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Molecular phylogeny and evolution of phenotype in silica-scaled chrysophyte genus Mallomonas
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SYSNO ASEP 0510429 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Molecular phylogeny and evolution of phenotype in silica-scaled chrysophyte genus Mallomonas Author(s) Čertnerová, D. (CZ)
Čertner, Martin (BU-J) ORCID
Škaloud, P. (CZ)Source Title Journal of Phycology. - : Wiley - ISSN 0022-3646
Roč. 55, č. 4 (2019), s. 912-923Number of pages 12 s. Language eng - English Country US - United States Keywords chrysophyte, silica scales, phenotypic evolution ; chrysophyte ; silica scales Subject RIV EF - Botanics OECD category Plant sciences, botany Method of publishing Limited access Institutional support BU-J - RVO:67985939 UT WOS 000481506300014 EID SCOPUS 85068029206 DOI 10.1111/jpy.12882 Annotation The evolution of phenotypes is highly understudied in protists, due to the dearth of morphological characters, missing fossil record, and/or unresolved phylogeny in the majority of taxa. We used chrysophyte genus Mallomonas (Stramenopiles) that forms species-specific silica scales as a model system and assessed values of 24 morphological traits across 43 species. Then, based on our updated phylogeny of the group, we employed phylogenetic comparative methods to reconstruct the evolution of phenotypes in Mallomonas. While the evolution of some traits was rather conserved (e.g. V-rib, dome), likely due to structural and mechanical constraints, other traits changed readily during the evolution of the genus, possibly reflecting environmental shifts. Phylogenetic relatedness was often reflected in phenotypic similarity, which justifies the use of traditional species concept based on silica scale morphology. Workplace Institute of Botany Contact Martina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8 Year of Publishing 2020 Electronic address http://hdl.handle.net/11104/0302592
Number of the records: 1