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Berrabah F, Benaceur F, Yin C, Xin D, Magne K, Garmier M, Gruber V, Ratet P. Defense and senescence interplay in legume nodules. PLANT COMMUNICATIONS 2024; 5:100888. [PMID: 38532645 PMCID: PMC11009364 DOI: 10.1016/j.xplc.2024.100888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 02/05/2024] [Accepted: 03/23/2024] [Indexed: 03/28/2024]
Abstract
Immunity and senescence play a crucial role in the functioning of the legume symbiotic nodules. The miss-regulation of one of these processes compromises the symbiosis leading to death of the endosymbiont and the arrest of the nodule functioning. The relationship between immunity and senescence has been extensively studied in plant organs where a synergistic response can be observed. However, the interplay between immunity and senescence in the symbiotic organ is poorly discussed in the literature and these phenomena are often mixed up. Recent studies revealed that the cooperation between immunity and senescence is not always observed in the nodule, suggesting complex interactions between these two processes within the symbiotic organ. Here, we discuss recent results on the interplay between immunity and senescence in the nodule and the specificities of this relationship during legume-rhizobium symbiosis.
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Affiliation(s)
- Fathi Berrabah
- Faculty of Sciences, University Amar Telidji, 03000 Laghouat, Algeria; Research Unit of Medicinal Plants (RUMP), National Center of Biotechnology Research, CRBt, 25000 Constantine, Algeria.
| | - Farouk Benaceur
- Faculty of Sciences, University Amar Telidji, 03000 Laghouat, Algeria; Research Unit of Medicinal Plants (RUMP), National Center of Biotechnology Research, CRBt, 25000 Constantine, Algeria
| | - Chaoyan Yin
- Université Paris-Saclay, CNRS, INRAE, University of Evry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France; Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Dawei Xin
- Key Laboratory of Soybean Biology in the Chinese Ministry of Education, College of Agriculture, Northeast Agricultural University, Harbin 150030, China
| | - Kévin Magne
- Université Paris-Saclay, CNRS, INRAE, University of Evry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France; Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Marie Garmier
- Université Paris-Saclay, CNRS, INRAE, University of Evry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France; Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Véronique Gruber
- Université Paris-Saclay, CNRS, INRAE, University of Evry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France; Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France.
| | - Pascal Ratet
- Université Paris-Saclay, CNRS, INRAE, University of Evry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France; Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
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Berrabah F, Bernal G, Elhosseyn AS, El Kassis C, L’Horset R, Benaceur F, Wen J, Mysore KS, Garmier M, Gourion B, Ratet P, Gruber V. Insight into the control of nodule immunity and senescence during Medicago truncatula symbiosis. PLANT PHYSIOLOGY 2023; 191:729-746. [PMID: 36305683 PMCID: PMC9806560 DOI: 10.1093/plphys/kiac505] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Medicago (Medicago truncatula) establishes a symbiosis with the rhizobia Sinorhizobium sp, resulting in the formation of nodules where the bacteria fix atmospheric nitrogen. The loss of immunity repression or early senescence activation compromises symbiont survival and leads to the formation of nonfunctional nodules (fix-). Despite many studies exploring an overlap between immunity and senescence responses outside the nodule context, the relationship between these processes in the nodule remains poorly understood. To investigate this phenomenon, we selected and characterized three Medicago mutants developing fix- nodules and showing senescence responses. Analysis of specific defense (PATHOGENESIS-RELATED PROTEIN) or senescence (CYSTEINE PROTEASE) marker expression demonstrated that senescence and immunity seem to be antagonistic in fix- nodules. The growth of senescence mutants on non-sterile (sand/perlite) substrate instead of sterile in vitro conditions decreased nodule senescence and enhanced defense, indicating that environment can affect the immunity/senescence balance. The application of wounding stress on wild-type (WT) fix+ nodules led to the death of intracellular rhizobia and associated with co-stimulation of defense and senescence markers, indicating that in fix+ nodules the relationship between the two processes switches from opposite to synergistic to control symbiont survival during response to the stress. Our data show that the immune response in stressed WT nodules is linked to the repression of DEFECTIVE IN NITROGEN FIXATION 2 (DNF2), Symbiotic CYSTEINE-RICH RECEPTOR-LIKE KINASE (SymCRK), and REGULATOR OF SYMBIOSOME DIFFERENTIATION (RSD), key genes involved in symbiotic immunity suppression. This study provides insight to understand the links between senescence and immunity in Medicago nodules.
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Affiliation(s)
- Fathi Berrabah
- Faculty of Sciences, Department of Biology, Amar Telidji University, 03000 Laghouat, Algeria
- Research Unit of Medicinal Plants (RUMP), National Center of Biotechnology Research, CRBt, 25000 Constantine, Algeria
| | - Gautier Bernal
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Ait-Salem Elhosseyn
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Cyrille El Kassis
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Roxane L’Horset
- Pôle de Protection des Plantes, UMR PVBMT, 97410 Saint-Pierre, Réunion, France
| | - Farouk Benaceur
- Faculty of Sciences, Department of Biology, Amar Telidji University, 03000 Laghouat, Algeria
- Research Unit of Medicinal Plants (RUMP), National Center of Biotechnology Research, CRBt, 25000 Constantine, Algeria
| | - Jiangqi Wen
- The Institute of Agricultural Biosciences, Oklahoma State University, Ardmore, Oklahoma 73401, USA
| | - Kirankumar S Mysore
- The Institute of Agricultural Biosciences, Oklahoma State University, Ardmore, Oklahoma 73401, USA
| | - Marie Garmier
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Benjamin Gourion
- LIPME, Université de Toulouse, INRAE, CNRS, 31320 Castanet-Tolosan, France
| | - Pascal Ratet
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Véronique Gruber
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
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Ghitti E, Rolli E, Crotti E, Borin S. Flavonoids Are Intra- and Inter-Kingdom Modulator Signals. Microorganisms 2022; 10:microorganisms10122479. [PMID: 36557733 PMCID: PMC9781135 DOI: 10.3390/microorganisms10122479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/07/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Flavonoids are a broad class of secondary metabolites with multifaceted functionalities for plant homeostasis and are involved in facing both biotic and abiotic stresses to sustain plant growth and health. Furthermore, they were discovered as mediators of plant networking with the surrounding environment, showing a surprising ability to perform as signaling compounds for a multitrophic inter-kingdom level of communication that influences the plant host at the phytobiome scale. Flavonoids orchestrate plant-neighboring plant allelopathic interactions, recruit beneficial bacteria and mycorrhizal fungi, counteract pathogen outbreak, influence soil microbiome and affect plant physiology to improve its resilience to fluctuating environmental conditions. This review focuses on the diversified spectrum of flavonoid functions in plants under a variety of stresses in the modulation of plant morphogenesis in response to environmental clues, as well as their role as inter-kingdom signaling molecules with micro- and macroorganisms. Regarding the latter, the review addresses flavonoids as key phytochemicals in the human diet, considering their abundance in fruits and edible plants. Recent evidence highlights their role as nutraceuticals, probiotics and as promising new drugs for the treatment of several pathologies.
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