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Plant Cell2024;36(10):4109-4131.October 3, 2024Journal Article

CAM evolution is associated with gene family expansion in an explosive bromeliad radiation.

Clara Groot Crego1,2, Jaqueline Hess1,3, Gil Yardeni1,4, Marylaure de La Harpe1,5, Clara Priemer6, Francesca Beclin1,2,7, Sarah Saadain1,2, Luiz A Cauz-Santos1, Eva M Temsch1, Hanna Weiss-Schneeweiss1, Michael H J Barfuss1, Walter Till1, Wolfram Weckwerth6,8, Karolina Heyduk9, Christian Lexer1, Ovidiu Paun1, Thibault Leroy1,10
1Department of Botany and Biodiversity Research, University of Vienna, 1030 Vienna, Austria.
2Vienna Graduate School of Population Genetics, Vienna, Austria.
3Cambrium GmbH, Max-Urich-Str. 3, 13055 Berlin, Germany.
4Department of Biotechnology, Institute of Computational Biology, University of Life Sciences and Natural Resources (BOKU), Muthgasse 18, 1190 Vienna, Austria.
5Office for Nature and Environment, Department of Education, Culture and Environmental protection, Canton of Grisons, 7001 Chur, Switzerland.
6Department of Functional and Evolutionary Ecology, Molecular Systems Biology (MOSYS), University of Vienna, 1030 Vienna, Austria.
7Gregor Mendel Institute, Austrian Academy of Sciences, Vienna BioCenter, 1030 Vienna, Austria.
8Vienna Metabolomics Center (VIME), University of Vienna, 1030 Vienna, Austria.
9Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, USA.
10GenPhySE, Université de Toulouse, INRAE, ENVT, 31326 Castanet Tolosan, France.
PubMed PMC DOI PDF

Abstract

The subgenus Tillandsia (Bromeliaceae) belongs to one of the fastest radiating clades in the plant kingdom and is characterized by the repeated evolution of Crassulacean acid metabolism (CAM). Despite its complex genetic basis, this water-conserving trait has evolved independently across many plant families and is regarded as a key innovation trait and driver of ecological diversification in Brome…

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