Author

David Ian Guest

The University of SydneyORCID 0000-0002-4138-5635Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:cell type annotation· 1 Organism:chicken / avian· 1 Research Focus:gene regulatory network inference· 1 Research Focus:host-pathogen & immune response· 1 Organism:plant (other)· 1 Assay:whole-genome sequencing· 1

Frequent Co-Authors

Agus Purwantara· 2 shared Jacob DownsiD· 2 shared Peri A. TobiasiD· 2 shared Andi Zulkifli· 1 shared E. BrugmaniD· 1 shared Eirene Brugman· 1 shared Gurpreet Singh· 1 shared Juan M PardoiD· 1 shared

Activity by Year

2024-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 33 mutual co-author links

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2 shared papersMicrobiology

Agus Purwantara

Mutual co-authors in cluster

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2 papers

Recent·Most cited

Rhizoctonia theobromae isolates causing Vascular-Streak Dieback of Cocoa and Cassava Witches' Broom Disease are likely host-specific, regionally divergent and homothallic

Peri A. Tobias, Jacob Downs, Sylvie Nolf, Agus Purwantara, Junaid Muhammad, E. Brugman, Mareike Möller, Marcin Nowicki, Juan M Pardo, David Ian Guest

The study investigates Rhizoctonia theobromae isolates from cocoa and cassava diseases, finding host specificity, regional divergence, and homothallism.

bioRxiv · Feb 9, 2026 · PreprintMicrobiology

Parental assigned chromosomes for cultivated cacao provides insights into genetic architecture underlying resistance to vascular streak dieback

Peri A. Tobias, Jacob Downs, Peter Epaina, Gurpreet Singh, Robert Park, Richard J. Edwards, Eirene Brugman, Andi Zulkifli, Muhammad Junaid, Agus Purwantara, David Ian Guest

The paper uses parentally phased genomes of Theobroma cacao to identify NLR gene clusters at QTLs associated with resistance to vascular streak dieback.

The Plant Genome · Oct 15, 2024Peer-reviewedPlant Biology