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Zhang Y, Fu Y, Xian W, Li X, Feng Y, Bu F, Shi Y, Chen S, van Velzen R, Battenberg K, Berry AM, Salgado MG, Liu H, Yi T, Fournier P, Alloisio N, Pujic P, Boubakri H, Schranz ME, Delaux PM, Wong GKS, Hocher V, Svistoonoff S, Gherbi H, Wang E, Kohlen W, Wall LG, Parniske M, Pawlowski K, Normand P, Doyle JJ, Cheng S. Comparative phylogenomics and phylotranscriptomics provide insights into the genetic complexity of nitrogen-fixing root-nodule symbiosis. Plant Commun 2024; 5:100671. [PMID: 37553834 PMCID: PMC10811378 DOI: 10.1016/j.xplc.2023.100671] [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: 06/25/2023] [Revised: 07/10/2023] [Accepted: 08/03/2023] [Indexed: 08/10/2023]
Abstract
Plant root-nodule symbiosis (RNS) with mutualistic nitrogen-fixing bacteria is restricted to a single clade of angiosperms, the Nitrogen-Fixing Nodulation Clade (NFNC), and is best understood in the legume family. Nodulating species share many commonalities, explained either by divergence from a common ancestor over 100 million years ago or by convergence following independent origins over that same time period. Regardless, comparative analyses of diverse nodulation syndromes can provide insights into constraints on nodulation-what must be acquired or cannot be lost for a functional symbiosis-and the latitude for variation in the symbiosis. However, much remains to be learned about nodulation, especially outside of legumes. Here, we employed a large-scale phylogenomic analysis across 88 species, complemented by 151 RNA-seq libraries, to elucidate the evolution of RNS. Our phylogenomic analyses further emphasize the uniqueness of the transcription factor NIN as a master regulator of nodulation and identify key mutations that affect its function across the NFNC. Comparative transcriptomic assessment revealed nodule-specific upregulated genes across diverse nodulating plants, while also identifying nodule-specific and nitrogen-response genes. Approximately 70% of symbiosis-related genes are highly conserved in the four representative species, whereas defense-related and host-range restriction genes tend to be lineage specific. Our study also identified over 900 000 conserved non-coding elements (CNEs), over 300 000 of which are unique to sampled NFNC species. NFNC-specific CNEs are enriched with the active H3K9ac mark and are correlated with accessible chromatin regions, thus representing a pool of candidate regulatory elements for genes involved in RNS. Collectively, our results provide novel insights into the evolution of nodulation and lay a foundation for engineering of RNS traits in agriculturally important crops.
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Affiliation(s)
- Yu Zhang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Yuan Fu
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China; State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenfei Xian
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Xiuli Li
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Yong Feng
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Fengjiao Bu
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Yan Shi
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Shiyu Chen
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Robin van Velzen
- Biosystematics Group, Department of Plant Sciences, Wageningen University, 6708PB Wageningen, the Netherlands
| | - Kai Battenberg
- Department of Plant Sciences, University of California, Davis, Davis, CA 95616, USA
| | - Alison M Berry
- Department of Plant Sciences, University of California, Davis, Davis, CA 95616, USA
| | - Marco G Salgado
- Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91 Stockholm, Sweden
| | - Hui Liu
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road, Kunming 650201, China
| | - Tingshuang Yi
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road, Kunming 650201, China
| | - Pascale Fournier
- Université de Lyon, Université Lyon 1, CNRS, UMR5557, Ecologie Microbienne, INRA, UMR 1418, 43 bd du 11 novembre 1918, 69622 Villeurbanne, France
| | - Nicole Alloisio
- Université de Lyon, Université Lyon 1, CNRS, UMR5557, Ecologie Microbienne, INRA, UMR 1418, 43 bd du 11 novembre 1918, 69622 Villeurbanne, France
| | - Petar Pujic
- Université de Lyon, Université Lyon 1, CNRS, UMR5557, Ecologie Microbienne, INRA, UMR 1418, 43 bd du 11 novembre 1918, 69622 Villeurbanne, France
| | - Hasna Boubakri
- Université de Lyon, Université Lyon 1, CNRS, UMR5557, Ecologie Microbienne, INRA, UMR 1418, 43 bd du 11 novembre 1918, 69622 Villeurbanne, France
| | - M Eric Schranz
- Biosystematics Group, Department of Plant Sciences, Wageningen University, 6708PB Wageningen, the Netherlands
| | - Pierre-Marc Delaux
- Laboratoire de Recherche en Sciences Végétales (LRSV), Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet Tolosan, France
| | - Gane Ka-Shu Wong
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9, Canada
| | - Valerie Hocher
- French National Research Institute for Sustainable Development (IRD), UMR LSTM (IRD/CIRAD/INRAe/Montpellier University/Supagro)- Campus International Baillarguet, TA A-82/J, 34398 Montpellier Cedex 5, France
| | - Sergio Svistoonoff
- French National Research Institute for Sustainable Development (IRD), UMR LSTM (IRD/CIRAD/INRAe/Montpellier University/Supagro)- Campus International Baillarguet, TA A-82/J, 34398 Montpellier Cedex 5, France
| | - Hassen Gherbi
- French National Research Institute for Sustainable Development (IRD), UMR LSTM (IRD/CIRAD/INRAe/Montpellier University/Supagro)- Campus International Baillarguet, TA A-82/J, 34398 Montpellier Cedex 5, France
| | - Ertao Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, SIBS, Chinese Academy of Sciences, Shanghai, China
| | - Wouter Kohlen
- Laboratory of Molecular Biology, Department of Plant Sciences, Wageningen University, 6708PB Wageningen, the Netherlands
| | - Luis G Wall
- Laboratory of Biochemistry, Microbiology and Soil Biological Interactions, Department of Science and Technology, National University of Quilmes, CONICET, Bernal, Argentina
| | - Martin Parniske
- Faculty of Biology, Genetics, LMU Munich, Großhaderner Strasse 2-4, 82152 Martinsried, Germany
| | - Katharina Pawlowski
- Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91 Stockholm, Sweden
| | - Philippe Normand
- Université de Lyon, Université Lyon 1, CNRS, UMR5557, Ecologie Microbienne, INRA, UMR 1418, 43 bd du 11 novembre 1918, 69622 Villeurbanne, France
| | - Jeffrey J Doyle
- School of Integrative Plant Science, Sections of Plant Biology and Plant Breeding & Genetics, Cornell University, Ithaca, NY 14853, USA.
| | - Shifeng Cheng
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China.
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Battenberg K, Kelly ST, Ras RA, Hetherington NA, Hayashi M, Minoda A. A flexible cross-platform single-cell data processing pipeline. Nat Commun 2022; 13:6847. [PMID: 36369450 PMCID: PMC9652453 DOI: 10.1038/s41467-022-34681-z] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 11/02/2022] [Indexed: 11/13/2022] Open
Abstract
Single-cell RNA-sequencing analysis to quantify the RNA molecules in individual cells has become popular, as it can obtain a large amount of information from each experiment. We introduce UniverSC ( https://github.com/minoda-lab/universc ), a universal single-cell RNA-seq data processing tool that supports any unique molecular identifier-based platform. Our command-line tool, docker image, and containerised graphical application enables consistent and comprehensive integration, comparison, and evaluation across data generated from a wide range of platforms. We also provide a cross-platform application to run UniverSC via a graphical user interface, available for macOS, Windows, and Linux Ubuntu, negating one of the bottlenecks with single-cell RNA-seq analysis that is data processing for researchers who are not bioinformatically proficient.
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Affiliation(s)
- Kai Battenberg
- Center for Integrative Medical Sciences, RIKEN, Yokohama, Japan
- Center for Sustainable Resource Science, RIKEN, Yokohama, Japan
| | - S Thomas Kelly
- Center for Integrative Medical Sciences, RIKEN, Yokohama, Japan
| | - Radu Abu Ras
- Center for Integrative Medical Sciences, RIKEN, Yokohama, Japan
- Faculty of Automatics, Computers and Electronics, University of Craiova, Craiova, Romania
| | - Nicola A Hetherington
- Department of Cell Biology, Faculty of Science, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, The Netherlands
| | - Makoto Hayashi
- Center for Sustainable Resource Science, RIKEN, Yokohama, Japan
| | - Aki Minoda
- Center for Integrative Medical Sciences, RIKEN, Yokohama, Japan.
- Department of Cell Biology, Faculty of Science, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, The Netherlands.
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3
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Yamazaki A, Battenberg K, Shimoda Y, Hayashi M. NDR1/HIN1-Like Protein 13 Interacts with Symbiotic Receptor Kinases and Regulates Nodulation in Lotus japonicus. Mol Plant Microbe Interact 2022; 35:845-856. [PMID: 36107197 DOI: 10.1094/mpmi-11-21-0263-r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 06/15/2023]
Abstract
Lysin-motif receptor-like kinases (LysM-RLKs) are involved in the recognition of microbe-associated molecular patterns to initiate pattern-triggered immunity (PTI). LysM-RLKs are also required for recognition of microbe-derived symbiotic signal molecules upon establishing mutualistic interactions between plants and microsymbionts. A LysM-RLK CHITIN ELICITOR RECEPTOR KINASE1 (CERK1) plays central roles both in chitin-mediated PTI and in arbuscular mycorrhizal symbiosis, suggesting the overlap between immunity and symbiosis, at least in the signal perception and the activation of downstream signal cascades. In this study, we screened for the interacting proteins of Nod factor Receptor1 (NFR1), a CERK1 homolog in the model legume Lotus japonicus, and obtained a protein orthologous to NONRACE-SPECIFIC DISEASE RESISTANCE1/HARPIN-INDUCED1-LIKE13 (NHL13), a protein involved in the activation of innate immunity in Arabidopsis thaliana, which we named LjNHL13a. LjNHL13a interacted with NFR1 and with the symbiosis receptor kinase SymRK. LjNHL13a also displayed positive effects in nodulation. Our results suggest that NHL13 plays a role both in plant immunity and symbiosis, possibly where they overlap. [Formula: see text] Copyright © 2022 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Akihiro Yamazaki
- Center for Sustainable Resource Science, RIKEN 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Kanagawa 230-0045, Japan
| | - Kai Battenberg
- Center for Sustainable Resource Science, RIKEN 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Kanagawa 230-0045, Japan
| | - Yoshikazu Shimoda
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization 3-1-3 Kan-nondai, Tsukuba, Ibaraki 305-8604, Japan
| | - Makoto Hayashi
- Center for Sustainable Resource Science, RIKEN 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Kanagawa 230-0045, Japan
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization 3-1-3 Kan-nondai, Tsukuba, Ibaraki 305-8604, Japan
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4
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Battenberg K, Hayashi M. Evolution of root nodule symbiosis: Focusing on the transcriptional regulation from the genomic point of view. Plant Biotechnol (Tokyo) 2022; 39:79-83. [PMID: 35800960 PMCID: PMC9200091 DOI: 10.5511/plantbiotechnology.22.0127a] [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] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/27/2022] [Indexed: 05/04/2023]
Abstract
Since molecular phylogenetics recognized root nodule symbiosis (RNS) of all lineages as potentially homologous, scientists have tried to understand the "when" and the "how" of RNS evolution. Initial progress was made on understanding the timing of RNS evolution, facilitating our progress on understanding the underlying genomic changes leading to RNS. Here, we will first cover the different hypotheses on the timings of gains/losses of RNS and show how this has helped us understand how RNS has evolved. Finally, we will discuss how our improved understanding of the genetic changes that led to RNS is now helping us refine our understanding on when RNS has evolved.
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Affiliation(s)
- Kai Battenberg
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Makoto Hayashi
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
- E-mail: Tel: +81-45-503-9493 Fax: +81-45-503-9492
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5
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Nguyen TV, Wibberg D, Vigil-Stenman T, Berckx F, Battenberg K, Demchenko KN, Blom J, Fernandez MP, Yamanaka T, Berry AM, Kalinowski J, Brachmann A, Pawlowski K. Frankia-Enriched Metagenomes from the Earliest Diverging Symbiotic Frankia Cluster: They Come in Teams. Genome Biol Evol 2019; 11:2273-2291. [PMID: 31368478 PMCID: PMC6735867 DOI: 10.1093/gbe/evz153] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/10/2019] [Indexed: 11/14/2022] Open
Abstract
Frankia strains induce the formation of nitrogen-fixing nodules on roots of actinorhizal plants. Phylogenetically, Frankia strains can be grouped in four clusters. The earliest divergent cluster, cluster-2, has a particularly wide host range. The analysis of cluster-2 strains has been hampered by the fact that with two exceptions, they could never be cultured. In this study, 12 Frankia-enriched metagenomes of Frankia cluster-2 strains or strain assemblages were sequenced based on seven inoculum sources. Sequences obtained via DNA isolated from whole nodules were compared with those of DNA isolated from fractionated preparations enhanced in the Frankia symbiotic structures. The results show that cluster-2 inocula represent groups of strains, and that strains not represented in symbiotic structures, that is, unable to perform symbiotic nitrogen fixation, may still be able to colonize nodules. Transposase gene abundance was compared in the different Frankia-enriched metagenomes with the result that North American strains contain more transposase genes than Eurasian strains. An analysis of the evolution and distribution of the host plants indicated that bursts of transposition may have coincided with niche competition with other cluster-2 Frankia strains. The first genome of an inoculum from the Southern Hemisphere, obtained from nodules of Coriaria papuana in Papua New Guinea, represents a novel species, postulated as Candidatus Frankia meridionalis. All Frankia-enriched metagenomes obtained in this study contained homologs of the canonical nod genes nodABC; the North American genomes also contained the sulfotransferase gene nodH, while the genome from the Southern Hemisphere only contained nodC and a truncated copy of nodB.
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Affiliation(s)
- Thanh Van Nguyen
- Department of Ecology, Environment and Plant Sciences, Stockholm University, Sweden
| | - Daniel Wibberg
- Center for Biotechnology (CeBiTec), Bielefeld University, Germany
| | | | - Fede Berckx
- Department of Ecology, Environment and Plant Sciences, Stockholm University, Sweden
| | - Kai Battenberg
- Department of Plant Sciences, University of California, Davis
| | - Kirill N Demchenko
- Laboratory of Cellular and Molecular Mechanisms of Plant Development, Komarov Botanical Institute, Russian Academy of Sciences, Saint Petersburg, Russia
- Laboratory of Molecular and Cellular Biology, All-Russia Research Institute for Agricultural Microbiology, Saint Petersburg, Russia
| | - Jochen Blom
- Bioinformatics and Systems Biology, Justus Liebig University, Gießen, Germany
| | - Maria P Fernandez
- Ecologie Microbienne, Centre National de la Recherche Scientifique UMR 5557, Université Lyon I, Villeurbanne Cedex, France
| | | | - Alison M Berry
- Department of Plant Sciences, University of California, Davis
| | - Jörn Kalinowski
- Center for Biotechnology (CeBiTec), Bielefeld University, Germany
| | - Andreas Brachmann
- Biocenter, Ludwig Maximilians University Munich, Planegg-Martinsried, Germany
| | - Katharina Pawlowski
- Department of Ecology, Environment and Plant Sciences, Stockholm University, Sweden
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6
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Salgado MG, van Velzen R, Nguyen TV, Battenberg K, Berry AM, Lundin D, Pawlowski K. Comparative Analysis of the Nodule Transcriptomes of Ceanothus thyrsiflorus (Rhamnaceae, Rosales) and Datisca glomerata (Datiscaceae, Cucurbitales). Front Plant Sci 2018; 9:1629. [PMID: 30487804 PMCID: PMC6246699 DOI: 10.3389/fpls.2018.01629] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 10/19/2018] [Indexed: 05/09/2023]
Abstract
Two types of nitrogen-fixing root nodule symbioses are known, rhizobial and actinorhizal symbioses. The latter involve plants of three orders, Fagales, Rosales, and Cucurbitales. To understand the diversity of plant symbiotic adaptation, we compared the nodule transcriptomes of Datisca glomerata (Datiscaceae, Cucurbitales) and Ceanothus thyrsiflorus (Rhamnaceae, Rosales); both species are nodulated by members of the uncultured Frankia clade, cluster II. The analysis focused on various features. In both species, the expression of orthologs of legume Nod factor receptor genes was elevated in nodules compared to roots. Since arginine has been postulated as export form of fixed nitrogen from symbiotic Frankia in nodules of D. glomerata, the question was whether the nitrogen metabolism was similar in nodules of C. thyrsiflorus. Analysis of the expression levels of key genes encoding enzymes involved in arginine metabolism revealed up-regulation of arginine catabolism, but no up-regulation of arginine biosynthesis, in nodules compared to roots of D. glomerata, while arginine degradation was not upregulated in nodules of C. thyrsiflorus. This new information corroborated an arginine-based metabolic exchange between host and microsymbiont for D. glomerata, but not for C. thyrsiflorus. Oxygen protection systems for nitrogenase differ dramatically between both species. Analysis of the antioxidant system suggested that the system in the nodules of D. glomerata leads to greater oxidative stress than the one in the nodules of C. thyrsiflorus, while no differences were found for the defense against nitrosative stress. However, induction of nitrite reductase in nodules of C. thyrsiflorus indicated that here, nitrite produced from nitric oxide had to be detoxified. Additional shared features were identified: genes encoding enzymes involved in thiamine biosynthesis were found to be upregulated in the nodules of both species. Orthologous nodule-specific subtilisin-like proteases that have been linked to the infection process in actinorhizal Fagales, were also upregulated in the nodules of D. glomerata and C. thyrsiflorus. Nodule-specific defensin genes known from actinorhizal Fagales and Cucurbitales, were also found in C. thyrsiflorus. In summary, the results underline the variability of nodule metabolism in different groups of symbiotic plants while pointing at conserved features involved in the infection process.
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Affiliation(s)
- Marco G. Salgado
- Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden
| | - Robin van Velzen
- Laboratory of Molecular Biology, Department of Plant Sciences, Wageningen University, Wageningen, Netherlands
| | - Thanh Van Nguyen
- Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden
| | - Kai Battenberg
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Alison M. Berry
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Daniel Lundin
- Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Kalmar, Sweden
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Katharina Pawlowski
- Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden
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7
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Gifford I, Battenberg K, Vaniya A, Wilson A, Tian L, Fiehn O, Berry AM. Distinctive Patterns of Flavonoid Biosynthesis in Roots and Nodules of Datisca glomerata and Medicago spp. Revealed by Metabolomic and Gene Expression Profiles. Front Plant Sci 2018; 9:1463. [PMID: 30364174 PMCID: PMC6192435 DOI: 10.3389/fpls.2018.01463] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 09/14/2018] [Indexed: 05/08/2023]
Abstract
Plants within the Nitrogen-fixing Clade (NFC) of Angiosperms form root nodule symbioses with nitrogen-fixing bacteria. Actinorhizal plants (in Cucurbitales, Fagales, Rosales) form symbioses with the actinobacteria Frankia while legumes (Fabales) form symbioses with proteobacterial rhizobia. Flavonoids, secondary metabolites of the phenylpropanoid pathway, have been shown to play major roles in legume root nodule symbioses: as signal molecules that in turn trigger rhizobial nodulation initiation signals and acting as polar auxin transport inhibitors, enabling a key step in nodule organogenesis. To explore a potentially broader role for flavonoids in root nodule symbioses across the NFC, we combined metabolomic and transcriptomic analyses of roots and nodules of the actinorhizal host Datisca glomerata and legumes of the genus Medicago. Patterns of biosynthetic pathways were inferred from flavonoid metabolite profiles and phenylpropanoid gene expression patterns in the two hosts to identify similarities and differences. Similar classes of flavonoids were represented in both hosts, and an increase in flavonoids generally in the nodules was observed, with differences in flavonoids prominent in each host. While both hosts produced derivatives of naringenin, the metabolite profile in D. glomerata indicated an emphasis on the pinocembrin biosynthetic pathway, and an abundance of flavonols with potential roles in symbiosis. Additionally, the gene expression profile indicated a decrease in expression in the lignin/monolignol pathway. In Medicago sativa, by contrast, isoflavonoids were highly abundant featuring more diverse and derived isoflavonoids than D. glomerata. Gene expression patterns supported these differences in metabolic pathways, especially evident in a difference in expression of cinnamic acid 4-hydroxylase (C4H), which was expressed at substantially lower levels in D. glomerata than in a Medicago truncatula transcriptome where it was highly expressed. C4H is a major rate-limiting step in phenylpropanoid biosynthesis that separates the pinocembrin pathway from the lignin/monolignol and naringenin-based flavonoid branches. Shikimate O-hydroxycinnamoyltransferase, the link between flavonoid biosynthesis and the lignin/monolignol pathway, was also expressed at much lower levels in D. glomerata than in M. truncatula. Our results indicate (a) a likely major role for flavonoids in actinorhizal nodules, and (b) differences in metabolic flux in flavonoid and phenylpropanoid biosynthesis between the different hosts in symbiosis.
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Affiliation(s)
- Isaac Gifford
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Kai Battenberg
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Arpana Vaniya
- West Coast Metabolomics Center, University of California, Davis, Davis, CA, United States
| | - Alex Wilson
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Li Tian
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Oliver Fiehn
- West Coast Metabolomics Center, University of California, Davis, Davis, CA, United States
| | - Alison M. Berry
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
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8
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Battenberg K, Potter D, Tabuloc CA, Chiu JC, Berry AM. Comparative Transcriptomic Analysis of Two Actinorhizal Plants and the Legume Medicago truncatula Supports the Homology of Root Nodule Symbioses and Is Congruent With a Two-Step Process of Evolution in the Nitrogen-Fixing Clade of Angiosperms. Front Plant Sci 2018; 9:1256. [PMID: 30349546 PMCID: PMC6187967 DOI: 10.3389/fpls.2018.01256] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 08/08/2018] [Indexed: 05/18/2023]
Abstract
Root nodule symbiosis (RNS) is a symbiotic interaction established between angiosperm hosts and nitrogen-fixing soil bacteria in specialized organs called root nodules. The host plants provide photosynthate and the microsymbionts supply fixed nitrogen. The origin of RNS represents a major evolutionary event in the angiosperms, and understanding the genetic underpinnings of this event is of major economic and agricultural importance. Plants that engage in RNS are restricted to a single angiosperm clade known as the nitrogen-fixing clade (NFC), yet occur in multiple lineages scattered within the NFC. It has been postulated that RNS evolved in two steps: a gain-of-predisposition event occurring at the base of the NFC, followed by a gain-of-function event in each host plant lineage. Here, we first explore the premise that RNS has evolved from a single common background, and then we explore whether a two-step process better explains the evolutionary origin of RNS than either a single-step process, or multiple origins. We assembled the transcriptomes of root and nodule of two actinorhizal plants, Ceanothus thyrsiflorus and Datisca glomerata. Together with the corresponding published transcriptomes of the model legume Medicago truncatula, the gene expression patterns in roots and nodules were compared across the three lineages. We found that orthologs of many genes essential for RNS in the model legumes are expressed in all three lineages, and that the overall nodule gene expression patterns were more similar to each other than expected by random chance, a finding that supports a common evolutionary background for RNS shared by the three lineages. Moreover, phylogenetic analyses suggested that a substantial portion of the genes experiencing selection pressure changes at the base of the NFC also experienced additional changes at the base of each host plant lineage. Our results (1) support the occurrence of an event that led to RNS at the base of the NFC, and (2) suggest a subsequent change in each lineage, most consistent with a two-step origin of RNS. Among several conserved functions identified, strigolactone-related genes were down-regulated in nodules of all three species, suggesting a shared function similar to that shown for arbuscular mycorrhizal symbioses.
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Affiliation(s)
- Kai Battenberg
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Daniel Potter
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Christine A. Tabuloc
- Department of Entomology and Nematology, University of California, Davis, Davis, CA, United States
| | - Joanna C. Chiu
- Department of Entomology and Nematology, University of California, Davis, Davis, CA, United States
| | - Alison M. Berry
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
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9
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Griesmann M, Chang Y, Liu X, Song Y, Haberer G, Crook MB, Billault-Penneteau B, Lauressergues D, Keller J, Imanishi L, Roswanjaya YP, Kohlen W, Pujic P, Battenberg K, Alloisio N, Liang Y, Hilhorst H, Salgado MG, Hocher V, Gherbi H, Svistoonoff S, Doyle JJ, He S, Xu Y, Xu S, Qu J, Gao Q, Fang X, Fu Y, Normand P, Berry AM, Wall LG, Ané JM, Pawlowski K, Xu X, Yang H, Spannagl M, Mayer KFX, Wong GKS, Parniske M, Delaux PM, Cheng S. Phylogenomics reveals multiple losses of nitrogen-fixing root nodule symbiosis. Science 2018; 361:science.aat1743. [DOI: 10.1126/science.aat1743] [Citation(s) in RCA: 198] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/16/2018] [Indexed: 12/20/2022]
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10
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Normand P, Nguyen TV, Battenberg K, Berry AM, Heuvel BV, Fernandez MP, Pawlowski K. Proposal of 'Candidatus Frankia californiensis', the uncultured symbiont in nitrogen-fixing root nodules of a phylogenetically broad group of hosts endemic to western North America. Int J Syst Evol Microbiol 2017; 67:3706-3715. [DOI: 10.1099/ijsem.0.002147] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Philippe Normand
- Université de Lyon, F-69622, Lyon, France; Université Lyon 1, Villeurbanne, France; CNRS, UMR5557, Ecologie Microbienne, Villeurbanne, France; INRA, UMR1418, Villeurbanne, France
| | - Thanh Van Nguyen
- Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91 Stockholm, Sweden
| | - Kai Battenberg
- Department of Plant Sciences, University of California, Davis, CA 95616, USA
| | - Alison M. Berry
- Department of Plant Sciences, University of California, Davis, CA 95616, USA
| | | | - Maria P. Fernandez
- Université de Lyon, F-69622, Lyon, France; Université Lyon 1, Villeurbanne, France; CNRS, UMR5557, Ecologie Microbienne, Villeurbanne, France; INRA, UMR1418, Villeurbanne, France
| | - Katharina Pawlowski
- Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91 Stockholm, Sweden
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11
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Abstract
Background Identifying orthologous genes is an initial step required for phylogenetics, and it is also a common strategy employed in functional genetics to find candidates for functionally equivalent genes across multiple species. At the same time, in silico orthology prediction tools often require large computational resources only available on computing clusters. Here we present OrthoReD, an open-source orthology prediction tool with accuracy comparable to published tools that requires only a desktop computer. The low computational resource requirement of OrthoReD is achieved by repeating orthology searches on one gene of interest at a time, thereby generating a reduced dataset to limit the scope of orthology search for each gene of interest. Results The output of OrthoReD was highly similar to the outputs of two other published orthology prediction tools, OrthologID and/or OrthoDB, for the three dataset tested, which represented three phyla with different ranges of species diversity and different number of genomes included. Median CPU time for ortholog prediction per gene by OrthoReD executed on a desktop computer was <15 min even for the largest dataset tested, which included all coding sequences of 100 bacterial species. Conclusions With high-throughput sequencing, unprecedented numbers of genes from non-model organisms are available with increasing need for clear information about their orthologies and/or functional equivalents in model organisms. OrthoReD is not only fast and accurate as an orthology prediction tool, but also gives researchers flexibility in the number of genes analyzed at a time, without requiring a high-performance computing cluster. Electronic supplementary material The online version of this article (doi:10.1186/s12859-017-1726-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Kai Battenberg
- Department of Plant Sciences, University of California, Davis, CA, USA.
| | - Ernest K Lee
- Department of Entomology and Nematology, University of California, Davis, CA, USA
| | - Joanna C Chiu
- Department of Entomology and Nematology, University of California, Davis, CA, USA
| | - Alison M Berry
- Department of Plant Sciences, University of California, Davis, CA, USA
| | - Daniel Potter
- Department of Plant Sciences, University of California, Davis, CA, USA
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12
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Nguyen TV, Wibberg D, Battenberg K, Blom J, Vanden Heuvel B, Berry AM, Kalinowski J, Pawlowski K. An assemblage of Frankia Cluster II strains from California contains the canonical nod genes and also the sulfotransferase gene nodH. BMC Genomics 2016; 17:796. [PMID: 27729005 PMCID: PMC5059922 DOI: 10.1186/s12864-016-3140-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 09/28/2016] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The ability to establish root nodule symbioses is restricted to four different plant orders. Soil actinobacteria of the genus Frankia can establish a symbiotic relationship with a diverse group of plants within eight different families from three different orders, the Cucurbitales, Fagales and Rosales. Phylogenetically, Frankia strains can be divided into four clusters, three of which (I, II, III) contain symbiotic strains. Members of Cluster II nodulate the broadest range of host plants with species from four families from two different orders, growing on six continents. Two Cluster II genomes were sequenced thus far, both from Asia. RESULTS In this paper we present the first Frankia cluster II genome from North America (California), Dg2, which represents a metagenome of two major and one minor strains. A phylogenetic analysis of the core genomes of 16 Frankia strains shows that Cluster II the ancestral group in the genus, also ancestral to the non-symbiotic Cluster IV. Dg2 contains the canonical nod genes nodABC for the production of lipochitooligosaccharide Nod factors, but also two copies of the sulfotransferase gene nodH. In rhizobial systems, sulfation of Nod factors affects their host specificity and their stability. CONCLUSIONS A comparison with the nod gene region of the previously sequenced Dg1 genome from a Cluster II strain from Pakistan shows that the common ancestor of both strains should have contained nodABC and nodH. Phylogenetically, Dg2 NodH proteins are sister to rhizobial NodH proteins. A glnA-based phylogenetic analysis of all Cluster II strains sampled thus far supports the hypothesis that Cluster II Frankia strains came to North America with Datisca glomerata following the Madrean-Tethyan pattern.
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Affiliation(s)
- Thanh Van Nguyen
- Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91, Stockholm, Sweden
| | - Daniel Wibberg
- Center for Biotechnology, Bielefeld University, 33615, Bielefeld, Germany
| | - Kai Battenberg
- Department of Plant Sciences, University of California Davis, Davis, CA, 95616, USA
| | - Jochen Blom
- Bioinformatics and Systems Biology, Justus Liebig University, 35392, Giessen, Germany
| | | | - Alison M Berry
- Department of Plant Sciences, University of California Davis, Davis, CA, 95616, USA
| | - Jörn Kalinowski
- Center for Biotechnology, Bielefeld University, 33615, Bielefeld, Germany
| | - Katharina Pawlowski
- Department of Ecology, Environment and Plant Sciences, Stockholm University, 106 91, Stockholm, Sweden.
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Persson T, Battenberg K, Demina IV, Vigil-Stenman T, Vanden Heuvel B, Pujic P, Facciotti MT, Wilbanks EG, O'Brien A, Fournier P, Cruz Hernandez MA, Mendoza Herrera A, Médigue C, Normand P, Pawlowski K, Berry AM. Candidatus Frankia Datiscae Dg1, the Actinobacterial Microsymbiont of Datisca glomerata, Expresses the Canonical nod Genes nodABC in Symbiosis with Its Host Plant. PLoS One 2015; 10:e0127630. [PMID: 26020781 PMCID: PMC4447401 DOI: 10.1371/journal.pone.0127630] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 04/16/2015] [Indexed: 11/18/2022] Open
Abstract
Frankia strains are nitrogen-fixing soil actinobacteria that can form root symbioses with actinorhizal plants. Phylogenetically, symbiotic frankiae can be divided into three clusters, and this division also corresponds to host specificity groups. The strains of cluster II which form symbioses with actinorhizal Rosales and Cucurbitales, thus displaying a broad host range, show suprisingly low genetic diversity and to date can not be cultured. The genome of the first representative of this cluster, Candidatus Frankia datiscae Dg1 (Dg1), a microsymbiont of Datisca glomerata, was recently sequenced. A phylogenetic analysis of 50 different housekeeping genes of Dg1 and three published Frankia genomes showed that cluster II is basal among the symbiotic Frankia clusters. Detailed analysis showed that nodules of D. glomerata, independent of the origin of the inoculum, contain several closely related cluster II Frankia operational taxonomic units. Actinorhizal plants and legumes both belong to the nitrogen-fixing plant clade, and bacterial signaling in both groups involves the common symbiotic pathway also used by arbuscular mycorrhizal fungi. However, so far, no molecules resembling rhizobial Nod factors could be isolated from Frankia cultures. Alone among Frankia genomes available to date, the genome of Dg1 contains the canonical nod genes nodA, nodB and nodC known from rhizobia, and these genes are arranged in two operons which are expressed in D. glomerata nodules. Furthermore, Frankia Dg1 nodC was able to partially complement a Rhizobium leguminosarum A34 nodC::Tn5 mutant. Phylogenetic analysis showed that Dg1 Nod proteins are positioned at the root of both α- and β-rhizobial NodABC proteins. NodA-like acyl transferases were found across the phylum Actinobacteria, but among Proteobacteria only in nodulators. Taken together, our evidence indicates an Actinobacterial origin of rhizobial Nod factors.
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Affiliation(s)
- Tomas Persson
- Department of Ecology, Environment and Plant Sciences, Lilla Frescati, Stockholm University, 106 91, Stockholm, Sweden
| | - Kai Battenberg
- Department of Plant Sciences, University of California Davis, Davis, California, 95616, United States of America
| | - Irina V. Demina
- Department of Ecology, Environment and Plant Sciences, Lilla Frescati, Stockholm University, 106 91, Stockholm, Sweden
| | - Theoden Vigil-Stenman
- Department of Ecology, Environment and Plant Sciences, Lilla Frescati, Stockholm University, 106 91, Stockholm, Sweden
| | - Brian Vanden Heuvel
- Department of Biology, Colorado State University, Pueblo, Colorado, 81001, United States of America
| | - Petar Pujic
- Université Lyon 1, Université Lyon, CNRS, Ecologie Microbienne UMR5557, 69622, Villeurbanne Cedex, France
| | - Marc T. Facciotti
- Department of Biomedical Engineering, University of California Davis, Davis, California, 95616, United States of America
- UC Davis Genome Center, University of California Davis, Davis, California, 95616, United States of America
| | - Elizabeth G. Wilbanks
- UC Davis Genome Center, University of California Davis, Davis, California, 95616, United States of America
| | - Anna O'Brien
- UC Davis Genome Center, University of California Davis, Davis, California, 95616, United States of America
| | - Pascale Fournier
- Université Lyon 1, Université Lyon, CNRS, Ecologie Microbienne UMR5557, 69622, Villeurbanne Cedex, France
| | | | - Alberto Mendoza Herrera
- Centro de Biotecnología Genómica, Instituto Politécnico Nacional, 88710, Reynosa, Tamaulipas, Mexico
| | | | - Philippe Normand
- Université Lyon 1, Université Lyon, CNRS, Ecologie Microbienne UMR5557, 69622, Villeurbanne Cedex, France
| | - Katharina Pawlowski
- Department of Ecology, Environment and Plant Sciences, Lilla Frescati, Stockholm University, 106 91, Stockholm, Sweden
| | - Alison M. Berry
- Department of Plant Sciences, University of California Davis, Davis, California, 95616, United States of America
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