ArticlePlant signaling & behavior2014
Heterotrimeric G proteins in green algae: an early innovation in the evolution of the plant lineage.
Article in Plant signaling & behavior, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 29 citations in OpenAlex.
- The role of indole-3-acetic acid and characterization of PIN transporters in complex streptophyte alga Chara braunii.The New phytologist · 2025Article
- Phytohormone profiling in an evolutionary framework.Nature communications · 2024Article
- Review
- Algae communication, conspecific and interspecific: the concepts of phycosphere and algal-bacteria consortia in a photobioreactor (PBR).Plant signaling & behavior · 2023Article
- Extra-large G proteins have extra-large effects on agronomic traits and stress tolerance in maize and rice.Trends in plant science · 2023Review
- Distribution and the evolutionary history of G-protein components in plant and algal lineages.Plant physiology · 2022Article
- Tracing the evolution of the heterotrimeric G protein α subunit in Metazoa.BMC evolutionary biology · 2018Article
- Embryophyte stress signaling evolved in the algal progenitors of land plants.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- On plant defense signaling networks and early land plant evolution.Communicative & integrative biology · 2018Review
- Sporophyte Formation and Life Cycle Completion in Moss Requires Heterotrimeric G-Proteins.Plant physiology · 2016Article
- Phospholipases as GTPase activity accelerating proteins (GAPs) in plants.Plant signaling & behavior · 2016Review
- Membrane-localized extra-large G proteins and Gbg of the heterotrimeric G proteins form functional complexes engaged in plant immunity in Arabidopsis.Plant physiology · 2015Article
- Circadian changes in endogenous concentrations of indole-3-acetic acid, melatonin, serotonin, abscisic acid and jasmonic acid in Characeae (Chara australis Brown).Plant signaling & behavior · 2015Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heterotrimeric G-proteins (G-proteins, hereafter) are important signaling components in all eukaryotes. The absence of these proteins in the sequenced genomes of Chlorophyaceaen green algae has raised questions about their evolutionary origin and prevalence in the plant lineage. The existence of G-proteins has often been correlated with the acquisition of embryophytic life-cycle and/or terrestrial habitats of plants which occurred around 450 million years ago. Our discovery of functional G-proteins in Chara braunii, a representative of the Charophycean green algae, establishes the existence of this conserved signaling pathway in the most basal plants and dates it even further back to 1-1.5 billion years ago. We have now identified the sequence homologs of G-proteins in additional algal families and propose that green algae represent a model system for one of the most basal forms of G-protein signaling known to exist to date. Given the possible differences that exist between plant and metazoan G-protein signaling mechanisms, such basal organisms will serve as important resources to trace the evolutionary origin of proposed mechanistic differences between the systems as well as their plant-specific functions.
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