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Kesten C, Leitner V, Dora S, Sims JW, Dindas J, Zipfel C, De Moraes CM, Sanchez-Rodriguez C. Soil-borne fungi alter the apoplastic purinergic signaling in plants by deregulating the homeostasis of extracellular ATP and its metabolite adenosine. eLife 2023; 12:e92913. [PMID: 37994905 PMCID: PMC10746138 DOI: 10.7554/elife.92913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/23/2023] [Indexed: 11/24/2023] Open
Abstract
Purinergic signaling activated by extracellular nucleotides and their derivative nucleosides trigger sophisticated signaling networks. The outcome of these pathways determine the capacity of the organism to survive under challenging conditions. Both extracellular ATP (eATP) and Adenosine (eAdo) act as primary messengers in mammals, essential for immunosuppressive responses. Despite the clear role of eATP as a plant damage-associated molecular pattern, the function of its nucleoside, eAdo, and of the eAdo/eATP balance in plant stress response remain to be fully elucidated. This is particularly relevant in the context of plant-microbe interaction, where the intruder manipulates the extracellular matrix. Here, we identify Ado as a main molecule secreted by the vascular fungus Fusarium oxysporum. We show that eAdo modulates the plant's susceptibility to fungal colonization by altering the eATP-mediated apoplastic pH homeostasis, an essential physiological player during the infection of this pathogen. Our work indicates that plant pathogens actively imbalance the apoplastic eAdo/eATP levels as a virulence mechanism.
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Affiliation(s)
- Christopher Kesten
- Department of Biology and Zürich-Basel Plant Science CenterZürichSwitzerland
- Department for Plant and Environmental Sciences, University of CopenhagenCopenhagenDenmark
| | - Valentin Leitner
- Department of Biology and Zürich-Basel Plant Science CenterZürichSwitzerland
| | - Susanne Dora
- Department of Biology and Zürich-Basel Plant Science CenterZürichSwitzerland
| | - James W Sims
- Department of Environmental Systems Science, ETH ZürichZurichSwitzerland
| | - Julian Dindas
- Institute of Plant and Microbial Biology and Zürich-Basel Plant Science Center, University of ZürichZürichSwitzerland
| | - Cyril Zipfel
- Institute of Plant and Microbial Biology and Zürich-Basel Plant Science Center, University of ZürichZürichSwitzerland
| | | | - Clara Sanchez-Rodriguez
- Department of Biology and Zürich-Basel Plant Science CenterZürichSwitzerland
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA/CSIC)Pozuelo de AlarcónSpain
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Huerta AI, Sancho-Andrés G, Montesinos JC, Silva-Navas J, Bassard S, Pau-Roblot C, Kesten C, Schlechter R, Dora S, Ayupov T, Pelloux J, Santiago J, Sánchez-Rodríguez C. The WAK-like protein RFO1 acts as a sensor of the pectin methylation status in Arabidopsis cell walls to modulate root growth and defense. Mol Plant 2023; 16:865-881. [PMID: 37002606 PMCID: PMC10168605 DOI: 10.1016/j.molp.2023.03.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 12/20/2022] [Accepted: 03/28/2023] [Indexed: 05/04/2023]
Abstract
Most organisms adjust their development according to the environmental conditions. For the majority, this implies the sensing of alterations to cell walls caused by different cues. Despite the relevance of this process, few molecular players involved in cell wall sensing are known and characterized. Here, we show that the wall-associated kinase-like protein RESISTANCE TO FUSARIUM OXYSPORUM 1 (RFO1) is required for plant growth and early defense against Fusarium oxysporum and functions by sensing changes in the pectin methylation levels in the cell wall. The RFO1 dwell time at the plasma membrane is affected by the pectin methylation status at the cell wall, regulating MITOGEN-ACTIVATED PROTEIN KINASE and gene expression. We show that the extracellular domain of RFO1 binds de-methylated pectin in vitro, whose distribution in the cell wall is altered during F. oxysporum infection. Further analyses also indicate that RFO1 is required for the BR-dependent plant growth alteration in response to inhibition of pectin de-methyl-esterase activity at the cell wall. Collectively, our work demonstrates that RFO1 is a sensor of the pectin methylation status that plays a unique dual role in plant growth and defense against vascular pathogens.
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Affiliation(s)
- Apolonio I Huerta
- ETH Zurich, Institute of Molecular Plant Biology (D-BIOL), Zurich, Switzerland
| | | | | | - Javier Silva-Navas
- University of Lausanne, Department of Plant Molecular Biology, Lausanne, Switzerland
| | - Solène Bassard
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Corinne Pau-Roblot
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Christopher Kesten
- ETH Zurich, Institute of Molecular Plant Biology (D-BIOL), Zurich, Switzerland
| | - Rudolf Schlechter
- ETH Zurich, Institute of Molecular Plant Biology (D-BIOL), Zurich, Switzerland
| | - Susanne Dora
- ETH Zurich, Institute of Molecular Plant Biology (D-BIOL), Zurich, Switzerland
| | - Temurkhan Ayupov
- ETH Zurich, Institute of Molecular Plant Biology (D-BIOL), Zurich, Switzerland
| | - Jérôme Pelloux
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Julia Santiago
- University of Lausanne, Department of Plant Molecular Biology, Lausanne, Switzerland
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Kesariya M, Roy M, Dinani O, Dora S, Roy S, Prusty S. Effects of in ovo Administration of Zinc Oxide Nanoparticles and Vitamin C on Hatchability Performance and Redox Status in Day Old Kadaknath Hatchlings. INDIAN J ANIM RES 2023. [DOI: 10.18805/ijar.b-5050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Background: In poultry industry, hatcheries play a vital role in connecting the poultry production chain and are expected in the productive performance, with an impact on company profits. The use of in ovo feeding support poultry embryonic development and offers the production efficiency and welfare of commercial poultry. Methods: This study investigated the impact of in ovo administration of normal saline, Zinc oxide nanoparticles and Vitamin C on hatchability, chick growth and redox status in Kadaknath hatchlings. Zinc oxide nanostructures were synthesized by chemical method and characterized for size determination. A total of 150 fertile eggs of the Kadaknath poultry breed were divided into five groups (T0 to T4) and treated with in ovo administration of 200 μl each of normal saline, zinc oxide nanoparticles (5 and 10 ppm) and Vitamin C respectively on the 18th day of incubation through air sac into amniotic fluid. Result: Rod shaped nanostructures ranging from 45 to 98 nm were synthesized and showed sharp peak positioned at 436.59 cm-1. Zinc nano composite 5 ppm and vitamin C administration had significantly (p less than 0.05) improved hatchability, hatch weight, chick weight and egg weight ratio and antioxidant status.
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Dora S, Terrett OM, Sánchez-Rodríguez C. Plant-microbe interactions in the apoplast: Communication at the plant cell wall. Plant Cell 2022; 34:1532-1550. [PMID: 35157079 PMCID: PMC9048882 DOI: 10.1093/plcell/koac040] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 01/29/2022] [Indexed: 05/20/2023]
Abstract
The apoplast is a continuous plant compartment that connects cells between tissues and organs and is one of the first sites of interaction between plants and microbes. The plant cell wall occupies most of the apoplast and is composed of polysaccharides and associated proteins and ions. This dynamic part of the cell constitutes an essential physical barrier and a source of nutrients for the microbe. At the same time, the plant cell wall serves important functions in the interkingdom detection, recognition, and response to other organisms. Thus, both plant and microbe modify the plant cell wall and its environment in versatile ways to benefit from the interaction. We discuss here crucial processes occurring at the plant cell wall during the contact and communication between microbe and plant. Finally, we argue that these local and dynamic changes need to be considered to fully understand plant-microbe interactions.
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Gámez-Arjona FM, Vitale S, Voxeur A, Dora S, Müller S, Sancho-Andrés G, Montesinos JC, Di Pietro A, Sánchez-Rodríguez C. Impairment of the cellulose degradation machinery enhances Fusarium oxysporum virulence but limits its reproductive fitness. Sci Adv 2022; 8:eabl9734. [PMID: 35442735 PMCID: PMC9020665 DOI: 10.1126/sciadv.abl9734] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Fungal pathogens grow in the apoplastic space, in constant contact with the plant cell wall (CW) that hinders microbe progression while representing a source of nutrients. Although numerous fungal CW modifying proteins have been identified, their role during host colonization remains underexplored. Here, we show that the root-infecting plant pathogen Fusarium oxysporum (Fo) does not require its complete arsenal of cellulases to infect the host plant. Quite the opposite: Fo mutants impaired in cellulose degradation become hypervirulent by enhancing the secretion of virulence factors. On the other hand, the reduction in cellulase activity had a severe negative effect on saprophytic growth and microconidia production during the final stages of the Fo infection cycle. These findings enhance our understanding of the function of plant CW degradation on the outcome of host-microbe interactions and reveal an unexpected role of cellulose degradation in a pathogen's reproductive success.
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Affiliation(s)
| | - Stefania Vitale
- Departamento de Genética, Campus de Excelencia Internacional Agroalimentario ceiA3, Universidad de Córdoba, 14014 Córdoba, Spain
| | - Aline Voxeur
- Institut Jean-Pierre Bourgin, INRA, Centre National pour la Recherche Scientifique, AgroParisTech, Université Paris-Saclay, RD10, 78026 Versailles Cedex, France
| | - Susanne Dora
- Department of Biology, ETH Zurich, 8092 Zurich, Switzerland
| | - Sascha Müller
- Department of Biology, ETH Zurich, 8092 Zurich, Switzerland
| | | | | | - Antonio Di Pietro
- Departamento de Genética, Campus de Excelencia Internacional Agroalimentario ceiA3, Universidad de Córdoba, 14014 Córdoba, Spain
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Menna A, Dora S, Sancho-Andrés G, Kashyap A, Meena MK, Sklodowski K, Gasperini D, Coll NS, Sánchez-Rodríguez C. A primary cell wall cellulose-dependent defense mechanism against vascular pathogens revealed by time-resolved dual transcriptomics. BMC Biol 2021; 19:161. [PMID: 34404410 PMCID: PMC8371875 DOI: 10.1186/s12915-021-01100-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 07/16/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Cell walls (CWs) are protein-rich polysaccharide matrices essential for plant growth and environmental acclimation. The CW constitutes the first physical barrier as well as a primary source of nutrients for microbes interacting with plants, such as the vascular pathogen Fusarium oxysporum (Fo). Fo colonizes roots, advancing through the plant primary CWs towards the vasculature, where it grows causing devastation in many crops. The pathogenicity of Fo and other vascular microbes relies on their capacity to reach and colonize the xylem. However, little is known about the root-microbe interaction before the pathogen reaches the vasculature and the role of the plant CW during this process. RESULTS Using the pathosystem Arabidopsis-Fo5176, we show dynamic transcriptional changes in both fungus and root during their interaction. One of the earliest plant responses to Fo5176 was the downregulation of primary CW synthesis genes. We observed enhanced resistance to Fo5176 in Arabidopsis mutants impaired in primary CW cellulose synthesis. We confirmed that Arabidopsis roots deposit lignin in response to Fo5176 infection, but we show that lignin-deficient mutants were as susceptible as wildtype plants to Fo5176. Genetic impairment of jasmonic acid biosynthesis and signaling did not alter Arabidopsis response to Fo5176, whereas impairment of ethylene signaling did increase vasculature colonization by Fo5176. Abolishing ethylene signaling attenuated the observed resistance while maintaining the dwarfism observed in primary CW cellulose-deficient mutants. CONCLUSIONS Our study provides significant insights on the dynamic root-vascular pathogen interaction at the transcriptome level and the vital role of primary CW cellulose during defense response to these pathogens. These findings represent an essential resource for the generation of plant resistance to Fo that can be transferred to other vascular pathosystems.
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Affiliation(s)
- Alexandra Menna
- Department of Biology, ETH Zürich, 8092, Zürich, Switzerland
| | - Susanne Dora
- Department of Biology, ETH Zürich, 8092, Zürich, Switzerland
| | | | - Anurag Kashyap
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, 08193, Barcelona, Spain
| | - Mukesh Kumar Meena
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, 06120, Halle (Saale), Germany
| | | | - Debora Gasperini
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, 06120, Halle (Saale), Germany
| | - Nuria S Coll
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, 08193, Barcelona, Spain
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Kesten C, Gámez-Arjona FM, Menna A, Scholl S, Dora S, Huerta AI, Huang HY, Tintor N, Kinoshita T, Rep M, Krebs M, Schumacher K, Sánchez-Rodríguez C. Pathogen-induced pH changes regulate the growth-defense balance in plants. EMBO J 2019; 38:e101822. [PMID: 31736111 PMCID: PMC6912046 DOI: 10.15252/embj.2019101822] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 10/11/2019] [Accepted: 10/17/2019] [Indexed: 01/06/2023] Open
Abstract
Environmental adaptation of organisms relies on fast perception and response to external signals, which lead to developmental changes. Plant cell growth is strongly dependent on cell wall remodeling. However, little is known about cell wall‐related sensing of biotic stimuli and the downstream mechanisms that coordinate growth and defense responses. We generated genetically encoded pH sensors to determine absolute pH changes across the plasma membrane in response to biotic stress. A rapid apoplastic acidification by phosphorylation‐based proton pump activation in response to the fungus Fusarium oxysporum immediately reduced cellulose synthesis and cell growth and, furthermore, had a direct influence on the pathogenicity of the fungus. In addition, pH seems to influence cellulose structure. All these effects were dependent on the COMPANION OF CELLULOSE SYNTHASE proteins that are thus at the nexus of plant growth and defense. Hence, our discoveries show a remarkable connection between plant biomass production, immunity, and pH control, and advance our ability to investigate the plant growth‐defense balance.
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Affiliation(s)
| | | | | | - Stefan Scholl
- Centre for Organismal Studies, Cell Biology, Heidelberg University, Heidelberg, Germany
| | - Susanne Dora
- Department of Biology, ETH Zurich, Zurich, Switzerland
| | | | | | - Nico Tintor
- Department of Phytopathology, University of Amsterdam, Amsterdam, The Netherlands
| | - Toshinori Kinoshita
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya, Japan.,Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa, Nagoya, Japan
| | - Martijn Rep
- Department of Phytopathology, University of Amsterdam, Amsterdam, The Netherlands
| | - Melanie Krebs
- Centre for Organismal Studies, Cell Biology, Heidelberg University, Heidelberg, Germany
| | - Karin Schumacher
- Centre for Organismal Studies, Cell Biology, Heidelberg University, Heidelberg, Germany
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Amale A, Dora S, Gautam N, Panda R. Ventricular tachycardia in viral myocarditis managed by catheter ablation: A rare case report. Indian Heart J 2015. [DOI: 10.1016/j.ihj.2015.10.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Amale A, Dora S, Gautam N. Incidence of left coronary vessel dominance in patients of acute coronary syndrome: An institutional based coronary arteriographic study. Indian Heart J 2015. [DOI: 10.1016/j.ihj.2015.10.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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10
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Agarwal N, Dora S, Kriplani A, Garg P, Vivekanandhan S, Kulshrestha V. W166 RESPONSE OF THERAPY WITH VITAMIN B6, B12 AND FOLIC ACID ON HOMOCYSTEINE LEVEL AND PREGNANCY OUTCOME IN HYPERHOMOCYSTEINEMIA WITH UNEXPLAINED RECURRENT ABORTIONS. Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)61891-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Dora S, Schwarz C, Baack M, Graessmann A, Knippers R. Analysis of a large-T-antigen variant expressed in simian virus 40-transformed mouse cell line mKS-A. J Virol 1989; 63:2820-8. [PMID: 2542592 PMCID: PMC250788 DOI: 10.1128/jvi.63.6.2820-2828.1989] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Earlier reports had suggested that the large T antigen expressed in simian virus 40 (SV40)-transformed mKS-A cells may be replication defective. Our experiments support these earlier observations showing that the mKS-A T antigen has a reduced DNA-unwinding activity in vitro. To investigate the molecular basis for this defect, we have isolated from an mKS-A genomic library an EMBL-3 bacteriophage clone carrying in its insert a full-length SV40 DNA element that most likely encodes the expressed T-antigen variant. DNA sequencing revealed only one nonconservative amino acid exchange, Asp to Asn at residue 636. Surprisingly, when a plasmid clone carrying the mKS-A T-antigen-coding sequence was transfected into monkey cells, we found that it replicated quite efficiently, probably suggesting that a high nuclear concentration of the variant T-antigen form compensates for the partial biochemical defect. However, a high nuclear concentration of T antigen was also found in mKS-A T-antigen-transformed mouse cells, yet a fusion of these cells to permissive monkey cells failed to induce in situ replication and excision of integrated SV40 DNA. We discuss possible reasons for the different behavior of T antigen in monkey cells and in mouse cells and suggest that one possibility for the replication-negative phenotype in transformed cells may be related to the fact that T antigen forms a tight complex with the cellular p53 protein in mouse cells but not in monkey cells.
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Affiliation(s)
- S Dora
- Fakultät für Biologie, Universität Konstanz, Federal Republic of Germany
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Dora S, Schwarz C, Knippers R. Excision of integrated simian virus 40 DNA involving homologous recombination between viral DNA sequences. J Mol Biol 1989; 206:81-90. [PMID: 2539484 DOI: 10.1016/0022-2836(89)90525-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We have investigated the structure of simian virus 40 (SV40) DNA integrated into the genome of transformed mouse mKS-A cells. We have identified at least six independent integration units containing intact or truncated SV40 DNA sequences. One integration unit was isolated from a genomic mKS-A cell library and investigated by restriction enzyme analysis and partial nucleotide sequencing. This integration unit contains one apparently intact SV40 genome flanked on both sides by truncated versions of the SV40 genome. One of the flanking elements contains a large deletion in the SV40 "late" region and an abbreviated SV40 "early" region. This element was efficiently excised and mobilized after fusion of mKS-A to COS cells. The excision products invariably included the entire SV40 early region even though they were derived from an integrated element lacking this part of the SV40 genome. An analysis of this discrepancy led to the conclusion that the early region sequences were acquired by homologous recombination and, furthermore, that homologous excisional recombination was clearly preferred over non-homologous recombination.
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Affiliation(s)
- S Dora
- Fakultät für Biologie, Universität Konstanz, F.R.G
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