Patterns of MADS-box gene expression mark flower-type development in Gerbera hybrida (Asteraceae) |
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| Authors: | Roosa AE Laitinen Suvi Broholm Victor A Albert Teemu H Teeri Paula Elomaa |
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| Affiliation: | (1) Department of Applied Biology, University of Helsinki, P.O.Box 27, 00014, Finland;(2) Natural History Museum, University of Oslo, P.O.Box 1172, Blindern, NO-0318, Oslo, Norway |
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| Abstract: | ![]()
Background The inflorescence of the cut-flower crop Gerbera hybrida (Asteraceae) consists of two principal flower types, ray and disc, which form a tightly packed head, or capitulum. Despite great interest in plant morphological evolution and the tractability of the gerbera system, very little is known regarding genetic mechanisms involved in flower type specification. Here, we provide comparative staging of ray and disc flower development and microarray screening for differentially expressed genes, accomplished via microdissection of hundreds of coordinately developing flower primordia. |
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