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Abstract Detail

Evolutionary Developmental Biology (Evo-Devo)

Singh, Vibhuti [1], Sengupta, Aniket [2], Hileman, Lena [3].

Mimulus lewisii (Phrymaceae) - an emerging model system to unravel the mechanism of bilateral floral symmetry .

Bilateral floral symmetry is one of the key traits involved in angiosperm diversification. The trait is thought to have evolved at least 70 times independently from radially symmetrical ancestors and has been associated with the evolution of specialized pollinators. Extensive work in the model species snapdragon (Antirrhinum majus, Plantaginaceae, Lamiales), has revealed the role of the gene regulatory network involving interplay of two TCP (CYCLOIDEA and DICHOTOMA) and two MYB domain (RADIALIS, DIVARICATA) transcriptional factors in the development of bilateral flower symmetry. However, lack of genomic resources and stable transformation protocol in snapdragon makes follow-on molecular studies difficult. Mimulus lewisii (Phrymaceae, Lamiales) a close relative of snapdragon is an emerging model system for developmental studies owing to the availability of genomic data and an efficient floral dip transformation method. We are characterizing floral mutants to determine conservation of the TCP/MYB regulatory network for bilateral floral symmetry in M. lewisii. These data will establish a baseline for utilizing M. lewisii as a suitable model species to further dissect the genetic control of flower symmetry in Lamiales.

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1 - University of Kansas, Haworth hall, 1200 sunnyside, Room no. 8009, Lawrence, Kansas, 66045, United States
2 - University Of Kansas, Ecology And Evolutionary Biology, 8009 Haworth Hall, 1200 Sunnyside Avenue, Lawrence, KS, 66045, United States
3 - University Of Kansas, Ecology And Evolutionary Biology, 1200 Sunnyside Avenue, Lawrence, KS, 66045, United States

bilateral floral symmetry
Mimulus lewisii
floral mutants
model species.

Presentation Type: Poster
Session: P, Evolutionary Developmental Biology (Evo-Devo)
Location: Grand Ballroom - Exhibit Hall/Mayo Civic Center
Date: Monday, July 23rd, 2018
Time: 5:30 PM This poster will be presented at 5:30 pm. The Poster Session runs from 5:30 pm to 7:00 pm. Posters with odd poster numbers are presented at 5:30 pm, and posters with even poster numbers are presented at 6:15 pm.
Number: PEV003
Abstract ID:503
Candidate for Awards:None


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