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Abstract Detail

Evolutionary Developmental Biology (Evo-Devo)

Lim, Aedric [1], Thompson, Veronica [2], Berger, Brent [3], Riciglicano, Vincent [2], Howarth, Dianella [4].

CYCLOIDEA Gene Expression across Dipsacales in Relation to Floral Symmetry.

The Dipsacales is an order of plants that exhibits a striking shift from radial symmetry in basal lineages to bilateral symmetry. We are interested in determining how multiple copies of the transcription factor CYCLOIDEA (CYC) may be linked to floral symmetry shifts across Dipsacales. We use quantitative reverse transcriptase PCR (qPCR) to compare relative expression levels of the major copies of CYC (CYC1, CYC2, CYC3) across Dipsacales in seven different species exhibiting radial symmetry, bilateral symmetry, or asymmetry. Our data suggests that radially symmetric species do not exhibit wide variation in expression among petals, while bilateral and asymmetric flowers have pronounced differences, especially in CYC2 copies.

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1 - St. John's University, Biology, 8000 Utopia Pkwy, Jamaica, NY, 11439, USA
2 - St. John's University, Biology, 8000 Utopia Pkwy, Jamaica, NY, 11439, United States
3 - St. John's University, 8000 Utopia Parkway, Queens, NY, 11439, USA
4 - St. John's University, Department Of Ecology & Evolutionary Biology, St. Albert Hall Rm 257, 8000 Utopia Pkwy, Jamiaca, NY, 11439, USA

Floral Symmetry

Presentation Type: Poster:Posters for Topics
Session: P
Location: Hall D/The Shaw Conference Centre
Date: Monday, July 27th, 2015
Time: 5:30 PM
Number: PEV006
Abstract ID:859
Candidate for Awards:None

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