ArticleSystematic biology2020
Continued Adaptation of C4 Photosynthesis After an Initial Burst of Changes in the Andropogoneae Grasses.
Article in Systematic biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 42 citations in OpenAlex.
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- Extensive genome evolution distinguishes maize within a stable tribe of grasses.bioRxiv : the preprint server for biology · 2025Article
- The complete chloroplast genome ofMitochondrial DNA. Part B, Resources · 2025Article
- A nuclear phylogenomic tree of grasses (Poaceae) recovers current classification despite gene tree incongruence.The New phytologist · 2025Article
- Characterization of the complete chloroplast genome ofMitochondrial DNA. Part B, Resources · 2025Article
- Comparative plastome analysis of Arundinelleae (Poaceae, Panicoideae), with implications for phylogenetic relationships and plastome evolution.BMC genomics · 2024Article
- Biochemical and Structural Diversification of CPlants (Basel, Switzerland) · 2023Article
- Multiple highly expressed phosphoenolpyruvate carboxylase genes have divergent enzyme kinetic properties in two C4 grasses.Annals of botany · 2023Article
- A Machine Learning Framework Identifies Plastid-Encoded Proteins Harboring C3 and C4 Distinguishing Sequence Information.Genome biology and evolution · 2023Article
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- Phylogenomics and morphological evolution of the mega-diverse genus Artemisia (Asteraceae: Anthemideae): implications for its circumscription and infrageneric taxonomy.Annals of botany · 2023Article
- Targeted metabolite profiling as a top-down approach to uncover interspecies diversity and identify key conserved operational features in the Calvin-Benson cycle.Journal of experimental botany · 2021Article
- Paper Spray Mass Spectrometry on the Analysis of Phenolic Compounds inPlants (Basel, Switzerland) · 2021Article
- Towards a dynamic photosynthesis model to guide yield improvement in C4 crops.The Plant journal : for cell and molecular biology · 2021Article
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- Checklist of the grasses of India.PhytoKeys · 2020Article
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15 authors at 10 institutions in 4 countries.
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No grant is acknowledged in the PubMed record.
Abstract
C$_{4}$ photosynthesis is a complex trait that sustains fast growth and high productivity in tropical and subtropical conditions and evolved repeatedly in flowering plants. One of the major C$_{4}$ lineages is Andropogoneae, a group of $\sim $1200 grass species that includes some of the world's most important crops and species dominating tropical and some temperate grasslands. Previous efforts to understand C$_{4}$ evolution in the group have compared a few model C$_{4}$ plants to distantly related C$_{3}$ species so that changes directly responsible for the transition to C$_{4}$ could not be distinguished from those that preceded or followed it. In this study, we analyze the genomes of 66 grass species, capturing the earliest diversification within Andropogoneae as well as their C$_{3}$ relatives. Phylogenomics combined with molecular dating and analyses of protein evolution show that many changes linked to the evolution of C$_{4}$ photosynthesis in Andropogoneae happened in the Early Miocene, between 21 and 18 Ma, after the split from its C$_{3}$ sister lineage, and before the diversification of the group. This initial burst of changes was followed by an extended period of modifications to leaf anatomy and biochemistry during the diversification of Andropogoneae, so that a single C$_{4}$ origin gave birth to a diversity of C$_{4}$ phenotypes during 18 million years of speciation events and migration across geographic and ecological spaces. Our comprehensive approach and broad sampling of the diversity in the group reveals that one key transition can lead to a plethora of phenotypes following sustained adaptation of the ancestral state. [Adaptive evolution; complex traits; herbarium genomics; Jansenelleae; leaf anatomy; Poaceae; phylogenomics.].
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