Plant evolution: landmarks on the path to terrestrial life

Vries, Jan de; Archibald, John M.

doi:10.1111/nph.14975

Cited by 228 publications

(198 citation statements)

References 64 publications

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“…. This observation suggests that the mechanisms for the fine control of photosynthetic electron transport changed during colonization of novel ecological niches and adaptation to habitats with different light availability, ultraviolet radiation and water limitations (Hohmann‐Marriott & Blankenship, ; de Vries & Archibald, ). Exploration of mechanistic diversity in different photosynthetic organisms is critical to better understand their evolution and the physiological role of these reactions.…”

Section: Diversity Of Molecular Mechanisms For Regulation Of Photosynmentioning

confidence: 99%

Balancing protection and efficiency in the regulation of photosynthetic electron transport across plant evolution

2018

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Contents Summary 105 I. Introduction 105 II. Diversity of molecular mechanisms for regulation of photosynthetic electron transport 106 III. Role of FLVs in the regulation of photosynthesis in eukaryotes 107 IV. Why were FLVs lost in angiosperms? 108 V. Conclusions 108 Acknowledgements 109 References 109 SUMMARY: Photosynthetic electron transport requires continuous modulation to maintain the balance between light availability and metabolic demands. Multiple mechanisms for the regulation of electron transport have been identified and are unevenly distributed among photosynthetic organisms. Flavodiiron proteins (FLVs) influence photosynthetic electron transport by accepting electrons downstream of photosystem I to reduce oxygen to water. FLV activity has been demonstrated in cyanobacteria, green algae and mosses to be important in avoiding photosystem I overreduction upon changes in light intensity. FLV-encoding sequences were nevertheless lost during evolution by angiosperms, suggesting that these plants increased the efficiency of other mechanisms capable of accepting electrons from photosystem I, making the FLV activity for protection from overreduction superfluous or even detrimental for photosynthetic efficiency.

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Section: Diversity Of Molecular Mechanisms For Regulation Of Photosynmentioning

confidence: 99%

Balancing protection and efficiency in the regulation of photosynthetic electron transport across plant evolution

2018

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“…Symbioses with Glomeromycota-like fungi are hypothesized to have occurred during an early phase of land plant terrestrialization and to have contributed significantly to the global colonization of land [[5,18-20], see also [21]]. Motivated not least by these observations, there is a growing body of literature on bryophyte–fungus interactions.…”

Section: Fungal Symbioses Exemplify Ancient Plant-microbe Interactionsmentioning

confidence: 99%

“…Not surprisingly, the potential for PTI can be found in early-branching land plant lineages as well as streptophyte algae (for a comprehensive discussion of genetic potential in streptophyte algae, see [5]). Streptophyte algae such as Coleochaete and Nitella have been found to contain lignin-like components [49,57-59], potentially used for cell wall reinforcement during pathogen attack.…”

Section: Pti and Eti In Non-flowering Land Plants And Maybe Streptophmentioning

confidence: 99%

“…We review what is known about the recurrent evolution of plant defense signaling networks across streptophyte evolution (Figure 1). In so doing, we span the trajectory from streptophyte algae (the closest extant relatives to land plants [3-5]), mosses, gymnosperms, and angiosperms. Since most data have been gathered for angiosperms, we will use them primarily for comparative purposes.

10.1080/19420889.2018.1486168-F0001Figure 1.Key phytopathogen interaction factors across the trajectory of streptophyte evolution.…”

Section: Introductionmentioning

confidence: 99%

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On plant defense signaling networks and early land plant evolution

Vries

Dahlen

Gould

et al. 2018

Communicative & Integrative Biology

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All land plants must cope with phytopathogens. Algae face pathogens, too, and it is reasonable to assume that some of the strategies for dealing with pathogens evolved prior to the origin of embryophytes – plant terrestrialization simply changed the nature of the plant-pathogen interactions. Here we highlight that many potential components of the angiosperm defense toolkit are i) found in streptophyte algae and non-flowering embryophytes and ii) might be used in non-flowering plant defense as inferred from published experimental data. Nonetheless, the common signaling networks governing these defense responses appear to have become more intricate during embryophyte evolution. This includes the evolution of the antagonistic signaling pathways of jasmonic and salicylic acid, multiple independent expansions of resistance genes, and the evolution of resistance gene-regulating microRNAs. Future comparative studies will illuminate which modules of the streptophyte defense signaling network constitute the core and which constitute lineage- and/or environment-specific (peripheral) signaling circuits.

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“…The streptophyte Zygnema is also fascinating from an evolutionary point of view, because the Zygnematophyceae were shown to be the sister lineage to the land plants (Wodniok et al ., ; Wickett et al ., ; De Vries and Archibald, ). About 700 million years ago, the Chloroplastida split into two clades, the Chlorophyta and the Charophyta (‘streptophytic green algae’), both of which contain taxa that exhibit adaptations to the terrestrial habitat.…”

Section: Introductionmentioning

confidence: 99%

Metatranscriptomic and metabolite profiling reveals vertical heterogeneity within a Zygnema green algal mat from Svalbard (High Arctic)

Rippin

Pichrtová

Arc

et al. 2019

Environmental Microbiology

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Summary Within streptophyte green algae Zygnematophyceae are the sister group to the land plants that inherited several traits conferring stress protection. Zygnema sp., a mat‐forming alga thriving in extreme habitats, was collected from a field site in Svalbard, where the bottom layers are protected by the top layers. The two layers were investigated by a metatranscriptomic approach and GC–MS‐based metabolite profiling. In the top layer, 6569 genes were significantly upregulated and 149 were downregulated. Upregulated genes coded for components of the photosynthetic apparatus, chlorophyll synthesis, early light‐inducible proteins, cell wall and carbohydrate metabolism, including starch‐degrading enzymes. An increase in maltose in the top layer and degraded starch grains at the ultrastructural levels corroborated these findings. Genes involved in amino acid, redox metabolism and DNA repair were upregulated. A total of 29 differentially accumulated metabolites (out of 173 identified ones) confirmed higher metabolic turnover in the top layer. For several of these metabolites, differential accumulation matched the transcriptional changes of enzymes involved in associated pathways. In summary, the findings support the hypothesis that in a Zygnema mat the top layer shields the bottom layers from abiotic stress factors such as excessive irradiation.

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Plant evolution: landmarks on the path to terrestrial life

Cited by 228 publications

References 64 publications

Balancing protection and efficiency in the regulation of photosynthetic electron transport across plant evolution

Balancing protection and efficiency in the regulation of photosynthetic electron transport across plant evolution

On plant defense signaling networks and early land plant evolution

Metatranscriptomic and metabolite profiling reveals vertical heterogeneity within a Zygnema green algal mat from Svalbard (High Arctic)

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