Project Grant 2350086

Award Date 11/1/24
Completion Date 10/31/27
Dollars Obligated $1.7M
Federal Grant Program
47.074
Assistance Type
Project Grant
Place of Performance
Penn State University, PA 16802, USA
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This federal Project Grant award, valued at $1,684,000 and provided by the National Science Foundation (NSF) Biological Sciences program (CFDA 47.074), supports collaborative research by The Pennsylvania State University on host-specific response and adaptation in the parasitic agricultural pest, Cuscuta (commonly known as dodder).

The key research aims are to: 1) profile the diversity of trans-species microRNAs across Cuscuta populations and identify their host mRNA targets, 2) resequence Cuscuta genomes to characterize population genetic processes affecting microRNA diversity and host-specificity, and 3) determine how genetic variation in Cuscuta response to hosts is driven by gene expression and associated with success of host attachments. The project also includes agronomic research, extension, and outreach initiatives, such as identifying dodder-resistant blueberry cultivars and developing STEM educational resources for blind/visually impaired and deaf/hard of hearing students. This NSF-funded, three-year research effort is expected to improve understanding of how agriculturally relevant Cuscuta species successfully parasitize a wide range of hosts, which could aid farmers in managing this damaging agricultural pest.

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