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Dunn MF, Becerra-Rivera VA. The Biosynthesis and Functions of Polyamines in the Interaction of Plant Growth-Promoting Rhizobacteria with Plants. PLANTS (BASEL, SWITZERLAND) 2023; 12:2671. [PMID: 37514285 PMCID: PMC10385936 DOI: 10.3390/plants12142671] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/12/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023]
Abstract
Plant growth-promoting rhizobacteria (PGPR) are members of the plant rhizomicrobiome that enhance plant growth and stress resistance by increasing nutrient availability to the plant, producing phytohormones or other secondary metabolites, stimulating plant defense responses against abiotic stresses and pathogens, or fixing nitrogen. The use of PGPR to increase crop yield with minimal environmental impact is a sustainable and readily applicable replacement for a portion of chemical fertilizer and pesticides required for the growth of high-yielding varieties. Increased plant health and productivity have long been gained by applying PGPR as commercial inoculants to crops, although with uneven results. The establishment of plant-PGPR relationships requires the exchange of chemical signals and nutrients between the partners, and polyamines (PAs) are an important class of compounds that act as physiological effectors and signal molecules in plant-microbe interactions. In this review, we focus on the role of PAs in interactions between PGPR and plants. We describe the basic ecology of PGPR and the production and function of PAs in them and the plants with which they interact. We examine the metabolism and the roles of PAs in PGPR and plants individually and during their interaction with one another. Lastly, we describe some directions for future research.
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Affiliation(s)
- Michael F Dunn
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico
| | - Víctor A Becerra-Rivera
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico
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Becerra-Rivera VA, Bergström E, Thomas-Oates J, Dunn MF. Polyamines are required for normal growth in Sinorhizobium meliloti. MICROBIOLOGY-SGM 2019; 164:600-613. [PMID: 29619919 DOI: 10.1099/mic.0.000615] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Polyamines (PAs) are ubiquitous polycations derived from basic l-amino acids whose physiological roles are still being defined. Their biosynthesis and functions in nitrogen-fixing rhizobia such as Sinorhizobium meliloti have not been extensively investigated. Thin layer chromatographic and mass spectrometric analyses showed that S. meliloti Rm8530 produces the PAs, putrescine (Put), spermidine (Spd) and homospermidine (HSpd), in their free forms and norspermidine (NSpd) in a form bound to macromolecules. The S. meliloti genome encodes two putative ornithine decarboxylases (ODC) for Put synthesis. Activity assays with the purified enzymes showed that ODC2 (SMc02983) decarboxylates both ornithine and lysine. ODC1 (SMa0680) decarboxylates only ornithine. An odc1 mutant was similar to the wild-type in ODC activity, PA production and growth. In comparison to the wild-type, an odc2 mutant had 45 % as much ODC activity and its growth rates were reduced by 42, 14 and 44 % under non-stress, salt stress or acid stress conditions, respectively. The odc2 mutant produced only trace levels of Put, Spd and HSpd. Wild-type phenotypes were restored when the mutant was grown in cultures supplemented with 1 mM Put or Spd or when the odc2 gene was introduced in trans. odc2 gene expression was increased under acid stress and reduced under salt stress and with exogenous Put or Spd. An odc1 odc2 double mutant had phenotypes similar to the odc2 mutant. These results indicate that ODC2 is the major enzyme for Put synthesis in S. meliloti and that PAs are required for normal growth in vitro.
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Affiliation(s)
- Victor A Becerra-Rivera
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Morelos 62210, Mexico
| | - Ed Bergström
- Centre of Excellence in Mass Spectrometry and Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Jane Thomas-Oates
- Centre of Excellence in Mass Spectrometry and Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Michael F Dunn
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Morelos 62210, Mexico
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Becerra-Rivera VA, Dunn MF. Polyamine biosynthesis and biological roles in rhizobia. FEMS Microbiol Lett 2019; 366:5476500. [DOI: 10.1093/femsle/fnz084] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 04/22/2019] [Indexed: 12/31/2022] Open
Abstract
ABSTRACTPolyamines are ubiquitous molecules containing two or more amino groups that fulfill varied and often essential physiological and regulatory roles in all organisms. In the symbiotic nitrogen-fixing bacteria known as rhizobia, putrescine and homospermidine are invariably produced while spermidine and norspermidine synthesis appears to be restricted to the alfalfa microsymbiont Sinorhizobium meliloti. Studies with rhizobial mutants deficient in the synthesis of one or more polyamines have shown that these compounds are important for growth, stress resistance, motility, exopolysaccharide production and biofilm formation. In this review, we describe these studies and examine how polyamines are synthesized and regulated in rhizobia.
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Affiliation(s)
- Victor A Becerra-Rivera
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas-Universidad Nacional Autónoma de México, Cuernavaca, Morelos, C.P. 62210, Mexico
| | - Michael F Dunn
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas-Universidad Nacional Autónoma de México, Cuernavaca, Morelos, C.P. 62210, Mexico
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López-Gómez M, Cobos-Porras L, Hidalgo-Castellanos J, Lluch C. Occurrence of polyamines in root nodules of Phaseolus vulgaris in symbiosis with Rhizobium tropici in response to salt stress. PHYTOCHEMISTRY 2014; 107:32-41. [PMID: 25220497 DOI: 10.1016/j.phytochem.2014.08.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Revised: 07/14/2014] [Accepted: 08/15/2014] [Indexed: 06/03/2023]
Abstract
Polyamines (PAs) are low molecular weight aliphatic compounds that have been shown to be an important part of plant responses to salt stress. For that reason in this work we have investigated the involvement of PAs in the response to salt stress in root nodules of Phaseolus vulgaris in symbiosis with Rhizobium tropici. The level and variety of PAs was higher in nodules, compared to leaves and roots, and in addition to the common PAs (putrescine, spermidine and spermine) we found homospermidine (Homspd) as the most abundant polyamine in nodules. UPLC-mass spectrometry analysis revealed the presence of 4-aminobutylcadaverine (4-ABcad), only described in nodules of Vigna angularis before. Indeed, the analysis of different nodular fractions revealed higher level of 4-ABcad, as well as Homspd, in bacteroids which indicate the production of these PAs by the bacteria in symbiosis. The genes involved in PAs biosynthesis in nodules displayed an induction under salt stress conditions which was not consistent with the decline of free PAs levels, probably due to the nitrogen limitations provoked by the nitrogenase activity depletion and/or the conversion of free PAs to theirs soluble conjugated forms, that seems to be one of the mechanisms involved in the regulation of PAs levels. On the contrary, cadaverine (Cad) and 4-ABcad concentrations augmented by the salinity, which might be due to their involvement in the response of bacteroids to hyper-osmotic conditions. In conclusion, the results shown in this work suggest the alteration of the bacteroidal metabolism towards the production of uncommon PAs such as 4-ABcad in the response to salt stress in legume root nodules.
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Affiliation(s)
- Miguel López-Gómez
- Departamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain.
| | - Libertad Cobos-Porras
- Departamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain
| | - Javier Hidalgo-Castellanos
- Departamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain
| | - Carmen Lluch
- Departamento de Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, Campus de Fuentenueva s/n, 18071 Granada, Spain
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Abstract
Rhizobia are bacteria in the α-proteobacterial genera Rhizobium, Sinorhizobium, Mesorhizobium, Azorhizobium and Bradyrhizobium that reduce (fix) atmospheric nitrogen in symbiotic association with a compatible host plant. In free-living and/or symbiotically associated rhizobia, amino acids may, in addition to their incorporation into proteins, serve as carbon, nitrogen or sulfur sources, signals of cellular nitrogen status and precursors of important metabolites. Depending on the rhizobia-host plant combination, microsymbiont amino acid metabolism (biosynthesis, transport and/or degradation) is often crucial to the establishment and maintenance of an effective nitrogen-fixing symbiosis and is intimately interconnected with the metabolism of the plant. This review summarizes past findings and current research directions in rhizobial amino acid metabolism and evaluates the genetic, biochemical and genome expression studies from which these are derived. Specific sections deal with the regulation of rhizobial amino acid metabolism, amino acid transport, and finally the symbiotic roles of individual amino acids in different plant-rhizobia combinations.
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Oshima T. Enigmas of biosyntheses of unusual polyamines in an extreme thermophile, Thermus thermophilus. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2010; 48:521-6. [PMID: 20417109 DOI: 10.1016/j.plaphy.2010.03.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 03/12/2010] [Accepted: 03/17/2010] [Indexed: 05/09/2023]
Abstract
Thermus thermophilus, an extreme thermophile belonging to Domain Bacteria, produces unusual polyamines in addition to standard polyamines. To understand mechanisms of changes of polyamine compositions of the thermophile upon change of growth conditions such as environmental temperature, metabolic pathways of polyamine biosyntheses of T. thermophilus have been studied and a new polyamine metabolic pathway was proposed. However, many enigmas remain to be solved in future studies. In this paper, biosyntheses of two non-standard polyamines, thermospermine and sym-homospermidine which are also produced and play important roles in plant cells, of the extreme thermophile are discussed in relation to the biosynthetic reactions in plants.
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Affiliation(s)
- Tairo Oshima
- Institute of Environmental Microbiology, Kyowa-kako Co. Ltd., 2-15-5 Tadao, Machida, Tokyo 194-0035, Japan.
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Doronina NV, Kaparullina EN, Trotsenko YA, Nörtemann B, Bucheli-Witschel M, Weilenmann HU, Egli T. Chelativorans multitrophicus gen. nov., sp. nov. and Chelativorans oligotrophicus sp. nov., aerobic EDTA-degrading bacteria. Int J Syst Evol Microbiol 2009; 60:1044-1051. [PMID: 19666787 DOI: 10.1099/ijs.0.003152-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Two previously isolated strains (DSM 9103(T) and LPM-4(T)) able to grow with EDTA (facultatively and obligately, respectively) as the source of carbon, nitrogen and energy were investigated in order to clarify their taxonomic positions. The strains were strictly aerobic, Gram-negative, asporogenous and non-motile rods that required biotin for growth. Reproduction occurred by binary fission. The strains were mesophilic and neutrophilic. Their major fatty acids were summed feature 7 (consisting of C(18 : 1)omega7c, C(18 : 1)omega9t and/or C(18 : 1)omega12t) and C(19 : 0) cyclo omega8c. The polyamine pattern revealed homospermidine as a major polyamine. Predominant polar lipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, phosphatidyldimethylethanolamine, phosphatidylmonomethylethanolamine and diphosphatidylglycerol. Mesorhizobium-specific ornithine lipid was absent. The predominant isoprenoid quinone was Q-10. The DNA G+C values were 60.8 and 63.1 mol% (T(m)) for strains LPM-4(T) and DSM 9103(T), respectively. The level of 16S rRNA gene sequence similarity between these EDTA-utilizers was 99.3 % while the DNA-DNA hybridization value was only 37 %. Both strains were phylogenetically related to members of the genera Aminobacter and Mesorhizobium (95-97 % sequence similarity). However, DNA-DNA hybridization values between the novel EDTA-degrading strains and Aminobacter aminovorans DSM 7048(T) and Mesorhizobium loti DSM 2626(T) were low (10-11 %). Based on their genomic and phenotypic properties, the new alphaproteobacterial strains are assigned to a novel genus, Chelativorans gen. nov., with the names Chelativorans multitrophicus sp. nov. (type strain DSM 9103(T)=VKM B-2394(T)) and Chelativorans oligotrophicus sp. nov. (type strain LPM-4(T)=VKM B-2395(T)=DSM 19276(T)).
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Affiliation(s)
- Nina V Doronina
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences and Pushchino State University, Pushchino, Moscow region, 142290, Russia
| | - Elena N Kaparullina
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences and Pushchino State University, Pushchino, Moscow region, 142290, Russia
| | - Yuri A Trotsenko
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences and Pushchino State University, Pushchino, Moscow region, 142290, Russia
| | - Bernd Nörtemann
- Institute of Biochemical Engineering, Technische Universität Braunschweig, 38106, Germany
| | - Margarete Bucheli-Witschel
- Department of Environmental Microbiology, EAWAG (Swiss Federal Institute of Aquatic Science and Technology), 8600 Dubendorf, Switzerland
| | - Hans-Ueli Weilenmann
- Department of Environmental Microbiology, EAWAG (Swiss Federal Institute of Aquatic Science and Technology), 8600 Dubendorf, Switzerland
| | - Thomas Egli
- Department of Environmental Microbiology, EAWAG (Swiss Federal Institute of Aquatic Science and Technology), 8600 Dubendorf, Switzerland
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Hamana K, Niitsu M, Samejima K. Further polyamine analyses of leguminous seeds and seedlings: the occurrence of novel linear, tertiary branched and quaternary branched pentaamines. ACTA ACUST UNITED AC 1996. [DOI: 10.1139/b96-213] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Polyamines of the seeds, seedlings, and some other tissues of 15 leguminous plants were analyzed by high performance liquid chromatography and gas chromatography. A novel tertiary branched pentaamine, N5-aminobutylhomospermine, was detected in the seed of Vicia villosa and another novel quaternary branched pentaamine, N4-bis(aminopropyl)spermidine, in the seed of Crotalaria spectabilis. Norspermine and a novel linear pentaamine, caldopentamine, were found in the seed of Gleditschia japonica. Other unusual polyamines such as norspermidine, homospermidine, thermospermine, N4-methylthermospermine, homospermine, and N-(3-aminopropyl)aminopropanol occur widely within leguminous seeds. Nine groups of plant response were found with respect to increases of diaminopropane, putrescine, cadaverine, and agmatine in the leguminous seedlings after germination. Keywords: leguminae, seed, seedling, polyamine.
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Fujihara S, Abe H, Yoneyama T. A new polyamine 4-aminobutylcadaverine. Occurrence and its biosynthesis in root nodules of adzuki bean plant Vigna angularis. J Biol Chem 1995; 270:9932-8. [PMID: 7730376 DOI: 10.1074/jbc.270.17.9932] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Root nodules of adzuki bean plant (Vigna angularis) contained a novel polyamine. The chemical structure of the new polyamine was determined to be NH2(CH2)5-NH(CH2)4NH2 (4-aminobutylcadaverine) based on gas chromatography-mass spectrometry. The occurrence of 4-aminobutylcadaverine was specific to the root nodules, since the unusual triamine was not detected in other organs of the adzuki bean plant. Bacteroids, isolated from root nodules, contained both sym-homospermidine and 4-aminobutylcadaverine, whereas the plant cytosol fraction contained large quantities of putrescine and cadaverine. A cell-free extract of bacteroids showed the ability to form this triamine from putrescine and cadaverine under the presence of NAD+ and K+. 1,3-Diaminopropane and NADH were inhibitory for the synthesis of both sym-homospermidine and 4-aminobutylcadaverine. [1,4-15N]Putrescine was incorporated not only into sym-homospermidine but also into 4-aminobutylcadaverine by the cell-free extract of bacteroids when incubated with excess cadaverine. Analysis of the fragment ion peaks in the 15N-enriched 4-aminobutylcadaverine indicated the transfer of a aminobutyl moiety to the amino terminus of cadaverine. These results suggest that, in adzuki bean, 4-aminobutylcadaverine is formed through the action of homospermidine synthase in nodule bacteroids under a cadaverine-rich environment.
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Affiliation(s)
- S Fujihara
- Plant Nutrition and Diagnosis Laboratory, National Agriculture Research Center, Tsukuba, Japan
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Auling G, Busse HJ, Egli T, El-Banna T, Stackebrandt E. Description of the Gram-Negative, Obligately Aerobic, Nitrilotriacetate (NTA)-Utilizing Bacteria as Chelatobacter heintzii, gen. nov., sp. nov., and Chelatococcus asaccharovorans, gen. nov., sp. nov. Syst Appl Microbiol 1993. [DOI: 10.1016/s0723-2020(11)80254-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Ponappa T, Lawson DR, Raymond Miller A. Inhibition of ornithine decarboxylase activity reduces polyamine levels and growth ofAgrobacterium tumefaciens. Curr Microbiol 1992. [DOI: 10.1007/bf01577331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
Aliphatic linear polyamines, from diamines to hexaamines, tertiary branched tetraamines, and quaternary branched pentaamines are widely distributed in eubacteria, archaebacteria, and cyanobacteria. Twenty-four linear types and four branched types are acid extractable from bacterial cells and can be chromatographically analyzed and identified. The varieties of polyamines are due to the combination of amino acid decarboxylase activities to form diamines, aminopropyl- and aminobutyl-transfer activities mediated by aminopropyltransferases or Schiff-base complex formation, and hydroxylation activity. The absence or presence of spermidine, norspermidine or homospermidine and the occurrence of 2-hydroxyputrescine and diaminopropane are related to grouping into the alpha, beta, gamma, and delta subclasses within Proteobacteria. Flavobacterium complex and green bacteria contain putrescine and homospermidine. Gram-negative thermophiles contain long linear and branched polyamines; however, their distribution profiles are species specific. Gram-positive eubacteria, which comprise Bacillus cluster, anaerobes, and actinomycetes, ubiquitously contain putrescine and spermidine, while the occurrence of spermine is limited to thermophiles. Archaebacteria are separated into polyamine-absent methanogens and halophiles, homospermidine-dominant methanogens, spermidine-dominant methanogens, and spermidine- and norspermidine-containing thermophiles. Cyanobacteria comprise two types; one group contains homospermidine and the other spermidine. The polyamine distribution pattern can serve as a chemotaxonomic marker in bacterial classification and is associated with bacterial systematics on the level of order, family, or genus.
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Affiliation(s)
- K Hamana
- College of Medical Care and Technology, Gunma University, Maebashi, Japan
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