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Ren G, Zhang Y, Chen Z, Xue X, Fan H. Research Progress of Small Plant Peptides on the Regulation of Plant Growth, Development, and Abiotic Stress. Int J Mol Sci 2024; 25:4114. [PMID: 38612923 PMCID: PMC11012589 DOI: 10.3390/ijms25074114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/02/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024] Open
Abstract
Small peptides in plants are typically characterized as being shorter than 120 amino acids, with their biologically active variants comprising fewer than 20 amino acids. These peptides are instrumental in regulating plant growth, development, and physiological processes, even at minimal concentrations. They play a critical role in long-distance signal transduction within plants and act as primary responders to a range of stress conditions, including salinity, alkalinity, drought, high temperatures, and cold. This review highlights the crucial roles of various small peptides in plant growth and development, plant resistance to abiotic stress, and their involvement in long-distance transport. Furthermore, it elaborates their roles in the regulation of plant hormone biosynthesis. Special emphasis is given to the functions and mechanisms of small peptides in plants responding to abiotic stress conditions, aiming to provide valuable insights for researchers working on the comprehensive study and practical application of small peptides.
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Affiliation(s)
- Guocheng Ren
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan 250014, China; (G.R.); (Y.Z.); (Z.C.); (X.X.)
- Dongying Key Laboratory of Salt Tolerance Mechanism and Application of Halophytes, Dongying Institute, Shandong Normal University, No. 2 Kangyang Road, Dongying 257000, China
| | - Yanling Zhang
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan 250014, China; (G.R.); (Y.Z.); (Z.C.); (X.X.)
- Dongying Key Laboratory of Salt Tolerance Mechanism and Application of Halophytes, Dongying Institute, Shandong Normal University, No. 2 Kangyang Road, Dongying 257000, China
| | - Zengting Chen
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan 250014, China; (G.R.); (Y.Z.); (Z.C.); (X.X.)
| | - Xin Xue
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan 250014, China; (G.R.); (Y.Z.); (Z.C.); (X.X.)
| | - Hai Fan
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan 250014, China; (G.R.); (Y.Z.); (Z.C.); (X.X.)
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Taleski M, Jin M, Chapman K, Taylor K, Winning C, Frank M, Imin N, Djordjevic MA. CEP hormones at the nexus of nutrient acquisition and allocation, root development, and plant-microbe interactions. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:538-552. [PMID: 37946363 PMCID: PMC10773996 DOI: 10.1093/jxb/erad444] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023]
Abstract
A growing understanding is emerging of the roles of peptide hormones in local and long-distance signalling that coordinates plant growth and development as well as responses to the environment. C-TERMINALLY ENCODED PEPTIDE (CEP) signalling triggered by its interaction with CEP RECEPTOR 1 (CEPR1) is known to play roles in systemic nitrogen (N) demand signalling, legume nodulation, and root system architecture. Recent research provides further insight into how CEP signalling operates, which involves diverse downstream targets and interactions with other hormone pathways. Additionally, there is emerging evidence of CEP signalling playing roles in N allocation, root responses to carbon levels, the uptake of other soil nutrients such as phosphorus and sulfur, root responses to arbuscular mycorrhizal fungi, plant immunity, and reproductive development. These findings suggest that CEP signalling more broadly coordinates growth across the whole plant in response to diverse environmental cues. Moreover, CEP signalling and function appear to be conserved in angiosperms. We review recent advances in CEP biology with a focus on soil nutrient uptake, root system architecture and organogenesis, and roles in plant-microbe interactions. Furthermore, we address knowledge gaps and future directions in this research field.
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Affiliation(s)
- Michael Taleski
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Marvin Jin
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Kelly Chapman
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Katia Taylor
- CSIRO Agriculture and Food, Canberra, ACT, 2601, Australia
| | - Courtney Winning
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Manuel Frank
- Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus, Denmark
| | - Nijat Imin
- School of Science, Western Sydney University, Penrith, New South Wales 2751, Australia
| | - Michael A Djordjevic
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
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Jaiswal M, Kumar S. smAMPsTK: a toolkit to unravel the smORFome encoding AMPs of plant species. J Biomol Struct Dyn 2023:1-13. [PMID: 37464885 DOI: 10.1080/07391102.2023.2235605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 07/06/2023] [Indexed: 07/20/2023]
Abstract
The pervasive repertoire of plant molecules with the potential to serve as a substitute for conventional antibiotics has led to obtaining better insights into plant-derived antimicrobial peptides (AMPs). The massive distribution of Small Open Reading Frames (smORFs) throughout eukaryotic genomes with proven extensive biological functions reflects their practicality as antimicrobials. Here, we have developed a pipeline named smAMPsTK to unveil the underlying hidden smORFs encoding AMPs for plant species. By applying this pipeline, we have elicited AMPs of various functional activity of lengths ranging from 5 to 100 aa by employing publicly available transcriptome data of five different angiosperms. Later, we studied the coding potential of AMPs-smORFs, the inclusion of diverse translation initiation start codons, and amino acid frequency. Codon usage study signifies no such codon usage biases for smORFs encoding AMPs. Majorly three start codons are prominent in generating AMPs. The evolutionary and conservational study proclaimed the widespread distribution of AMPs encoding genes throughout the plant kingdom. Domain analysis revealed that nearly all AMPs have chitin-binding ability, establishing their role as antifungal agents. The current study includes a developed methodology to characterize smORFs encoding AMPs, and their implications as antimicrobial, antibacterial, antifungal, or antiviral provided by SVM score and prediction status calculated by machine learning-based prediction models. The pipeline, complete package, and the results derived for five angiosperms are freely available at https://github.com/skbinfo/smAMPsTK.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohini Jaiswal
- Bioinformatics Laboratory, National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, India
| | - Shailesh Kumar
- Bioinformatics Laboratory, National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, India
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Jia Y, Li Y. Genome-Wide Identification and Comparative Analysis of RALF Gene Family in Legume and Non-Legume Species. Int J Mol Sci 2023; 24:ijms24108842. [PMID: 37240187 DOI: 10.3390/ijms24108842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Rapid alkalinization factor (RALF) are small secreted peptide hormones that can induce rapid alkalinization in a medium. They act as signaling molecules in plants, playing a critical role in plant development and growth, especially in plant immunity. Although the function of RALF peptides has been comprehensively analyzed, the evolutionary mechanism of RALFs in symbiosis has not been studied. In this study, 41, 24, 17 and 12 RALFs were identified in Arabidopsis, soybean, Lotus and Medicago, respectively. A comparative analysis including the molecular characteristics and conserved motifs suggested that the RALF pre-peptides in soybean represented a higher value of isoelectric point and more conservative motifs/residues composition than other species. All 94 RALFs were divided into two clades according to the phylogenetic analysis. Chromosome distribution and synteny analysis suggested that the expansion of the RALF gene family in Arabidopsis mainly depended on tandem duplication, while segment duplication played a dominant role in legume species. The expression levels of most RALFs in soybean were significantly affected by the treatment of rhizobia. Seven GmRALFs are potentially involved in the release of rhizobia in the cortex cells. Overall, our research provides novel insights into the understanding of the role of the RALF gene family in nodule symbiosis.
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Affiliation(s)
- Yancui Jia
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Road, Hongshan District, Wuhan 430070, China
| | - Youguo Li
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Road, Hongshan District, Wuhan 430070, China
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Fu B, Xu Z, Lei Y, Dong R, Wang Y, Guo X, Zhu H, Cao Y, Yan Z. A novel secreted protein, NISP1, is phosphorylated by soybean Nodulation Receptor Kinase to promote nodule symbiosis. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2023; 65:1297-1311. [PMID: 36534458 DOI: 10.1111/jipb.13436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/15/2022] [Indexed: 05/13/2023]
Abstract
Nodulation Receptor Kinase (NORK) functions as a co-receptor of Nod factor receptors to mediate rhizobial symbiosis in legumes, but its direct phosphorylation substrates that positively mediate root nodulation remain to be fully identified. Here, we identified a GmNORK-Interacting Small Protein (GmNISP1) that functions as a phosphorylation target of GmNORK to promote soybean nodulation. GmNORKα directly interacted with and phosphorylated GmNISP1. Transcription of GmNISP1 was strongly induced after rhizobial infection in soybean roots and nodules. GmNISP1 encodes a peptide containing 90 amino acids with a "DY" consensus motif at its N-terminus. GmNISP1 protein was detected to be present in the apoplastic space. Phosphorylation of GmNISP1 by GmNORKα could enhance its secretion into the apoplast. Pretreatment with either purified GmNISP1 or phosphorylation-mimic GmNISP112D on the roots could significantly increase nodule numbers compared with the treatment with phosphorylation-inactive GmNISP112A . The data suggested a model that soybean GmNORK phosphorylates GmNISP1 to promote its secretion into the apoplast, which might function as a potential peptide hormone to promote root nodulation.
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Affiliation(s)
- Baolan Fu
- State Key Lab of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhipeng Xu
- State Key Lab of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yutao Lei
- State Key Lab of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Ru Dong
- State Key Lab of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yanan Wang
- State Key Lab of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiaoli Guo
- State Key Lab of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Hui Zhu
- State Key Lab of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yangrong Cao
- State Key Lab of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhe Yan
- National Key Facility for Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
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Ivanovici A, Laffont C, Larrainzar E, Patel N, Winning CS, Lee HC, Imin N, Frugier F, Djordjevic MA. The Medicago SymCEP7 hormone increases nodule number via shoots without compromising lateral root number. PLANT PHYSIOLOGY 2023; 191:2012-2026. [PMID: 36653329 PMCID: PMC10022606 DOI: 10.1093/plphys/kiad012] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Legumes acquire soil nutrients through nitrogen-fixing root nodules and lateral roots. To balance the costs and benefits of nodulation, legumes negatively control root nodule number by autoregulatory and hormonal pathways. How legumes simultaneously coordinate root nodule and lateral root development to procure nutrients remains poorly understood. In Medicago (Medicago truncatula), a subset of mature C-TERMINALLY ENCODED PEPTIDE (CEP) hormones can systemically promote nodule number, but all CEP hormones tested to date negatively regulate lateral root number. Here we showed that Medicago CEP7 produces a mature peptide, SymCEP7, that promotes nodulation from the shoot without compromising lateral root number. Rhizobial inoculation induced CEP7 in the susceptible root nodulation zone in a Nod factor-dependent manner, and, in contrast to other CEP genes, its transcription level was elevated in the ethylene signaling mutant sickle. Using mass spectrometry, fluorescence microscopy and expression analysis, we demonstrated that SymCEP7 activity requires the COMPACT ROOT ARCHITECTURE 2 receptor and activates the shoot-to-root systemic effector, miR2111. Shoot-applied SymCEP7 rapidly promoted nodule number in the pM to nM range at concentrations up to five orders of magnitude lower than effects mediated by root-applied SymCEP7. Shoot-applied SymCEP7 also promoted nodule number in White Clover (Trifolium repens) and Lotus (Lotus japonicus), which suggests that this biological function may be evolutionarily conserved. We propose that SymCEP7 acts in the Medicago shoot to counter balance the autoregulation pathways induced rapidly by rhizobia to enable nodulation without compromising lateral root growth, thus promoting the acquisition of nutrients other than nitrogen to support their growth.
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Affiliation(s)
- Ariel Ivanovici
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Carole Laffont
- University of Paris-Saclay, CNRS, INRAE, University Paris-Cité, Univ. d’Evry, Gif-sur-Yvette, France
| | - Estíbaliz Larrainzar
- Sciences Department, Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra, Pamplona 31006, Spain
| | - Neha Patel
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Courtney S Winning
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Han-Chung Lee
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Nijat Imin
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
- School of Science, Western Sydney University, Penrith, New South Wales 2751, Australia
- School of Biological Sciences, Faculty of Science, The University of Auckland, Auckland, New Zealand
| | - Florian Frugier
- University of Paris-Saclay, CNRS, INRAE, University Paris-Cité, Univ. d’Evry, Gif-sur-Yvette, France
| | - Michael A Djordjevic
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
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Chen QJ, Zhang LP, Song SR, Wang L, Xu WP, Zhang CX, Wang SP, Liu HF, Ma C. vvi-miPEP172b and vvi-miPEP3635b increase cold tolerance of grapevine by regulating the corresponding MIRNA genes. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 325:111450. [PMID: 36075277 DOI: 10.1016/j.plantsci.2022.111450] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 08/16/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
As a kind of small molecular weight proteins, many peptides have been discovered, including peptides encoded by pri-miRNA (miPEPs). Similar as traditional phytohormone or signaling molecular, these peptides participate in numerous plant growth processes. MicroRNAs (miRNAs) play an important regulatory role in plant stress response. While the roles of miPEPs in response to abiotic stress has not been studied now. In this study, to explore whether miPEPs could contribute to low temperature (4ºC) tolerance of plants, the expression pattern of 23 different vvi-MIRs were analyzed by qRT-PCR in 'Thompson Seedless' (Vitis vinifera) plantlets under cold stress (4ºC) firstly, and vvi-MIR172b and vvi-MIR3635b which showed an elevated expression levels were selected to identify miPEPs. Through transient expression, one small open reading frame (sORF) in each of the two pri-miRNAs could increase the expression of corresponding vvi-MIR, and the amino acid sequences of sORFs were named vvi-miPEP172b and vvi-miPEP3635b, respectively. The synthetic vvi-miPEP172b and vvi-miPEP3635b were applied to the grape plantlets, and the tissue culture plantlets exhibited a higher cold tolerance compared with the control groups. These results revealed the effective roles of miPEPs in plant cold stress resistance for the first time, providing a theoretical basis for the future application of miPEPs to agricultural production.
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Affiliation(s)
- Qiu-Ju Chen
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271000, China
| | - Li-Peng Zhang
- Department of Horticulture, College of Agriculture, Shihezi University, Shihezi 832003, Xinjiang, China; Xinjiang Production and Construction Corps Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization, Shihezi 832003, Xinjiang, China
| | - Shi-Ren Song
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lei Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wen-Ping Xu
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Cai-Xi Zhang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shi-Ping Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Huai-Feng Liu
- Department of Horticulture, College of Agriculture, Shihezi University, Shihezi 832003, Xinjiang, China; Xinjiang Production and Construction Corps Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization, Shihezi 832003, Xinjiang, China
| | - Chao Ma
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
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Xie H, Zhao W, Li W, Zhang Y, Hajný J, Han H. Small signaling peptides mediate plant adaptions to abiotic environmental stress. PLANTA 2022; 255:72. [PMID: 35218440 DOI: 10.1007/s00425-022-03859-6] [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: 11/06/2021] [Accepted: 02/14/2022] [Indexed: 05/27/2023]
Abstract
Peptide-receptor complexes activate distinct downstream regulatory networks to mediate plant adaptions to abiotic environmental stress. Plants are constantly exposed to various adverse environmental factors; thus they must adjust their growth accordingly. Plants recruit small secretory peptides to adapt to these detrimental environments. These small peptides, which are perceived by their corresponding receptors and/or co-receptors, act as local- or long-distance mobile signaling molecules to establish cell-to-cell regulatory networks, resulting in optimal cellular and physiological outputs. In this review, we highlight recent advances on the regulatory role of small peptides in plant abiotic responses and nutrients signaling.
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Affiliation(s)
- Heping Xie
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China
| | - Wen Zhao
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China
| | - Weilin Li
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China
| | - Yuzhou Zhang
- College of Life Science, Northwest A&F University, Shaanxi, 712100, Yangling, China
| | - Jakub Hajný
- Laboratory of Growth Regulators, Institute of Experimental Botany and Palacký University, The Czech Academy of Sciences, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Huibin Han
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China.
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Pishchik V, Mirskaya G, Chizhevskaya E, Chebotar V, Chakrabarty D. Nickel stress-tolerance in plant-bacterial associations. PeerJ 2021; 9:e12230. [PMID: 34703670 PMCID: PMC8487243 DOI: 10.7717/peerj.12230] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 09/08/2021] [Indexed: 11/20/2022] Open
Abstract
Nickel (Ni) is an essential element for plant growth and is a constituent of several metalloenzymes, such as urease, Ni-Fe hydrogenase, Ni-superoxide dismutase. However, in high concentrations, Ni is toxic and hazardous to plants, humans and animals. High levels of Ni inhibit plant germination, reduce chlorophyll content, and cause osmotic imbalance and oxidative stress. Sustainable plant-bacterial native associations are formed under Ni-stress, such as Ni hyperaccumulator plants and rhizobacteria showed tolerance to high levels of Ni. Both partners (plants and bacteria) are capable to reduce the Ni toxicity and developed different mechanisms and strategies which they manifest in plant-bacterial associations. In addition to physical barriers, such as plants cell walls, thick cuticles and trichomes, which reduce the elevated levels of Ni entrance, plants are mitigating the Ni toxicity using their own antioxidant defense mechanisms including enzymes and other antioxidants. Bacteria in its turn effectively protect plants from Ni stress and can be used in phytoremediation. PGPR (plant growth promotion rhizobacteria) possess various mechanisms of biological protection of plants at both whole population and single cell levels. In this review, we highlighted the current understanding of the bacterial induced protective mechanisms in plant-bacterial associations under Ni stress.
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Affiliation(s)
- Veronika Pishchik
- All-Russia Research Institute for Agricultural Microbiology, Saint-Petersburg, Pushkin, Russian Federation
- Agrophysical Scientific Research Institute, Saint-Petersburg, Russian Federation
| | - Galina Mirskaya
- Agrophysical Scientific Research Institute, Saint-Petersburg, Russian Federation
| | - Elena Chizhevskaya
- All-Russia Research Institute for Agricultural Microbiology, Saint-Petersburg, Pushkin, Russian Federation
| | - Vladimir Chebotar
- All-Russia Research Institute for Agricultural Microbiology, Saint-Petersburg, Pushkin, Russian Federation
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Zhang J, Yue L, Wu X, Liu H, Wang W. Function of Small Peptides During Male-Female Crosstalk in Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:671196. [PMID: 33968121 PMCID: PMC8102694 DOI: 10.3389/fpls.2021.671196] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/06/2021] [Indexed: 05/25/2023]
Abstract
Plant peptides secreted as signal molecular to trigger cell-to-cell signaling are indispensable for plant growth and development. Successful sexual reproduction in plants requires extensive communication between male and female gametophytes, their gametes, and with the surrounding sporophytic tissues. In the past decade, it has been well-documented that small peptides participate in many important reproductive processes such as self-incompatibility, pollen tube growth, pollen tube guidance, and gamete interaction. Here, we provide a comprehensive overview of the peptides regulating the processes of male-female crosstalk in plant, aiming at systematizing the knowledge on the sexual reproduction, and signaling of plant peptides in future.
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11
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Hrbáčková M, Luptovčiak I, Hlaváčková K, Dvořák P, Tichá M, Šamajová O, Novák D, Bednarz H, Niehaus K, Ovečka M, Šamaj J. Overexpression of alfalfa SIMK promotes root hair growth, nodule clustering and shoot biomass production. PLANT BIOTECHNOLOGY JOURNAL 2021; 19:767-784. [PMID: 33112469 PMCID: PMC8051612 DOI: 10.1111/pbi.13503] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 10/08/2020] [Accepted: 10/15/2020] [Indexed: 05/03/2023]
Abstract
Nitrogen-fixing rhizobia and legumes have developed complex mutualistic mechanism that allows to convert atmospheric nitrogen into ammonia. Signalling by mitogen-activated protein kinases (MAPKs) seems to be involved in this symbiotic interaction. Previously, we reported that stress-induced MAPK (SIMK) shows predominantly nuclear localization in alfalfa root epidermal cells. Nevertheless, SIMK is activated and relocalized to the tips of growing root hairs during their development. SIMK kinase (SIMKK) is a well-known upstream activator of SIMK. Here, we characterized production parameters of transgenic alfalfa plants with genetically manipulated SIMK after infection with Sinorhizobium meliloti. SIMKK RNAi lines, causing strong downregulation of both SIMKK and SIMK, showed reduced root hair growth and lower capacity to form infection threads and nodules. In contrast, constitutive overexpression of GFP-tagged SIMK promoted root hair growth as well as infection thread and nodule clustering. Moreover, SIMKK and SIMK downregulation led to decrease, while overexpression of GFP-tagged SIMK led to increase of biomass in above-ground part of plants. These data suggest that genetic manipulations causing downregulation or overexpression of SIMK affect root hair, nodule and shoot formation patterns in alfalfa, and point to the new biotechnological potential of this MAPK.
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Affiliation(s)
- Miroslava Hrbáčková
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Ivan Luptovčiak
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Kateřina Hlaváčková
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Petr Dvořák
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Michaela Tichá
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Olga Šamajová
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Dominik Novák
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Hanna Bednarz
- Faculty of BiologyCenter for Biotechnology – CeBiTecUniversität BielefeldBielefeldGermany
| | - Karsten Niehaus
- Faculty of BiologyCenter for Biotechnology – CeBiTecUniversität BielefeldBielefeldGermany
| | - Miroslav Ovečka
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
| | - Jozef Šamaj
- Faculty of ScienceDepartment of Cell BiologyCentre of the Region Haná for Biotechnological and Agricultural ResearchPalacký University OlomoucOlomoucCzech Republic
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12
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Niyikiza D, Piya S, Routray P, Miao L, Kim WS, Burch-Smith T, Gill T, Sams C, Arelli PR, Pantalone V, Krishnan HB, Hewezi T. Interactions of gene expression, alternative splicing, and DNA methylation in determining nodule identity. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2020; 103:1744-1766. [PMID: 32491251 DOI: 10.1111/tpj.14861] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/19/2020] [Accepted: 05/20/2020] [Indexed: 06/11/2023]
Abstract
Soybean nodulation is a highly controlled process that involves complex gene regulation at both transcriptional and post-transcriptional levels. In the present study, we profiled gene expression changes, alternative splicing events, and DNA methylation patterns during nodule formation, development, and senescence. The transcriptome data uncovered key transcription patterns of nodule development that included 9669 core genes and 7302 stage-specific genes. Alternative splicing analysis uncovered a total of 2323 genes that undergo alternative splicing events in at least one nodule developmental stage, with activation of exon skipping and repression of intron retention being the most common splicing events in nodules compared to roots. Approximately 40% of the differentially spliced genes were also differentially expressed at the same nodule developmental stage, implying a substantial association between gene expression and alternative splicing. Genome-wide-DNA methylation analysis revealed dynamic changes in nodule methylomes that were specific to each nodule stage, occurred in a sequence-specific manner, and impacted the expression of 1864 genes. An attractive hypothesis raised by our data is that increased DNA methylation may contribute to the efficiency of alternative splicing. Together, our results provide intriguing insights into the associations between gene expression, alternative splicing, and DNA methylation that may shape transcriptome complexity and proteome specificity in developing soybean nodules.
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Affiliation(s)
- Daniel Niyikiza
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, 37996, USA
| | - Sarbottam Piya
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, 37996, USA
| | - Pratyush Routray
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, 37996, USA
| | - Long Miao
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, 37996, USA
| | - Won-Seok Kim
- Plant Science Division, University of Missouri, Columbia, MI, 65211, USA
| | - Tessa Burch-Smith
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN, 37996-0840, USA
| | - Tom Gill
- Smith Center for International Sustainable Agriculture, University of Tennessee, Knoxville, TN, 37996, USA
| | - Carl Sams
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, 37996, USA
| | | | - Vince Pantalone
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, 37996, USA
| | - Hari B Krishnan
- Plant Science Division, University of Missouri, Columbia, MI, 65211, USA
- Plant Genetics Research, USDA-Agricultural Research Service, Columbia, MI, 65211, USA
| | - Tarek Hewezi
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, 37996, USA
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13
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Chapman K, Ivanovici A, Taleski M, Sturrock CJ, Ng JLP, Mohd-Radzman NA, Frugier F, Bennett MJ, Mathesius U, Djordjevic MA. CEP receptor signalling controls root system architecture in Arabidopsis and Medicago. THE NEW PHYTOLOGIST 2020; 226:1809-1821. [PMID: 32048296 DOI: 10.1111/nph.16483] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 02/04/2020] [Indexed: 06/10/2023]
Abstract
Root system architecture (RSA) influences the effectiveness of resources acquisition from soils but the genetic networks that control RSA remain largely unclear. We used rhizoboxes, X-ray computed tomography, grafting, auxin transport measurements and hormone quantification to demonstrate that Arabidopsis and Medicago CEP (C-TERMINALLY ENCODED PEPTIDE)-CEP RECEPTOR signalling controls RSA, the gravitropic set-point angle (GSA) of lateral roots (LRs), auxin levels and auxin transport. We showed that soil-grown Arabidopsis and Medicago CEP receptor mutants have a narrower RSA, which results from a steeper LR GSA. Grafting showed that CEPR1 in the shoot controls GSA. CEP receptor mutants exhibited an increase in rootward auxin transport and elevated shoot auxin levels. Consistently, the application of auxin to wild-type shoots induced a steeper GSA and auxin transport inhibitors counteracted the CEP receptor mutant's steep GSA phenotype. Concordantly, CEP peptides increased GSA and inhibited rootward auxin transport in wild-type but not in CEP receptor mutants. The results indicated that CEP-CEP receptor-dependent signalling outputs in Arabidopsis and Medicago control overall RSA, LR GSA, shoot auxin levels and rootward auxin transport. We propose that manipulating CEP signalling strength or CEP receptor downstream targets may provide means to alter RSA.
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Affiliation(s)
- Kelly Chapman
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Ariel Ivanovici
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Michael Taleski
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Craig J Sturrock
- The Hounsfield Facility, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, UK
| | - Jason L P Ng
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Nadiatul A Mohd-Radzman
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Florian Frugier
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, Université, Paris Sud, Université, Paris Diderot, INRA, Univ d'Evry, Université Paris-Saclay, 91190, Gif-sur-Yvette, France
| | - Malcolm J Bennett
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, UK
| | - Ulrike Mathesius
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Michael A Djordjevic
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
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14
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Sós‐Hegedűs A, Domonkos Á, Tóth T, Gyula P, Kaló P, Szittya G. Suppression of NB-LRR genes by miRNAs promotes nitrogen-fixing nodule development in Medicago truncatula. PLANT, CELL & ENVIRONMENT 2020; 43:1117-1129. [PMID: 31834628 PMCID: PMC7317971 DOI: 10.1111/pce.13698] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/26/2019] [Accepted: 12/04/2019] [Indexed: 05/29/2023]
Abstract
Plant genomes contain two major classes of innate immune receptors to recognize different pathogens. The pattern recognition receptors perceive conserved pathogen-associated molecular patterns and the resistance genes with nucleotide-binding (NB) and leucine-rich repeat (LRR) domains recognize specific pathogen effectors. The precise regulation of resistance genes is important since the unregulated expression of NB-LRR genes can inhibit growth and may result in autoimmunity in the absence of pathogen infection. It was shown that a subset of miRNAs could target NB-LRR genes and act as an important regulator of plant immunity in the absence of pathogens. Plants not only interact with pathogens, but they can also establish symbiotic interactions with microbes. Nitrogen-fixing symbiotic interaction and nodule formation of legumes may also require the suppression of host defence to prevent immune responses. We found that upon symbiotic interactions, miRNAs repressing NB-LRR expression are upregulated in the developing nodules of Medicago truncatula. Furthermore, we show that the suppression of the activity of the NB-LRR genes targeted by these miRNAs is important during nodule development. Our results suggest that the downregulation of NB-LRR resistance genes in the developing nodule produces a suitable niche that facilitates bacterial colonization and the development of an N-fixing nodule.
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Affiliation(s)
- Anita Sós‐Hegedűs
- Department of Plant BiotechnologyAgricultural Biotechnology Institute, National Agricultural Research and Innovation CenterGödöllőHungary
| | - Ágota Domonkos
- Department of GeneticsAgricultural Biotechnology Institute, National Agricultural Research and Innovation CenterGödöllőHungary
| | - Tamás Tóth
- Department of Plant BiotechnologyAgricultural Biotechnology Institute, National Agricultural Research and Innovation CenterGödöllőHungary
| | - Péter Gyula
- Department of Plant BiotechnologyAgricultural Biotechnology Institute, National Agricultural Research and Innovation CenterGödöllőHungary
| | - Péter Kaló
- Department of GeneticsAgricultural Biotechnology Institute, National Agricultural Research and Innovation CenterGödöllőHungary
- Institute of Plant BiologyBiological Research CentreSzegedHungary
| | - György Szittya
- Department of Plant BiotechnologyAgricultural Biotechnology Institute, National Agricultural Research and Innovation CenterGödöllőHungary
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15
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Kyrychenko ОV. SYMBIOTIC PRODUCTIVITY OF PHYTO-BACTERIAL SYSTEMS UNDER THE ACTION OF N-ACETYL-D-GLUCOSAMINE ON DIAZOTROPHIC MICROORGANISMS. BIOTECHNOLOGIA ACTA 2020. [DOI: 10.15407/biotech13.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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16
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Kandelinskaya OL, Grischenko HR, Кhripach VA, Zhabinskii VN, Kartizhova LE, Shashko YK, Kosmachevskaya OV, Nasybullina EI, Topunov AF. Anabolic/anticatabolic and adaptogenic effects of 24-epibrassinolide on Lupinus angustifolius: Causes and consequences. Steroids 2020; 154:108545. [PMID: 31758963 DOI: 10.1016/j.steroids.2019.108545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/19/2019] [Accepted: 11/14/2019] [Indexed: 11/19/2022]
Abstract
Lupinus angustifolius L. is a legume culture known as a source of valuable feed protein and the N2-fixator for improving soil fertility. However, its low ecological resistance does not allow for a stable yield of the crop. Earlier, we have shown that steroid phytohormone 24-epibrassinolide (EBR) increases the tolerance of lupine to chlorine ions by activating the protective proteins in ripening seeds (such as proteinase inhibitors that prevent protein breakdown) and lectins. Here we investigated the effect of EBR on the functional status of the N2-fixing system in root nodules, protein synthesis in ripening seeds and the resistance of lupine plants to various pathogens. It was found that EBR enhanced the nodulation process, N2-fixing activity of nitrogenase and the accumulation of poly-β-hydroxybutirate in the bacteroides, increased the leghemoglobin content in the nodules as well as the metabolic activity of bacteroides. According to data on the inclusion of 14C-leucine in maturing seed proteins, EBR increased the accumulation of protein in them against the background of a short-term decrease in protein synthesis and its subsequent regeneration to the control level. Gradual inhibition of protein synthesis, characteristic of other legumes, was observed in control variants of lupine. EBR increased lupine resistance to phytopathogenic fungi of Colletotrichum genus and insects of Noctuidae and Scarabaeidae families. We concluded that a more complete implementation of the potential productivity and sustainability of lupine under the action of EBR was achieved due to the anabolic/anti-catabolic effect on the N2 fixation system in root nodules, as well as on protein synthesis in ripening seeds.
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Affiliation(s)
- Olga L Kandelinskaya
- Kuprevich Institute of Experimental Botany of the National Academy of Sciences of Belarus, 220072 Minsk, Akademicheskaya, 27, Belarus.
| | - Helena R Grischenko
- Kuprevich Institute of Experimental Botany of the National Academy of Sciences of Belarus, 220072 Minsk, Akademicheskaya, 27, Belarus
| | - Vladimir A Кhripach
- Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, 2200141 Minsk, Kuprevich st, 5/2, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, 2200141 Minsk, Kuprevich st, 5/2, Belarus
| | - Lylia E Kartizhova
- Institute of Microbiology of the National Academy of Sciences of Belarus, 2200141 Minsk, Kuprevich st, 2, Belarus
| | - Yuriy K Shashko
- Research and Practical Center of the National Academy of Sciences of Belarus for Arable Farming, 222160 Zhodino, Timiriyazeva, 1, Belarus
| | - Olga V Kosmachevskaya
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky pr. 33, Moscow 119071, Russia
| | - Elvira I Nasybullina
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky pr. 33, Moscow 119071, Russia
| | - Alexey F Topunov
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky pr. 33, Moscow 119071, Russia
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17
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Schwember AR, Schulze J, Del Pozo A, Cabeza RA. Regulation of Symbiotic Nitrogen Fixation in Legume Root Nodules. PLANTS (BASEL, SWITZERLAND) 2019; 8:E333. [PMID: 31489914 PMCID: PMC6784058 DOI: 10.3390/plants8090333] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 08/30/2019] [Accepted: 09/04/2019] [Indexed: 12/11/2022]
Abstract
In most legume nodules, the di-nitrogen (N2)-fixing rhizobia are present as organelle-like structures inside their root host cells. Many processes operate and interact within the symbiotic relationship between plants and nodules, including nitrogen (N)/carbon (C) metabolisms, oxygen flow through nodules, oxidative stress, and phosphorous (P) levels. These processes, which influence the regulation of N2 fixation and are finely tuned on a whole-plant basis, are extensively reviewed in this paper. The carbonic anhydrase (CA)-phosphoenolpyruvate carboxylase (PEPC)-malate dehydrogenase (MDH) is a key pathway inside nodules involved in this regulation, and malate seems to play a crucial role in many aspects of symbiotic N2 fixation control. How legumes specifically sense N-status and how this stimulates all of the regulatory factors are key issues for understanding N2 fixation regulation on a whole-plant basis. This must be thoroughly studied in the future since there is no unifying theory that explains all of the aspects involved in regulating N2 fixation rates to date. Finally, high-throughput functional genomics and molecular tools (i.e., miRNAs) are currently very valuable for the identification of many regulatory elements that are good candidates for accurately dissecting the particular N2 fixation control mechanisms associated with physiological responses to abiotic stresses. In combination with existing information, utilizing these abundant genetic molecular tools will enable us to identify the specific mechanisms underlying the regulation of N2 fixation.
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Affiliation(s)
- Andrés R Schwember
- Departamento de Ciencias Vegetales, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago 306-22, Chile.
| | - Joachim Schulze
- Department of Crop Science, Section for Plant Nutrition and Crop Physiology, Faculty of Agriculture, University of Goettingen, Carl-Sprengel-Weg 1, 37075 Goettingen, Germany.
| | - Alejandro Del Pozo
- Centro de Mejoramiento Genético y Fenómica Vegetal, Facultad de Ciencias Agrarias, Universidad de Talca, Talca 3460000, Chile.
- Departamento de Producción Agrícola, Facultad de Ciencias Agrarias, Universidad de Talca, Campus Talca, Talca 3460000, Chile.
| | - Ricardo A Cabeza
- Departamento de Producción Agrícola, Facultad de Ciencias Agrarias, Universidad de Talca, Campus Talca, Talca 3460000, Chile.
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18
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Merino MC, Guidarelli M, Negrini F, De Biase D, Pession A, Baraldi E. Induced expression of the Fragaria × ananassa Rapid alkalinization factor-33-like gene decreases anthracnose ontogenic resistance of unripe strawberry fruit stages. MOLECULAR PLANT PATHOLOGY 2019; 20:1252-1263. [PMID: 31355517 PMCID: PMC6715598 DOI: 10.1111/mpp.12837] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Rapid alkalinization factor (RALF) genes encode for ubiquitous small peptides that stimulate apoplastic alkalinization through interaction with malectin-like receptor kinase. RALF peptides may act as negative regulators of plant immune response, inhibiting the formation of the signal receptor complex for immune activation. Recently RALF homologues were identified in different fungal pathogen genomes contributing to host infection ability. Here, FaRALF-33-like gene expression was evaluated in strawberry fruits inoculated with Colletotrichum acutatum, Botrytis cinerea, or Penicillium expansum after 24 and 48 h post-infection. To investigate the role of FaRALF-33-like in strawberry susceptibility, transient transformation was used to overexpress it in white unripe fruits and silence it in red ripe fruits. Agroinfiltrated fruits were inoculated with C. acutatum and expression, and histological analysis of infection were performed. Silencing of FaRALF-33-like expression in C. acutatum-inoculated red fruits led to a delay in fruit colonization by the fungal pathogen, and infected tissues showed less penetrated infective hyphae than in wild-type fruits. In contrast, C. acutatum-inoculated white unripe fruits overexpressing the FaRALF-33-like gene decreased the ontogenic resistance of these fruits, leading to the appearance of disease symptoms and penetrated subcuticular hyphae, normally absent in white unripe fruits. The different response of transfected strawberry fruits to C. acutatum supports the hypothesis that the FaRALF-33-like gene plays an important role in the susceptibility of fruits to the fungal pathogen C. acutatum.
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Affiliation(s)
- Maria Cecilia Merino
- Department of Agricultural and Food Sciences (DISTAL)University of Bolognaviale Fanin 44BolognaItaly
- Present address:
Instituto de Patología Vegetal Ing. Agr. Sergio Fernando Nome (IPAVE) – Unidad de Fitopatología y Modelización Agrícola (UFyMA) INTA-CONICETCentro de Investigaciones Agropecuarias, Instituto Nacional de Tecnología AgropecuariaCórdobaArgentina
| | - Michela Guidarelli
- Department of Agricultural and Food Sciences (DISTAL)University of Bolognaviale Fanin 44BolognaItaly
| | - Francesca Negrini
- Department of Agricultural and Food Sciences (DISTAL)University of Bolognaviale Fanin 44BolognaItaly
| | - Dario De Biase
- Department of Pharmacy and BiotechnologyUniversity of BolognaVia San Giacomo 14Bologna40126Italy
| | - Annalisa Pession
- Department of Pharmacy and BiotechnologyUniversity of BolognaVia San Giacomo 14Bologna40126Italy
| | - Elena Baraldi
- Department of Agricultural and Food Sciences (DISTAL)University of Bolognaviale Fanin 44BolognaItaly
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19
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Fesenko I, Kirov I, Kniazev A, Khazigaleeva R, Lazarev V, Kharlampieva D, Grafskaia E, Zgoda V, Butenko I, Arapidi G, Mamaeva A, Ivanov V, Govorun V. Distinct types of short open reading frames are translated in plant cells. Genome Res 2019; 29:1464-1477. [PMID: 31387879 PMCID: PMC6724668 DOI: 10.1101/gr.253302.119] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023]
Abstract
Genomes contain millions of short (<100 codons) open reading frames (sORFs), which are usually dismissed during gene annotation. Nevertheless, peptides encoded by such sORFs can play important biological roles, and their impact on cellular processes has long been underestimated. Here, we analyzed approximately 70,000 transcribed sORFs in the model plant Physcomitrella patens (moss). Several distinct classes of sORFs that differ in terms of their position on transcripts and the level of evolutionary conservation are present in the moss genome. Over 5000 sORFs were conserved in at least one of 10 plant species examined. Mass spectrometry analysis of proteomic and peptidomic data sets suggested that tens of sORFs located on distinct parts of mRNAs and long noncoding RNAs (lncRNAs) are translated, including conserved sORFs. Translational analysis of the sORFs and main ORFs at a single locus suggested the existence of genes that code for multiple proteins and peptides with tissue-specific expression. Functional analysis of four lncRNA-encoded peptides showed that sORFs-encoded peptides are involved in regulation of growth and differentiation in moss. Knocking out lncRNA-encoded peptides resulted in a decrease of moss growth. In contrast, the overexpression of these peptides resulted in a diverse range of phenotypic effects. Our results thus open new avenues for discovering novel, biologically active peptides in the plant kingdom.
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Affiliation(s)
- Igor Fesenko
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Ilya Kirov
- Laboratory of marker-assisted and genomic selection of plants, All-Russian Research Institute of Agricultural Biotechnology, 127550 Moscow, Russian Federation
| | - Andrey Kniazev
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Regina Khazigaleeva
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Vassili Lazarev
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation.,Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Moscow Region, Russian Federation
| | - Daria Kharlampieva
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
| | - Ekaterina Grafskaia
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation.,Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Moscow Region, Russian Federation
| | - Viktor Zgoda
- Laboratory of System Biology, Institute of Biomedical Chemistry, 119121 Moscow, Russian Federation
| | - Ivan Butenko
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
| | - Georgy Arapidi
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation.,Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
| | - Anna Mamaeva
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Vadim Ivanov
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Vadim Govorun
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
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20
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Nutrient-Responsive Small Signaling Peptides and Their Influence on the Root System Architecture. Int J Mol Sci 2018; 19:ijms19123927. [PMID: 30544528 PMCID: PMC6321020 DOI: 10.3390/ijms19123927] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 12/03/2018] [Accepted: 12/05/2018] [Indexed: 12/21/2022] Open
Abstract
The root system architecture (RSA) of plants is highly dependent on the surrounding nutrient environment. The uptake of essential nutrients triggers various signaling cascades and fluctuations in plant hormones to elicit physical changes in RSA. These pathways may involve signaling components known as small signaling peptides (SSPs), which have been implicated in a variety of plant developmental processes. This review discusses known nutrient-responsive SSPs with a focus on several subclasses that have been shown to play roles in root development. Most functionally well-characterized cases of SSP-mediated changes in RSA are found in responses to nitrogen (N) and phosphorus (P) availability, but other nutrients have also been known to affect the expression of SSP-encoding genes. These nutrient-responsive SSPs may interact downstream with leucine-rich repeat receptor kinases (LRR-RKs) to modulate hormone signaling and cellular processes impacting plant root development. SSPs responsive to multiple nutrient cues potentially act as mediators of crosstalk between the signaling pathways. Study of SSP pathways is complicated because of functional redundancy within peptide and receptor families and due to their functionality partly associated with post-translational modifications; however, as genomic research and techniques progress, novel SSP-encoding genes have been identified in many plant species. Understanding and characterizing the roles of SSPs influencing the root phenotypes will help elucidate the processes that plants use to optimize nutrient acquisition in the environment.
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21
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Kereszt A, Mergaert P, Montiel J, Endre G, Kondorosi É. Impact of Plant Peptides on Symbiotic Nodule Development and Functioning. FRONTIERS IN PLANT SCIENCE 2018; 9:1026. [PMID: 30065740 PMCID: PMC6056668 DOI: 10.3389/fpls.2018.01026] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 06/25/2018] [Indexed: 05/20/2023]
Abstract
Ribosomally synthesized peptides have wide ranges of functions in plants being, for example, signal molecules, transporters, alkaloids, or antimicrobial agents. Legumes are an unprecedented rich source of peptides, which are used to control the symbiosis of these plants with the nitrogen-fixing Rhizobium bacteria. Here, we discuss the function and the evolution of these peptides playing an important role in the formation or functioning of the symbiotic organs, the root nodules. We distinguish peptides that can be either cell-autonomous or secreted short-range or long-range signals, carrying messages in or between plant cells or that can act as effectors interacting with the symbiotic bacteria. Peptides are further classified according to the stage of the symbiotic process where they act. Several peptide classes, including RALF, DLV, ENOD40, and others, control Rhizobium infection and the initiation of cell divisions and the formation of nodule primordia. CLE and CEP peptides are implicated in systemic and local control of nodule initiation during autoregulation of nodulation and in response to the nutritional demands of the plant. Still other peptides act at later stages of the symbiosis. The PSK peptide is thought to be involved in the suppression of immunity in nodules and the nodule-specific cysteine-rich, GRP, and SNARP (LEED..PEED) peptide families are essential in the functioning of the nitrogen fixing root nodules. The NCRs and possibly also the GRP and SNARPs are targeted to the endosymbionts and play essential roles in the terminal differentiation of these bacteria.
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Affiliation(s)
- Attila Kereszt
- Institute of Plant Biology, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Peter Mergaert
- Institute of Integrative Biology of the Cell, UMR 9198, CNRS – CEA – Université Paris-Sud, Gif-sur-Yvette, France
| | - Jesús Montiel
- Institute of Plant Biology, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Gabriella Endre
- Institute of Plant Biology, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Éva Kondorosi
- Institute of Plant Biology, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
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22
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Imin N, Patel N, Corcilius L, Payne RJ, Djordjevic MA. CLE peptide tri-arabinosylation and peptide domain sequence composition are essential for SUNN-dependent autoregulation of nodulation in Medicago truncatula. THE NEW PHYTOLOGIST 2018; 218:73-80. [PMID: 29393515 DOI: 10.1111/nph.15019] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 01/09/2018] [Indexed: 05/23/2023]
Abstract
MtCLE12 and MtCLE13 encode CLAVATA3/EMBRYO-SURROUNDING REGION RELATED (CLE) peptides which regulate autoregulation of nodulation (AON) in Medicago through the shoot receptor, SUNN (SUPER NUMERIC NODULES). Genetics suggests RDN1 (ROOT-DETERMINED NODULATION 1) arabinosylates MtCLE12 to enable SUNN perception. The functional structures of MtCLE12 and MtCLE13 peptides, however, remain elusive. We combined genetic and chemical synthesis approaches to determine if glyco-modifications of three nodule-expressed CLE peptides are essential for AON. We also examined how root and shoot applied AON-CLEs inhibit nodulation. MtCLE12, MtCLE13 and MtCLE42 peptides were synthesized with hydroxylation, mono-arabinosylation or tri-arabinosylation (TaP) at proline 7. Only MtCLE12-TaP and MtCLE13-TaP peptides induced AON in wild-type (WT) and rdn1-1, but not in sunn-4. The application of MtCLE13-TaP to cotyledons 1 d before rhizobial inoculation completely inhibited both rhizobial infection and nodulation. By contrast, MtCLE12-TaP induced significant AON without abolishing rhizobial infection. The results indicate that key CLE domain amino acids and TaP modifications to MtCLE12 and MtCLE13 are essential for SUNN-dependent AON. We also show evidence that RDN1 does not tri-arabinosylate MtCLE13. Finally, MtCLE13-TaP can induce a strong AON response in shoots that inhibits the entire symbiotic processes in roots. We present a new model for AON in Medicago.
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Affiliation(s)
- Nijat Imin
- Division of Plant Science, Research School of Biology, The Australian National University, Canberra, ACT2601, Australia
| | - Neha Patel
- Division of Plant Science, Research School of Biology, The Australian National University, Canberra, ACT2601, Australia
| | - Leo Corcilius
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Richard J Payne
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Michael A Djordjevic
- Division of Plant Science, Research School of Biology, The Australian National University, Canberra, ACT2601, Australia
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23
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Hidalgo Á, Ruiz-Sainz JE, Vinardell JM. A New, Nondestructive, Split-Root System for Local and Systemic Plant Responses Studies with Soybean. Methods Mol Biol 2018; 1734:297-306. [PMID: 29288463 DOI: 10.1007/978-1-4939-7604-1_23] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Plants use long-distance signaling mechanisms to coordinate their growth and control their interactions, positive or negative, with microbes. Split-root systems (SRS) have been used to study the relevance of both local and systemic plant mechanisms that participate in the control of rhizobia-legume symbioses. In this work we have developed a modification of the standard split-root system (SRS) used with soybean. This modified method, unlike previous systems, operates in hydroponics conditions and therefore is nondestructive and allows for the continuous monitoring of soybean roots throughout the whole experiment.
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Affiliation(s)
- Ángeles Hidalgo
- Department of Microbiology, Faculty of Biology, University of Seville, Avda. Reina Mercedes 6, 41012, Seville, Spain
| | - José E Ruiz-Sainz
- Department of Microbiology, Faculty of Biology, University of Seville, Avda. Reina Mercedes 6, 41012, Seville, Spain
| | - José M Vinardell
- Department of Microbiology, Faculty of Biology, University of Seville, Avda. Reina Mercedes 6, 41012, Seville, Spain.
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24
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Proust H, Hartmann C, Crespi M, Lelandais-Brière C. Root Development in Medicago truncatula: Lessons from Genetics to Functional Genomics. Methods Mol Biol 2018; 1822:205-239. [PMID: 30043307 DOI: 10.1007/978-1-4939-8633-0_15] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This decade introduced "omics" approaches, such as genomics, transcriptomics, proteomics, and metabolomics in association with reverse and forward genetic approaches, developed earlier, to try to identify molecular pathways involved in the development or in the response to environmental conditions as well as in animals and plants. This review summarizes studies that utilized "omics" strategies to unravel the root development in the model legume Medicago truncatula and how external factors such as soil mineral status or the presence of bacteria and fungi affect root system architecture in this species. We also compare these "omics" data to the knowledges concerning the Arabidopsis thaliana root development, nowadays considered as the model of allorhiz root systems. However, unlike legumes, this species is unable to interact with soil nitrogen-fixing rhizobia and arbuscular-mycorrhizal (AM) fungi to develop novel root-derived symbiotic structures. Differences in root organization, development, and regulatory pathways between these two model species have been highlighted.
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Affiliation(s)
- Hélène Proust
- Institute of Plant Sciences Paris-Saclay, IPS2, Univ. Paris-Diderot, CNRS, INRA, Univ. Paris-Sud, Univ. Evry Val d'Essonne, Sorbonne Paris-Cité, University of Paris-Saclay, Orsay, France
| | - Caroline Hartmann
- Institute of Plant Sciences Paris-Saclay, IPS2, Univ. Paris-Diderot, CNRS, INRA, Univ. Paris-Sud, Univ. Evry Val d'Essonne, Sorbonne Paris-Cité, University of Paris-Saclay, Orsay, France
| | - Martin Crespi
- Institute of Plant Sciences Paris-Saclay, IPS2, Univ. Paris-Diderot, CNRS, INRA, Univ. Paris-Sud, Univ. Evry Val d'Essonne, Sorbonne Paris-Cité, University of Paris-Saclay, Orsay, France
| | - Christine Lelandais-Brière
- Institute of Plant Sciences Paris-Saclay, IPS2, Univ. Paris-Diderot, CNRS, INRA, Univ. Paris-Sud, Univ. Evry Val d'Essonne, Sorbonne Paris-Cité, University of Paris-Saclay, Orsay, France.
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25
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Patel N, Mohd-Radzman NA, Corcilius L, Crossett B, Connolly A, Cordwell SJ, Ivanovici A, Taylor K, Williams J, Binos S, Mariani M, Payne RJ, Djordjevic MA. Diverse Peptide Hormones Affecting Root Growth Identified in the Medicago truncatula Secreted Peptidome. Mol Cell Proteomics 2017; 17:160-174. [PMID: 29079721 DOI: 10.1074/mcp.ra117.000168] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 09/14/2017] [Indexed: 12/22/2022] Open
Abstract
Multigene families encoding diverse secreted peptide hormones play important roles in plant development. A need exists to efficiently elucidate the structures and post-translational-modifications of these difficult-to-isolate peptide hormones in planta so that their biological functions can be determined. A mass spectrometry and bioinformatics approach was developed to comprehensively analyze the secreted peptidome of Medicago hairy root cultures and xylem sap. We identified 759 spectra corresponding to the secreted products of twelve peptide hormones including four CEP (C-TERMINALLY ENCODED PEPTIDE), two CLE (CLV3/ENDOSPERM SURROUNDING REGION RELATED) and six XAP (XYLEM SAP ASSOCIATED PEPTIDE) peptides. The MtCEP1, MtCEP2, MtCEP5 and MtCEP8 peptides identified differed in post-translational-modifications. Most were hydroxylated at conserved proline residues but some MtCEP1 derivatives were tri-arabinosylated. In addition, many CEP peptides possessed unexpected N- and C-terminal extensions. The pattern of these extensions suggested roles for endo- and exoproteases in CEP peptide maturation. Longer than expected, hydroxylated and homogeneously modified mono- and tri-arabinosylated CEP peptides corresponding to their in vivo structures were chemically synthesized to probe the effect of these post-translational-modifications on function. The ability of CEP peptides to elevate root nodule number was increased by hydroxylation at key positions. MtCEP1 peptides with N-terminal extensions or with tri-arabinosylation modification, however, were unable to impart increased nodulation. The MtCLE5 and MtCLE17 peptides identified were of precise size, and inhibited main root growth and increased lateral root number. Six XAP peptides, each beginning with a conserved DY sulfation motif, were identified including MtXAP1a, MtXAP1b, MtXAP1c, MtXAP3, MtXAP5 and MtXAP7. MtXAP1a and MtXAP5 inhibited lateral root emergence. Transcriptional analyses demonstrated peptide hormone gene expression in the root vasculature and tip. Since hairy roots can be induced on many plants, their corresponding root cultures may represent ideal source materials to efficiently identify diverse peptide hormones in vivo in a broad range of species.
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Affiliation(s)
- Neha Patel
- From the ‡Division of Plant Sciences, Research School of Biology, College of Medicine, Biology and the Environment, The Australian National University, Canberra, ACT, Australia
| | - Nadiatul A Mohd-Radzman
- From the ‡Division of Plant Sciences, Research School of Biology, College of Medicine, Biology and the Environment, The Australian National University, Canberra, ACT, Australia
| | - Leo Corcilius
- §School of Chemistry, The University of Sydney, Sydney, Australia
| | - Ben Crossett
- ¶Sydney Mass Spectrometry, The University of Sydney, Sydney, Australia
| | - Angela Connolly
- ¶Sydney Mass Spectrometry, The University of Sydney, Sydney, Australia
| | - Stuart J Cordwell
- ¶Sydney Mass Spectrometry, The University of Sydney, Sydney, Australia.,‖Charles Perkins Centre, School of Life and Environmental Sciences, The University of Sydney, Australia
| | - Ariel Ivanovici
- From the ‡Division of Plant Sciences, Research School of Biology, College of Medicine, Biology and the Environment, The Australian National University, Canberra, ACT, Australia
| | - Katia Taylor
- From the ‡Division of Plant Sciences, Research School of Biology, College of Medicine, Biology and the Environment, The Australian National University, Canberra, ACT, Australia
| | - James Williams
- §School of Chemistry, The University of Sydney, Sydney, Australia
| | - Steve Binos
- **Thermo Fisher Scientific Pty. Ltd., 5 Caribbean Drive, Scoresby, VIC 3179, Australia
| | - Michael Mariani
- **Thermo Fisher Scientific Pty. Ltd., 5 Caribbean Drive, Scoresby, VIC 3179, Australia
| | - Richard J Payne
- §School of Chemistry, The University of Sydney, Sydney, Australia
| | - Michael A Djordjevic
- From the ‡Division of Plant Sciences, Research School of Biology, College of Medicine, Biology and the Environment, The Australian National University, Canberra, ACT, Australia;
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26
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de Bang TC, Lay KS, Scheible WR, Takahashi H. Small peptide signaling pathways modulating macronutrient utilization in plants. CURRENT OPINION IN PLANT BIOLOGY 2017; 39:31-39. [PMID: 28582679 DOI: 10.1016/j.pbi.2017.05.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/28/2017] [Accepted: 05/07/2017] [Indexed: 06/07/2023]
Abstract
Root system architecture (RSA) and physiological functions define macronutrient uptake efficiency. Small signaling peptides (SSPs), that act in manners similar to hormones, and their cognate receptors transmit signals both locally and systemically. Several SSPs controlling morphological and physiological traits of roots have been identified to be associated with macronutrient uptake. Recent development in plant genome research has provided an avenue toward systems-based identification and prediction of additional SSPs. This review highlights recent studies on SSP pathways important for optimization of macronutrient uptake and provides new insights into the diversity of SSPs regulated in response to changes in macronutrient availabilities.
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Affiliation(s)
- Thomas C de Bang
- Copenhagen Plant Science Center, Department of Plant and Environmental Sciences, University of Copenhagen, DK-1871 Frederiksberg C, Denmark
| | - Katerina S Lay
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | | | - Hideki Takahashi
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA.
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27
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Wildermuth MC, Steinwand MA, McRae AG, Jaenisch J, Chandran D. Adapted Biotroph Manipulation of Plant Cell Ploidy. ANNUAL REVIEW OF PHYTOPATHOLOGY 2017; 55:537-564. [PMID: 28617655 DOI: 10.1146/annurev-phyto-080516-035458] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Diverse plant biotrophs that establish a sustained site of nutrient acquisition induce localized host endoreduplication. Endoreduplication is a process by which cells successively replicate their genomes without mitosis, resulting in an increase in nuclear DNA ploidy. Elevated ploidy is associated with enhanced cell size, metabolic capacity, and the capacity to differentiate. Localized host endoreduplication induced by adapted plant biotrophs promotes biotroph colonization, development, and/or proliferation. When induced host endoreduplication is limited, biotroph growth and/or development are compromised. Herein, we examine a diverse set of plant-biotroph interactions to identify (a) common host components manipulated to promote induced host endoreduplication and (b) biotroph effectors that facilitate this induced host process. Shared mechanisms to promote host endoreduplication and development of nutrient exchange/feeding sites include manipulation centered on endocycle entry at the G2-M transition as well as yet undefined roles for differentiation regulators (e.g., CLE peptides) and pectin/cell wall modification.
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Affiliation(s)
- Mary C Wildermuth
- Department of Plant & Microbial Biology, University of California, Berkeley, California 94720;
| | - Michael A Steinwand
- Department of Plant & Microbial Biology, University of California, Berkeley, California 94720;
| | - Amanda G McRae
- Department of Plant & Microbial Biology, University of California, Berkeley, California 94720;
| | - Johan Jaenisch
- Department of Plant & Microbial Biology, University of California, Berkeley, California 94720;
| | - Divya Chandran
- Regional Center for Biotechnology, NCR Biotech Science Cluster, Faridabad, India 121001
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28
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Murray JD, Liu CW, Chen Y, Miller AJ. Nitrogen sensing in legumes. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:1919-1926. [PMID: 27927992 DOI: 10.1093/jxb/erw405] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Legumes fix atmospheric nitrogen (N) in a symbiotic relationship with bacteria. For this reason, although legume crops can be low yielding and less profitable when compared with cereals, they are frequently included in crop rotations. Grain legumes form only a minor part of most human diets, and legume crops are greatly underutilized. Food security and soil fertility could be significantly improved by greater grain legume usage and increased improvement of a range of grain legumes. One limitation for the use of legumes as a source of N input into agricultural systems is the fact that the formation of N-fixing nodules is suppressed when soils are replete with n. In this review, we report what is known about this process and how soil N supply might be sensed and feed back to regulate nodulation.
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Affiliation(s)
- Jeremy D Murray
- Department of Cell and Developmental Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Cheng-Wu Liu
- Department of Cell and Developmental Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Yi Chen
- Department of Metabolic Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Anthony J Miller
- Department of Metabolic Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
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29
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Nishida H, Handa Y, Tanaka S, Suzaki T, Kawaguchi M. Expression of the CLE-RS3 gene suppresses root nodulation in Lotus japonicus. JOURNAL OF PLANT RESEARCH 2016; 129:909-919. [PMID: 27294965 DOI: 10.1007/s10265-016-0842-z] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 05/12/2016] [Indexed: 05/21/2023]
Abstract
Cell-to-cell communication, principally mediated by short- or long-range mobile signals, is involved in many plant developmental processes. In root nodule symbiosis, a mutual relationship between leguminous plants and nitrogen-fixing rhizobia, the mechanism for the autoregulation of nodulation (AON) plays a key role in preventing the production of an excess number of nodules. AON is based on long-distance cell-to-cell communication between roots and shoots. In Lotus japonicus, two CLAVATA3/ESR-related (CLE) peptides, encoded by CLE-ROOT SIGNAL 1 (CLE-RS1) and -RS2, act as putative root-derived signals that transmit signals inhibiting further nodule development through interaction with a shoot-acting receptor-like kinase HYPERNODULATION ABERRANT ROOT FORMATION 1 (HAR1). Here, an in silico search and subsequent expression analyses enabled us to identify two new L. japonicus CLE genes that are potentially involved in nodulation, designated as CLE-RS3 and LjCLE40. Time-course expression patterns showed that CLE-RS1/2/3 and LjCLE40 expression is induced during nodulation with different activation patterns. Furthermore, constitutive expression of CLE-RS3 significantly suppressed nodule formation in a HAR1-dependent manner. TOO MUCH LOVE, a root-acting regulator of AON, is also required for the CLE-RS3 action. These results suggest that CLE-RS3 is a new component of AON in L. japonicus that may act as a potential root-derived signal through interaction with HAR1. Because CLE-RS2, CLE-RS3 and LjCLE40 are located in tandem in the genome and their expression is induced not only by rhizobial infection but also by nitrate, these genes may have duplicated from a common gene.
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Affiliation(s)
- Hanna Nishida
- National Institute for Basic Biology, Okazaki, 444-8585, Japan
- School of Life Science, The Graduate University for Advanced Studies, Okazaki, 444-8585, Japan
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, 305-8572, Japan
| | - Yoshihiro Handa
- National Institute for Basic Biology, Okazaki, 444-8585, Japan
| | - Sachiko Tanaka
- National Institute for Basic Biology, Okazaki, 444-8585, Japan
| | - Takuya Suzaki
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, 305-8572, Japan.
| | - Masayoshi Kawaguchi
- National Institute for Basic Biology, Okazaki, 444-8585, Japan.
- School of Life Science, The Graduate University for Advanced Studies, Okazaki, 444-8585, Japan.
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30
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Araya T, von Wirén N, Takahashi H. CLE peptide signaling and nitrogen interactions in plant root development. PLANT MOLECULAR BIOLOGY 2016; 91:607-615. [PMID: 26994997 DOI: 10.1007/s11103-016-0472-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 03/11/2016] [Indexed: 06/05/2023]
Abstract
The CLAVATA signaling pathway is essential for the regulation of meristem activities in plants. This signaling pathway consists of small signaling peptides of the CLE family interacting with CLAVATA1 and leucine-rich repeat receptor-like kinases (LRR-RLKs). The peptide-receptor relationships determine the specificities of CLE-dependent signals controlling stem cell fate and differentiation that are critical for the establishment and maintenance of shoot and root apical meristems. Plants root systems are highly organized into three-dimensional structures for successful anchoring and uptake of water and mineral nutrients from the soil environment. Recent studies have provided evidence that CLE peptides and CLAVATA signaling pathways play pivotal roles in the regulation of lateral root development and systemic autoregulation of nodulation (AON) integrated with nitrogen (N) signaling mechanisms. Integrations of CLE and N signaling pathways through shoot-root vascular connections suggest that N demand modulates morphological control mechanisms and optimize N uptake as well as symbiotic N fixation in roots.
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Affiliation(s)
- Takao Araya
- Leibniz Institute of Plant Genetics and Crop Plant Research, 06466, Gatersleben, Germany
| | - Nicolaus von Wirén
- Leibniz Institute of Plant Genetics and Crop Plant Research, 06466, Gatersleben, Germany
| | - Hideki Takahashi
- Department of Biochemistry and Molecular Biology, Michigan State University, 603 Wilson Road, East Lansing, MI, 48824, USA.
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31
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Baral B, Teixeira da Silva JA, Izaguirre-Mayoral ML. Early signaling, synthesis, transport and metabolism of ureides. JOURNAL OF PLANT PHYSIOLOGY 2016; 193:97-109. [PMID: 26967003 DOI: 10.1016/j.jplph.2016.01.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 12/04/2015] [Accepted: 01/11/2016] [Indexed: 05/26/2023]
Abstract
The symbiosis between α nitrogen (N2)-fixing Proteobacteria (family Rhizobiaceae) and legumes belonging to the Fabaceae (a single phylogenetic group comprising three subfamilies: Caesalpinioideae, Mimosoideae and Papilionoideae) results in the formation of a novel root structure called a nodule, where atmospheric N2 is fixed into NH3(+). In the determinate type of nodules harbored by Rhizobium-nodulated Fabaceae species, newly synthesized NH3(+) is finally converted into allantoin (C4H6N4O3) and allantoic acid (C4H8N4O4) (ureides) through complex pathways involving at least 20 different enzymes that act synchronously in two types of nodule cells with contrasting ultrastructure, including the tree nodule cell organelles. Newly synthesized ureides are loaded into the network of nodule-root xylem vessels and transported to aerial organs by the transpirational water current. Once inside the leaves, ureides undergo an enzymatically driven reverse process to yield NH4(+) that is used for growth. This supports the role of ureides as key nitrogen (N)-compounds for the growth and yield of legumes nodulated by Rhizobium that grow in soils with a low N content. Thus, a concrete understanding of the mechanisms underlying ureide biogenesis and catabolism in legumes may help agrobiologists to achieve greater agricultural discoveries. In this review we focus on the transmembranal and transorganellar symplastic and apoplastic movement of N-precursors within the nodules, as well as on the occurrence, localization and properties of enzymes and genes involved in the biogenesis and catabolism of ureides. The synthesis and transport of ureides are not unique events in Rhizobium-nodulated N2-fixing legumes. Thus, a brief description of the synthesis and catabolism of ureides in non-legumes was included for comparison. The establishment of the symbiosis, nodule organogenesis and the plant's control of nodule number, synthesis and translocation of ureides via feed-back inhibition mechanisms are also reviewed.
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Affiliation(s)
- Bikash Baral
- Faculty of Agriculture and Forestry, University of Helsinki, P.O. Box 27, Latokartanonkaari 7, FIN-00014 Helsinki, Finland.
| | | | - Maria Luisa Izaguirre-Mayoral
- Biological Nitrogen Fixation Laboratory, Chemistry Department, Faculty of Science, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa.
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Shabala S, White RG, Djordjevic MA, Ruan YL, Mathesius U. Root-to-shoot signalling: integration of diverse molecules, pathways and functions. FUNCTIONAL PLANT BIOLOGY : FPB 2016; 43:87-104. [PMID: 32480444 DOI: 10.1071/fp15252] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 10/06/2015] [Indexed: 05/23/2023]
Abstract
Plant adaptive potential is critically dependent upon efficient communication and co-ordination of resource allocation and signalling between above- and below-ground plant parts. Plant roots act as gatekeepers that sense and encode information about soil physical, chemical and biological factors, converting them into a sophisticated network of signals propagated both within the root itself, and also between the root and shoot, to optimise plant performance for a specific set of conditions. In return, plant roots receive and decode reciprocal information coming from the shoot. The communication modes are highly diverse and include a broad range of physical (electric and hydraulic signals, propagating Ca2+ and ROS waves), chemical (assimilates, hormones, peptides and nutrients), and molecular (proteins and RNA) signals. Further, different signalling systems operate at very different timescales. It remains unclear whether some of these signalling systems operate in a priming mode(s), whereas others deliver more specific information about the nature of the signal, or whether they carry the same 'weight'. This review summarises the current knowledge of the above signalling mechanisms, and reveals their hierarchy, and highlights the importance of integration of these signalling components, to enable optimal plant functioning in a dynamic environment.
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Affiliation(s)
- Sergey Shabala
- School of Land and Food, University of Tasmania, Private Bag 54, Hobart, Tas. 7001, Australia
| | | | - Michael A Djordjevic
- Plant Science Division, Research School of Biology, Building 134, Linnaeus Way, The Australian National University, Canberra, ACT 2601, Australia
| | - Yong-Ling Ruan
- School of Environmental and Life Sciences, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Ulrike Mathesius
- Plant Science Division, Research School of Biology, Building 134, Linnaeus Way, The Australian National University, Canberra, ACT 2601, Australia
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33
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Simon R, Dresselhaus T. Peptides take centre stage in plant signaling. Preface. JOURNAL OF EXPERIMENTAL BOTANY 2015; 66:5135-8. [PMID: 26473197 PMCID: PMC4526926 DOI: 10.1093/jxb/erv376] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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