Genomes of multicellular algal sisters to land plants illuminate signaling network evolution

Abstract: Zygnematophyceae are the algal sisters of land plants. Here we sequenced four genomes of filamentous Zygnematophyceae, including chromosome-scale assemblies for three strains of Zygnema circumcarinatum. We inferred traits in the ancestor of Zygnematophyceae and land plants that might have ushered in the conquest of land by plants: expanded genes for signaling cascades, environmental response, and multicellular growth. Zygnematophyceae and land plants share all the major enzymes for cell wall synthesis and remodifications, and gene gains shaped this toolkit. Co-expression network analyses uncover gene cohorts that unite environmental signaling with multicellular developmental programs. Our data shed light on a molecular chassis that balances environmental response and growth modulation across more than 600 million years of streptophyte evolution

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch
Notes
Nature genetics. - 56, 5 (2024) , 1018-1031, ISSN: 1546-1718

Event
Veröffentlichung
(where)
Freiburg
(who)
Universität
(when)
2025
Creator
Feng, Xuehuan
Rensing, Stefan A.
Vries, Jan de
Yin, Yanbin

DOI
10.1038/s41588-024-01737-3
URN
urn:nbn:de:bsz:25-freidok-2619162
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:33 AM CEST

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Associated

Time of origin

  • 2025

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