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Article

Signatures of Transcription Factor Evolution and the Secondary Gain of Red Algae Complexity

1
Plant Cell Biology, Department of Biology, University of Marburg, 35037 Marburg, Germany
2
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
3
Algal Genetics Group, UMR 8227, Integrative Biology of Marine Models, Station Biologique de Roscoff, Sorbonne Université, CNRS, UPMC University Paris 06, CS 90074, 29688 Roscoff, France
4
Institute for Molecular Evolution, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany
5
Centre for Biological Signaling Studies (BIOSS), University of Freiburg, 79108 Freiburg, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Erich Bornberg-Bauer
Genes 2021, 12(7), 1055; https://doi.org/10.3390/genes12071055
Received: 5 May 2021 / Revised: 4 July 2021 / Accepted: 5 July 2021 / Published: 9 July 2021
(This article belongs to the Special Issue Evolution of Multicellularity)
Red algae (Rhodophyta) belong to the superphylum Archaeplastida, and are a species-rich group exhibiting diverse morphologies. Theory has it that the unicellular red algal ancestor went through a phase of genome contraction caused by adaptation to extreme environments. More recently, the classes Porphyridiophyceae, Bangiophyceae, and Florideophyceae experienced genome expansions, coinciding with an increase in morphological complexity. Transcription-associated proteins (TAPs) regulate transcription, show lineage-specific patterns, and are related to organismal complexity. To better understand red algal TAP complexity and evolution, we investigated the TAP family complement of uni- and multi-cellular red algae. We found that the TAP family complement correlates with gain of morphological complexity in the multicellular Bangiophyceae and Florideophyceae, and that abundance of the C2H2 zinc finger transcription factor family may be associated with the acquisition of morphological complexity. An expansion of heat shock transcription factors (HSF) occurred within the unicellular Cyanidiales, potentially as an adaption to extreme environmental conditions. View Full-Text
Keywords: Rhodophyta; transcription factor; morphological complexity; evolution; multicellularity Rhodophyta; transcription factor; morphological complexity; evolution; multicellularity
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MDPI and ACS Style

Petroll, R.; Schreiber, M.; Finke, H.; Cock, J.M.; Gould, S.B.; Rensing, S.A. Signatures of Transcription Factor Evolution and the Secondary Gain of Red Algae Complexity. Genes 2021, 12, 1055. https://doi.org/10.3390/genes12071055

AMA Style

Petroll R, Schreiber M, Finke H, Cock JM, Gould SB, Rensing SA. Signatures of Transcription Factor Evolution and the Secondary Gain of Red Algae Complexity. Genes. 2021; 12(7):1055. https://doi.org/10.3390/genes12071055

Chicago/Turabian Style

Petroll, Romy, Mona Schreiber, Hermann Finke, J. Mark Cock, Sven B. Gould, and Stefan A. Rensing. 2021. "Signatures of Transcription Factor Evolution and the Secondary Gain of Red Algae Complexity" Genes 12, no. 7: 1055. https://doi.org/10.3390/genes12071055

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