期刊
GENES
卷 12, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/genes12071059
关键词
extracellular matrix; cell wall; hydric and salinity stress; biomechanical properties; development; innate immunity; marine macroalgae; evolutionary convergences; multicellularity; sulfated polysaccharides
资金
- French National Research Agency (ANR) [ANR-18-CE43-0003]
Multicellular eukaryotes have an expanded extracellular matrix that plays essential roles in tissue texture, cell screening, development, and immunity. The expansion of ECM in multicellular marine algae is crucial for the acquisition of complex multicellularity through various innovations, leading to convergences in ECM structures and functions across algae, animals, and plants.
Multicellular eukaryotes are characterized by an expanded extracellular matrix (ECM) with a diversified composition. The ECM is involved in determining tissue texture, screening cells from the outside medium, development, and innate immunity, all of which are essential features in the biology of multicellular eukaryotes. This review addresses the origin and evolution of the ECM, with a focus on multicellular marine algae. We show that in these lineages the expansion of extracellular matrix played a major role in the acquisition of complex multicellularity through its capacity to connect, position, shield, and defend the cells. Multiple innovations were necessary during these evolutionary processes, leading to striking convergences in the structures and functions of the ECMs of algae, animals, and plants.
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