1
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Bowles AMC, Williamson CJ, Williams TA, Donoghue PCJ. Cryogenian Origins of Multicellularity in Archaeplastida. Genome Biol Evol 2024; 16:evae026. [PMID: 38333966 PMCID: PMC10883732 DOI: 10.1093/gbe/evae026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 01/30/2024] [Accepted: 02/03/2024] [Indexed: 02/10/2024] Open
Abstract
Earth was impacted by global glaciations during the Cryogenian (720 to 635 million years ago; Ma), events invoked to explain both the origins of multicellularity in Archaeplastida and radiation of the first land plants. However, the temporal relationship between these environmental and biological events is poorly established, due to a paucity of molecular and fossil data, precluding resolution of the phylogeny and timescale of archaeplastid evolution. We infer a time-calibrated phylogeny of early archaeplastid evolution based on a revised molecular dataset and reappraisal of the fossil record. Phylogenetic topology testing resolves deep archaeplastid relationships, identifying two clades of Viridiplantae and placing Bryopsidales as sister to the Chlorophyceae. Our molecular clock analysis infers an origin of Archaeplastida in the late-Paleoproterozoic to early-Mesoproterozoic (1712 to 1387 Ma). Ancestral state reconstruction of cytomorphological traits on this time-calibrated tree reveals many of the independent origins of multicellularity span the Cryogenian, consistent with the Cryogenian multicellularity hypothesis. Multicellular rhodophytes emerged 902 to 655 Ma while crown-Anydrophyta (Zygnematophyceae and Embryophyta) originated 796 to 671 Ma, broadly compatible with the Cryogenian plant terrestrialization hypothesis. Our analyses resolve the timetree of Archaeplastida with age estimates for ancestral multicellular archaeplastids coinciding with the Cryogenian, compatible with hypotheses that propose a role of Snowball Earth in plant evolution.
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Affiliation(s)
- Alexander M C Bowles
- School of Geographical Sciences, University of Bristol, Bristol BS8 1SS, UK
- Bristol Palaeobiology Group, School of Biological Sciences and School of Earth Sciences, Life Sciences Building, University of Bristol, Bristol BS8 1TQ, UK
| | | | - Tom A Williams
- Bristol Palaeobiology Group, School of Biological Sciences and School of Earth Sciences, Life Sciences Building, University of Bristol, Bristol BS8 1TQ, UK
| | - Philip C J Donoghue
- Bristol Palaeobiology Group, School of Biological Sciences and School of Earth Sciences, Life Sciences Building, University of Bristol, Bristol BS8 1TQ, UK
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2
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Maréchal E. How Did Thylakoids Emerge in Cyanobacteria, and How Were the Primary Chloroplast and Chromatophore Acquired? Methods Mol Biol 2024; 2776:3-20. [PMID: 38502495 DOI: 10.1007/978-1-0716-3726-5_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
The emergence of thylakoid membranes in cyanobacteria is a key event in the evolution of all oxygenic photosynthetic cells, from prokaryotes to eukaryotes. Recent analyses show that they could originate from a unique lipid phase transition rather than from a supposed vesicular budding mechanism. Emergence of thylakoids coincided with the great oxygenation event, more than two billion years ago. The acquisition of semi-autonomous organelles, such as the mitochondrion, the chloroplast, and, more recently, the chromatophore, is a critical step in the evolution of eukaryotes. They resulted from primary endosymbiotic events that seem to share general features, i.e., an acquisition of a bacterium/cyanobacteria likely via a phagocytic membrane, a genome reduction coinciding with an escape of genes from the organelle to the nucleus, and, finally, the appearance of an active system translocating nuclear-encoded proteins back to the organelles. An intense mobilization of foreign genes of bacterial origin, via horizontal gene transfers, plays a critical role. Some third partners, like Chlamydia, might have facilitated the transition from cyanobacteria to the early chloroplast. This chapter further details our current understanding of primary endosymbiosis, focusing on primary chloroplasts, thought to have appeared over a billion years ago, and the chromatophore, which appeared around a hundred years ago.
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Affiliation(s)
- Eric Maréchal
- Laboratoire de Physiologie Cellulaire et Végétale, IRIG, CEA-Grenoble, CNRS, CEA, INRAE, Univ. Grenoble Alpes, Grenoble, France.
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3
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Flores Tinoco V, Herrera-Estrella L, Lopez-Arredondo D. Back to primary endosymbiosis: from plastids to artificial photosynthetic life-forms. Trends Plant Sci 2023; 28:743-745. [PMID: 37085412 DOI: 10.1016/j.tplants.2023.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 05/03/2023]
Abstract
Throughout evolution, only two known primary photosynthetic endosymbiosis occurred, which originated the Archaeplastida and the Paulinella spp. Fundamental questions regarding primary endosymbiosis remain unsolved, but may now be addressed with the recent development of chimeric photosynthetic life-form. Cournoyer et al. could establish artificial photosynthetic endosymbiosis between yeast and cyanobacteria.
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Affiliation(s)
- Valeria Flores Tinoco
- Institute of Genomics for Crop Abiotic Stress Tolerance, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA
| | - Luis Herrera-Estrella
- Institute of Genomics for Crop Abiotic Stress Tolerance, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA; Unidad de Genómica Avanzada/LANGEBIO, Centro de Investigación y de Estudios Avanzados, Irapuato, México
| | - Damar Lopez-Arredondo
- Institute of Genomics for Crop Abiotic Stress Tolerance, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA.
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4
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Van Etten J, Benites LF, Stephens TG, Yoon HS, Bhattacharya D. Algae obscura: The potential of rare species as model systems. J Phycol 2023; 59:293-300. [PMID: 36764681 DOI: 10.1111/jpy.13321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 01/28/2023] [Indexed: 05/28/2023]
Abstract
Model organism research has provided invaluable knowledge about foundational biological principles. However, most of these studies have focused on species that are in high abundance, easy to cultivate in the lab, and represent only a small fraction of extant biodiversity. Here, we present three examples of rare algae with unusual features that we refer to as "algae obscura." The Cyanidiophyceae (Rhodophyta), Glaucophyta, and Paulinella (rhizarian) lineages have all transitioned out of obscurity to become models for fundamental evolutionary research. Insights have been gained into the prevalence and importance of eukaryotic horizontal gene transfer, early Earth microbial community dynamics, primary plastid endosymbiosis, and the origin of Archaeplastida. By reviewing the research that has come from the exploration of these organisms, we demonstrate that underappreciated algae have the potential to help us formulate, refine, and substantiate core hypotheses and that such organisms should be considered when establishing future model systems.
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Affiliation(s)
- Julia Van Etten
- Graduate Program in Ecology and Evolution, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
| | - Luiz Felipe Benites
- Department of Biochemistry and Microbiology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
| | - Timothy G Stephens
- Department of Biochemistry and Microbiology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
| | - Hwan Su Yoon
- Department of Biological Sciences, Sungkyunkwan University, Suwon, South Korea
| | - Debashish Bhattacharya
- Department of Biochemistry and Microbiology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
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5
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Rodrigues WFC, Lisboa ABP, Lima JE, Ricachenevsky FK, Del-Bem LE. Ferrous iron uptake via IRT1/ZIP evolved at least twice in green plants. New Phytol 2023; 237:1951-1961. [PMID: 36626937 DOI: 10.1111/nph.18661] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Iron (Fe) is essential for virtually all organisms, being irreplaceable because of its electrochemical properties that enable many biochemical processes, including photosynthesis. Besides its abundance, Fe is generally found in the poorly soluble form of ferric iron (Fe3+ ), while most plants uptake the soluble form Fe2+ . The model angiosperm Arabidopsis thaliana, for example, captures Fe through a mechanism that lowers rhizosphere pH through proton pumping that increases Fe3+ solubility, which is then reduced by a membrane-bound reductase and transported into the cell by the zinc-regulated, iron-regulated transporter-like protein (ZIP) family protein AtIRT1. ZIP proteins are transmembrane transporters of divalent metals such as Fe2+ , Zn2+ , Mn2+ , and Cd2+ . In this work, we investigated the evolution of functional homologs of IRON-REGULATED TRANSPORTER 1/ZIP in the supergroup Archaeplastida (Viridiplantae + Rhodophyta + Glaucophyta) using 51 genomes of diverse lineages. Our analyses suggest that Fe is acquired through deeply divergent ZIP proteins in land plants and chlorophyte green algae, indicating that Fe2+ uptake by ZIP proteins evolved independently at least twice throughout green plant evolution. Our results indicate that the archetypical IRON-REGULATED TRANSPORTER (IRT) proteins from angiosperms likely emerged before the origin of land plants during early streptophyte algae terrestrialization, a process that required the evolution of Fe acquisition in terrestrial subaerial settings.
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Affiliation(s)
- Wenderson Felipe Costa Rodrigues
- Graduate Program in Bioinformatics, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
- Graduate Program in Plant Biology, Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
- Del-Bem Lab, Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
| | - Ayrton Breno P Lisboa
- Graduate Program in Bioinformatics, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
- Del-Bem Lab, Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
| | - Joni Esrom Lima
- Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
| | - Felipe Klein Ricachenevsky
- Department of Botany, Institute of Biosciences (IB), Federal University of Rio Grande do Sul (UFRGS), 91501-900, Porto Alegre, Brazil
- Graduate Program in Cellular and Molecular Biology, Center for Biotechnology, Federal University of Rio Grande do Sul (UFRGS), 91501-900, Porto Alegre, Brazil
| | - Luiz-Eduardo Del-Bem
- Graduate Program in Bioinformatics, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
- Del-Bem Lab, Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
- Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), 31270-901, Belo Horizonte, Brazil
- MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, MI, 48824, USA
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6
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Bowles AMC, Williamson CJ, Williams TA, Lenton TM, Donoghue PCJ. The origin and early evolution of plants. Trends Plant Sci 2023; 28:312-329. [PMID: 36328872 DOI: 10.1016/j.tplants.2022.09.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/23/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
Plant (archaeplastid) evolution has transformed the biosphere, but we are only now beginning to learn how this took place through comparative genomics, phylogenetics, and the fossil record. This has illuminated the phylogeny of Archaeplastida, Viridiplantae, and Streptophyta, and has resolved the evolution of key characters, genes, and genomes - revealing that many key innovations evolved long before the clades with which they have been casually associated. Molecular clock analyses estimate that Streptophyta and Viridiplantae emerged in the late Mesoproterozoic to late Neoproterozoic, whereas Archaeplastida emerged in the late-mid Palaeoproterozoic. Together, these insights inform on the coevolution of plants and the Earth system that transformed ecology and global biogeochemical cycles, increased weathering, and precipitated snowball Earth events, during which they would have been key to oxygen production and net primary productivity (NPP).
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Affiliation(s)
- Alexander M C Bowles
- School of Geographical Sciences, University of Bristol, University Road, Bristol BS8 1SS, UK; Bristol Palaeobiology Group, School of Biological Sciences and School of Earth Sciences, Life Sciences Building, University of Bristol, Bristol BS8 1TQ, UK.
| | | | - Tom A Williams
- Bristol Palaeobiology Group, School of Biological Sciences and School of Earth Sciences, Life Sciences Building, University of Bristol, Bristol BS8 1TQ, UK
| | - Timothy M Lenton
- Global Systems Institute, University of Exeter, Laver Building, North Park Road, Exeter EX4 4QE, UK
| | - Philip C J Donoghue
- Bristol Palaeobiology Group, School of Biological Sciences and School of Earth Sciences, Life Sciences Building, University of Bristol, Bristol BS8 1TQ, UK.
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7
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Bhattacharya D, Etten JV, Benites LF, Stephens TG. Endosymbiotic ratchet accelerates divergence after organelle origin: The Paulinella model for plastid evolution: The Paulinella model for plastid evolution. Bioessays 2023; 45:e2200165. [PMID: 36328783 DOI: 10.1002/bies.202200165] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/16/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022]
Abstract
We hypothesize that as one of the most consequential events in evolution, primary endosymbiosis accelerates lineage divergence, a process we refer to as the endosymbiotic ratchet. Our proposal is supported by recent work on the photosynthetic amoeba, Paulinella, that underwent primary plastid endosymbiosis about 124 Mya. This amoeba model allows us to explore the early impacts of photosynthetic organelle (plastid) origin on the host lineage. The current data point to a central role for effective population size (Ne ) in accelerating divergence post-endosymbiosis due to limits to dispersal and reproductive isolation that reduce Ne , leading to local adaptation. We posit that isolated populations exploit different strategies and behaviors and assort themselves in non-overlapping niches to minimize competition during the early, rapid evolutionary phase of organelle integration. The endosymbiotic ratchet provides a general framework for interpreting post-endosymbiosis lineage evolution that is driven by disruptive selection and demographic and population shifts. Also see the video abstract here: https://youtu.be/gYXrFM6Zz6Q.
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Affiliation(s)
- Debashish Bhattacharya
- Department of Biochemistry and Microbiology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
| | - Julia Van Etten
- Graduate Program in Ecology and Evolution, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
| | - L Felipe Benites
- Department of Biochemistry and Microbiology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
| | - Timothy G Stephens
- Department of Biochemistry and Microbiology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA
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8
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Jardim-Messeder D, Zamocky M, Sachetto-Martins G, Margis-Pinheiro M. Chloroplastic ascorbate peroxidases targeted to stroma or thylakoid membrane: The chicken or egg dilemma. FEBS Lett 2022; 596:2989-3004. [PMID: 35776057 DOI: 10.1002/1873-3468.14438] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 12/14/2022]
Abstract
Ascorbate peroxidases (APXs) are heme peroxidases that remove hydrogen peroxide in different subcellular compartments with concomitant ascorbate cycling. Here, we analysed and discussed phylogenetic and molecular features of the APX family. Ancient APX originated as a soluble stromal enzyme, and early during plant evolution, acquired both chloroplast-targeting and mitochondrion-targeting sequences and an alternative splicing mechanism whereby it could be expressed as a soluble or thylakoid membrane-bound enzyme. Later, independent duplication and neofunctionalization events in some angiosperm groups resulted in individual genes encoding stromal, thylakoidal and mitochondrial isoforms. These data reaffirm the complexity of plant antioxidant defenses that allow diverse plant species to acquire new means to adapt to changing environmental conditions.
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Affiliation(s)
- Douglas Jardim-Messeder
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Brazil.,Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Brazil
| | - Marcel Zamocky
- Laboratory of Phylogenomic Ecology, Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovakia.,Department of Chemistry, Institute of Biochemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | | | - Márcia Margis-Pinheiro
- Departamento de Genética, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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9
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Gabriel E, Krauß N, Lamparter T. Evidence for evolutionary relationship between archaeplastidal and cyanobacterial phytochromes based on their chromophore pockets. Photochem Photobiol Sci 2022; 21:1961-1974. [PMID: 35906526 DOI: 10.1007/s43630-022-00271-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
Phytochromes are photoreceptor proteins with a bilin chromophore that undergo photoconversion between two spectrally different forms, Pr and Pfr. In plants, phytochromes play a central role in growth and differentiation during the entire life cycle. Phytochromes of plants and other groups of archaeplastida have a common evolutionary origin in prokaryotes, but the exact prokaryotic origin is as yet uncertain. Two possibilities are presently discussed: either, archaeplastidal phytochromes arose from the last eukaryotic common ancestor (LECA) or they arose from the cyanobacterial endosymbiont that gave rise to plastids. We first constructed standard phylogenetic trees based on N-terminal protein sequences of the chromophore module. As usual, variation of algorithms and parameters led to different trees. A relationship between cyanobacteria and archaeplastida was observed in 7 out of 36 trees. The lack of consistency between results obtained from variation of parameters of tree constructions reflects the uncertainty of archaeplastidal origin. To gain more information about a possible cyanobacterial and archaeplastidal relationship, we performed phylogenetic studies based on the amino acids that line the chromophore pockets. These amino acids are highly conserved and could provide more accurate information about long evolutionary time scales, but the reduction of traits could also lead to insignificant results. From 30 selected chromophore-binding amino acids, 6 were invariant. The subsequent studies were thus based on the information dependent on 24 or fewer amino acid positions. Again, multiple trees were constructed to get information about the robustness of relationships. The very low number of information-containing traits resulted in low bootstrap values and many indistinguishable leaves. However, the major groups fungi, bacteria, cyanobacteria, and plants remained united. Without exception, cyanobacteria and archaeplastida were always closely linked. In this respect, the results were more robust than those of the classic approach, based on long contiguous sequences. We therefore consider cyanobacteria as the most likely origin of archaeplastidal phytochromes.
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Affiliation(s)
- Eva Gabriel
- Karlsruhe Institute of Technology KIT, Botanical Institute, Fritz-Haber-Weg 4, 76131, Karlsruhe, Germany
| | - Norbert Krauß
- Karlsruhe Institute of Technology KIT, Botanical Institute, Fritz-Haber-Weg 4, 76131, Karlsruhe, Germany
| | - Tilman Lamparter
- Karlsruhe Institute of Technology KIT, Botanical Institute, Fritz-Haber-Weg 4, 76131, Karlsruhe, Germany.
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10
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Irisarri I, Strassert JFH, Burki F. Phylogenomic Insights into the Origin of Primary Plastids. Syst Biol 2021; 71:105-120. [PMID: 33988690 DOI: 10.1093/sysbio/syab036] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 11/13/2022] Open
Abstract
The origin of plastids was a major evolutionary event that paved the way for an astonishing diversification of photosynthetic eukaryotes. Plastids originated by endosymbiosis between a heterotrophic eukaryotic host and cyanobacteria, presumably in a common ancestor of the primary photosynthetic eukaryotes (Archaeplastida). A single origin of primary plastids is well supported by plastid evidence but not by nuclear phylogenomic analyses, which have consistently failed to recover the monophyly of Archaeplastida hosts. Importantly, plastid monophyly and non-monophyletic hosts could be explained under scenarios of independent or serial eukaryote-to-eukaryote endosymbioses. Here, we assessed the strength of the signal for the monophyly of Archaeplastida hosts in four available phylogenomic datasets. The effect of phylogenetic methodology, data quality, alignment trimming strategy, gene and taxon sampling, and the presence of outlier genes were investigated. Our analyses revealed a lack of support for host monophyly in the shorter individual datasets. However, when analyzed together under rigorous data curation and complex mixture models, the combined nuclear datasets supported the monophyly of primary photosynthetic eukaryotes (Archaeplastida) and revealed a putative association with plastid-lacking Picozoa. This study represents an important step towards better understanding deep eukaryotic evolution and the origin of plastids.
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Affiliation(s)
- Iker Irisarri
- Department of Organismal Biology (Systematic Biology), Uppsala University, Norbyv. 18D, 75236 Uppsala, Sweden.,Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales, José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - Jürgen F H Strassert
- Department of Organismal Biology (Systematic Biology), Uppsala University, Norbyv. 18D, 75236 Uppsala, Sweden.,Department of Ecosystem Research, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 301, 12587 Berlin, Germany
| | - Fabien Burki
- Department of Organismal Biology (Systematic Biology), Uppsala University, Norbyv. 18D, 75236 Uppsala, Sweden.,Science For Life Laboratory, Uppsala University, 75236 Sweden
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11
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Xu C, Chang X, Hou Z, Zhang Z, Zhu Z, Zhong B. The origin of SPA reveals the divergence and convergence of light signaling in Archaeplastida. Mol Phylogenet Evol 2021; 161:107175. [PMID: 33862251 DOI: 10.1016/j.ympev.2021.107175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 03/28/2021] [Accepted: 04/06/2021] [Indexed: 01/02/2023]
Abstract
Plants have evolved various photoreceptors to adapt to changing light environments, and photoreceptors can inactivate the large CONSTITUTIVE PHOTOMORPHOGENIC/DE-ETIOLATED/FUSCA (COP/DET/FUS) protein complex to release their repression of photoresponsive transcription factors. Here, we tracked the origin and evolution of COP/DET/FUS in Archaeplastida and found that most components of COP/DET/FUS were highly conserved. Intriguingly, the COP1-SUPPRESSOR OF PHYA-105 (SPA) protein originated in Chlorophyta but subsequently underwent a distinct evolutionary history in Viridiplantae. SPA experienced duplication events in the ancestors of specific clades after the colonization of land by plants and was divided into two clades (clades A and B) within euphyllophytes (ferns and seed plants). Our phylogenetic and experimental evidences support a new evolutionary model to clarify the divergence and convergence of light signaling during plant evolution.
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Affiliation(s)
- Chenjie Xu
- College of Life Sciences, Nanjing Normal University, 210046 Nanjing, China
| | - Xin Chang
- College of Life Sciences, Nanjing Normal University, 210046 Nanjing, China
| | - Zheng Hou
- College of Life Sciences, Nanjing Normal University, 210046 Nanjing, China
| | - Zhenhua Zhang
- College of Life Sciences, Nanjing Normal University, 210046 Nanjing, China
| | - Ziqiang Zhu
- College of Life Sciences, Nanjing Normal University, 210046 Nanjing, China
| | - Bojian Zhong
- College of Life Sciences, Nanjing Normal University, 210046 Nanjing, China.
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12
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Russell S, Jackson C, Reyes-Prieto A. High Sequence Divergence but Limited Architectural Rearrangements in Organelle Genomes of Cyanophora (Glaucophyta) Species. J Eukaryot Microbiol 2020; 68:e12831. [PMID: 33142007 DOI: 10.1111/jeu.12831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/16/2020] [Accepted: 10/27/2020] [Indexed: 11/29/2022]
Abstract
Cyanophora is the glaucophyte model taxon. Following the sequencing of the nuclear genome of C. paradoxa, studies based on single organelle and nuclear molecular markers revealed previously unrecognized species diversity within this glaucophyte genus. Here, we present the complete plastid (ptDNA) and mitochondrial (mtDNA) genomes of C. kugrensii, C. sudae, and C. biloba. The respective sizes and coding capacities of both ptDNAs and mtDNAs are conserved among Cyanophora species with only minor differences due to specific gene duplications. Organelle phylogenomic analyses consistently recover the species C. kugrensii and C. paradoxa as a clade and C. sudae and C. biloba as a separate group. The phylogenetic affiliations of the four Cyanophora species are consistent with architectural similarities shared at the organelle genomic level. Genetic distance estimations from both organelle sequences are also consistent with phylogenetic and architecture evidence. Comparative analyses confirm that the Cyanophora mitochondrial genes accumulate substitutions at 3-fold higher rates than plastid counterparts, suggesting that mtDNA markers are more appropriate to investigate glaucophyte diversity and evolutionary events that occur at a population level. The study of complete organelle genomes is becoming the standard for species delimitation and is particularly relevant to study cryptic diversity in microbial groups.
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Affiliation(s)
- Sarah Russell
- Department of Biology, University of New Brunswick, 10 Bailey Drive, Fredericton, NB, E3B 5A3, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Christopher Jackson
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada.,Royal Botanic Gardens Victoria, Melbourne, Vic., Australia
| | - Adrian Reyes-Prieto
- Department of Biology, University of New Brunswick, 10 Bailey Drive, Fredericton, NB, E3B 5A3, Canada
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Waltz F, Corre N, Hashem Y, Giegé P. Specificities of the plant mitochondrial translation apparatus. Mitochondrion 2020; 53:30-37. [PMID: 32334144 DOI: 10.1016/j.mito.2020.04.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/14/2020] [Accepted: 04/21/2020] [Indexed: 12/16/2022]
Abstract
Mitochondria are endosymbiotic organelles responsible for energy production in most eukaryotic cells. They host a genome and a fully functional gene expression machinery. In plants this machinery involves hundreds of pentatricopeptide repeat (PPR) proteins. Translation, the final step of mitochondrial gene expression is performed by mitochondrial ribosomes (mitoribosomes). The nature of these molecular machines remained elusive for a very long time. Because of their bacterial origin, it was expected that mitoribosomes would closely resemble bacterial ribosomes. However, recent advances in cryo-electron microscopy have revealed the extraordinary diversity of mitoribosome structure and composition. The plant mitoribosome was characterized for Arabidopsis. In plants, in contrast to other species such as mammals and kinetoplastids where rRNA has been largely reduced, the mitoribosome could be described as a protein/RNA-augmented bacterial ribosome. It has an oversized small subunit formed by expanded ribosomal RNAs and additional protein components when compared to bacterial ribosomes. The same holds true for the large subunit. The small subunit is characterized by a new elongated domain on the head. Among its additional proteins, several PPR proteins are core mitoribosome proteins. They mainly act at the structural level to stabilize and maintain the plant-specific ribosomal RNA expansions but could also be involved in translation initiation. Recent advances in plant mitoribosome composition and structure, its specialization for membrane protein synthesis, translation initiation, the regulation and dynamics of mitochondrial translation are reviewed here and put in perspective with the diversity of mitochondrial translation processes in the green lineage and in the wider context of eukaryote evolution.
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Affiliation(s)
- Florent Waltz
- Institut Européen de Chimie et Biologie, U1212 Inserm, Université de Bordeaux, 2 rue R. Escarpit, F 33600 Pessac, France
| | - Nicolas Corre
- Institut de biologie de moléculaire des plantes, CNRS, Université de Strasbourg, 12 rue du général Zimmer, F 67084 Strasbourg, France
| | - Yaser Hashem
- Institut Européen de Chimie et Biologie, U1212 Inserm, Université de Bordeaux, 2 rue R. Escarpit, F 33600 Pessac, France
| | - Philippe Giegé
- Institut de biologie de moléculaire des plantes, CNRS, Université de Strasbourg, 12 rue du général Zimmer, F 67084 Strasbourg, France.
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14
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Pedrola-Monfort J, Lázaro-Gimeno D, Boluda CG, Pedrola L, Garmendia A, Soler C, Soriano JM. Evolutionary Trends in the Mitochondrial Genome of Archaeplastida: How Does the GC Bias Affect the Transition from Water to Land? Plants (Basel) 2020; 9:plants9030358. [PMID: 32178249 PMCID: PMC7154891 DOI: 10.3390/plants9030358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/09/2020] [Accepted: 03/11/2020] [Indexed: 12/22/2022]
Abstract
Among the most intriguing mysteries in the evolutionary biology of photosynthetic organisms are the genesis and consequences of the dramatic increase in the mitochondrial and nuclear genome sizes, together with the concomitant evolution of the three genetic compartments, particularly during the transition from water to land. To clarify the evolutionary trends in the mitochondrial genome of Archaeplastida, we analyzed the sequences from 37 complete genomes. Therefore, we utilized mitochondrial, plastidial and nuclear ribosomal DNA molecular markers on 100 species of Streptophyta for each subunit. Hierarchical models of sequence evolution were fitted to test the heterogeneity in the base composition. The best resulting phylogenies were used for reconstructing the ancestral Guanine-Cytosine (GC) content and equilibrium GC frequency (GC*) using non-homogeneous and non-stationary models fitted with a maximum likelihood approach. The mitochondrial genome length was strongly related to repetitive sequences across Archaeplastida evolution; however, the length seemed not to be linked to the other studied variables, as different lineages showed diverse evolutionary patterns. In contrast, Streptophyta exhibited a powerful positive relationship between the GC content, non-coding DNA, and repetitive sequences, while the evolution of Chlorophyta reflected a strong positive linear relationship between the genome length and the number of genes.
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Affiliation(s)
- Joan Pedrola-Monfort
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, 46980 Paterna, Spain; (J.P.-M.); (D.L.-G.); (C.G.B.); (L.P.)
| | - David Lázaro-Gimeno
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, 46980 Paterna, Spain; (J.P.-M.); (D.L.-G.); (C.G.B.); (L.P.)
| | - Carlos G. Boluda
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, 46980 Paterna, Spain; (J.P.-M.); (D.L.-G.); (C.G.B.); (L.P.)
- Unité de Phylogénie et Génetique Moléculaires, Conservatoire et Jardin Botaniques, Chambésy, 1292 Geneva, Switzerland
| | - Laia Pedrola
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, 46980 Paterna, Spain; (J.P.-M.); (D.L.-G.); (C.G.B.); (L.P.)
| | - Alfonso Garmendia
- Mediterranean Agroforestry Institute, Department of Agroforest Ecosystems, Polytechnic University of Valencia, 46022 Valencia, Spain;
| | - Carla Soler
- Biomaterials, Institute of Materials Science, University of Valencia, 46980 Paterna, Spain;
| | - Jose M. Soriano
- Biomaterials, Institute of Materials Science, University of Valencia, 46980 Paterna, Spain;
- Correspondence: ; Tel.: +34-963-543-056
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15
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Ferrari C, Mutwil M. Gene expression analysis of Cyanophora paradoxa reveals conserved abiotic stress responses between basal algae and flowering plants. New Phytol 2020; 225:1562-1577. [PMID: 31602652 DOI: 10.1111/nph.16257] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 10/04/2019] [Indexed: 05/25/2023]
Abstract
The glaucophyte Cyanophora paradoxa represents the most basal member of the kingdom Archaeplastida, but the function and expression of most of its genes are unknown. This information is needed to uncover how functional gene modules, that is groups of genes performing a given function, evolved in the plant kingdom. We have generated a gene expression atlas capturing responses of Cyanophora to various abiotic stresses. The data were included in the CoNekT-Plants database, enabling comparative transcriptomic analyses across two algae and six land plants. We demonstrate how the database can be used to study gene expression, co-expression networks and gene function in Cyanophora, and how conserved transcriptional programs can be identified. We identified gene modules involved in phycobilisome biosynthesis, response to high light and cell division. While we observed no correlation between the number of differentially expressed genes and the impact on growth of Cyanophora, we found that the response to stress involves a conserved, kingdom-wide transcriptional reprogramming, which is activated upon most stresses in algae and land plants. The Cyanophora stress gene expression atlas and the tools found in the https://conekt.plant.tools/ database thus provide a useful resource to reveal functionally related genes and stress responses in the plant kingdom.
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Affiliation(s)
- Camilla Ferrari
- Max Planck Institute of Molecular Plant Physiology, Am Muehlenberg 1, 14476, Potsdam, Germany
| | - Marek Mutwil
- Max Planck Institute of Molecular Plant Physiology, Am Muehlenberg 1, 14476, Potsdam, Germany
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Singapore
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16
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Kern R, Facchinelli F, Delwiche C, Weber APM, Bauwe H, Hagemann M. Evolution of Photorespiratory Glycolate Oxidase among Archaeplastida. Plants (Basel) 2020; 9:E106. [PMID: 31952152 DOI: 10.3390/plants9010106] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/10/2020] [Accepted: 01/11/2020] [Indexed: 12/17/2022]
Abstract
Photorespiration has been shown to be essential for all oxygenic phototrophs in the present-day oxygen-containing atmosphere. The strong similarity of the photorespiratory cycle in cyanobacteria and plants led to the hypothesis that oxygenic photosynthesis and photorespiration co-evolved in cyanobacteria, and then entered the eukaryotic algal lineages up to land plants via endosymbiosis. However, the evolutionary origin of the photorespiratory enzyme glycolate oxidase (GOX) is controversial, which challenges the common origin hypothesis. Here, we tested this hypothesis using phylogenetic and biochemical approaches with broad taxon sampling. Phylogenetic analysis supported the view that a cyanobacterial GOX-like protein of the 2-hydroxy-acid oxidase family most likely served as an ancestor for GOX in all eukaryotes. Furthermore, our results strongly indicate that GOX was recruited to the photorespiratory metabolism at the origin of Archaeplastida, because we verified that Glaucophyta, Rhodophyta, and Streptophyta all express GOX enzymes with preference for the substrate glycolate. Moreover, an “ancestral” protein synthetically derived from the node separating all prokaryotic from eukaryotic GOX-like proteins also preferred glycolate over l-lactate. These results support the notion that a cyanobacterial ancestral protein laid the foundation for the evolution of photorespiratory GOX enzymes in modern eukaryotic phototrophs.
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17
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Price DC, Goodenough UW, Roth R, Lee JH, Kariyawasam T, Mutwil M, Ferrari C, Facchinelli F, Ball SG, Cenci U, Chan CX, Wagner NE, Yoon HS, Weber APM, Bhattacharya D. Analysis of an improved Cyanophora paradoxa genome assembly. DNA Res 2020; 26:287-299. [PMID: 31098614 PMCID: PMC6704402 DOI: 10.1093/dnares/dsz009] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 03/30/2019] [Indexed: 12/12/2022] Open
Abstract
Glaucophyta are members of the Archaeplastida, the founding group of photosynthetic eukaryotes that also includes red algae (Rhodophyta), green algae, and plants (Viridiplantae). Here we present a high-quality assembly, built using long-read sequences, of the ca. 100 Mb nuclear genome of the model glaucophyte Cyanophora paradoxa. We also conducted a quick-freeze deep-etch electron microscopy (QFDEEM) analysis of C. paradoxa cells to investigate glaucophyte morphology in comparison to other organisms. Using the genome data, we generated a resolved 115-taxon eukaryotic tree of life that includes a well-supported, monophyletic Archaeplastida. Analysis of muroplast peptidoglycan (PG) ultrastructure using QFDEEM shows that PG is most dense at the cleavage-furrow. Analysis of the chlamydial contribution to glaucophytes and other Archaeplastida shows that these foreign sequences likely played a key role in anaerobic glycolysis in primordial algae to alleviate ATP starvation under night-time hypoxia. The robust genome assembly of C. paradoxa significantly advances knowledge about this model species and provides a reference for exploring the panoply of traits associated with the anciently diverged glaucophyte lineage.
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Affiliation(s)
- Dana C Price
- Department of Plant Biology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | | | - Robyn Roth
- Washington University Center for Cellular Imaging, Washington University School of Medicine, St. Louis, MO, USA
| | - Jae-Hyeok Lee
- Department of Botany, University of British Columbia, Vancouver, BC, Canada
| | | | - Marek Mutwil
- Department of Molecular Physiology, Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany.,School of Biological Sciences, Nanyang Technological University, Singapore
| | - Camilla Ferrari
- Department of Molecular Physiology, Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
| | - Fabio Facchinelli
- Institute for Plant Biochemistry, Cluster of Excellence on Plant Sciences (CEPLAS), Heinrich-Heine-University, D-40225 Düsseldorf, Germany
| | - Steven G Ball
- Unité de Glycobiologie Structurale et Fonctionnelle, UMR 8576 CNRS-USTL, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq Cedex, France
| | - Ugo Cenci
- Unité de Glycobiologie Structurale et Fonctionnelle, UMR 8576 CNRS-USTL, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq Cedex, France
| | - Cheong Xin Chan
- Institute for Molecular Bioscience and School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - Nicole E Wagner
- Department of Biochemistry and Microbiology, Rutgers, Rutgers University, New Brunswick, NJ, USA
| | - Hwan Su Yoon
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Andreas P M Weber
- Institute for Plant Biochemistry, Cluster of Excellence on Plant Sciences (CEPLAS), Heinrich-Heine-University, D-40225 Düsseldorf, Germany
| | - Debashish Bhattacharya
- Department of Biochemistry and Microbiology, Rutgers, Rutgers University, New Brunswick, NJ, USA
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18
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Ponce-Toledo RI, López-García P, Moreira D. Horizontal and endosymbiotic gene transfer in early plastid evolution. New Phytol 2019; 224:618-624. [PMID: 31135958 PMCID: PMC6759420 DOI: 10.1111/nph.15965] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 05/17/2019] [Indexed: 05/03/2023]
Abstract
Plastids evolved from a cyanobacterium that was engulfed by a heterotrophic eukaryotic host and became a stable organelle. Some of the resulting eukaryotic algae entered into a number of secondary endosymbioses with diverse eukaryotic hosts. These events had major consequences on the evolution and diversification of life on Earth. Although almost all plastid diversity derives from a single endosymbiotic event, the analysis of nuclear genomes of plastid-bearing lineages has revealed a mosaic origin of plastid-related genes. In addition to cyanobacterial genes, plastids recruited for their functioning eukaryotic proteins encoded by the host nucleus and also bacterial proteins of noncyanobacterial origin. Therefore, plastid proteins and plastid-localised metabolic pathways evolved by tinkering and using gene toolkits from different sources. This mixed heritage seems especially complex in secondary algae containing green plastids, the acquisition of which appears to have been facilitated by many previous acquisitions of red algal genes (the 'red carpet hypothesis').
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Affiliation(s)
- Rafael I Ponce-Toledo
- Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Sud, AgroParisTech, Université Paris-Saclay, 91400, Orsay, France
| | - Purificación López-García
- Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Sud, AgroParisTech, Université Paris-Saclay, 91400, Orsay, France
| | - David Moreira
- Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Sud, AgroParisTech, Université Paris-Saclay, 91400, Orsay, France
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19
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Moore KR, Magnabosco C, Momper L, Gold DA, Bosak T, Fournier GP. An Expanded Ribosomal Phylogeny of Cyanobacteria Supports a Deep Placement of Plastids. Front Microbiol 2019; 10:1612. [PMID: 31354692 PMCID: PMC6640209 DOI: 10.3389/fmicb.2019.01612] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 06/27/2019] [Indexed: 01/16/2023] Open
Abstract
The phylum Cyanobacteria includes free-living bacteria and plastids, the descendants of cyanobacteria that were engulfed by the ancestral lineage of the major photosynthetic eukaryotic group Archaeplastida. Endosymbiotic events that followed this primary endosymbiosis spread plastids across diverse eukaryotic groups. The remnants of the ancestral cyanobacterial genome present in all modern plastids, enable the placement of plastids within Cyanobacteria using sequence-based phylogenetic analyses. To date, such phylogenetic studies have produced conflicting results and two competing hypotheses: (1) plastids diverge relatively recently in cyanobacterial evolution and are most closely related to nitrogen-fixing cyanobacteria, or (2) plastids diverge early in the evolutionary history of cyanobacteria, before the divergence of most cyanobacterial lineages. Here, we use phylogenetic analysis of ribosomal proteins from an expanded data set of cyanobacterial and representative plastid genomes to infer a deep placement for the divergence of the plastid ancestor lineage. We recover plastids as sister to Gloeomargarita and show that the group diverges from other cyanobacterial groups before Pseudanabaena, a previously unreported placement. The tree topologies and phylogenetic distances in our study have implications for future molecular clock studies that aim to model accurate divergence times, especially with respect to groups containing fossil calibrations. The newly sequenced cyanobacterial groups included here will also enable the use of novel cyanobacterial microfossil calibrations.
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Affiliation(s)
- Kelsey R Moore
- Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Cara Magnabosco
- Center for Computational Biology, Flatiron Institute, Simons Foundation, New York, NY, United States
| | - Lily Momper
- Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - David A Gold
- Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA, United States
| | - Tanja Bosak
- Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Gregory P Fournier
- Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, United States
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20
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Abstract
The emergence of semiautonomous organelles, such as the mitochondrion, the chloroplast, and more recently, the chromatophore, are critical steps in the evolution of eukaryotes. They resulted from primary endosymbiotic events that seem to share general features, i.e., an acquisition of a bacterium/cyanobacteria likely via a phagocytic membrane, a genome reduction coinciding with an escape of genes from the organelle to the nucleus, and finally the appearance of an active system translocating nuclear-encoded proteins back to the organelles. An intense mobilization of foreign genes of bacterial origin, via horizontal gene transfers, plays a critical role. Some third partners, like Chlamydia, might have facilitated the transition from cyanobacteria to the early chloroplast. This chapter describes our current understanding of primary endosymbiosis, with a specific focus on primary chloroplasts considered to have emerged more than one billion years ago, and on the chromatophore, having emerged about one hundred million years ago.
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Affiliation(s)
- Eric Maréchal
- Laboratoire de Physiologie Cellulaire et Végétale, Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, CEA Grenoble, Institut National Recherche Agronomique, UMR5168, Université Grenoble Alpes, Grenoble, France.
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21
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Sarma S, Lodha M. Phylogenetic relationship and domain organisation of SET domain proteins of Archaeplastida. BMC Plant Biol 2017; 17:238. [PMID: 29228906 PMCID: PMC5725981 DOI: 10.1186/s12870-017-1177-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 11/13/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND SET is a conserved protein domain with methyltransferase activity. Several genome and transcriptome data in plant lineage (Archaeplastida) are available but status of SET domain proteins in most of the plant lineage is not comprehensively analysed. RESULTS In this study phylogeny and domain organisation of 506 computationally identified SET domain proteins from 16 members of plant lineage (Archaeplastida) are presented. SET domain proteins of rice and Arabidopsis are used as references. This analysis revealed conserved as well as unique features of SET domain proteins in Archaeplastida. SET domain proteins of plant lineage can be categorised into five classes- E(z), Ash, Trx, Su(var) and Orphan. Orphan class of SET proteins contain unique domains predominantly in early Archaeplastida. Contrary to previous study, this study shows first appearance of several domains like SRA on SET domain proteins in chlorophyta instead of bryophyta. CONCLUSION The present study is a framework to experimentally characterize SET domain proteins in plant lineage.
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Affiliation(s)
- Supriya Sarma
- Centre for Cellular and Molecular Biology (CSIR), Uppal Road, Habsiguda, Hyderabad, 500007, India.
| | - Mukesh Lodha
- Centre for Cellular and Molecular Biology (CSIR), Uppal Road, Habsiguda, Hyderabad, 500007, India.
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22
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Brodie J, Chan CX, De Clerck O, Cock JM, Coelho SM, Gachon C, Grossman AR, Mock T, Raven JA, Smith AG, Yoon HS, Bhattacharya D. The Algal Revolution. Trends Plant Sci 2017; 22:726-738. [PMID: 28610890 DOI: 10.1016/j.tplants.2017.05.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 05/04/2017] [Accepted: 05/16/2017] [Indexed: 05/28/2023]
Abstract
Algae are (mostly) photosynthetic eukaryotes that occupy multiple branches of the tree of life, and are vital for planet function and health. In this review, we highlight a transformative period in studies of the evolution and functioning of this extraordinary group of organisms and their potential for novel applications, wrought by high-throughput 'omic' and reverse genetic methods. We cover the origin and diversification of algal groups, explore advances in understanding the link between phenotype and genotype, consider algal sex determination, and review progress in understanding the roots of algal multicellularity. Experimental evolution studies to determine how algae evolve in changing environments are highlighted, as is their potential as production platforms for compounds of commercial interest, such as biofuel precursors, nutraceuticals, or therapeutics.
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Affiliation(s)
- Juliet Brodie
- Natural History Museum, Department of Life Sciences, London SW7 5BD, UK
| | - Cheong Xin Chan
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Olivier De Clerck
- Research Group Phycology, Ghent University, Krijgslaan 281, S8, 9000 Ghent, Belgium
| | - J Mark Cock
- CNRS, Sorbonne Université, UPMC University Paris 06, Algal Genetics Group, UMR 8227, Integrative Biology of Marine Models, Station Biologique de Roscoff, CS 90074, Roscoff F-29688, France
| | - Susana M Coelho
- CNRS, Sorbonne Université, UPMC University Paris 06, Algal Genetics Group, UMR 8227, Integrative Biology of Marine Models, Station Biologique de Roscoff, CS 90074, Roscoff F-29688, France
| | - Claire Gachon
- Scottish Association for Marine Science, Scottish Marine Institute, Oban, PA37 1QA, UK
| | - Arthur R Grossman
- Department of Plant Biology, The Carnegie Institution, Stanford, CA 94305, USA
| | - Thomas Mock
- School of Environmental Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK
| | - John A Raven
- Permanent address: Division of Plant Sciences, University of Dundee at the James Hutton Institute, Dundee DD2 5DA, UK; School of Plant Biology, University of Western Australia, Crawley, WA 6009, Australia
| | - Alison G Smith
- Department of Plant Sciences, University of Cambridge, Cambridge, CB2 3EA, UK
| | - Hwan Su Yoon
- Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Korea
| | - Debashish Bhattacharya
- Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, NJ 08901, USA.
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23
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Reinecke DL, Zarka A, Leu S, Boussiba S. Cloning, molecular characterization, and phylogeny of two evolutionary distinct glutamine synthetase isoforms in the green microalga Haematococcus pluvialis (Chlorophyceae). J Phycol 2016; 52:961-972. [PMID: 27402429 DOI: 10.1111/jpy.12444] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 05/19/2016] [Indexed: 06/06/2023]
Abstract
Haematococcus pluvialis (Chlorophyta) is a widely used microalga of great economic potential, yet its molecular genetics and evolution are largely unknown. We present new detailed molecular and phylogenetic analysis of two glutamine synthetase (GS) enzymes and genes (gln) under the Astaxanthin-inducing conditions of light- and nitrogen-stress. Structure analysis identified key residues and confirmed two decameric GS2 holoenzymes, a cytoplasmic enzyme, termed GS2c , and a plastidic form, termed GS2p , due to chloroplast-transit peptides at its N-terminus. Gene expression analysis showed dissociation of mRNA, protein, and enzyme activity levels for both GS2 under different growth conditions, indicating the strong post-transcriptional regulation. Data-mining identified novel and specified published gln genes from Prasinophyceae, Chlorophyta, Trebouxiophyceae, Charophyceae, Bryophyta, Lycopodiophyta, Spermatophyta, and Rhodophyta. Phylogenetic analysis found homologues to the cytosolic GS2c of H. pluvialis in all other photo- and non-photosynthetic Eukaryota. The chloroplastic GS2p was restricted to Chlorophyta, Bryophyta, some Proteobacteria and Fungii; no homologues were identified in Spermatophyta or other Eukaryota. This indicates two independent prokaryotic donors for these two gln genes in H. pluvialis. Combined phylogenetic analysis of GS, chl-b synthase, elongation factor, and light harvesting complex homologues project a newly refined model of Viridiplantae evolution. Herein, a GS1 evolved into the cytosolic GS2c and was passed on to all Eukaryota. Later, the chloroplastic GS2p entered the Archaeplastida lineage via a horizontal gene transfer at the divergence of Chlorophyta and Rhodophyta lineages. GS2p persisted in Chlorophyta and Bryophyta, but was lost during Spermatophyta evolution. These data suggest the revision of GS classification and nomenclature, and extend our understanding of the photosynthetic Eukaryota evolution.
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Affiliation(s)
- Diana L Reinecke
- Food and Bioprocess Engineering Group, Wageningen University, P.O. Box 8129, 6700 EV, Wageningen, the Netherlands
| | - Aliza Zarka
- Microalgal Biotechnology Lab, Blaustein Institutes of Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, Sede-Boqer, 84990, Israel
| | - Stefan Leu
- Microalgal Biotechnology Lab, Blaustein Institutes of Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, Sede-Boqer, 84990, Israel
| | - Sammy Boussiba
- Microalgal Biotechnology Lab, Blaustein Institutes of Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, Sede-Boqer, 84990, Israel
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24
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Hagemann M, Kern R, Maurino VG, Hanson DT, Weber APM, Sage RF, Bauwe H. Evolution of photorespiration from cyanobacteria to land plants, considering protein phylogenies and acquisition of carbon concentrating mechanisms. J Exp Bot 2016; 67:2963-76. [PMID: 26931168 DOI: 10.1093/jxb/erw063] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Photorespiration and oxygenic photosynthesis are intimately linked processes. It has been shown that under the present day atmospheric conditions cyanobacteria and all eukaryotic phototrophs need functional photorespiration to grow autotrophically. The question arises as to when this essential partnership evolved, i.e. can we assume a coevolution of both processes from the beginning or did photorespiration evolve later to compensate for the generation of 2-phosphoglycolate (2PG) due to Rubisco's oxygenase reaction? This question is mainly discussed here using phylogenetic analysis of proteins involved in the 2PG metabolism and the acquisition of different carbon concentrating mechanisms (CCMs). The phylogenies revealed that the enzymes involved in the photorespiration of vascular plants have diverse origins, with some proteins acquired from cyanobacteria as ancestors of the chloroplasts and others from heterotrophic bacteria as ancestors of mitochondria in the plant cell. Only phosphoglycolate phosphatase was found to originate from Archaea. Notably glaucophyte algae, the earliest branching lineage of Archaeplastida, contain more photorespiratory enzymes of cyanobacterial origin than other algal lineages or land plants indicating a larger initial contribution of cyanobacterial-derived proteins to eukaryotic photorespiration. The acquisition of CCMs is discussed as a proxy for assessing the timing of periods when photorespiratory activity may have been enhanced. The existence of CCMs also had marked influence on the structure and function of photorespiration. Here, we discuss evidence for an early and continuous coevolution of photorespiration, CCMs and photosynthesis starting from cyanobacteria via algae, to land plants.
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Affiliation(s)
- Martin Hagemann
- Universität Rostock, Institut für Biowissenschaften, Abteilung Pflanzenphysiologie, A.- Einstein-Str. 3, D-18051 Rostock, Germany
| | - Ramona Kern
- Universität Rostock, Institut für Biowissenschaften, Abteilung Pflanzenphysiologie, A.- Einstein-Str. 3, D-18051 Rostock, Germany
| | - Veronica G Maurino
- University of Düsseldorf, Institute of Developmental and Molecular Biology of Plants and Biotechnology, Cluster of Excellence on Plant Science (CEPLAS), Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - David T Hanson
- Department of Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Andreas P M Weber
- Institute of Plant Biochemistry, Cluster of Excellence on Plant Science (CEPLAS), Heinrich-Heine-Universität Düsseldorf, 40225 Düsseldorf, Germany
| | - Rowan F Sage
- Department of Ecology & Evolutionary Biology, University of Toronto, Toronto, ON M5S3B2, Canada
| | - Hermann Bauwe
- Universität Rostock, Institut für Biowissenschaften, Abteilung Pflanzenphysiologie, A.- Einstein-Str. 3, D-18051 Rostock, Germany
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25
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Abstract
Plant photoreceptors link environmental light cues with physiological responses, determining how individual plants complete their life cycles. Structural and functional evolution of photoreceptors has co-occurred as plants diversified and faced the challenge of new light environments, during the transition of plants to land and as substantial plant canopies evolved. Large-scale comparative sequencing projects allow us for the first time to document photoreceptor evolution in understudied clades, revealing some surprises. Here we review recent progress in evolutionary studies of three photoreceptor families: phytochromes, phototropins and neochromes.
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Affiliation(s)
- Fay-Wei Li
- Department of Biology, Duke University, Durham, NC, 27708, USA.
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, CA, 94720, USA.
| | - Sarah Mathews
- CSIRO National Research Collections Australia, Australian National Herbarium, Canberra, ACT, 2601, Australia.
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26
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Abstract
The origin of the photosynthetic organelle in eukaryotes, the plastid, changed forever the evolutionary trajectory of life on our planet. Plastids are highly specialized compartments derived from a putative single cyanobacterial primary endosymbiosis that occurred in the common ancestor of the supergroup Archaeplastida that comprises the Viridiplantae (green algae and plants), red algae, and glaucophyte algae. These lineages include critical primary producers of freshwater and terrestrial ecosystems, progenitors of which provided plastids through secondary endosymbiosis to other algae such as diatoms and dinoflagellates that are critical to marine ecosystems. Despite its broad importance and the success of algal and plant lineages, the phagotrophic origin of the plastid imposed an interesting challenge on the predatory eukaryotic ancestor of the Archaeplastida. By engulfing an oxygenic photosynthetic cell, the host lineage imposed an oxidative stress upon itself in the presence of light. Adaptations to meet this challenge were thus likely to have occurred early on during the transition from a predatory phagotroph to an obligate phototroph (or mixotroph). Modern algae have recently been shown to employ linear tetrapyrroles (bilins) to respond to oxidative stress under high light. Here we explore the early events in plastid evolution and the possible ancient roles of bilins in responding to light and oxygen.
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Affiliation(s)
- Nathan C Rockwell
- Department of Molecular and Cellular Biology, University of California, Davis, CA 95616
| | - J Clark Lagarias
- Department of Molecular and Cellular Biology, University of California, Davis, CA 95616
| | - Debashish Bhattacharya
- Department of Ecology, Evolution, and Natural Resources; Institute of Marine and Coastal Science, Rutgers University, New Brunswick, NJ 08903
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27
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Li B, Lopes JS, Foster PG, Embley TM, Cox CJ. Compositional biases among synonymous substitutions cause conflict between gene and protein trees for plastid origins. Mol Biol Evol 2014; 31:1697-709. [PMID: 24795089 PMCID: PMC4069611 DOI: 10.1093/molbev/msu105] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Archaeplastida (=Kingdom Plantae) are primary plastid-bearing organisms that evolved via the endosymbiotic association of a heterotrophic eukaryote host cell and a cyanobacterial endosymbiont approximately 1,400 Ma. Here, we present analyses of cyanobacterial and plastid genomes that show strongly conflicting phylogenies based on 75 plastid (or nuclear plastid-targeted) protein-coding genes and their direct translations to proteins. The conflict between genes and proteins is largely robust to the use of sophisticated data- and tree-heterogeneous composition models. However, by using nucleotide ambiguity codes to eliminate synonymous substitutions due to codon-degeneracy, we identify a composition bias, and dependent codon-usage bias, resulting from synonymous substitutions at all third codon positions and first codon positions of leucine and arginine, as the main cause for the conflicting phylogenetic signals. We argue that the protein-coding gene data analyses are likely misleading due to artifacts induced by convergent composition biases at first codon positions of leucine and arginine and at all third codon positions. Our analyses corroborate previous studies based on gene sequence analysis that suggest Cyanobacteria evolved by the early paraphyletic splitting of Gloeobacter and a specific Synechococcus strain (JA33Ab), with all other remaining cyanobacterial groups, including both unicellular and filamentous species, forming the sister-group to the Archaeplastida lineage. In addition, our analyses using better-fitting models suggest (but without statistically strong support) an early divergence of Glaucophyta within Archaeplastida, with the Rhodophyta (red algae), and Viridiplantae (green algae and land plants) forming a separate lineage.
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Affiliation(s)
- Blaise Li
- Centro de Ciências do Mar, Universidade do Algarve, Faro, Portugal
| | - João S Lopes
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Peter G Foster
- Department of Life Sciences, Natural History Museum, London, United Kingdom
| | - T Martin Embley
- Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle, United Kingdom
| | - Cymon J Cox
- Centro de Ciências do Mar, Universidade do Algarve, Faro, Portugal
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28
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Subtil A, Collingro A, Horn M. Tracing the primordial Chlamydiae: extinct parasites of plants? Trends Plant Sci 2014; 19:36-43. [PMID: 24210739 DOI: 10.1016/j.tplants.2013.10.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Revised: 10/09/2013] [Accepted: 10/15/2013] [Indexed: 06/02/2023]
Abstract
Chlamydiae are obligate intracellular bacteria found as symbionts and pathogens in a wide range of eukaryotes, including protists, invertebrates, and vertebrates. It was recently proposed that an ancient chlamydial symbiont facilitated the establishment of primary plastids in a tripartite symbiosis with cyanobacteria and early eukaryotes. In this review, we summarize recent advances in understanding of the lifestyle and the evolutionary history of extant Chlamydiae. We reconstruct and describe key features of the ancient chlamydial symbiont. We propose that it was already adapted to an intracellular lifestyle before the emergence of Archaeplastida, and that several observations are compatible with an essential contribution of Chlamydiae to the evolution of algae and plants.
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Affiliation(s)
- Agathe Subtil
- Institut Pasteur, Unité de Biologie des Interactions Cellulaires, Paris, France; CNRS URA2582, Paris, France.
| | - Astrid Collingro
- University of Vienna, Division of Microbial Ecology, Vienna, Austria
| | - Matthias Horn
- University of Vienna, Division of Microbial Ecology, Vienna, Austria
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