Gene refashioning through innovative shifting of reading frames in mosses

Yanlong Guan, Li Liu, Qia Wang, Jinjie Zhao, Ping Li, Jinyong Hu, Zefeng Yang, Mark P. Running, Hang Sun and Jinling Huang ()
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Yanlong Guan: Kunming Institute of Botany, Chinese Academy of Sciences
Li Liu: Kunming Institute of Botany, Chinese Academy of Sciences
Qia Wang: Kunming Institute of Botany, Chinese Academy of Sciences
Jinjie Zhao: Kunming Institute of Botany, Chinese Academy of Sciences
Ping Li: Kunming Institute of Botany, Chinese Academy of Sciences
Jinyong Hu: Kunming Institute of Botany, Chinese Academy of Sciences
Zefeng Yang: Yangzhou University
Mark P. Running: University of Louisville
Hang Sun: Kunming Institute of Botany, Chinese Academy of Sciences
Jinling Huang: Kunming Institute of Botany, Chinese Academy of Sciences

Nature Communications, 2018, vol. 9, issue 1, 1-10

Abstract: Abstract Early-diverging land plants such as mosses are known for their outstanding abilities to grow in various terrestrial habitats, incorporating tremendous structural and physiological innovations, as well as many lineage-specific genes. How these genes and functional innovations evolved remains unclear. In this study, we show that a dual-coding gene YAN/AltYAN in the moss Physcomitrella patens evolved from a pre-existing hemerythrin gene. Experimental evidence indicates that YAN/AltYAN is involved in fatty acid and lipid metabolism, as well as oil body and wax formation. Strikingly, both the recently evolved dual-coding YAN/AltYAN and the pre-existing hemerythrin gene might have similar physiological effects on oil body biogenesis and dehydration resistance. These findings bear important implications in understanding the mechanisms of gene origination and the strategies of plants to fine-tune their adaptation to various habitats.

Date: 2018
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DOI: 10.1038/s41467-018-04025-x

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