Author

Rick Portman

University of Tulsa

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Developmental Biology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 1 Organism:mouse· 1 Organism:zebrafish· 1

Frequent Co-Authors

Abbirami Sathappan· 1 shared Eva Stickler· 1 shared Fatima Al AliiD· 1 shared Lillian GhanemiD· 1 shared Maha A AbdullaiD· 1 shared Matteo AvellaiD· 1 shared Mohamed Nadhir DjekideliD· 1 shared Sahar Isa Da'asiD· 1 shared

Activity by Year

2025-2025 · peak 1/yr

Co-Author Collaboration Network

9 top collaborators · 36 mutual co-author links

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1 shared paperDevelopmental Biology

Abbirami Sathappan

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1 paper

Recent·Most cited

Cross-species insemination reveals mouse sperm ability to locate and cross the fish micropyle

Suma Garibova, Eva Stickler, Fatima Al Ali, Maha A Abdulla, Abbirami Sathappan, Sahar Isa Da'as, Lillian Ghanem, Mohamed Nadhir Djekidel, Rick Portman, Matteo Avella

The paper shows mouse sperm can enter zebrafish eggs through the micropyle but not bind the chorion, revealing conserved mechanisms of gamete interaction.

eLife · Oct 16, 2025Peer-reviewedDevelopmental Biology