November 2025
Josh was invited to speak at Department of Molecular Genetics & Immunology at Michigan State University. He was able to meet with our key alveolar macrophage collaborator, Dr. Andrew Olive, and his laboratory to discuss our collaboration. 
November 2025
Josh was appointed the next Director of the MCB Graduate Program here at Dartmouth College.
October 2025
CONGRATULATION to Abigail McGee, a MCB graduate student, and Josh who published an editorial entitled: “Pedal to the Metal: Iron Regulation of Aspergillus fumigatus Protease Production.”
August 2025
Josh was invited to participate in the Molecular Mycology (MOMY) course in Woods Hole, Massachusetts. His lecture was entitled: “Responding to the threat of Aspergillus fumigatus: The Roles of IL-1α and Interferons in Maintaining Host Resistance.”
May 2025
Our first paper from the Obar and Olive lab collaboration entitled “TGFβ primes alveolar-like macrophages to induce type I IFN following TLR2 activation” is posted as a pre-print.
May 2025
Josh was invited to speak at the Dartmouth Immunology retreat.
April 2025
Alex Rapp, a MCB graduate student, successfully defended his Ph.D. thesis entitled: “The Impact of Polymycovirus 1 on Aspergillus fumigatus pathogenesis during Lung Infection.” He has accepted a Senior Scientist position at within the Dartmouth CF Cluster. 
March 2025
Josh spoke as part of the Department of Microbiology & Immunology seminar series here at Dartmouth College
March 2025
CONGRATULATION to The Cramer Lab (Dartmouth College) who published one of the most detailed and up-to-date reviews on Aspergillus fumigatus biology & disease in Microbiology & Molecular Biology Reviews entitled: “Recent developments in Aspergillus fumigatus research: diversity, drugs, and disease.” Thanks for including our thoughts on host immunity to Aspergillus in this exciting review.
March 2025
CONGRATULATION to Lina Abdullah, a MCB graduate student, in The Huang Lab (Dartmouth College) on her Immunity paper entitled: “The endogenous antigen-specific CD8+ T cell repertoire is composed of unbiased and biased clonotypes with differential fate commitments.” Thanks for including our thoughts in this collaboration and bringing us back to CD8 T cells!
February 2025
Josh was promoted to Professor with tenure within the Department of Microbiology & Immunology at The Geisel School of Medicine at Dartmouth!
January 2025
The Obar Lab represents at the Keystone Symposia on RNA Mediated Regulation of Immunity by Francois LeSage who presented a poster on their work in the lab.
January 2025
The Obar Lab represents at the Gordon Research Seminar on Immunology of Fungal Infections by Abigail McGee who presented a poster and talk on her work in the lab.
December 2024
Josh was appointed as an Academic Editor at PLOS Pathogens.
September 2024
Josh was invited to participate in the NIH Cytokine Interest Group Mini-Symposium focus on Fungal Infections in Bethesda, Maryland. His talk was entitled: “Responding to the threat of Aspergillus fumigatus: The Roles of IL-1α and Interferons in Maintaining Host Resistance.”
July 2024
Josh was appointed as a Section Editor of The Journal of Immunology.
April 2024
The Obar Lab represents at the Immunology 2024 meeting by Alex Rapp and Madeleine Grau who both were selected to give short talks on their work in the lab.
February 2024
Josh was invited to speak at the 10th Global Network Forum on Infection & Immunity held by Chiba University in Japan. His presentation was entitled: “Going non-viral or not: Regulation of the antifungal interferon response”.
February 2024
The Obar Lab was represented at the Keystone Symposia entitled Fungal Pathogens: Emerging Threats and Future Challenge by Alex Rapp who was selected to give short talk on his work in the lab.
September 2023
Josh’s NIH R01 entitled “Fungal spore sensing by MDA5 is necessary for antifungal immunity against Aspergillus fumigatus” was renewed for 5 additional years of funding!
September 2023
Josh was invited to speak at Department of Microbiology & Immunology at Tulane University.
July 2023
Josh was invited to speak at the FASEB Summer Research Conference entitled The Microbial Pathogenesis Conference: Mechanisms of Infectious Disease held in Southbridge, Massachusetts. His presentation was entitled: “Going non-viral or not: Regulation of the antifungal interferon response”.
June 2023
Josh was appointed as a Standing Study Section Member on Immunity & Host Defense at the NIH.
May 2023
CONGRATULATION to Kelly Shepardson, UC-Merced, and Josh published in a PLOS Pearl article in PLOS Pathogens entitled: “Coinfections in the lung: How viral infection creates a favorable environment for bacterial and fungal infections.”
May 2023
Josh was invited to speak at Immunology 2023 in Washington DC. His presentation was entitled: “Alveolar Macrophage: Controllers of the antifungal interferon response”. Additionally, Alex Rapp gave a short talk on his work in the lab at the Immunology 2023 meeting.
April 2023
The Obar Lab was represented at the Keystone Symposia entitled Inflammation in the Lung: Friend or Foe in Viral Infection by Madeleine Grau who presented a poster on her work in the lab.
January 2023
Josh was invited to speak at the Immunology of Fungal Infections Gordon Research Conference in Galveston, Texas. His presentation was entitled: “Host-Pathogen Determinants in Influenza-Associated Invasive Aspergillosis”. While both Alex Rapp and Madeleine Grau presented posters on their work in the lab.
December 2022
CONGRATULATIONS to Ko-Wei, a MCB graduate student, had his manuscript published in mBio entitled: “Postinflueza Environment Reduces Aspergillus fumigatus Conidium Clearance and Facilitates Invasive Aspergillosis In vivo.” Ko-Wei was a member of The Cramer Laboratory here at Dartmouth wo work jointly on this project with The Obar Lab.
November 2022
Josh was invited to speak at Department of Biological Sciences at Clemson University.
September 2022
Josh was invited to speak at the 21st Congress of the International Society for Human and Animal Mycology (ISAHM) in New Dehli, India. His presentation was entitled: “Alveolar Macrophage mediated host resistance against Aspergillus fumigatus”.
July 2022
Alex Rapp, a MCB graduate student, participated in the “Reproducible and FAIR Bioinformatics Analysis of Omics Data” at Mount Desert Island Biological Laboratory
July 2022
CONGRATULATIONS to Dylan Wang, a MCB graduate student, who had his second manuscript published in The Journal of Immunology entitled: “MAVS Expression in Alveolar Macrophages Is Essential for Host Resistance against Aspergillus fumigatus.” This manuscript was also highlight as a “Top Read” for the July 15th issue of The Journal of Immunology.
June 2022
Evan Bennett from Franklin Pierce University joined the laboratory for the summer as part of the Dartmouth College iSURF Program.
May 2022
The Obar Lab was represented at Immunology 2022 in Portland, Oregon with both Alex Rapp and Madeleine Grau presenting posters on their work in the lab.
April 2022
The Obar Lab was represented at the Immunology 2022 meeting by Alex Rapp and Madeleine Grau who both presented posters on their work in the lab.
March 2022
CONGRATULATIONS to Madeleine Grau, a MCB graduate student, who successfully obtained a voucher award from the Center for Quantitative Biology at Dartmouth College to start scRNA-Seq analysis in our IAV-Af super-infection model.