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Abraham lab at Harvard Medical School

@abrahamlabhms.bsky.social
147 followers 185 following 64 posts
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 16/09/2026
Excited to share our newest publication revealing the structural and biophysical basis for monkeypox virus replisome activation! @hhmi-science.bsky.social @harvardmicro.bsky.social @hc2em.bsky.social @harvardmed.bsky.social @nature.com www.nature.com/articles/s41...
nature.com
Structure and operating principles of a monkeypox virus replisome - Nature
During replisome assembly of monkeypox virus, the hexameric helicase–primase E5 undergoes large-scale conformational changes that allow two of its primase domains to interact with the polymerase F8 th...
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 25/08/2026
We are excited to share our new @biorxivpreprint.bsky.social examining the structural basis for receptor binding by two flaviviruses 🤩: www.biorxiv.org/content/10.6... @harvardmicro.bsky.social @harvardvirology.bsky.social @hhmi-science.bsky.social
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 30/07/2026
We are excited to share two preprints reporting a mosquito-specific receptor for chikungunya virus and other alphaviruses! 🤩 www.biorxiv.org/content/10.6... www.biorxiv.org/content/10.6... @harvardmicro.bsky.social @harvardvirology.bsky.social @hhmi-science.bsky.social
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 03/03/2026
Excited to share this short video about our lab's work! Thank you Harvard Medicine News Team! @harvardmicro.bsky.social @hhmi-science.bsky.social @harvard.edu ❤️🎥😃https://www.youtube.com/shorts/GFM3KLZCDps
youtube.com
Harvard Medical School Scientists Working to Prevent the Next Pandemic
YouTube video by Harvard Medical School
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 29/12/2025
We are excited to share our new @CellCellPress paper revealing mechanisms of action of promising drugs against the helicase-primase of herpes simplex virus 1 (HSV-1) 🤩 harvardvirology.bsky.social www.cell.com/cell/fulltex...
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Reposted by Abraham lab at Harvard Medical School
Cell - a Cell Press journal @cp-cell.bsky.social · 29/12/2025
Now online! Mechanisms of HSV-1 helicase-primase inhibition and replication fork complex assembly
dlvr.it
Mechanisms of HSV-1 helicase-primase inhibition and replication fork complex assembly
Cryo-EM structures of HSV-1 helicase-primase and replication fork complexes reveal mechanisms of drug inhibition, features that explain drug selectivity, and the molecular basis of replication fork complex assembly during herpesvirus DNA replication.
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Reposted by Abraham lab at Harvard Medical School
Nature Microbiology @natmicrobiol.nature.com · 11/08/2025
#NewResearch Cryo-EM structures of the full-length Junin virus and Machupo virus spike glycoprotein complexes stabilized in the prefusion conformation - analyses reveal features that regulate glycoprotein pH-dependent membrane fusion activity. #MicroSky 🦠 www.nature.com/articles/s41...
nature.com
Molecular organization of the New World arenavirus spike glycoprotein complex - Nature Microbiology
Cryo-EM structures of the full-length Junin virus and Machupo virus spike glycoprotein complexes stabilized in the prefusion conformation. Analyses reveal features that regulate glycoprotein pH-depend...
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 09/08/2025
Excited to share our new @natmicrobiol.nature.com paper revealing the most complete arenavirus glycoprotein complex (GPC) structures to date 🤩 www.nature.com/articles/s41...
nature.com
Molecular organization of the New World arenavirus spike glycoprotein complex - Nature Microbiology
Cryo-EM structures of the full-length Junin virus and Machupo virus spike glycoprotein complexes stabilized in the prefusion conformation. Analyses reveal features that regulate glycoprotein pH-depend...
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Reposted by Abraham lab at Harvard Medical School
Cell - a Cell Press journal @cp-cell.bsky.social · 05/04/2025
Now online! Molecular basis for shifted receptor recognition by an encephalitic arbovirus
dlvr.it
Molecular basis for shifted receptor recognition by an encephalitic arbovirus
Cryo-EM structures and mutational analyses reveal western equine encephalitis virus E2-E1 glycoprotein polymorphisms that determine shifted receptor usage and allow for sequence-based prediction of strain compatibility with human receptors.
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 04/04/2025
Also sharing the terrific news piece by Jake Miller at HMS News on our latest paper! @cp-cell.bsky.social hms.harvard.edu/news/how-sma...
hms.harvard.edu
How A Small Number of Mutations Can Fuel Outbreaks of Western Equine Encephalitis Virus
Study shows how spike protein changes determine the risk of viral outbreaks
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 04/04/2025
Our study on the molecular basis of shifts in receptor recognition by western equine encephalitis virus (WEEV) in the past century, led by Xiaoyi Fan and @wanyuviridae.bsky.social , is online! 👏🎉 www.cell.com/cell/fulltex...
cell.com
Molecular basis for shifted receptor recognition by an encephalitic arbovirus
Cryo-EM structures and mutational analyses reveal western equine encephalitis virus E2-E1 glycoprotein polymorphisms that determine shifted receptor usage and allow for sequence-based prediction of st...
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Abraham lab at Harvard Medical School @abrahamlabhms.bsky.social · 02/01/2025
Excited to share our @biorxivpreprint.bsky.social exploring how binding of western equine encephalitis virus (WEEV) to its cellular receptors evolved over the past century 🤩 www.biorxiv.org/content/10.1... @harvardmicro.bsky.social
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