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Sámano ML, Nanjareddy K, Arthikala MK. NIN-like proteins (NLPs) as crucial nitrate sensors: an overview of their roles in nitrogen signaling, symbiosis, abiotic stress, and beyond. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:1209-1223. [PMID: 39100871 PMCID: PMC11291829 DOI: 10.1007/s12298-024-01485-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 02/22/2024] [Accepted: 07/04/2024] [Indexed: 08/06/2024]
Abstract
Nitrogen is an essential macronutrient critical for plant growth and productivity. Plants have the capacity to uptake inorganic nitrate and ammonium, with nitrate playing a crucial role as a signaling molecule in various cellular processes. The availability of nitrate and the signaling pathways involved finely tune the processes of nitrate uptake and assimilation. NIN-like proteins (NLPs), a group of transcription factors belonging to the RWP-RK gene family, act as major nitrate sensors and are implicated in the primary nitrate response (PNR) within the nucleus of both non-leguminous and leguminous plants through their RWP-RK domains. In leguminous plants, NLPs are indispensable for the initiation and development of nitrogen-fixing nodules in symbiosis with rhizobia. Moreover, NLPs play pivotal roles in plant responses to abiotic stresses, including drought and cold. Recent studies have identified NLP homologs in oomycete pathogens, suggesting their potential involvement in pathogenesis and virulence. This review article delves into the conservation of RWP-RK genes, examining their significance and implications across different plant species. The focus lies on the role of NLPs as nitrate sensors, investigating their involvement in various processes, including rhizobial symbiosis in both leguminous and non-leguminous plants. Additionally, the multifaceted functions of NLPs in abiotic stress responses, developmental processes, and interactions with plant pathogens are explored. By comprehensively analyzing the role of NLPs in nitrate signaling and their broader implications for plant growth and development, this review sheds light on the intricate mechanisms underlying nitrogen sensing and signaling in various plant lineages.
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Affiliation(s)
- Mariana López Sámano
- Ciencias Agrogenómicas, Escuela Nacional de Estudios Superiores Unidad León, Universidad Nacional Autónoma de México (UNAM), 37689 León, Mexico
| | - Kalpana Nanjareddy
- Ciencias Agrogenómicas, Escuela Nacional de Estudios Superiores Unidad León, Universidad Nacional Autónoma de México (UNAM), 37689 León, Mexico
| | - Manoj-Kumar Arthikala
- Ciencias Agrogenómicas, Escuela Nacional de Estudios Superiores Unidad León, Universidad Nacional Autónoma de México (UNAM), 37689 León, Mexico
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Xue L, Wang Y, Fan Y, Jiang Z, Wei Z, Zhai H, He S, Zhang H, Yang Y, Zhao N, Gao S, Liu Q. IbNF-YA1 is a key factor in the storage root development of sweet potato. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:1991-2002. [PMID: 38549549 DOI: 10.1111/tpj.16723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/19/2024] [Accepted: 03/05/2024] [Indexed: 06/14/2024]
Abstract
As a major worldwide root crop, the mechanism underlying storage root yield formation has always been a hot topic in sweet potato [Ipomoea batatas (L.) Lam.]. Previously, we conducted the transcriptome database of differentially expressed genes between the cultivated sweet potato cultivar "Xushu18," its diploid wild relative Ipomoea triloba without storage root, and their interspecific somatic hybrid XT1 with medium-sized storage root. We selected one of these candidate genes, IbNF-YA1, for subsequent analysis. IbNF-YA1 encodes a nuclear transcription factor Y subunit alpha (NF-YA) gene, which is significantly induced by the natural auxin indole-3-acetic acid (IAA). The storage root yield of the IbNF-YA1 overexpression (OE) plant decreased by 29.15-40.22% compared with the wild type, while that of the RNAi plant increased by 10.16-21.58%. Additionally, IAA content increased significantly in OE plants. Conversely, the content of IAA decreased significantly in RNAi plants. Furthermore, real-time quantitative reverse transcription-PCR (qRT-PCR) analysis demonstrated that the expressions of the key genes IbYUCCA2, IbYUCCA4, and IbYUCCA8 in the IAA biosynthetic pathway were significantly changed in transgenic plants. The results indicated that IbNF-YA1 could directly target IbYUCCA4 and activate IbYUCCA4 transcription. The IAA content of IbYUCCA4 OE plants increased by 71.77-98.31%. Correspondingly, the storage root yield of the IbYUCCA4 OE plant decreased by 77.91-80.52%. These findings indicate that downregulating the IbNF-YA1 gene could improve the storage root yield in sweet potato.
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Affiliation(s)
- Luyao Xue
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Yuxin Wang
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Yue Fan
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Zhicheng Jiang
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Zihao Wei
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Hong Zhai
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Shaozhen He
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Huan Zhang
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Yufeng Yang
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Ning Zhao
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Shaopei Gao
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Qingchang Liu
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis & Utilization and Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing, 100193, China
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Geurts R, Huisman R. Innovations in two genes kickstarted the evolution of nitrogen-fixing nodules. CURRENT OPINION IN PLANT BIOLOGY 2024; 77:102446. [PMID: 37696726 DOI: 10.1016/j.pbi.2023.102446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 09/13/2023]
Abstract
The root nodule symbiosis between plants and nitrogen-fixing bacteria is a fascinating trait limited to several plant species. Given the agronomic potential of transferring this symbiosis to nonleguminous crops, the symbiosis has attracted researchers' attention for over a century. The origins of this symbiosis can be traced back to a single ancestor, around 110 million years ago. Recent findings have uncovered that adaptations in a receptor complex and the recruitment of the transcription factor Nodule Inception (NIN) are among the first genetic adaptations that allowed this ancestor to respond to its microsymbiont. Understanding the consequences of recruiting these genes provides insights into the start of this complex genetic trait.
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Affiliation(s)
- Rene Geurts
- Laboratory of Molecular Biology, Plant Science Group, Wageningen University Droevendaalsesteeg 1, 6708PB Wageningen, the Netherlands.
| | - Rik Huisman
- Laboratory of Molecular Biology, Plant Science Group, Wageningen University Droevendaalsesteeg 1, 6708PB Wageningen, the Netherlands.
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Shen L, Feng J. NIN-at the heart of NItrogen-fixing Nodule symbiosis. FRONTIERS IN PLANT SCIENCE 2024; 14:1284720. [PMID: 38283980 PMCID: PMC10810997 DOI: 10.3389/fpls.2023.1284720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/27/2023] [Indexed: 01/30/2024]
Abstract
Legumes and actinorhizal plants establish symbiotic relationships with nitrogen-fixing bacteria, resulting in the formation of nodules. Nodules create an ideal environment for nitrogenase to convert atmospheric nitrogen into biological available ammonia. NODULE INCEPTION (NIN) is an indispensable transcription factor for all aspects of nodule symbiosis. Moreover, NIN is consistently lost in non-nodulating species over evolutions. Here we focus on recent advances in the signaling mechanisms of NIN during nodulation and discuss the role of NIN in the evolution of nitrogen-fixing nodule symbiosis.
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Affiliation(s)
- Lisha Shen
- Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Jian Feng
- Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
- CAS−JIC Centre of Excellence for Plant and Microbial Science (CEPAMS), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
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Alhusayni S, Roswanjaya YP, Rutten L, Huisman R, Bertram S, Sharma T, Schon M, Kohlen W, Klein J, Geurts R. A rare non-canonical splice site in Trema orientalis SYMRK does not affect its dual symbiotic functioning in endomycorrhiza and rhizobium nodulation. BMC PLANT BIOLOGY 2023; 23:587. [PMID: 37996841 PMCID: PMC10668435 DOI: 10.1186/s12870-023-04594-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023]
Abstract
BACKGROUND Nitrogen-fixing nodules occur in ten related taxonomic lineages interspersed with lineages of non-nodulating plant species. Nodules result from an endosymbiosis between plants and diazotrophic bacteria; rhizobia in the case of legumes and Parasponia and Frankia in the case of actinorhizal species. Nodulating plants share a conserved set of symbiosis genes, whereas related non-nodulating sister species show pseudogenization of several key nodulation-specific genes. Signalling and cellular mechanisms critical for nodulation have been co-opted from the more ancient plant-fungal arbuscular endomycorrhizal symbiosis. Studies in legumes and actinorhizal plants uncovered a key component in symbiotic signalling, the LRR-type SYMBIOSIS RECEPTOR KINASE (SYMRK). SYMRK is essential for nodulation and arbuscular endomycorrhizal symbiosis. To our surprise, however, despite its arbuscular endomycorrhizal symbiosis capacities, we observed a seemingly critical mutation in a donor splice site in the SYMRK gene of Trema orientalis, the non-nodulating sister species of Parasponia. This led us to investigate the symbiotic functioning of SYMRK in the Trema-Parasponia lineage and to address the question of to what extent a single nucleotide polymorphism in a donor splice site affects the symbiotic functioning of SYMRK. RESULTS We show that SYMRK is essential for nodulation and endomycorrhization in Parasponia andersonii. Subsequently, it is revealed that the 5'-intron donor splice site of SYMRK intron 12 is variable and, in most dicotyledon species, doesn't contain the canonical dinucleotide 'GT' signature but the much less common motif 'GC'. Strikingly, in T. orientalis, this motif is converted into a rare non-canonical 5'-intron donor splice site 'GA'. This SYMRK allele, however, is fully functional and spreads in the T. orientalis population of Malaysian Borneo. A further investigation into the occurrence of the non-canonical GA-AG splice sites confirmed that these are extremely rare. CONCLUSION SYMRK functioning is highly conserved in legumes, actinorhizal plants, and Parasponia. The gene possesses a non-common 5'-intron GC donor splice site in intron 12, which is converted into a GA in T. orientalis accessions of Malaysian Borneo. The discovery of this functional GA-AG splice site in SYMRK highlights a gap in our understanding of splice donor sites.
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Affiliation(s)
- Sultan Alhusayni
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
- Biological Sciences Department, College of Science, King Faisal University, 31982, Al-Ahsa, Saudi Arabia
| | - Yuda Purwana Roswanjaya
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
- Research Centre for Applied Microbiology, National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Luuk Rutten
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Rik Huisman
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Simon Bertram
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Trupti Sharma
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Michael Schon
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Wouter Kohlen
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Joël Klein
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands.
| | - Rene Geurts
- Laboratory of Molecular Biology, Cluster of Plant Development, Plant Science Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands.
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Abstract
Plants associate with nitrogen-fixing bacteria to secure nitrogen, which is generally the most limiting nutrient for plant growth. Endosymbiotic nitrogen-fixing associations are widespread among diverse plant lineages, ranging from microalgae to angiosperms, and are primarily one of three types: cyanobacterial, actinorhizal or rhizobial. The large overlap in the signaling pathways and infection components of arbuscular mycorrhizal, actinorhizal and rhizobial symbioses reflects their evolutionary relatedness. These beneficial associations are influenced by environmental factors and other microorganisms in the rhizosphere. In this review, we summarize the diversity of nitrogen-fixing symbioses, key signal transduction pathways and colonization mechanisms relevant to such interactions, and compare and contrast these interactions with arbuscular mycorrhizal associations from an evolutionary standpoint. Additionally, we highlight recent studies on environmental factors regulating nitrogen-fixing symbioses to provide insights into the adaptation of symbiotic plants to complex environments.
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Affiliation(s)
- Peng Xu
- National key Laboratory of Plant Molecular Genetics, Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ertao Wang
- National key Laboratory of Plant Molecular Genetics, Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; New Cornerstone Science Laboratory, Shenzhen 518054, China.
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Zhang H, Liu S, Ren T, Niu M, Liu X, Liu C, Wang H, Yin W, Xia X. Crucial Abiotic Stress Regulatory Network of NF-Y Transcription Factor in Plants. Int J Mol Sci 2023; 24:ijms24054426. [PMID: 36901852 PMCID: PMC10002336 DOI: 10.3390/ijms24054426] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Nuclear Factor-Y (NF-Y), composed of three subunits NF-YA, NF-YB and NF-YC, exists in most of the eukaryotes and is relatively conservative in evolution. As compared to animals and fungi, the number of NF-Y subunits has significantly expanded in higher plants. The NF-Y complex regulates the expression of target genes by directly binding the promoter CCAAT box or by physical interaction and mediating the binding of a transcriptional activator or inhibitor. NF-Y plays an important role at various stages of plant growth and development, especially in response to stress, which attracted many researchers to explore. Herein, we have reviewed the structural characteristics and mechanism of function of NF-Y subunits, summarized the latest research on NF-Y involved in the response to abiotic stresses, including drought, salt, nutrient and temperature, and elaborated the critical role of NF-Y in these different abiotic stresses. Based on the summary above, we have prospected the potential research on NF-Y in response to plant abiotic stresses and discussed the difficulties that may be faced in order to provide a reference for the in-depth analysis of the function of NF-Y transcription factors and an in-depth study of plant responses to abiotic stress.
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Affiliation(s)
- Han Zhang
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Shujing Liu
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Tianmeng Ren
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Mengxue Niu
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Xiao Liu
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Chao Liu
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Houling Wang
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Weilun Yin
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- Correspondence: (W.Y.); (X.X.)
| | - Xinli Xia
- National Engineering Research Center of Tree Breeding and Ecological Remediation, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- State Key Laboratory of Tree Genetics and Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
- Correspondence: (W.Y.); (X.X.)
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Jain D, Jones L, Roy S. Gene editing to improve legume-rhizobia symbiosis in a changing climate. CURRENT OPINION IN PLANT BIOLOGY 2023; 71:102324. [PMID: 36535148 DOI: 10.1016/j.pbi.2022.102324] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/12/2022] [Accepted: 10/28/2022] [Indexed: 06/17/2023]
Abstract
In the last three years, several gene editing techniques have been developed for both model and crop legumes. CRISPR-Cas9-based tools, in particular, are outpacing other comparable gene editing technologies used in legume hosts and their microbial symbionts to understand the molecular basis of symbiotic nitrogen-fixation. Gene editing has helped identify new gene functions, validate genetic screens, resolve gene redundancy, examine the role of tandemly duplicated genes, and investigate symbiotic signaling networks in non-model plants. In this review, we discuss the advances made in understanding the legume-rhizobia symbiosis through the use of gene editing and highlight studies conducted under varying environmental conditions. We reason that future climate-hardy legumes must be able to better integrate environmental signals with nitrogen fixation by fine-tuning long distance signaling, continuing to select efficient rhizobial partners, and adjusting their molecular circuitry to function optimally under variable light and nutrient availability and rising atmospheric carbon dioxide.
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Affiliation(s)
- Divya Jain
- College of Agriculture, Tennessee State University, Nashville, TN 37209, USA
| | - Lauren Jones
- Noble Research Institute, LLC, Ardmore, OK 73401, USA
| | - Sonali Roy
- College of Agriculture, Tennessee State University, Nashville, TN 37209, USA.
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The NF-Y Transcription Factor Family in Watermelon: Re-Characterization, Assembly of ClNF-Y Complexes, Hormone- and Pathogen-Inducible Expression and Putative Functions in Disease Resistance. Int J Mol Sci 2022; 23:ijms232415778. [PMID: 36555422 PMCID: PMC9778975 DOI: 10.3390/ijms232415778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/04/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
Nuclear factor Y (NF-Y) is a heterotrimeric transcription factor that binds to the CCAAT cis-element in the promoters of target genes and plays critical roles in plant growth, development, and stress responses. In the present study, we aimed to re-characterize the ClNF-Y family in watermelon, examine the assembly of ClNF-Y complexes, and explore their possible involvement in disease resistance. A total of 25 ClNF-Y genes (7 ClNF-YAs, 10 ClNF-YBs, and 8 ClNF-YCs) were identified in the watermelon genome. The ClNF-Y family was comprehensively characterized in terms of gene and protein structures, phylogenetic relationships, and evolution events. Different types of cis-elements responsible for plant growth and development, phytohormones, and/or stress responses were identified in the promoters of the ClNF-Y genes. ClNF-YAs and ClNF-YCs were mainly localized in the nucleus, while most of the ClNF-YBs were localized in the cytoplasm of cells. ClNF-YB5, -YB6, -YB7, -YB8, -YB9, and -YB10 interacted with ClNF-YC2, -YC3, -YC4, -YC5, -YC6, -YC7, and -YC8, while ClNF-YB1 and -YB3 interacted with ClNF-YC1. A total of 37 putative ClNF-Y complexes were identified, e.g., ClNF-YA1, -YA2, -YA3, and -YA7 assembled into 13, 8, 8, and 8 ClNF-Y complexes with different ClNF-YB/-YC heterodimers. Most of the ClNF-Y genes responded with distinct expression patterns to defense hormones such as salicylic acid, methyl jasmonate, abscisic acid, and ethylene precursor 1-aminocyclopropane-1-carboxylate, and to infection by the vascular infecting fungus Fusarium oxysporum f. sp. niveum. Overexpression of ClNF-YB1, -YB8, -YB9, ClNF-YC2, and -YC7 in transgenic Arabidopsis resulted in an earlier flowering phenotype. Overexpression of ClNF-YB8 in Arabidopsis led to enhanced resistance while overexpression of ClNF-YA2 and -YC2 resulted in decreased resistance against Botrytis cinerea. Similarly, overexpression of ClNF-YA3, -YB1, and -YC4 strengthened resistance while overexpression of ClNF-YA2 and -YB8 attenuated resistance against Pseudomonas syringae pv. tomato DC3000. The re-characterization of the ClNF-Y family provides a basis from which to investigate the biological functions of ClNF-Y genes in respect of growth, development, and stress response in watermelon, and the identification of the functions of some ClNF-Y genes in disease resistance enables further exploration of the molecular mechanism of ClNF-Ys in the regulation of watermelon immunity against diverse pathogens.
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10
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Bhattacharjee O, Raul B, Ghosh A, Bhardwaj A, Bandyopadhyay K, Sinharoy S. Nodule INception-independent epidermal events lead to bacterial entry during nodule development in peanut (Arachis hypogaea). THE NEW PHYTOLOGIST 2022; 236:2265-2281. [PMID: 36098671 DOI: 10.1111/nph.18483] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
Legumes can host nitrogen-fixing rhizobia inside root nodules. In model legumes, rhizobia enter via infection threads (ITs) and develop nodules in which the infection zone contains a mixture of infected and uninfected cells. Peanut (Arachis hypogaea) diversified from model legumes c. 50-55 million years ago. Rhizobia enter through 'cracks' to form nodules in peanut roots where cells of the infection zone are uniformly infected. Phylogenomic studies have indicated symbiosis as a labile trait in peanut. These atypical features prompted us to investigate the molecular mechanism of peanut nodule development. Combining cell biology, genetics and genomic tools, we visualized the status of hormonal signaling in peanut nodule primordia. Moreover, we dissected the signaling modules of Nodule INception (NIN), a master regulator of both epidermal infection and cortical organogenesis. Cytokinin signaling operates in a broad zone, from the epidermis to the pericycle inside nodule primordia, while auxin signaling is narrower and focused. Nodule INception is involved in nodule organogenesis, but not in crack entry. Nodulation Pectate Lyase, which remodels cell walls during IT formation, is not required. By contrast, Nodule enhanced Glycosyl Hydrolases (AhNGHs) are recruited for cell wall modification during crack entry. While hormonal regulation is conserved, the function of the NIN signaling modules is diversified in peanut.
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Affiliation(s)
- Oindrila Bhattacharjee
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110067, India
- Amity University Haryana, Amity Education Valley, Panchgaon, Manesar, Haryana, 122412, India
| | - Bikash Raul
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Amit Ghosh
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Akanksha Bhardwaj
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Kaustav Bandyopadhyay
- Amity University Haryana, Amity Education Valley, Panchgaon, Manesar, Haryana, 122412, India
| | - Senjuti Sinharoy
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110067, India
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11
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Chakraborty S, Valdés-López O, Stonoha-Arther C, Ané JM. Transcription Factors Controlling the Rhizobium-Legume Symbiosis: Integrating Infection, Organogenesis and the Abiotic Environment. PLANT & CELL PHYSIOLOGY 2022; 63:1326-1343. [PMID: 35552446 DOI: 10.1093/pcp/pcac063] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/03/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
Legume roots engage in a symbiotic relationship with rhizobia, leading to the development of nitrogen-fixing nodules. Nodule development is a sophisticated process and is under the tight regulation of the plant. The symbiosis initiates with a signal exchange between the two partners, followed by the development of a new organ colonized by rhizobia. Over two decades of study have shed light on the transcriptional regulation of rhizobium-legume symbiosis. A large number of transcription factors (TFs) have been implicated in one or more stages of this symbiosis. Legumes must monitor nodule development amidst a dynamic physical environment. Some environmental factors are conducive to nodulation, whereas others are stressful. The modulation of rhizobium-legume symbiosis by the abiotic environment adds another layer of complexity and is also transcriptionally regulated. Several symbiotic TFs act as integrators between symbiosis and the response to the abiotic environment. In this review, we trace the role of various TFs involved in rhizobium-legume symbiosis along its developmental route and highlight the ones that also act as communicators between this symbiosis and the response to the abiotic environment. Finally, we discuss contemporary approaches to study TF-target interactions in plants and probe their potential utility in the field of rhizobium-legume symbiosis.
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Affiliation(s)
- Sanhita Chakraborty
- Department of Bacteriology, University of Wisconsin, Microbial Sciences Building, 1550 Linden Dr, Madison, WI 53706, USA
| | - Oswaldo Valdés-López
- Laboratorio de Genómica Funcional de Leguminosas, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México 54090, México
| | - Christina Stonoha-Arther
- Department of Bacteriology, University of Wisconsin, Microbial Sciences Building, 1550 Linden Dr, Madison, WI 53706, USA
| | - Jean-Michel Ané
- Department of Bacteriology, University of Wisconsin, Microbial Sciences Building, 1550 Linden Dr, Madison, WI 53706, USA
- Department of Agronomy, University of Wisconsin, 1575 Linden Dr, Madison, WI 53706, USA
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12
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Wang X, Chen K, Zhou M, Gao Y, Huang H, Liu C, Fan Y, Fan Z, Wang Y, Li X. GmNAC181 promotes symbiotic nodulation and salt tolerance of nodulation by directly regulating GmNINa expression in soybean. THE NEW PHYTOLOGIST 2022; 236:656-670. [PMID: 35751548 DOI: 10.1111/nph.18343] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 06/19/2022] [Indexed: 06/15/2023]
Abstract
Soybean (Glycine max) is one of the most important crops world-wide. Under low nitrogen (N) condition, soybean can form a symbiotic relationship with rhizobia to acquire sufficient N for their growth and production. Nodulation signaling controls soybean symbiosis with rhizobia. The soybean Nodule Inception (GmNINa) gene is a central regulator of soybean nodulation. However, the transcriptional regulation of GmNINa remains largely unknown. Nodulation is sensitive to salt stress, but the underlying mechanisms are unclear. Here, we identified an NAC transcription factor designated GmNAC181 (also known as GmNAC11) as the interacting protein of GmNSP1a. GmNAC181 overexpression or knockdown in soybean resulted in increased or decreased numbers of nodules, respectively. Accordingly, the expression of GmNINa was greatly up- and downregulated, respectively. Furthermore, we showed that GmNAC181 can directly bind to the GmNINa promoter to activate its gene expression. Intriguingly, GmNAC181 was highly induced by salt stress during nodulation and promoted symbiotic nodulation under salt stress. We identified a new transcriptional activator of GmNINa in the nodulation pathway and revealed a mechanism by which GmNAC181 acts as a network node orchestrating the expression of GmNINa and symbiotic nodulation under salt stress conditions.
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Affiliation(s)
- Xiaodi Wang
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Wushan Road, Guangzhou, Guangdong, 510642, China
| | - Kuan Chen
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Miaomiao Zhou
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yongkang Gao
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Huimei Huang
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Chao Liu
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yuanyuan Fan
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Zihui Fan
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Youning Wang
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Xia Li
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Wushan Road, Guangzhou, Guangdong, 510642, China
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13
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Jiang Y, Hu X, Yuan Y, Guo X, Chase MW, Ge S, Li J, Fu J, Li K, Hao M, Wang Y, Jiao Y, Jiang W, Jin X. The Gastrodia menghaiensis (Orchidaceae) genome provides new insights of orchid mycorrhizal interactions. BMC PLANT BIOLOGY 2022; 22:179. [PMID: 35392808 PMCID: PMC8988336 DOI: 10.1186/s12870-022-03573-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 04/01/2022] [Indexed: 06/01/2023]
Abstract
BACKGROUND To illustrate the molecular mechanism of mycoheterotrophic interactions between orchids and fungi, we assembled chromosome-level reference genome of Gastrodia menghaiensis (Orchidaceae) and analyzed the genomes of two species of Gastrodia. RESULTS Our analyses indicated that the genomes of Gastrodia are globally diminished in comparison to autotrophic orchids, even compared to Cuscuta (a plant parasite). Genes involved in arbuscular mycorrhizae colonization were found in genomes of Gastrodia, and many of the genes involved biological interaction between Gatrodia and symbiotic microbionts are more numerous than in photosynthetic orchids. The highly expressed genes for fatty acid and ammonium root transporters suggest that fungi receive material from orchids, although most raw materials flow from the fungi. Many nuclear genes (e.g. biosynthesis of aromatic amino acid L-tryptophan) supporting plastid functions are expanded compared to photosynthetic orchids, an indication of the importance of plastids even in totally mycoheterotrophic species. CONCLUSION Gastrodia menghaiensis has the smallest proteome thus far among angiosperms. Many of the genes involved biological interaction between Gatrodia and symbiotic microbionts are more numerous than in photosynthetic orchids.
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Affiliation(s)
- Yan Jiang
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Haidian, Beijing, 100093, China
| | - Xiaodi Hu
- Novogene Bioinformatics Institute, Beijing, 100083, China
| | - Yuan Yuan
- National Resource Center for Chinese Meteria Medica, Chinese Academy of Chinese Medical Sciences, Chaoyang, Beijing, 100700, China
| | - Xuelian Guo
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Haidian, Beijing, 100093, China
| | - Mark W Chase
- Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, TW9 3DS, Surrey, UK
- Department of Environment and Agriculture, Curtin University, Perth, WA, Australia
| | - Song Ge
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Haidian, Beijing, 100093, China
| | - Jianwu Li
- Xishuanbanan Tropical Botanical Gardens, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, China
| | - Jinlong Fu
- Novogene Bioinformatics Institute, Beijing, 100083, China
| | - Kui Li
- Novogene Bioinformatics Institute, Beijing, 100083, China
| | - Meng Hao
- Novogene Bioinformatics Institute, Beijing, 100083, China
| | - Yiming Wang
- Novogene Bioinformatics Institute, Beijing, 100083, China
| | - Yuannian Jiao
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Haidian, Beijing, 100093, China
| | - Wenkai Jiang
- Novogene Bioinformatics Institute, Beijing, 100083, China
| | - Xiaohua Jin
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Haidian, Beijing, 100093, China.
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14
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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 BIOTECHNOLOGY (TOKYO, JAPAN) 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] [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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15
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Raul B, Bhattacharjee O, Ghosh A, Upadhyay P, Tembhare K, Singh A, Shaheen T, Ghosh AK, Torres-Jerez I, Krom N, Clevenger J, Udvardi M, Scheffler BE, Ozias-Akins P, Sharma RD, Bandyopadhyay K, Gaur V, Kumar S, Sinharoy S. Microscopic and Transcriptomic Analyses of Dalbergoid Legume Peanut Reveal a Divergent Evolution Leading to Nod-Factor-Dependent Epidermal Crack-Entry and Terminal Bacteroid Differentiation. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2022; 35:131-145. [PMID: 34689599 DOI: 10.1094/mpmi-05-21-0122-r] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Root nodule symbiosis (RNS) is the pillar behind sustainable agriculture and plays a pivotal role in the environmental nitrogen cycle. Most of the genetic, molecular, and cell-biological knowledge on RNS comes from model legumes that exhibit a root-hair mode of bacterial infection, in contrast to the Dalbergoid legumes exhibiting crack-entry of rhizobia. As a step toward understanding this important group of legumes, we have combined microscopic analysis and temporal transcriptome to obtain a dynamic view of plant gene expression during Arachis hypogaea (peanut) nodule development. We generated comprehensive transcriptome data by mapping the reads to A. hypogaea, and two diploid progenitor genomes. Additionally, we performed BLAST searches to identify nodule-induced yet-to-be annotated peanut genes. Comparison between peanut, Medicago truncatula, Lotus japonicus, and Glycine max showed upregulation of 61 peanut orthologs among 111 tested known RNS-related genes, indicating conservation in mechanisms of nodule development among members of the Papilionoid family. Unlike model legumes, recruitment of class 1 phytoglobin-derived symbiotic hemoglobin (SymH) in peanut indicates diversification of oxygen-scavenging mechanisms in the Papilionoid family. Finally, the absence of cysteine-rich motif-1-containing nodule-specific cysteine-rich peptide (NCR) genes but the recruitment of defensin-like NCRs suggest a diverse molecular mechanism of terminal bacteroid differentiation. In summary, our work describes genetic conservation and diversification in legume-rhizobia symbiosis in the Papilionoid family, as well as among members of the Dalbergoid legumes.[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)
- Bikash Raul
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Oindrila Bhattacharjee
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
- Amity University Haryana, Amity Education Valley, Manesar, Panchgaon, Haryana 122412, India
| | - Amit Ghosh
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Priya Upadhyay
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Kunal Tembhare
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Ajeet Singh
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Tarannum Shaheen
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Asim Kumar Ghosh
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | | | - Nick Krom
- Noble Research Institute, 2510 Sam Noble Pkwy, Ardmore, OK 73401, U.S.A
| | - Josh Clevenger
- University of Georgia, Institute of Plant Breeding, Genetics and Genomics and Department of Horticulture, Tifton, GA 31793, U.S.A
| | - Michael Udvardi
- Noble Research Institute, 2510 Sam Noble Pkwy, Ardmore, OK 73401, U.S.A
| | - Brian E Scheffler
- United States Department of Agriculture-Agricultural Research Service Jamie Whitten Delta States Research Center (JWDSRC) Stoneville, JWDSRC, Bldg.1, Room 229, Experiment Station Road, PO Box 36, Stoneville, MS 38776-0036, U.S.A
| | - Peggy Ozias-Akins
- University of Georgia, Institute of Plant Breeding, Genetics and Genomics and Department of Horticulture, Tifton, GA 31793, U.S.A
| | - Ravi Datta Sharma
- Amity University Haryana, Amity Education Valley, Manesar, Panchgaon, Haryana 122412, India
| | - Kaustav Bandyopadhyay
- Amity University Haryana, Amity Education Valley, Manesar, Panchgaon, Haryana 122412, India
| | - Vineet Gaur
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Shailesh Kumar
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Senjuti Sinharoy
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
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16
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Fu M, Sun J, Li X, Guan Y, Xie F. Asymmetric redundancy of soybean Nodule Inception (NIN) genes in root nodule symbiosis. PLANT PHYSIOLOGY 2022; 188:477-489. [PMID: 34633461 PMCID: PMC8774708 DOI: 10.1093/plphys/kiab473] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/10/2021] [Indexed: 05/21/2023]
Abstract
Nodule Inception (NIN) is one of the most important root nodule symbiotic genes as it is required for both infection and nodule organogenesis in legumes. Unlike most legumes with a sole NIN gene, there are four putative orthologous NIN genes in soybean (Glycine max). Whether and how these NIN genes contribute to soybean-rhizobia symbiotic interaction remain unknown. In this study, we found that all four GmNIN genes are induced by rhizobia and that conserved CE and CYC binding motifs in their promoter regions are required for their expression in the nodule formation process. By generation of multiplex Gmnin mutants, we found that the Gmnin1a nin2a nin2b triple mutant and Gmnin1a nin1b nin2a nin2b quadruple mutant displayed similar defects in rhizobia infection and root nodule formation, Gmnin2a nin2b produced fewer nodules but displayed a hyper infection phenotype compared to wild type (WT), while the Gmnin1a nin1b double mutant nodulated similar to WT. Overexpression of GmNIN1a, GmNIN1b, GmNIN2a, and GmNIN2b reduced nodule numbers after rhizobia inoculation, with GmNIN1b overexpression having the weakest effect. In addition, overexpression of GmNIN1a, GmNIN2a, or GmNIN2b, but not GmNIN1b, produced malformed pseudo-nodule-like structures without rhizobia inoculation. In conclusion, GmNIN1a, GmNIN2a, and GmNIN2b play functionally redundant yet complicated roles in soybean nodulation. GmNIN1b, although expressed at a comparable level with the other homologs, plays a minor role in root nodule symbiosis. Our work provides insight into the understanding of the asymmetrically redundant function of GmNIN genes in soybean.
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MESH Headings
- Crops, Agricultural/genetics
- Crops, Agricultural/growth & development
- Crops, Agricultural/metabolism
- Crops, Agricultural/microbiology
- Gene Expression Regulation, Plant
- Genes, Plant
- Genetic Variation
- Genotype
- Rhizobium
- Root Nodules, Plant/genetics
- Root Nodules, Plant/growth & development
- Root Nodules, Plant/metabolism
- Root Nodules, Plant/microbiology
- Glycine max/genetics
- Glycine max/growth & development
- Glycine max/metabolism
- Glycine max/microbiology
- Symbiosis/genetics
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Affiliation(s)
- Mengdi Fu
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
- University of the Chinese Academy of Sciences, Beijing, China
| | - Jiafeng Sun
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Xiaolin Li
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Yuefeng Guan
- FAFU-UCR Joint Center for Horticultural Biology and Metabolomics, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Fang Xie
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
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17
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Shen D, Holmer R, Kulikova O, Mannapperuma C, Street NR, Yan Z, van der Maden T, Bu F, Zhang Y, Geurts R, Magne K. The BOP-type co-transcriptional regulator NODULE ROOT1 promotes stem secondary growth of the tropical Cannabaceae tree Parasponia andersonii. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 106:1366-1386. [PMID: 33735477 PMCID: PMC9543857 DOI: 10.1111/tpj.15242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 03/16/2021] [Indexed: 05/13/2023]
Abstract
Tree stems undergo a massive secondary growth in which secondary xylem and phloem tissues arise from the vascular cambium. Vascular cambium activity is driven by endogenous developmental signalling cues and environmental stimuli. Current knowledge regarding the genetic regulation of cambium activity and secondary growth is still far from complete. The tropical Cannabaceae tree Parasponia andersonii is a non-legume research model of nitrogen-fixing root nodulation. Parasponia andersonii can be transformed efficiently, making it amenable for CRISPR-Cas9-mediated reverse genetics. We considered whether P. andersonii also could be used as a complementary research system to investigate tree-related traits, including secondary growth. We established a developmental map of stem secondary growth in P. andersonii plantlets. Subsequently, we showed that the expression of the co-transcriptional regulator PanNODULE ROOT1 (PanNOOT1) is essential for controlling this process. PanNOOT1 is orthologous to Arabidopsis thaliana BLADE-ON-PETIOLE1 (AtBOP1) and AtBOP2, which are involved in the meristem-to-organ-boundary maintenance. Moreover, in species forming nitrogen-fixing root nodules, NOOT1 is known to function as a key nodule identity gene. Parasponia andersonii CRISPR-Cas9 loss-of-function Pannoot1 mutants are altered in the development of the xylem and phloem tissues without apparent disturbance of the cambium organization and size. Transcriptomic analysis showed that the expression of key secondary growth-related genes is significantly down-regulated in Pannoot1 mutants. This allows us to conclude that PanNOOT1 positively contributes to the regulation of stem secondary growth. Our work also demonstrates that P. andersonii can serve as a tree research system.
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Affiliation(s)
- Defeng Shen
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
- Present address:
Department of Plant Microbe InteractionsMax Planck Institute for Plant Breeding ResearchCologne50829Germany
| | - Rens Holmer
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
| | - Olga Kulikova
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
| | - Chanaka Mannapperuma
- Department of Plant PhysiologyUmeå Plant Science CentreUmeå UniversityUmeå907 36Sweden
| | - Nathaniel R. Street
- Department of Plant PhysiologyUmeå Plant Science CentreUmeå UniversityUmeå907 36Sweden
| | - Zhichun Yan
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
| | - Thomas van der Maden
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
| | - Fengjiao Bu
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
| | - Yuanyuan Zhang
- Laboratory of Plant PhysiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708 PBThe Netherlands
- Present address:
State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant GermplasmCollege of Forestry and Landscape ArchitectureSouth China Agricultural UniversityGuangzhou510642China
| | - Rene Geurts
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
| | - Kévin Magne
- Laboratory of Molecular BiologyDepartment of Plant SciencesWageningen University & ResearchWageningen6708PBThe Netherlands
- Present address:
Institute of Plant Sciences Paris‐Saclay (IPS2)Université Paris‐SaclayCNRSINRAEUniv EvryOrsay91405France
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18
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Liu C, Wu Q, Sun L, You X, Ye X, Wan Y, Wu X, Jiang L, Zhao G, Xiang D, Zou L. Nitrate dose-responsive transcriptome analysis identifies transcription factors and small secreted peptides involved in nitrogen response in Tartary buckwheat. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 162:1-13. [PMID: 33652200 DOI: 10.1016/j.plaphy.2021.02.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
Tartary buckwheat (Fagopyrum tataricum Gaertn.) is an economically important pseudocereal crop, which can adapt well to extreme environments, including low nitrogen (LN) stress. However, little is known regarding the associated molecular mechanisms. In this study, the molecular mechanism of Tartary buckwheat roots in response to different doses of nitrate was investigated by combining physiological changes with transcriptional regulatory network. LN improved elongation and branching of lateral roots, indicating that the plasticity of lateral roots drives the adaption of Tartary buckwheat under LN condition. The roots of the seedlings that were cultivated under four N conditions were selected for RNA-Seq analysis. In total 1686 nitrate dose-responsive genes were identified. Of these genes, 16 genes encoding N transporters showed response to N availability, and they may play important roles in N transport and root system architecture in Tartary buckwheat roots. 108 transcription factors (TFs) showed dose-response to N availability, and they may regulate N response and root growth under varied N conditions by modulating the expression of N transporters. A NIN-like protein, FtNLP7, was identified and it may contribute to the transcriptional regulation of N transporters. Furthermore, 81 N-responsive genes were identified as the small secreted peptides (SSPs). 48 N-responsive SSPs were annotated as hypothetical proteins and they may be the species-specific proteins of Tartary buckwheat. This paper provides useful information for further investigation of the mechanisms underlying the adaptation of Tartary buckwheat under N-deficient condition.
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Affiliation(s)
- Changying Liu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Qi Wu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Lu Sun
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Xiaoqing You
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Xueling Ye
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Yan Wan
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Xiaoyong Wu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Liangzhen Jiang
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Gang Zhao
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China
| | - Dabing Xiang
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China.
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, PR China.
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19
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Liu J, Rasing M, Zeng T, Klein J, Kulikova O, Bisseling T. NIN is essential for development of symbiosomes, suppression of defence and premature senescence in Medicago truncatula nodules. THE NEW PHYTOLOGIST 2021; 230:290-303. [PMID: 33471433 PMCID: PMC7986424 DOI: 10.1111/nph.17215] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 11/30/2020] [Indexed: 05/29/2023]
Abstract
NIN (NODULE INCEPTION) is a transcription factor that plays a key role during root nodule initiation. However, its role in later nodule developmental stages is unclear. Both NIN mRNA and protein accumulated at the highest level in the proximal part of the infection zone in Medicago truncatula nodules. Two nin weak allele mutants, nin-13/16, form a rather normal nodule infection zone, whereas a fixation zone is not formed. Instead, a zone with defence responses and premature senescence occurred and symbiosome development gets arrested. Mutations in nin-13/16 resulted in a truncated NIN lacking the conserved PB1 domain. However, this did not cause the nodule phenotype as nin mutants expressing NINΔPB1 formed wild-type-like nodule. The phenotype is likely to be caused by reduced NIN mRNA levels in the cytoplasm. Transcriptome analyses of nin-16 nodules showed that expression levels of defence/senescence-related genes are markedly increased, whereas the levels of defence suppressing genes are reduced. Although defence/senescence seems well suppressed in the infection zone, the transcriptome is already markedly changed in the proximal part of infection zone. In addition to its function in infection and nodule organogenesis, NIN also plays a major role at the transition from infection to fixation zone in establishing a functional symbiosis.
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Affiliation(s)
- Jieyu Liu
- Laboratory of Molecular BiologyDepartment of Plant SciencesGraduate School Experimental Plant SciencesWageningen University & ResearchWageningen6708 PBthe Netherlands
| | - Menno Rasing
- Laboratory of Molecular BiologyDepartment of Plant SciencesGraduate School Experimental Plant SciencesWageningen University & ResearchWageningen6708 PBthe Netherlands
| | - Tian Zeng
- Laboratory of Molecular BiologyDepartment of Plant SciencesGraduate School Experimental Plant SciencesWageningen University & ResearchWageningen6708 PBthe Netherlands
| | - Joël Klein
- Laboratory of Molecular BiologyDepartment of Plant SciencesGraduate School Experimental Plant SciencesWageningen University & ResearchWageningen6708 PBthe Netherlands
| | - Olga Kulikova
- Laboratory of Molecular BiologyDepartment of Plant SciencesGraduate School Experimental Plant SciencesWageningen University & ResearchWageningen6708 PBthe Netherlands
| | - Ton Bisseling
- Laboratory of Molecular BiologyDepartment of Plant SciencesGraduate School Experimental Plant SciencesWageningen University & ResearchWageningen6708 PBthe Netherlands
- Beijing Advanced Innovation Center for Tree Breeding by Molecular DesignBeijing University of AgricultureBeijing102206China
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20
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Soyano T, Liu M, Kawaguchi M, Hayashi M. Leguminous nodule symbiosis involves recruitment of factors contributing to lateral root development. CURRENT OPINION IN PLANT BIOLOGY 2021; 59:102000. [PMID: 33454544 DOI: 10.1016/j.pbi.2020.102000] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 12/24/2020] [Accepted: 12/28/2020] [Indexed: 05/27/2023]
Abstract
Legumes and several plant species in the monophyletic nitrogen-fixing clade produce root nodules that function as symbiotic organs and establish mutualistic relationships with nitrogen-fixing bacteria. The modes of nodule organogenesis are distinct from those of lateral root development and also differ among different types of nodules formed in legumes and actinorhizal plants. It is considered that the evolution of new organs occurs through rearrangement of molecular networks interposed by certain neo-functionalized factors. Accumulating evidence has suggested that root nodule organogenesis involves root or lateral root developmental pathways. This review describes the current knowledge about the factors/pathways acquired by the common ancestor of the nitrogen-fixing clade in order to control nodule organogenesis.
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Affiliation(s)
- Takashi Soyano
- National Institute for Basic Biology, Nishigonaka 38, Myodaiji, Okazaki, 444-8585 Aichi, Japan; Department of Basic Biology, School of Life Science, SOKENDAI (the Graduate University for Advanced Studies), Nishigonaka 38, Myodaiji, Okazaki, 444-8585 Aichi, Japan.
| | - Meng Liu
- National Institute for Basic Biology, Nishigonaka 38, Myodaiji, Okazaki, 444-8585 Aichi, Japan
| | - Masayoshi Kawaguchi
- National Institute for Basic Biology, Nishigonaka 38, Myodaiji, Okazaki, 444-8585 Aichi, Japan; Department of Basic Biology, School of Life Science, SOKENDAI (the Graduate University for Advanced Studies), Nishigonaka 38, Myodaiji, Okazaki, 444-8585 Aichi, Japan
| | - Makoto Hayashi
- Center for Sustainable Resource Science, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama City, 230-0045 Kanagawa, Japan
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21
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Shrestha A, Zhong S, Therrien J, Huebert T, Sato S, Mun T, Andersen SU, Stougaard J, Lepage A, Niebel A, Ross L, Szczyglowski K. Lotus japonicus Nuclear Factor YA1, a nodule emergence stage-specific regulator of auxin signalling. THE NEW PHYTOLOGIST 2021; 229:1535-1552. [PMID: 32978812 PMCID: PMC7984406 DOI: 10.1111/nph.16950] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/05/2020] [Indexed: 05/07/2023]
Abstract
Organogenesis of legume root nodules begins with the nodulation factor-dependent stimulation of compatible root cells to initiate divisions, signifying an early nodule primordium formation event. This is followed by cellular differentiation, including cell expansion and vascular bundle formation, and we previously showed that Lotus japonicus NF-YA1 is essential for this process, presumably by regulating three members of the SHORT INTERNODES/STYLISH (STY) transcription factor gene family. In this study, we used combined genetics, genomics and cell biology approaches to characterize the role of STY genes during root nodule formation and to test a hypothesis that they mediate nodule development by stimulating auxin signalling. We show here that L. japonicus STYs are required for nodule emergence. This is attributed to the NF-YA1-dependent regulatory cascade, comprising STY genes and their downstream targets, YUCCA1 and YUCCA11, involved in a local auxin biosynthesis at the post-initial cell division stage. An analogous NF-YA1/STY regulatory module seems to operate in Medicago truncatula in association with the indeterminate nodule patterning. Our data define L. japonicus and M. truncatula NF-YA1 genes as important nodule emergence stage-specific regulators of auxin signalling while indicating that the inductive stage and subsequent formation of early nodule primordia are mediated through an independent mechanism(s).
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Affiliation(s)
- Arina Shrestha
- Agriculture and Agri‐Food CanadaLondon Research and Development CentreLondonONN5V 4T3Canada
- Department of BiologyUniversity of Western OntarioLondonONN6A 5BFCanada
| | - Sihui Zhong
- Agriculture and Agri‐Food CanadaLondon Research and Development CentreLondonONN5V 4T3Canada
| | - Jasmine Therrien
- Agriculture and Agri‐Food CanadaLondon Research and Development CentreLondonONN5V 4T3Canada
- Department of BiologyUniversity of Western OntarioLondonONN6A 5BFCanada
| | - Terry Huebert
- Agriculture and Agri‐Food CanadaLondon Research and Development CentreLondonONN5V 4T3Canada
| | - Shusei Sato
- Graduate School of Life SciencesTohoku University2‐1‐1 KatahiraSendai980‐8577Japan
| | - Terry Mun
- Department of Molecular Biology and GeneticsAarhus UniversityAarhusDK‐8000Denmark
| | - Stig U. Andersen
- Department of Molecular Biology and GeneticsAarhus UniversityAarhusDK‐8000Denmark
| | - Jens Stougaard
- Department of Molecular Biology and GeneticsAarhus UniversityAarhusDK‐8000Denmark
| | - Agnes Lepage
- Laboratoire des Interactions Plantes‐Microorganismes (LIPM)Université de Toulouse, Institut National de la Recherche pour l’Agriculturel’Alimentation et l’Environnement (INRAE)Centre National de la Recherche Scientifique (CNRS)Castanet‐Tolosan31326France
| | - Andreas Niebel
- Laboratoire des Interactions Plantes‐Microorganismes (LIPM)Université de Toulouse, Institut National de la Recherche pour l’Agriculturel’Alimentation et l’Environnement (INRAE)Centre National de la Recherche Scientifique (CNRS)Castanet‐Tolosan31326France
| | - Loretta Ross
- Agriculture and Agri‐Food CanadaLondon Research and Development CentreLondonONN5V 4T3Canada
| | - Krzysztof Szczyglowski
- Agriculture and Agri‐Food CanadaLondon Research and Development CentreLondonONN5V 4T3Canada
- Department of BiologyUniversity of Western OntarioLondonONN6A 5BFCanada
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22
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Liu J, Bisseling T. Evolution of NIN and NIN-like Genes in Relation to Nodule Symbiosis. Genes (Basel) 2020; 11:E777. [PMID: 32664480 PMCID: PMC7397163 DOI: 10.3390/genes11070777] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/26/2020] [Accepted: 07/09/2020] [Indexed: 01/06/2023] Open
Abstract
Legumes and actinorhizal plants are capable of forming root nodules symbiosis with rhizobia and Frankia bacteria. All these nodulating species belong to the nitrogen fixation clade. Most likely, nodulation evolved once in the last common ancestor of this clade. NIN (NODULE INCEPTION) is a transcription factor that is essential for nodulation in all studied species. Therefore, it seems probable that it was recruited at the start when nodulation evolved. NIN is the founding member of the NIN-like protein (NLP) family. It arose by duplication, and this occurred before nodulation evolved. Therefore, several plant species outside the nitrogen fixation clade have NLP(s), which is orthologous to NIN. In this review, we discuss how NIN has diverged from the ancestral NLP, what minimal changes would have been essential for it to become a key transcription controlling nodulation, and which adaptations might have evolved later.
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Affiliation(s)
- Jieyu Liu
- Laboratory of Molecular Biology, Department of Plant Sciences, Graduate School Experimental Plant Sciences, Wageningen University & Research, 6708 PB Wageningen, The Netherlands;
| | - Ton Bisseling
- Laboratory of Molecular Biology, Department of Plant Sciences, Graduate School Experimental Plant Sciences, Wageningen University & Research, 6708 PB Wageningen, The Netherlands;
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing University of Agriculture, Beijing 102206, China
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23
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Shen D, Bisseling T. The Evolutionary Aspects of Legume Nitrogen-Fixing Nodule Symbiosis. Results Probl Cell Differ 2020; 69:387-408. [PMID: 33263880 DOI: 10.1007/978-3-030-51849-3_14] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Nitrogen-fixing root nodule symbiosis can sustain the development of the host plants under nitrogen-limiting conditions. Such symbiosis occurs only in a clade of angiosperms known as the nitrogen-fixing clade (NFC). It has long been proposed that root nodule symbiosis evolved several times (in parallel) in the NFC. Two recent phylogenomic studies compared the genomes of nodulating and related non-nodulating species across the four orders of the NFC and found that genes essential for nodule formation are lost or pseudogenized in the non-nodulating species. As these symbiosis genes are specifically involved in the symbiotic interaction, it means that the presence of pseudogenes and the loss of symbiosis genes strongly suggest that their ancestor, which still had functional genes, most likely had a symbiosis with nitrogen-fixing bacteria. These findings agree with the hypothesis that nodulation evolved once at the common ancestor of the NFC, and challenge the hypothesis of parallel evolution. In this chapter, we will cover the current understandings on actinorhizal-type and legume nodule development, and discuss the evolution of the legume nodule type.
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Affiliation(s)
- Defeng Shen
- Laboratory of Molecular Biology, Graduate School Experimental Plant Sciences, Wageningen University, Wageningen, The Netherlands
| | - Ton Bisseling
- Laboratory of Molecular Biology, Graduate School Experimental Plant Sciences, Wageningen University, Wageningen, The Netherlands.
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