September 8th, 2022

Hosts and Speakers: TBA


October 13th, 2022

Hosts and Speakers: TBA

November 10th, 2022

Hosts and Speakers: TBA

December 8th, 2022


Hosts and Speakers: TBA

February 15th, 2022

Hosts: Mackenzie Lynes and Arthur Charles-Orszag

  • Dr. Rachel Harris, Harvard University​​

    • "Methanogens, perchlorates, transcriptomics, and Mars: Adaptive strategies of Methanosarcina barkeri to combat extreme oxidative stress​"

  • Angelina Nasthas, University of Florida

    • "OxsR in Chromatin Remodeling in Halophilic Archaea"

  • Pia Sen, NASA - Johnson Space Center

    • "Research Integration on the ISS: Things I've learned about experimental design and microbiology"


March 15th, 2022

Hosts: Farid Halim and Geovanni Santiago

  • Steven Bruckbauer, Brandeis University

    • "Live cell imaging of the Haloarchaeal DNA replication fork"

  • Dr. Catherine Badel, Indiana University

    • "The influence of chromosome organization on genome evolution in Sulfolobus"

  • Eduardo Bignon, Science for Life Foundation (Fundación Ciencia & Vida)

    • "Enveloped viruses in Haloarchaeas: viral receptor and membrane fusion"

April 19th, 2022

Hosts: Arthur Charles-Orszag and Mayel Silva-Flores

  • Aleksei Gendron, Virginia Tech

    • "Heterologous expression of methyl-coenzyme M reductase reveals the importance of organism-specific accessory proteins for proper assembly"

  • Mackenzie Lynes, Montana State University

    • "Phylogenetic and functional diversity of mcrA-encoding archaea in Yellowstone hot springs"

  • Dr. Divya Prakash, Pennsylvania State University

    • "Structure and function of an unusual flavodoxin from the domain Archaea"


May 17th, 2022


Hosts: Geovanni Santiago and Mayel Silva-Flores

  • Katie Andre, Colby College

    • "Investigation of the LonB Protease as a Key Regulator of Carotenoid Production in Haloferax volcanii"

  • Heather Schiller, University of Pennsylvania

    • "Identification and characterization of archaeal cell shape determinants"

  • Anders Kiledal, University of Delaware

    • "Backyard extremophiles: the haloarchaea inhabiting concrete"

Meeting Schedule

Our meetings take place every second Thursday of the month at 1:00 PM EST

Please join our listserv to receive the link for our meetings

Previous Presentations: Spring 2022

Current Series: Fall 2022

Fall 2021

September 14, 2021


Hosts: Farid Halim (University of Minnesota) and Rylee Hackley (Duke University)

  • Julian Damashek, Utica College
    “Determining global patterns of freshwater Thaumarchaeal diversity by mining hundreds of metagenomes”


  • Avery Fulford, Duke University
    “A comparative genomic analysis of the 250-million-year-old halophilic archaeon Halosimplex carlsbadense with related species”


  • Benjamin Tully, University of Southern California
    “Phylogenetic, functional, and ecological diversity of the ammonia-oxidizing genus Nitrosopelagicus

October 12, 2021

Hosts: Rylee Hackley (host, Duke University) and Farid Halim (co-host, University of Minnesota)

  • Ricardo Couto-Rodríguez, University of Florida
    “Lysine acetylation during oxidative stress response in the halophilic archaeon Haloferax volcanii


  • Joel Graham, University of Maryland
    “Oxygen respiration supports energy conservation in Methanosarcinales”


  • Rocío Daniela Ferregrino, Instituto Nacional de Cardiología
    “Characterization of the Krebs cycle and its physiological role in Methanosarcina acetivorans


November 9, 2021

Hosts: Arthur Charles-Orszag (UC San Francisco) and Mackenzie Lynes (Montana State University)

  • Mariana Costa (Universidad Mar de Plata)
    "Synthesis and characterization of silver and gold nanoparticles produced by the archaeon Haloferax volcanii"


  • Christine Click (University of Florida)
    "Reverse Methanogenesis"


  • Saaz Sakrikar (Duke University)
    "Histone of halophilic archaea blurs the line between transcription factor and chromatin protein"

December 14, 2021


Hosts: Mackenzie Lynes (Montana State University) and Arthur Charles-Orszag (UC San Francisco)

  • Cesar Ovando, Instituto Nacional de Cardiología​​

       "Microbial side for the "El Chichón" Volcano"​

  • Criston Young, University of Pennsylvania

       "Accessible and insightful scientific learning experiences using the                     microorganism Haloferax volcanii"

  • Betsy Peña, Instituto Nacional de Cardiología

       "Life in an active volcano: tolerance mechanisms"​

Photo by Arthur Charles-Orszag