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Research article2013Peer reviewedOpen access

Molecular control of normal and acrocona mutant seed cone development in Norway spruce (Picea abies) and the evolution of conifer ovule-bearing organs

Carlsbecker, Annelie; Sundström, Jens; Englund, Marie; Uddenberg, Daniel; Izquierdo, Liz; Kvarnheden, Anders; Vergara-Silva, Francisco; Engström, Peter


Our morphological and gene expression analyses give support to the hypothesis that the modern cone is a complex structure, and the ovuliferous scale the result of reductions and compactions of an ovule-bearing axillary short shoot in cones of Paleozoic conifers.


conifer reproductive development; LEAFY genes; MADS-box genes; ovule; ovuliferous scale; Picea abies var. acrocona

Published in

New Phytologist
2013, Volume: 200, number: 1, pages: 261-275