Author

Alberto Ospina Stella

UNSW SydneyORCID 0000-0002-0972-8693Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Research Focus:cell signaling & trafficking· 1 Research Focus:cell type annotation· 1 Approach:experimental assay· 1 Research Focus:host-pathogen & immune response· 1 Organism:human· 1 Assay:proteomics· 1 Assay:spatial transcriptomics· 1 Approach:statistical model· 1

Frequent Co-Authors

Alexander A. KhromykhiD· 1 shared Andrew N. GinniD· 1 shared Anthony Dominic KelleheriD· 1 shared Anupriya AggarwaliD· 1 shared Camille EsneauiD· 1 shared Cesar L. MorenoiD· 1 shared Christina FichteriD· 1 shared Elena M. MartineziD· 1 shared

Activity by Year

2025-2025 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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1 shared paperMicrobiology

Alexander A. KhromykhORCID

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1 paper

Recent·Most cited

Replication of SARS-CoV-2 Omicron lineages is defined by TMPRSS2 use in environments where ACE2 is complexed with solute carriers SLC6A19 and SLC6A20.

Anupriya Aggarwal, Samantha Ognenovska, Timothy Ison, Christina Fichter, Vanessa Milogiannakis, Madeeha Afzal, Alberto Ospina Stella, Shafagh A. Waters, Camille Esneau, Nathan Wylie Bartlett, Stefan Pöhlmann, Markus Hoffmann, Louise M. Burrell, Sheila K. Patel, Sally Ellis, , Stuart Grant Turville

This paper shows that SARS-CoV-2 Omicron lineages replicate using a specific ACE2 pool that does not complex with TMPRSS2, unlike pre-Omicron variants.

bioRxiv · Jul 7, 2025 · PreprintMicrobiology