Convergent evolution of gene regulatory networks underlying plant adaptations to dry environments

Autor: Artur, Mariana A.S., Kajala, Kaisa, Sub Plant Ecophysiology, Plant Ecophysiology
Přispěvatelé: Sub Plant Ecophysiology, Plant Ecophysiology
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Plant Cell and Environment, 44(10), 3211-3222
Plant Cell and Environment, 44(10), 3211. Wiley-Blackwell
Plant, Cell & Environment
Plant Cell and Environment 44 (2021) 10
ISSN: 0140-7791
Popis: Plants transitioned from an aquatic to a terrestrial lifestyle during their evolution. On land, fluctuations on water availability in the environment became one of the major problems they encountered. The appearance of morpho‐physiological adaptations to cope with and tolerate water loss from the cells was undeniably useful to survive on dry land. Some of these adaptations, such as carbon concentrating mechanisms (CCMs), desiccation tolerance (DT) and root impermeabilization, appeared in multiple plant lineages. Despite being crucial for evolution on land, it has been unclear how these adaptations convergently evolved in the various plant lineages. Recent advances on whole genome and transcriptome sequencing are revealing that co‐option of genes and gene regulatory networks (GRNs) is a common feature underlying the convergent evolution of these adaptations. In this review, we address how the study of CCMs and DT has provided insight into convergent evolution of GRNs underlying plant adaptation to dry environments, and how these insights could be applied to currently emerging understanding of evolution of root impermeabilization through different barrier cell types. We discuss examples of co‐option, conservation and innovation of genes and GRNs at the cell, tissue and organ levels revealed by recent phylogenomic (comparative genomic) and comparative transcriptomic studies.
In this review, the authors highlight recent research on signatures of convergent evolution of regulatory networks underlying carbon concentrating mechanisms such as C4 and CAM photosynthesis, desiccation tolerance in seeds and resurrection plants and impermeabilization of root exodermis.
Databáze: OpenAIRE