Tag: giant virus

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TWiV 582: This little virus went to market

• January 12, 2020
• Tagged as: african swine fever virus, capsid, China, coronavirus, cryo-electron micrography, giant virus, Huanan Fish Market, influenza, influenza excess mortality, influenza like illness, influenza vaccine, pig, Swine, three dimensional virus structure, viral, virology, virus, viruses, Wuhan pneumonia, zoonosis

TWiV provides updates on the new coronavirus causing respiratory disease in China, the current influenza season, and the epidemic of African swine fever, including determination of the three-dimensional structure of the virus particle.

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TWiV 575: Endless giant virus forms most beautiful

• November 24, 2019
• Tagged as: algal virus, Aureococcus anophagefferans, brown tide, choanoflagellate, Emiliana huxleyi, giant virus, in plaque-MSI, lipidomics, marine carbon cycle, mass spectrometry, metabolic landscape, mimiviridae, mimivirus, NCLDV, plaque assay, rhodopsin photosystem, single-cell genomics, viral, viral evolution, virology, virus, viruses

From the Fourth Symposium on Giant Virus Biology in Germany, Vincent, Rich, and Nels speak with Assaf, Stephen, and Alexandra about their careers and their work on giant viruses that infect ocean hosts: Emiliana huxleyi, Aureococcus anophagefferans, and a choanoflagellate.

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TWiV 543: Stoned and senile

• April 14, 2019
• Tagged as: alzheimer's disease, amoebae, dementia, giant virus, herpes simplex virus 1, histone, horizontal gene transfer, Medusavirus, memory loss, mouse model, NCLDV, neurodegereration, reactivation, viral, virology, virus, viruses

The TWiV team discusses Medusavirus, isolated from a hot spring in Japan, and induction of hallmarks of neurodegeneration by recurrent herpes simplex virus 1 infection of mice.

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TWiV 521: Spitting in the Allee

• November 25, 2018
• Tagged as: Acanthamoeba castellani, Allee effect, giant virus, Mollivirus sibericum, multiplicity of infection, NCLDV, nucleo-cytoplasmic virus, saliva, viral, virology, virus, virus aggregation, viruses, VSV

Team TWiV cover the discovery of another giant virus from 30,000 year old Siberian permafrost, and how viral aggregation accelerates the production of new infectious viruses and increases fitness, demonstrating an Allee effect.

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TWiV 506: A Cafeteria full of jelly rolls

• August 12, 2018
• Tagged as: Aedes aegypti, bacteriovore, Cafeteria roenbergensis virus, cryoEM, dengue fever, giant virus, spiral assembly, Vaccines, viral, virology, virus, virus structure, viruses, wolbachia

The TWiVniks explain how the three-dimensional structure of the giant Cafeteria roenbergensis virus suggests a new mode of assembly, and the apparent elimination of dengue fever in an Australian city by release of mosquitoes harboring Wolbachia.

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TWiV 490: Shave ice and giant viruses

• April 22, 2018
• Tagged as: algae, cat, cowpox, fermentation, giant virus, Hawaii, mimivirus, poxvirus, rodent, Smallpox, Tetraselmis, viral, virology, virus, viruses

From the TWiV team, human cowpox infection possibly acquired from a pet cat, and a new giant mimivirus of green algae with genes encoding enzymes of fermentation.

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TWiV 475: Everything is viral

• January 7, 2018
• Tagged as: dengue virus, flavivirus, giant virus, klausneuvirus, Noumeavirus, puppet master, RNA interference, viral, virology, virus, viruses, viruses as tools, year in review, Zika virus

In the first episode for 2018, the TWiV team reviews the amazing virology stories of 2017.

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TWiV 474: Call me fish meal

• December 31, 2017
• Tagged as: Bodo saltans virus, concatenated DNA, evolution, genome, giant virus, kinetoplastic, microzooplankton, mimivirus, tRNA, viral, virology, virus, viruses

The TWiVanguardians take on Bodo saltans virus, a leviathan which infects an abundant flagellated eukaryote in Earth’s waters.

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TWiV 440: I hardly noumeavirus

• May 7, 2017
• Tagged as: bootstrap, evolution, giant virus, marseillevirus, mimivirus, mRNA synthesis, Noumeavirus, nucleus, polyA, transcription, Vaccines, viral, virology, virus, viruses

No problem not being nice to Dickson in this episode, because he’s absent for a discussion of a new giant virus that replicates in the cytoplasm yet transiently accesses the nucleus to bootstrap infection.

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TWiV 437: Kathy’s new spindle virus

• April 16, 2017
• Tagged as: archaea, caudovirales, crispr, fourth domain of life, giant virus, igneous oceanic crust, Klosneuvirus, oceanic basement, translation, viral, virology, virus, viruses

The TWiVsters reveal new giant viruses that argue against a fourth domain of life, and discovery of viruses in the oceanic basement.