Phylogenomics resolves deep subfamilial relationships in Malvaceaes.l.
G3 Genes Genomes Genetics, vol. 11
Abstract
Malvaceae s.l., the most diverse family within Malvales, includes well-known species of great economic importance like cotton, cacao, and durian. Despite numerous phylogenetic analyses employing multiple markers, relationships between several of its nine subfamilies, particularly within the largest lineage /Malvadendrina, remain unclear. In this study, we attempted to resolve the relationships within the major clades of Malvaceae s.l. using plastid genomes of 48 accessions representing all subfamilies. Maximum likelihood and Bayesian analyses recovered a fully resolved and well-supported topology confirming the split of the family into /Byttneriina (/Grewioideae +/Byttnerioideae) and /Malvadendrina. Within /Malvadendrina, /Helicteroideae occupied the earliest branching position, followed by /Sterculioideae, /Brownlowioideae, /Tiliodeae, and /Dombeyoideae formed a clade sister to /Malvatheca (/Malvoideae +/Bombacoideae), a grouping morphologically supported by the lack of androgynophore. Results from dating analyses suggest that all subfamilies originated during hot or warm phases in the Late Cretaceous to Paleocene. This study presents a well-supported phylogenetic framework for Malvaceae s.l. that will aid downstream revisions and evolutionary studies of this economically important plant family.
Authors 7
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Guangxi University · Institute of Parasitology · Czech Academy of Sciences, Biology Centre
Affiliation as printed
Biodiversity Genomics Team, Guangxi University, Nanning, Guangxi 530005, China
Institute of Parasitology, Biology Centre CAS, 37005 České Budějovice, Czech Republic
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University of Puerto Rico at Río Piedras · University of Puerto Rico System
Affiliation as printed
Alliance for Conservation Tree Genomics, 06000 Luang Prabang, Laos
Herbarium UPRRP, Department of Biology, University of Puerto Rico, San Juan PR 00925-2537, USA
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Université Paris-Saclay · Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement · Etude du Polymorphisme des Génomes Végétaux
Affiliation as printed
Alliance for Conservation Tree Genomics, 06000 Luang Prabang, Laos
Université Paris-Saclay, INRAE, Etude du Polymorphisme des Génomes Végétaux (EPGV), 91000 Evry, France
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Affiliation as printed
National Parks Board, Singapore Botanic Gardens, Singapore 259569, Singapore
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Jan J. Wieringa Aachen Naturalis Biodiversity Center Naturalis Biodiversity Center [Leiden] (Darwinweg 2
Affiliation as printed
Naturalis Biodiversity Center, 2333 CR Leiden, The Netherlands
Naturalis Biodiversity Center [Leiden] (Darwinweg 2, 2333 CR Leiden - Netherlands)
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Affiliation as printed
National Parks Board, Singapore Botanic Gardens, Singapore 259569, Singapore
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Joeri S. Strijk corresponding
Universiti Brunei Darussalam · Institute for Biodiversity and Environmental Research
Affiliation as printed
Alliance for Conservation Tree Genomics, 06000 Luang Prabang, Laos
Institute for Biodiversity and Environmental Research, Universiti Brunei Darussalam, BE1410 Brunei Darussalam
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