Reconstructing trait evolution in plant evo–devo studies

Delaux, Pierre-Marc; Hetherington, Alexander J.; Coudert, Yoan; Delwiche, Charles F.; Dunand, Christophe; Gould, Sven B.; Kenrick, Paul; Li, Fay‐Wei; Piégay, Hervé; Rensing, Stefan A.; Rich, Mélanie K.; Strullu‐Derrien, Christine; Vries, Jan de

doi:10.1016/j.cub.2019.09.044

Cited by 54 publications

(39 citation statements)

References 71 publications

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“…Land plants (Embryophyta) originated from a group of freshwater algae, namely charophytes (Delwiche and Cooper, 2015; de Vries and Archibald, 2018; Delaux et al ., 2019). Charophytes can be divided into Mesostigmatophyceae, Chlorokybophyceae, Klebsormidiophyceae, Zygnematophyceae, Charophyceae, and Coleochaetophyceae.…”

Section: Introductionmentioning

confidence: 99%

Flourishing in water: the early evolution and diversification of plant receptor‐like kinases

Gong

Han

2021

The Plant Journal

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SUMMARY Receptor‐like kinases (RLKs) play significant roles in mediating innate immunity and development of plants. The evolution of plant RLKs has been characterized by extensive variation in copy numbers and domain configurations. However, much remains unknown about the origin, evolution, and early diversification of plant RLKs. Here, we perform phylogenomic analyses of RLKs across plants (Archaeplastida), including embryophytes, charophytes, chlorophytes, prasinodermophytes, glaucophytes, and rhodophytes. We identify the presence of RLKs in all the streptophytes (land plants and charophytes), nine out of 18 chlorophytes, one prasinodermophyte, and one glaucophyte, but not in rhodophytes. Interestingly, the copy number of RLKs increased drastically in streptophytes after the split of the clade of Mesostigmatophyceae and Chlorokybophyceae and other streptophytes. Moreover, phylogenetic analyses suggest RLKs from charophytes form diverse distinct clusters, and are dispersed along the diversity of land plant RLKs, indicating that RLKs have extensively diversified in charophytes and charophyte RLKs seeded the major diversity of land plant RLKs. We identify at least 81 and 76 different kinase‐associated domains for charophyte and land plant RLKs, 23 of which are shared, suggesting that RLKs might have evolved in a modular fashion through frequent domain gains or losses. We also detect signatures of positive selection for many charophyte RLK groups, indicating potential functions in host–microbe interaction. Taken together, our findings provide significant insights into the early evolution and diversification of plant RLKs and the ancient evolution of plant–microbe symbiosis.

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Section: Introductionmentioning

confidence: 99%

Flourishing in water: the early evolution and diversification of plant receptor‐like kinases

Gong

Han

2021

The Plant Journal

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“…For such an inference, an accurate understanding of the plant phylogeny and the precise description of the traits of interest across this phylogeny are needed [3].…”

Section: Textmentioning

confidence: 99%

Plant Evolution: When Arabidopsis Is More Ancestral Than Marchantia

Rich

Delaux

2020

Current Biology

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“…Hence, this fern could be used to assess the cellular and molecular mechanisms in fern root development that remains unexplained. Also, Ceratopteris stands as a major model plant for evo-devo studies due to its evolutionary position in the plant phylogeny (Delaux et al, 2019). Thus, ferns have entered the modern era of plant science, with Ceratopteris as a compelling sidekick to explore the diverse evolutionary paths that this lineage have undergone in their history on Earth.…”

Section: The Ceratopteris Rac Exhibits High Mitotic Activitymentioning

confidence: 99%

“…Exploring the diversity of plant lineages using evo-devo approaches provides insights of how different organs and certain innovations that integrate the sporophyte plant body emerged during the evolution of embryophytes ( Figure 1A; Delaux et al, 2019). Delving into root evolution, several studies suggest that convergent evolutionary events took place in both extant tracheophyte lineages: lycophytes and euphyllophytes (ferns and seed plants; Figure 1A, blue circles).…”

Section: Introductionmentioning

confidence: 99%

Development and cell cycle dynamics of the root apical meristem in the fernCeratopteris richardii

Aragón-Raygoza

Vasco

Blilou

et al. 2020

Preprint

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Ferns are a representative clade in plant evolution although underestimated in the genomic era. Ceratopteris richardii is an emergent model for developmental processes in ferns, yet a complete scheme of the different growth stages is necessary. Here, we present a developmental analysis, at the tissue and cellular levels, of the first shoot-borne root of Ceratopteris. We followed early stages and emergence of the root meristem in sporelings. While assessing root growth, the first shoot-borne root ceases its elongation between the emergence of the fifth and sixth roots, suggesting Ceratopteris roots follow a determinate developmental program. We report cell division frequencies in the stem cell niche after detecting labeled nuclei in the root apical cell (RAC) and derivatives after 8 hours of exposure. These results demonstrate the RAC has a continuous mitotic activity during root development. Detection of cell cycle activity in the RAC at early times suggests this cell acts as a non-quiescent organizing center. Overall, our results provide a framework to study root function and development in ferns and to better understand the evolutionary history of this organ.Summary StatementIn the Ceratopteris root, the apical cell and its derivatives have a high division frequency, suggesting the apical cell acts as a non-quiescent organizing center in the stem cell niche.

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Reconstructing trait evolution in plant evo–devo studies

Cited by 54 publications

References 71 publications

Flourishing in water: the early evolution and diversification of plant receptor‐like kinases

Flourishing in water: the early evolution and diversification of plant receptor‐like kinases

Plant Evolution: When Arabidopsis Is More Ancestral Than Marchantia

Development and cell cycle dynamics of the root apical meristem in the fernCeratopteris richardii

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