosystems are undergoing massive die-offs that have decimated coral reefs all over the globe.

036: Viruses from Heaven and Hell: A Discussion with Ken Stedman

August 29th, 2018

1:07:02

Earth’s most abundant biological entities are viruses, and they can be found everywhere where there are living organisms, including extreme (hellish) …

035: Flip-flops and Surfboards made from Algae? Renewable algae-derived biomaterials with Steve Mayfield

August 14th, 2018

58:32

Dr. Steve Mayfield is a professor at the University of California San Diego and the Director of the California Center for Algae Biotechnology. Algae …

034: Disease Expertise with the Big Cheese: CDC Deputy Director Anne Schuchat

July 31st, 2018

49:56

The Centers for Disease Control and Prevention is on the front lines of the war against infectious diseases, and Anne Schuchat, M.D. has been the …

033: Mr. CRISPR, Kevin Doxzen, Discusses the Revolutionary Gene Editing Technology

July 13th, 2018

52:04

Kevin Doxzen is a science communications specialist at the Innovative Genomics Institute in Berkeley, CA, associated with Dr. Jennifer Doudna. The Institute specializes in gene editing using CRISPR/Cas.

The CRISPR/Cas …

032: The Wrath of Maria: Puerto Rican Microbiologists Discuss Post-Hurricane Science

July 2nd, 2018

54:30

Puerto Rico suffered a direct hit from the devastating hurricane Maria in September 2017, which destroyed the power grid and caused mass destruction across the island.

Recovery has been slow, and Puerto Rican scientists …

031: Content in Cement: Julie Maresca Discusses the Concrete Microbiome

June 19th, 2018

47:08

Julie Maresca is an associate professor in Civil and Environmental Engineering at the University of Delaware. Concrete is the most commonly used …

030: Mycology Loquacity: Carol Kumamoto Gets Candid about Candida

May 30th, 2018

44:32

Carol Kumamoto is a professor of microbiology at Tufts University. She studies Candida albicans, the most common fungal pathogen of humans.  

C. …

029: Prevent What’s Preventable: Vaccine Preventable Diseases with Cherise Rohr-Allegrini

May 21st, 2018

1:07:59

Cherise Rohr-Allegrini is the program director at the Immunization Partnership, whose goal is to improve vaccination rates in San Antonio and across Texas.

Every year millions of people suffer and die from …

028: You Gotta Be Squidding Me! A Discussion with Ned Ruby

May 8th, 2018

52:42

Ned Ruby is a professor at the University of Hawaii at Manoa who pioneered the study of a fascinating bacterial-squid symbiosis. The bacterium Vibrio …

027: Do the Bugs in your Gut Cause Parkinson’s Disease? A Discussion with Sarkis Mazmanian

April 23rd, 2018

1:07:02

Sarkis Mazmanian is a professor at California Institute of Technology who studies how the gut microbiome influences the development and function of …

026: Bugs in Space! High School Students Send a Microbiology Experiment on the ISS

April 9th, 2018

52:00

Students at Southside High School (San Antonio) sent a microbiology experiment up to the International Space Station (ISS). The experiment was …

025: It’s a Fungal Jungle Out There! A Discussion with Mary Ann Jabra-Rizk

March 27th, 2018

54:19

Dr. Mary Ann Jabra-Rizk is an Associate Professor at the University of Maryland, where she studies the fungus Candida albicans and its interactions with the bacterium Staphylococcus aureus.

C. albicans is a normal …

024: Time for Lyme: A Discussion with Dr. Steve Norris

March 12th, 2018

1:00:14

Dr. Steven Norris is a Professor at the University of Texas Health Houston, where he studies Borrelia burgdorferi, the bacterium that causes Lyme disease.

Lyme disease is the most common vector-borne disease in the U.S. …

023: There’s Another Fungus Among Us! With Dr. Andrew Alspaugh

February 27th, 2018

38:00

Dr. Andrew Alspaugh is a physician and Professor of Medicine at Duke University School of Medicine. Dr. Alspaugh is a mycologist, which means he …

022: Allan Hall Distills Down the Art of Fermentation

February 13th, 2018

1:01:24

Allan Hall is the lead distiller at Ranger Creek Brewing & Distilling, a “brewstillery” located in San Antonio that makes handcrafted beer and …

021: Ticks and Sandflies Suck!

January 30th, 2018

40:00

(Blood, That Is) and Transmit Diseases, Too!  Dr. Mary Ann McDowell is an Associate Professor at the University of Notre Dame. Dr. Joao Pedra is an …

020: The Promise of Stem Cells: Travis Block Communicates Science

January 16th, 2018

50:44

Travis Block Communicates Science: the Promise of Stem Cells

Dr. Travis Block is senior scientist at StemBioSys, Inc., a biotech company working on …

019: Inside the Hot Zone: A Discussion of Ebola Virus and BSL4 containment with Anthony Griffiths and Ricardo Carrion

January 2nd, 2018

55:56

Dr. Anthony Griffiths and Dr. Ricardo Carrion are scientists at the Texas Biomedical Research Institute who work on some of the most dangerous …

018: Talking Bioscience with Hizzoner: A Discussion with Mayor Ron Nirenberg

December 21st, 2017

1:04:39

Ron Nirenberg is the mayor of San Antonio, the seventh largest city in the U.S. San Antonio is one of the fastest growing cities, and bioscience is a major driver of the economy.

Mayor Nirenberg talks about the …

017: David Blehert sends out the Bat Signal: White Nose Fungus is Among Us!

December 8th, 2017

1:01:29

Dr. David Blehert is the Branch Chief of the Wildlife Disease Diagnostic Laboratories with the U.S. Geological Survey, and a world expert on White …

016: Cdiff Infections and Fecal Transplants with Jimmy Ballard

November 20th, 2017

55:25

Dr. Jimmy Ballard is professor and chairman of the Department of Microbiology and Immunology at University of Oklahoma Health Sciences Center.

Dr. …

015: Beware of bloodsuckers! What’s the buzz about mosquitoes?

November 6th, 2017

45:50

Dr. George Dimopoulos is a Professor at Johns Hopkins University, and Dr. Helen Lazear is an Assistant Professor at the University of North Carolina …

014: Parasites, Vampire Bats, and Science, Oh My! A Discussion with Dan Riskin

October 23rd, 2017

58:13

Dr. Dan Riskin is the host of the Animal Planet show about parasitic infections, Monsters Inside Me, and he also hosts a nightly science show broadcast in Canada, The Daily Planet. Dr. Riskin studied vampire bats while …

013: Science Not Silence: A Discussion with Jonathan Berman, March for Science Organizer

September 8th, 2017

56:10

Jonathan Berman is a postdoctoral fellow at the University of Texas Health San Antonio, and also one of the organizers for the March for Science. The March for Science was an amazing global phenomenon that occurred on …

012: There’s a Fungus Among Us! – Damian Krysan, M.D., Ph.D.

April 28th, 2017

40:37

Dr. Damian Krysan is a physician and an Associate Professor at the University of Rochester Medical Center. Dr. Krysan studies fungi, which in …

011: Sick as a…plant? Yep, plants get viruses too – David Bisaro, Ph.D

April 24th, 2017

43:23

Dr. David Bisaro is a Professor at the Ohio State University. Dr. Bisaro studies plant viruses, which are a major source of economic loss for farmers. Plants, just like humans, can be infected with viruses, but unlike …

010: Extra! Extra! Hear All About It! Science Reporting in the Age of Fake News – Alex Berezow, Ph.D

March 13th, 2017

40:26

Dr. Alex Berezow is a science reporter, he works with the American Council on Science and Health to report on scientific discoveries and current …

009: Whoop Whoop! The Pertussis Vaccine – Rajendar Deora, Ph.D

March 3rd, 2017

37:19

Whooping cough, caused by the bacterium Bordetella pertussis, is an extremely dangerous and potentially fatal disease for infants. We rarely see this disease anymore because everyone is routinely vaccinated against it …

008: Murderous Microbes: The Type Six Secretion System – Stefan Pukatzki, Ph.D.

February 24th, 2017

38:53

Dr. Stefan Pukatzki is a Professor of Immunology and Microbiology at the University of Colorado in Denver. Dr. Pukatzki studies Vibrio cholerae, the …

007: Gnarly! The Surfer Biome Project – Mr. Cliff Kapono

February 21st, 2017

33:28

Mr. Cliff Kapono is a PhD student at the University of California San Diego. The human body is covered with trillions of microorganisms (bacteria, viruses, fungi, protozoa), and these microbes produce lots of different …

006: Blood-sucking Disease: Malaria and the Microbiome – Nathan Schmidt, Ph.D

December 21st, 2016

38:13

Dr. Nathan Schmidt is an Assistant Professor of Microbiology and Immunology at the University of Louisville. Dr. Schmidt studies the parasite that is …

005: Selenium for the Millenium: A Whooping Trace Element – Girish Kirimanjeswara, Ph.D

December 15th, 2016

40:14

Dr. Girish Kirimanjeswara is an Assistant Professor of Immunology and Infectious Diseases at Pennsylvania State University. Dr. Kirimanjeswara …

004: California Cows in Crisis: Epizootic Bovine Abortion – Jeffrey Stott, Ph.D

November 14th, 2016

33:11

Dr. Jeffrey Stott is a Professor of Microbiology and Immunology at the University of California, Davis. Dr. Stott studies the cause of an unusual …

003: The Superbug Crisis: Antibiotic Resistant Bacteria – Mike Gilmore, Ph.D

October 28th, 2016

47:47

Dr. Mike Gilmore is the Sir William Osler Professor of Ophthalmology, and Microbiology and Immunobiology at Harvard Medical School. Dr. Gilmore is …

002: Shining a Light on Diabetes: New Developments in Treating Diabetic Vision Loss – Timothy Kern, Ph.D

October 24th, 2016

17:41

Dr. Timothy Kern is a professor in the Department of Pharmacology at Case Western Reserve University and director of the Center for Diabetes …

001: Global Health Starts Locally – Jason Rosenfeld, MPH

September 20th, 2016

38:53

Mr. Jason Rosenfeld, assistant director of global health at University of Texas Heath Science Center at San Antonio is the first speaker of Microtalk. He is a public health professional with over 10 years of experience …

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