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Abstract Detail

Development and Structure

Katzer, Amanda [1], Wessinger, Carolyn [2], Hileman, Lena [1].

Candidate genes for nectary development in Penstemon.

Flowering plants use a number of key floral traits to effectively attract and facilitate pollen movement by biotic pollinators (pollination syndromes). We focus on the ecologically important trait of nectar, produced by structural nectaries in Penstemon. In this study, we used a transcriptomic approach in two species of Penstemon, the bee-pollinated P. neomexicanus and the hummingbird-pollinated P. barbatus to generate a list of candidate genes for modified-trichome nectary development. We narrowed this list of candidate genes by additionally generating transcriptomic data from floral tissues in the F1 hybrid to detect cis-regulated genes that differ in expression between P. neomexicanus and P. barbatus. The candidate genes identified further our understanding of trichome-based nectary development, and our understanding of nectary trait differences between species with differing pollination syndromes.

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1 - University of Kansas, Ecology & Evolutionary Biology, 1200 Sunnyside Ave, Lawrence, KS, 66045, USA
2 - University Of South Carolina, Biological Sciences, 715 Sumter St, Columbia, SC, 29208, United States

nectary development
pollination syndrome.

Presentation Type: Poster
Session: P1, Development and Structure Posters
Location: Virtual/Virtual
Date: Monday, July 19th, 2021
Time: 5:00 PM(EDT)
Number: P1DS008
Abstract ID:572
Candidate for Awards:Developmental and Structural Section best poster,Developmental and Structural Section Graduate Student Registration Award

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