Alle afleveringen
367 afleveringen, van nieuw naar oud
-
TWiM #117: Finding the comammox
17 december 2015 · 1 uur 10 min
The TWiM team marvels over the finding of a completely nitrifying Nitrospira, and horizontal gene transfer from Wolbachia into an animal genome. Lees meer
Links for this episode:
Complete nitrification by Nitrospira bacteria (Nature one, two)
Enigmatic comammox (PhysOrg)
Ammonia-oxidizing bacteria (Ann Rev Micro)
Tardigrade controversy (SciAlert)
Horizontal gene transfer from Wolbachia to grasshopper (PeerJ)
Thumbnail Image (nitrogen cycle) credit
Letters read on TWiM 117
This episode is sponsored by ASM Microbe 2016 and ASM Biodefense
Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv.
-
TWiM #116: Chewates and coconuts
2 december 2015 · 1 uur 1 min
Hosts: Vincent Racaniello, Elio Schaechter and Michele Swanson Lees meer
The TWiMeriti reveal a Brazilian social bee that must cultivate a fungus to survive, and diet-mediated reduction in gut colonization by Candida albicans.
Links for this episode
Bee cultivates fungus to survive (Curr Biol)
Diet reduces C. albicans gut colonization (mSphere)
mSphere, a new open-access ASM journal
Image credit
Letters read on TWiM 116
This episode is sponsored by ASM Biodefense and the 32nd Clinical Virology Symposium.
Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv.
-
TWiM #115: Profiling the Poglianos
20 november 2015 · 56 min
Vincent visits the laboratories of Kit and Joseph Pogliano on the campus of the University of California, San Diego, where he learns about their work on the bacterial cytoskeleton, sporulation, and the effects of antibiotics on bacterial cells. Lees meer
Visit microbeworld.org/twim for complete shownotes including the special video version of this episode. Thanks for listening and watching!
-
TWiM #114: Milestones in Blue
6 november 2015 · 1 uur 11 min
Vincent, Elio, and Michele meet with Harry Mobley, Mary O’Riordan, and Vince Young at the University of Michigan, during the designation of the Department of Microbiology and Immunology as a Milestones in Microbiology site. They discuss how the laboratory has advanced the science and teaching of microbiology, and discuss faculty work on uropathogenic E. coli, induction of stress by bacterial infection, and the gut microbiome. Lees meer
Visit microbeworld.org/twim for more including the special video version of this episode.
-
TWiM #113: Waves of Change
22 oktober 2015 · 54 min
Vincent meets up with Romney and Duncan at the 79th annual meeting of the Southern California branch of the American Society for Microbiology, where they talk about emerging technologies for antimicrobial susceptibility testing, and next generation sequencing and advanced molecular diagnostics. Lees meer
Visit microbeworld.org/twim to watch the video version and for complete shownotes including links mentioned.
-
TWiM #112: Mushroom pickers and mushroom kickers
26 september 2015 · 1 uur 1 min
The TWiM team wonders why definitions in biology often change, and discuss how the small molecule terrein is important for the growth of a soil fungus. Lees meer
Image: Lesion formation on banana surfaces infected with Aspergillus terreus. Source
Links mentioned:
ASM Undergraduate Research Capstone Program
ASM Undergraduate Fellowship Program
Regulation of terrein production in Aspergillus terreus
Visit microbeworld.org/twim for more.
-
TWiM #111: Ancientbiotics and modernbiotics
10 september 2015 · 59 min
Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter. Lees meer
The TWiMitos discuss the reconstruction of a 1,000-year-old antimicrobial remedy, and using gallium as an antimicrobial in the battle for iron.
Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.
Links for this episode
1,000 year old antimicrobial (mBio)
Siderophore quenching with gallium (Evol Med Pub Health)
Evolutionary dynamics of public goods (J Evol Biol)
Image credit
Letters read on TWiM 111
Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #110: Exploring unseen life with unpronounceable words
20 augustus 2015 · 1 uur 12 min
The TWiM team focuses on the gut microbiome, from a single member, Akkermansia muciniphila, to the effect of antibiotics on its composition and colonization resistance against C. difficile. Lees meer
Subscribe to TWiM (free) on iTunes, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.
Links for this episode
Agar art contest
Akkermansia muciniphilia and obesity (Gut)
A. muciniphilia genome (Biol Direct)
Alterations of gut microbiota and C. difficile colonization (mBio)
Science Delivered
Girls Who Code
F.E.M.M.E.S.
Association for Women in Science
UMich Host-Microbiome Initiative
UMich anaerobic chamber room (png)
-
TWiM #109: Precision killing
6 augustus 2015 · 1 uur 9 min
The TWiM cohort discusses the use of antimicrobial peptides to target specific bacteria in the microbiome, and how the intracellular bacterium Wolbachia selectively kills male hosts. Lees meer
Links for this episode:
Antimicrobial peptides to modulate microbial ecology (PNAS)
Targeting specific bacteria in the oral microbiome (Trends Micro)
How Wolbachiakills male hosts (PLoS Biol)
Wolbachia phage on TWiV 332
Image: Transmission electron micrograph of Wolbachia within an insect cell.
By: Scott O'Neill - Genome Sequence of the Intracellular Bacterium Wolbachia. PLoS Biol 2/3/2004: e76.
-
TWiM #108: Vaccine in the time of cholera
23 juli 2015 · 1 uur 12 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Lees meer
The professors of TWiM discuss a University of Wisconsin plan for rescuing biomedical research in the US, and results of a clinical trial in Bangladesh of an oral cholera vaccine.
Subscribe to TWiM (free) on iTunes, Stitcher, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.
Links for this episode
Rescuing biomedical research (eLife)
Rethinking graduate and postdoc education (iBiology)
Oral cholera vaccine trial (Lancet)
Inexpensive cholera vaccine (NYTimes)
Image credit
Letters read on TWiM 108
-
TWiM #107: The battle in your bladder
9 juli 2015 · 1 uur 31 min
Hosts: Vincent Racaniello and Michael Schmidt. Lees meer
Vincent and Michael discuss the highly diverse microbiome of uncontacted Amerindians, and how the composition of human urine plays a role in the battle for iron.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
Links for this episode
Microbiome of uncontacted Amerindians (Sci Adv)
Urinary composition controls siderocalin activity (J Biol Chem)
Urine acidity and UTI susceptibility (Infect Cont Today)
Image (from pdb file 3cmp) shows siderocalin (magenta) complexed
with iron (orange) and enterobactin (sticks)
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #106: Lawn mower disease
24 juni 2015 · 1 uur 17 min
Vincent and Michael speak with Katy Bosio about her research on pathogenesis, immunity, and vaccines against Franciscella tularensis, the causative agent of tularemia.
-
TWiM #105: Real bugs with legs
5 juni 2015 · 58 min
The TWiM team reviews the microbiological safety of herbs in the United Kingdom, and how a peptide from the milkweek bug binds the ribosome and inhibits bacterial protein synthesis. Lees meer
Links for this episode:
Microbes in whole-leaf herbs (J Appl Micro)
Antimicrobial peptide blocks ribosome (Nat Struct Mol Biol)
Bacterial protein synthesis (Micro Mol Biol Rev)
Antimicrobial peptides (Nature)
The battle for tryptophan (Front Cell Infect Micro)
Image credit
-
TWiM #104: Feed me polyamines, biofilm
21 mei 2015 · 1 uur 4 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Lees meer
The TWiM team discusses how measles vaccination protects against other infectious diseases, and links between bacterial biofilms and colon cancer.
Subscribe to TWiM (free) on iTunes, Stitcher, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.
Links for this episode
Measles vaccination prevents all-cause infectious disease (Science)
Master of contagion (The Loom)
Video: Measles incidence to immunomodulation (Science)
FAQ: Adult vaccines
Metabolism links biofilms and colon cancer (Cell Metab)
Scripps Center for Metabolomics
Scripps metabolite database
Image credit
Sponsors for this episode: SciMedSolutions, ICAAC-ICC
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #103: The battle for iron
8 mei 2015 · 1 uur 6 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Lees meer
The TWiM team is amazed by the ocelloid, and an evolutionary battle for iron between mammalian transferrin and bacterial transferrin-binding protein.
Subscribe to TWiM (free) on iTunes, Stitcher, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.
Links for this episode
A unicellular camera-type eye structure (PLoS One)
Escape from iron piracy (Science)
Iron in infection and immunity (Cell Host Micr)
Nutritional immunity (Nat Rev Micro)
Evolutionary Path (Matthew Barber)
Image credit: Janet Iwasa
Sponsors for this episode: SciMedSolutions, ICAAC-ICC
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #102: Happiness is the spore-formers in your gut
24 april 2015 · 58 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Lees meer
The TWiM team discusses evidence that serotonin synthesis is regulated by spore-forming members of the gut microbiota.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
Links for this episode
When antibiotic resistance in vitro falls short (STC)
Gut microbiota control serotonin in mice (Cell)
Serotonin biosynthesis (Wikipedia)
Microbial endocrinology (STC)
Image credit
Sponsors for this episode: SciMedSolutions, Jmbe.asm.org, ICAAC-ICC
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
Image: Serotonin temporary tattoo by flickr user: ChezShawna
-
TWiM #101: The MRSA in your home
2 april 2015 · 1 uur 15 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Lees meer
The TWiMers discuss how aroma helps disperse yeast cells on insect vectors, and evidence that MRSA is transmitted within households.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
Links for this episode
Aroma promotes yeast dispersal on flies (Cell Rep)
MRSA is transmitted within households (mBio)
FAQ: The threat of MRSA (AAM)
Image credit
Letters read
on TWiM 101
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #100: Omnis cellula e cellula
18 maart 2015 · 51 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Jo Handelsman. Lees meer
The TWiM team celebrates 100 episodes with a Talmudic question, and discussion of how a single mutation alters bacterial host tropism.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
Links for this episode
A single mutation alters bacterial tropism (Nat Gen)
Talmudic question #104 (Small Things Considered)
Principles of Microbial Diversity (ASM Press)
Journal of Microbiology & Biology Education
Letters read on TWiM 100
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
Image: Yellow colonies of S. aureus on a blood agar plate, note regions of clearing around colonies caused by lysis of red cells in the agar By: HansN. on wikimedia. From the study (Nat Gen) "...only a single naturally occurring nucleotide mutation was required and sufficient to convert a human-specific S. aureus strain into one that could infect rabbits."
-
TWiM #99: Careers in Biodefense
4 maart 2015 · 1 uur 2 min
Hosts: Vincent Racaniello Lees meer
Guests: Maria Julia Marinissen, Edward H. You, and David R. Howell
Vincent meets up with Maria, Edward, and David at the ASM Biodefense and Emerging Infections Research meeting to talk about alternative careers for scientists.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
A video version of this episode is available at microbeworld.org/twim
Links for this episode:
ASM Biodefense meeting
FBI Biological Countermeasures Unit
Office of Policy and Planning
Division of Medical Countermeasures Strategy and Requirements
Division of International Health Security
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #98: Bacteria and eukaryotes get horizontal
19 februari 2015 · 59 min
The TWiM crew ponders the question of how a bacterium finds its middle when dividing, then divulge the transfer of interbacterial antagonism genes to eukaryotes, where they may function in innate defense. Lees meer
Links for this episode:
Size independent symmetric division (Nat Commun)
How does a bacterium find its middle? (Nat Struct Biol)
Genes transferred from bacteria augment eukaryotic defenses (Cell)
Antibacterial gene transfer (eLife)
Letters read on TWiM #98 on TWiM 98
Visit microbeworld.org/twim for complete shownotes and more.
-
TWiM #97: There's gold in them hills
5 februari 2015 · 1 uur 14 min
The TWiM team reveal how bacteria in a shipworm’s gills help digest wood in the gut, and an approach that identifies a new antibiotic from the soil. Lees meer
Links for this episode:
Gill bacteria enable a novel digestive strategy (PNAS)
Killing bacteria without resistance (Nature)
An irresistable newcomer (Nature)
Peptidoglycan synthesis animation
10 x 20 initiative (IDSA)
Longitude Prize
Visit microbeworld.org/twim for more.
-
TWiM #96: A lean, mean sequencing machine
22 januari 2015 · 55 min
Hosts: Vincent Racaniello. Lees meer
Special guest: Rob Knight
Vincent meets up with Rob Knight to talk about the technology that has fueled his drive to sequence the Earth and its inhabitants.
Check out the Microbeworld app.
Links for this episode
Microbes en masse (Nature)
Obesity alters gut microbial ecology (PNAS)
Sharing microbiome with dogs (eLife)
Earth microbiome project (BMC Biology)
Stability of gut micobiota (Science)
Gut microbes and the brain (J Neurosci)
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #95: A microbe lover in San Diego
9 januari 2015 · 1 uur 6 min
Hosts: Vincent Racaniello. Lees meer
Special guest: Stanley Maloy
Vincent meets up with Stan Maloy on the campus of San Diego State University to talk about his career in microbiology and his work as Dean of Science.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
Links for this episode:
Maloy lab
Salmonella.org
Microbial genetics course page
Typhoid Mary
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #94: Nitrochondria
25 december 2014 · 1 uur 7 min
Vincent, Elio, and Michael discuss a symbiosis between a nitrogen-fixing cyanobacteria and a single-celled eukaryotic alga. Lees meer
Links for this episode:
Unicellular cyanobacterium and alga symbiosis (Science)
Diversity of nitrogen-fixing cyanobacterium and its host (Environ Micro)
Talmudic Question #4 (answer)
Talmudic Question #2
Coccolithophore (Wikipedia)
Visit microbeworld.org/twim to view the complete shownotes and entire back catalog.
-
TWiM #93: Worming in on bacteria
11 december 2014 · 56 min
Vincent, Elio, and Michael reveal that a soil-dwelling nematode can recognize and respond to a bacterial quorum sensing molecule through a sensory neuron.
-
TWiM #92: Flying biofilms
27 november 2014 · 1 uur 8 min
Vincent, Elio, Michael and Michele discuss the possible eradication of wild poliovirus type 3, and how microsporidian parasites prevent locust swarming behavior.
-
TWiM #91: Rats, viruses, and bacteria
14 november 2014 · 59 min
Vincent, Elio, and Michele review a study of the viruses and bacteria in commensal rats in New York City. Lees meer
Visit microbeworld.org/twim for complete show notes. Thanks for listening!
-
TWiM #90: Think globally, act locally
29 oktober 2014 · 1 uur 2 min
Vincent meets up with Laurene and David at the Annual Meeting of the Southern California Branch of the American Society for Microbiology, where they discuss how the Los Angeles County Department of Health is preparing for an outbreak of Ebola virus infection, and Cepheid’s game-changing, modular PCR system for the diagnosis of infectious diseases. Lees meer
-
TWiM #89: Microbial handoffs
15 oktober 2014 · 1 uur 13 min
Vincent, Michele, and Michael discuss how a gene from bacteria protects a tick from plant cyanide poisoning, and enhanced transmission of Streptococcus pneumoniae by influenza virus co-infection in mice.
-
TWiM #88: A century of excellence in microbiology
1 oktober 2014 · 50 min
Michele speaks with members of the Department of Bacteriology at the University of Wisconsin - Madison, on the occasion of its designation as a Milestones in Microbiology site, where they discuss how the department has advanced the science and teaching of microbiology. Lees meer
-
TWiM #87: Avogadro, archaeal fossils, and ICAAC
17 september 2014 · 1 uur 14 min
Vincent, Elio, and Michael explore the fossilization of archaeal lipids, and highlight the recent ICAAC in Washington, D.C.
-
TWiM #86: Blurring the line between organelle and endosymbiont
3 september 2014 · 1 uur 12 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Lees meer
Vincent, Elio, Michael, and Michele consider whether our eating behavior is manipulated by gastrointestinal microbiota, and an aphid gene of bacterial origin whose gene product encodes a protein that is transported to an obligate endosymbiont.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
Links for this episode
National Biosafety Stewardship month
Aphid gene of bacterial origin (Curr Biol)
Eroding symbiont/organelle distinction (Curr Biol)
Is our eating manipulated by our microbiota? (Bioessays)
Road to microbial endocrinology (STC)
Microbial endocrinology (STC)
Letters read on TWiM 86
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #85: Oscillation in the ocean and a Verona integron
21 augustus 2014 · 1 uur 18 min
Vincent, Elio, Michael, and Michele discuss the diel transcriptional rythmns of bacterioplankton communities in the ocean, and extensively drug resistant Pseudomonas in Ohio.
-
TWiM #84: Microbiology Down Under
11 augustus 2014 · 1 uur 9 min
In Melbourne, Australia Vincent speaks with David, Melanie, and Adam about their work on group A Streptococcus, Helicobacter pylori, and infections of Koalas with Chlamydia.
-
TWiM #83: Illuminating tuberculosis and cryptococcosis
24 juli 2014 · 1 uur 19 min
Vincent, Michael, Elio and Michele review a new fluorogenic diagnostic test for tuberculosis bacteria, and the role of a metalloprotease in helping a fungus invade the central nervous system.
-
TWiM #82: Betrayal and compromise
10 juli 2014 · 1 uur 12 min
Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson. Lees meer
Vincent, Michael, Elio and Michele discuss how an endosymbiont betrays its aphid host to alert plant defenses, and a new immunosuppressive cell that allows infection of neonates.
Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.
Links for this episode
Endosymbiont protein betrays aphid (PNAS)
Plant immune system (Nature)
Plant defenses against pathogens (Am Phyt Soc)
New neonatal defense against infection (Nature)
Marty Blaser and Bill Maher (YouTube)
Two days from any village (YouTube)
Letters read on TWiM 82
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #81: Cold iron is the master of them all
28 juni 2014 · 1 uur 11 min
Vincent, Michael, and Michele discuss how iron might disperse bacterial biofilms in carotid arterial plaques, and controlling Salmonella by modulating host iron homeostasis.
-
TWiM #80: Hurling fleas and designer chromosomes
11 juni 2014 · 54 min
Hosts: Vincent Racaniello, Elio Schaechter, and Michele Swanson. Lees meer
Vincent, Elio, and Michele discuss how to synthesize a designer yeast chromosome, and deciphering the genetic changes path that allowed Yersinia pestis to be transmitted by fleas.
Links for this episode:
Total synthesis of a yeast chromosome (Science)
Evolution of Y. pestis to flea-borne transmission (Cell Host Micr)
Proventricular valve (Wikipedia)
Image: flea with Y. pestis proventricular mass
Letters read on TWiM 80
Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.
-
TWiM #79: A community of microbiologists
29 mei 2014 · 1 uur 12 min
Vincent, Michael, and Michele review highlights of the 2014 General Meeting of the American Society for Microbiology in Boston, MA.
-
TWiM #78: A bacterium grows in Brooklyn
15 mei 2014 · 1 uur 4 min
Vincent, Elio, and Michael consider a fungal pathogen of insects that acquired a gene from its host that facilitates infection, and presence of gram-negative nosocomial pathogens on community surfaces near hospitals in Brooklyn.
-
TWiM #77: Zombie plants and no pain, no gain
1 mei 2014 · 1 uur 8 min
Vincent, Elio, Michael, and Michelle review how a pathogen promotes plant attractiveness to insect vectors, and activation of sensory neurons that modulate pain and inflammation by bacterial infection.
-
TWiM #76: Genetic biopixels and a pathogenic sweet tooth
12 april 2014 · 1 uur 7 min
Vincent, Elio, Michael, and Michelle discuss the use of bacteria to build a genetic sensor for heavy metals, and how host sugars help enteric pathogens to expand after antibiotic treatment.
-
TWiM #75: Pellicles on pickle jars
27 maart 2014 · 1 uur 22 min
Vincent, Elio, Michael, and Michelle discuss a symbiosis between a bacterium and fungus that increases the virulence of oral biofilms, and the assembly of amyloid fibers, which are needed for biofilm formation.
-
TWiM #74: It came from the Siberian permafrost
12 maart 2014 · 1 uur 10 min
Vincent, Elio, and Michael discuss a huge 30,000 year old virus recovered from Siberia, and nested symbiosis facilitated by horizontal gene transfer from bacteria to insect.
-
TWiM #73: Eyeing root nodule development
27 februari 2014 · 1 uur 20 min
Vincent, Michael, and Michele discuss how soil-dwelling bacteria induce the formation of root nodules on legumes via a protein called CYCLOPS.
-
TWiM #72: The benefits of virulence
13 februari 2014 · 1 uur 14 min
Vincent, Elio, Michael, and Michele review how microbial virulence can be increased as a consequence of community surveillance and adaptation to macrophages.
-
TWiM #71: Colon cancer's little shop of horrors
22 januari 2014 · 1 uur 19 min
Vincent, Michael, and Michele explain how the gut microbiome modulates colon tumorigenesis, and regulation of intestinal macrophage function by the microbial metabolite butyrate.
-
TWiM #70: A paroxysmal cough
18 december 2013 · 1 uur 13 min
Vincent, Elio, Michael, and Michele discuss evidence that the acellular pertussis vaccine fails to prevent infection and transmission in nonhuman primates, and the use of bacterial cytological profiling to identify pathways targeted by antibiotics.
-
TWiM #69: Bacterial DNA in the human genome
27 november 2013 · 1 uur 10 min
Vincent, Elio, Jo, and Michele review evidence for bacterial DNA integrated into the human genome, and control of the symbiont population in an insect midgut.
-
TWiM #68: The fungus among us
14 november 2013 · 1 uur 11 min
Vincent, Elio, Michael, and Michele discuss the amazingly high level of intergenera gene exchange among haloarchaea in an Antarctic lake, and the diversity of fungi on residential surfaces and the human forehead.