首页|Macroalgal deep genomics illuminate multiple paths to aquatic,photosynthetic multicellularity

Macroalgal deep genomics illuminate multiple paths to aquatic,photosynthetic multicellularity

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Macroalgae are multicellular,aquatic autotrophs that play vital roles in global climate maintenance and have diverse applications in biotechnology and eco-engineering,which are directly linked to their multicel-lularity phenotypes.However,their genomic diversity and the evolutionary mechanisms underlying multi-cellularity in these organisms remain uncharacterized.In this study,we sequenced 110 macroalgal genomes from diverse climates and phyla,and identified key genomic features that distinguish them from their microalgal relatives.Genes for cell adhesion,extracellular matrix formation,cell polarity,trans-port,and cell differentiation distinguish macroalgae from microalgae across all three major phyla,consti-tuting conserved and unique gene sets supporting multicellular processes.Adhesome genes show phylum-and climate-specific expansions that may facilitate niche adaptation.Collectively,our study re-veals genetic determinants of convergent and divergent evolutionary trajectories that have shaped morphological diversity in macroalgae and provides genome-wide frameworks to understand photosyn-thetic multicellular evolution in aquatic environments.

macroalgaemulticellularitycomparative genomicsevolutionadhesomeendogenous viral elements

David R.Nelson、Alexandra Mystikou、Ashish Jaiswal、Cecilia Rad-Menendez、Michael J.Preston、Frederik De Boever、Diana C.El Assal、Sarah Daakour、Michael W.Lomas、Jean-Claude Twizere、David H.Green、William C.Ratcliff、Kourosh Salehi-Ashtiani

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Division of Science and Math,New York University Abu Dhabi,Abu Dhabi,UAE

Center for Genomics and Systems Biology(CGSB),New York University Abu Dhabi,Abu Dhabi,UAE

Biotechnology Research Center,Technology Innovation Institute,PO Box 9639,Masdar City,Abu Dhabi,UAE

Culture Collection of Algae and Protozoa,Scottish Association for Marine Science,Oban,Scotland,UK

National Center for Marine Algae and Microbiota,Bigelow Laboratory for Ocean Sciences,East Boothbay,ME,USA

Laboratory of Viral Interactomes,GIGA Institute,University of Liege,Liege,Belgium

School of Biological Sciences,Georgia Institute of Technology,Atlanta,GA,USA

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NYUAD Faculty Research FundsTamkeen under the NYU Abu Dhabi Research Institute Award to the NYUAD Center for Genomics and Systems Biology

AD06073 71210 CGSB9

2024

10.1016/j.molp.2024.03.011

分子植物(英文版)
中科院上海生命科学研究院植物生理生态所　中国植物生理学会

分子植物(英文版)

CSTPCD
影响因子：0.659
ISSN：1674-2052
年,卷(期)：2024.17(5)