Author:
Lin Wenye,Wang Ying,Coudert Yoan,Kierzkowski Daniel
Abstract
Specialized photosynthetic organs have appeared several times independently during the evolution of land plants. Phyllids, the leaf-like organs of bryophytes such as mosses or leafy liverworts, display a simple morphology, with a small number of cells and cell types and lack typical vascular tissue which contrasts greatly with flowering plants. Despite this, the leaf structures of these two plant types share many morphological characteristics. In this review, we summarize the current understanding of leaf morphogenesis in the model moss Physcomitrium patens, focusing on the underlying cellular patterns and molecular regulatory mechanisms. We discuss this knowledge in an evolutionary context and identify parallels between moss and flowering plant leaf development. Finally, we propose potential research directions that may help to answer fundamental questions in plant development using moss leaves as a model system.
Funder
Fonds de recherche du Québec – Nature et technologies
Natural Sciences and Engineering Research Council of Canada
Foundation for Innovative Research Groups of the National Natural Science Foundation of China
Cited by
8 articles.
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