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Xie G, Tong F, Xu M, Shu Y, Li Z. DT-13 inhibits the proliferation of pancreatic cancer by inducing apoptosis via AMPK-mTOR signaling. Biochem Biophys Res Commun 2024; 695:149451. [PMID: 38176173 DOI: 10.1016/j.bbrc.2023.149451] [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: 11/10/2023] [Revised: 12/23/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024]
Abstract
BACKGROUND/OBJECTIVE DT-13, the principal active component of Mysidium shortscapes from the Liliaceae family, has garnered substantial interest in cancer therapy owing to its potential anticancer properties. This study investigated the effects of DT-13 on the proliferation and apoptosis of human pancreatic cancer cell lines and aimed to elucidate the underlying mechanisms. METHODS PANC1 and CFPAC1 cells were exposed to DT-13 and their proliferation was assessed using RTCA and clone formation assays. Apoptotic protein expression was analyzed by western blotting, and apoptotic cells were identified by flow cytometry. RNA was extracted from DT-13 treated and untreated PANC1 cells for RNA sequencing. Differentially expressed genes were identified and subjected to GO bioprocess, KEGG pathway analysis, and western blotting. Finally, to evaluate tumor growth, CFPAC1 cells were subcutaneously injected into BALB/c nude mice. RESULTS DT-13 inhibited proliferation and induced apoptosis of PANC1 and CFPAC1 cells by activating the AMPK/mTOR pathway and suppressing p70 S6K. Moreover, DT-13 hindered the growth of CFPAC1 xenograft tumors in nude mice. CONCLUSIONS DT-13 effectively inhibited the growth of human pancreatic cancer cells.
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Affiliation(s)
- Gangyin Xie
- Department of Breast, Thyroid and Vascular Surgery, Chongqing University FuLing Hospital, Chongqing, People's Republic of China.
| | - Fuyun Tong
- Department of Breast, Thyroid and Vascular Surgery, Chongqing University FuLing Hospital, Chongqing, People's Republic of China.
| | - Meiling Xu
- Department of Breast, Thyroid and Vascular Surgery, Chongqing University FuLing Hospital, Chongqing, People's Republic of China.
| | - Yan Shu
- Department of Clinical Laboratory, Chongqing University FuLing Hospital, Chongqing, People's Republic of China.
| | - Ziwei Li
- Central Laboratory, Chongqing University FuLing Hospital, Chongqing, People's Republic of China.
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López-Bucio J, Ortiz-Castro R, Magaña-Dueñas V, García-Cárdenas E, Jiménez-Vázquez KR, Raya-González J, Pelagio-Flores R, Ibarra-Laclette E, Herrera-Estrella L. Pseudomonas aeruginosa LasI-dependent plant growth promotion requires the host nitrate transceptor AtNRT1.1/CHL1 and the nitrate reductases NIA1 and NIA2. PLANTA 2023; 258:80. [PMID: 37715847 DOI: 10.1007/s00425-023-04236-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 09/04/2023] [Indexed: 09/18/2023]
Abstract
MAIN CONCLUSION In P. aeruginosa, mutation of the gene encoding N-acyl-L-homoserine lactone synthase LasI drives defense and plant growth promotion, and this latter trait requires adequate nitrate nutrition. Cross-kingdom communication with bacteria is crucial for plant growth and productivity. Here, we show a strong induction of genes for nitrate uptake and assimilation in Arabidopsis seedlings co-cultivated with P. aeruginosa WT (PAO1) or ΔlasI mutants defective on the synthesis of the quorum-sensing signaling molecule N-(3-oxododecanoyl)-L-homoserine lactone. Along with differential induction of defense-related genes, the change from plant growth repression to growth promotion upon bacterial QS disruption, correlated with upregulation of the dual-affinity nitrate transceptor CHL1/AtNRT1/NPF6.3 and the nitrate reductases NIA1 and NIA2. CHL1-GUS was induced in Arabidopsis primary root tips after transfer onto P. aeruginosa ΔlasI streaks at low and high N availability, whereas this bacterium required high concentrations of nitrogen to potentiate root and shoot biomass production and to improve root branching. Arabidopsis chl1-5 and chl1-12 mutants and double mutants in NIA1 and NIA2 nitrate reductases showed compromised growth under low nitrogen availability and failed to mount an effective growth promotion and root branching response even at high NH4NO3. WT P. aeruginosa PAO1 and P. aeruginosa ΔlasI mutant promoted the accumulation of nitric oxide (NO) in roots of both the WT and nia1nia2 double mutants, whereas NO donors SNP or SNAP did not improve growth or root branching in nia1nia2 double mutants with or without bacterial cocultivation. Thus, inoculation of Arabidopsis roots with P. aeruginosa drives gene expression for improved nitrogen acquisition and this macronutrient is critical for the plant growth-promoting effects upon disruption of the LasI quorum-sensing system.
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Affiliation(s)
- José López-Bucio
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, 58030, Morelia, Michoacán, Mexico.
| | - Randy Ortiz-Castro
- Red de estudios moleculares avanzados, Instituto de Ecología A. C., Carretera Antigua a Coatepec 351, El Haya, 91070, Xalapa, Veracruz, Mexico
| | - Viridiana Magaña-Dueñas
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, 58030, Morelia, Michoacán, Mexico
| | - Elizabeth García-Cárdenas
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, 58030, Morelia, Michoacán, Mexico
| | - Kirán Rubí Jiménez-Vázquez
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, 58030, Morelia, Michoacán, Mexico
| | - Javier Raya-González
- Facultad de Químico Farmacobiología, Universidad Michoacana de San Nicolás de Hidalgo, Avenida Tzintzunzan 173, Col. Matamoros, 58240, Morelia, Michoacán, Mexico
| | - Ramón Pelagio-Flores
- Facultad de Químico Farmacobiología, Universidad Michoacana de San Nicolás de Hidalgo, Avenida Tzintzunzan 173, Col. Matamoros, 58240, Morelia, Michoacán, Mexico
| | - Enrique Ibarra-Laclette
- Red de estudios moleculares avanzados, Instituto de Ecología A. C., Carretera Antigua a Coatepec 351, El Haya, 91070, Xalapa, Veracruz, Mexico
| | - Luis Herrera-Estrella
- Centro de Investigación y de Estudios Avanzados del IPN, Unidad de Genómica Avanzada, Laboratorio Nacional de Genómica para la Biodiversidad, Campus Irapuato, Km. 9.6 Libramiento Norte Carretera Irapuato-León, 36821, Irapuato, Guanajuato, Mexico
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3
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Ravelo-Ortega G, Raya-González J, López-Bucio J. Compounds from rhizosphere microbes that promote plant growth. CURRENT OPINION IN PLANT BIOLOGY 2023; 73:102336. [PMID: 36716513 DOI: 10.1016/j.pbi.2023.102336] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/09/2022] [Accepted: 01/03/2023] [Indexed: 06/10/2023]
Abstract
The rhizosphere is the soil-plant interface colonized by bacterial and fungal species that exert growth-promoting and adaptive benefits. The plant-bacteria relationships rely upon the perception of volatile organic compounds (VOCs), canonical phytohormones such as auxins and cytokinins, and the bacterial quorum sensing-related N-acyl-L-homoserine lactones and cyclodipeptides. On the other hand, plant-beneficial Trichoderma fungi emit highly active VOCs, including 6-pentyl-2H-pyran-2-one (6-PP), and β-caryophyllene, which contribute to plant morphogenesis, but also into how these microbes spread over roots or live as endophytes. Here, we describe recent findings concerning how compounds from beneficial bacteria and fungi affect root architecture and advance into the signaling events that mediate microbial recognition.
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Affiliation(s)
- Gustavo Ravelo-Ortega
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo. Edificio B3, Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, Mexico
| | - Javier Raya-González
- Facultad de Químico Farmacobiología, Universidad Michoacana de San Nicolás de Hidalgo, C. P. 58240, Morelia, Michoacán, Mexico
| | - José López-Bucio
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo. Edificio B3, Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, Mexico.
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4
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García-Cárdenas E, Ortiz-Castro R, Ruiz-Herrera LF, Valencia-Cantero E, López-Bucio J. Micrococcus luteus LS570 promotes root branching in Arabidopsis via decreasing apical dominance of the primary root and an enhanced auxin response. PROTOPLASMA 2022; 259:1139-1155. [PMID: 34792622 DOI: 10.1007/s00709-021-01724-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 11/11/2021] [Indexed: 05/25/2023]
Abstract
The interaction of plant roots with bacteria is influenced by chemical signaling, where auxins play a critical role. Auxins exert positive or negative influences on the plant traits responsible of root architecture configuration such as root elongation and branching and root hair formation, but how bacteria that modify the plant auxin response promote or repress growth, as well as root structure, remains unknown. Here, we isolated and identified via molecular and electronic microscopy analysis a Micrococcus luteus LS570 strain as a plant growth promoter that halts primary root elongation in Arabidopsis seedlings and strongly triggers root branching and absorptive potential. The root biomass was exacerbated following root contact with bacterial streaks, and this correlated with inducible expression of auxin-related gene markers DR5:GUS and DR5:GFP. Cellular and structural analyses of root growth zones indicated that the bacterium inhibits both cell division and elongation within primary root tips, disrupting apical dominance, and as a consequence differentiation programs at the pericycle and epidermis, respectively, triggers the formation of longer and denser lateral roots and root hairs. Using Arabidopsis mutants defective on auxin signaling elements, our study uncovers a critical role of the auxin response factors ARF7 and ARF19, and canonical auxin receptors in mediating both the primary root and lateral root response to M. luteus LS570. Our report provides very basic information into how actinobacteria interact with plants and direct evidence that the bacterial genus Micrococcus influences the cellular and physiological plant programs ultimately responsible of biomass partitioning.
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Affiliation(s)
- Elizabeth García-Cárdenas
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México
| | - Randy Ortiz-Castro
- Catedrático CONACYT-Instituto de Ecología A.C. Red de Estudios Moleculares Avanzados, Clúster BioMimic®, Instituto de Ecología A.C. Carretera Antigua a Coatepec, 351, El Haya, Xalapa, Veracruz, 91073, México
| | - León Francisco Ruiz-Herrera
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México
| | - Eduardo Valencia-Cantero
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México
| | - José López-Bucio
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio B3, Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México.
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5
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Solis-Ortiz CS, Gonzalez-Bernal J, Kido-Díaz HA, Peña-Uribe CA, López-Bucio JS, López-Bucio J, Guevara-García ÁA, García-Pineda E, Villegas J, Campos-García J, Reyes de La Cruz H. Bacterial cyclodipeptides elicit Arabidopsis thaliana immune responses reducing the pathogenic effects of Pseudomonas aeruginosa PAO1 strains on plant development. JOURNAL OF PLANT PHYSIOLOGY 2022; 275:153738. [PMID: 35690030 DOI: 10.1016/j.jplph.2022.153738] [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: 12/07/2021] [Revised: 05/27/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
Plants being sessile organisms are exposed to various biotic and abiotic factors, thus causing stress. The Pseudomonas aeruginosa bacterium is an opportunistic pathogen for animals, insects, and plants. Direct exposure of Arabidopsis thaliana to the P. aeruginosa PAO1 strain induces plant death by producing a wide variety of virulence factors, which are regulated mainly by quorum sensing systems. Besides virulence factors, P. aeruginosa PAO1 also produces cyclodipeptides (CDPs), which possess auxin-like activity and promote plant growth through activation of the target of the rapamycin (AtTOR) pathway. On the other hand, plant defense mechanisms are regulated through the production of phytohormones, such as salicylic acid (SA) and jasmonic acid (JA), which are induced in response to pathogen-associated molecular patterns (PAMPs), activating defense genes associated with SA and JA such as PATHOGENESIS-RELATED-1 (PR-1) and LIPOXYGENASE2 (LOX2), respectively. PR proteins are suggested to play critical roles in coordinating the Systemic Acquired Resistance (SAR). In contrast, LOX proteins (LOX2, LOX3, and LOX4) have been associated with the production of JA by producing its precursors, oxylipins. The activation of defense mechanisms involves signaling cascades such as Mitogen-Activated Protein Kinases (MAPKs) or the TOR pathway as a switch for re-directing energy towards defense or growth. In this work, we challenged A. thaliana (wild type, mpk6 or mpk3 mutants, and overexpressing TOR) seedlings with P. aeruginosa PAO1 strains to identify the role of bacterial CDPs in the plant immune response. Results showed that the pre-exposure of these Arabidopsis seedlings to CDPs significantly reduced plant infection of the pathogenic P. aeruginosa PAO1 strains, indicating that plants that over-express AtTOR or lack MPK3/MPK6 protein-kinases are more susceptible to the pathogenic effects. In addition, CDPs induced the GUS activity only in the LOX2::GUS plants, indicative of JA-signaling activation. Our findings indicate that the CDPs are molecules that trigger SA-independent and JA-dependent defense responses in A. thaliana; hence, bacterial CDPs may be considered elicitors of the Arabidopsis immune response to pathogens.
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Affiliation(s)
- Cristhian Said Solis-Ortiz
- Laboratorio de Biotecnología Molecular de Plantas, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | - Javier Gonzalez-Bernal
- Laboratorio de Biotecnología Molecular de Plantas, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | - Héctor Antonio Kido-Díaz
- Laboratorio de Biotecnología Molecular de Plantas, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | - Cesar Artuto Peña-Uribe
- Laboratorio de Biotecnología Molecular de Plantas, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | - Jesús Salvador López-Bucio
- Laboratorio de Biotecnología Molecular de Plantas, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | - José López-Bucio
- Laboratorio de Biología del Desarrollo Vegetal, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | | | - Ernesto García-Pineda
- Laboratorio de Bioquímica y Biología Molecular de Plantas, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | - Javier Villegas
- Laboratorio de Interacción Suelo Planta Microorganismo, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico
| | - Jesús Campos-García
- Laboratorio de Biotecnología Microbiana, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico.
| | - Homero Reyes de La Cruz
- Laboratorio de Biotecnología Molecular de Plantas, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, 58030, Morelia, Michoacán, Mexico.
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Calderan-Rodrigues MJ, Luzarowski M, Monte-Bello CC, Minen RI, Zühlke BM, Nikoloski Z, Skirycz A, Caldana C. Proteogenic Dipeptides Are Characterized by Diel Fluctuations and Target of Rapamycin Complex-Signaling Dependency in the Model Plant Arabidopsis thaliana. FRONTIERS IN PLANT SCIENCE 2021; 12:758933. [PMID: 35003157 PMCID: PMC8727597 DOI: 10.3389/fpls.2021.758933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 11/11/2021] [Indexed: 06/14/2023]
Abstract
As autotrophic organisms, plants capture light energy to convert carbon dioxide into ATP, nicotinamide adenine dinucleotide phosphate (NADPH), and sugars, which are essential for the biosynthesis of building blocks, storage, and growth. At night, metabolism and growth can be sustained by mobilizing carbon (C) reserves. In response to changing environmental conditions, such as light-dark cycles, the small-molecule regulation of enzymatic activities is critical for reprogramming cellular metabolism. We have recently demonstrated that proteogenic dipeptides, protein degradation products, act as metabolic switches at the interface of proteostasis and central metabolism in both plants and yeast. Dipeptides accumulate in response to the environmental changes and act via direct binding and regulation of critical enzymatic activities, enabling C flux distribution. Here, we provide evidence pointing to the involvement of dipeptides in the metabolic rewiring characteristics for the day-night cycle in plants. Specifically, we measured the abundance of 13 amino acids and 179 dipeptides over short- (SD) and long-day (LD) diel cycles, each with different light intensities. Of the measured dipeptides, 38 and eight were characterized by day-night oscillation in SD and LD, respectively, reaching maximum accumulation at the end of the day and then gradually falling in the night. Not only the number of dipeptides, but also the amplitude of the oscillation was higher in SD compared with LD conditions. Notably, rhythmic dipeptides were enriched in the glucogenic amino acids that can be converted into glucose. Considering the known role of Target of Rapamycin (TOR) signaling in regulating both autophagy and metabolism, we subsequently investigated whether diurnal fluctuations of dipeptides levels are dependent on the TOR Complex (TORC). The Raptor1b mutant (raptor1b), known for the substantial reduction of TOR kinase activity, was characterized by the augmented accumulation of dipeptides, which is especially pronounced under LD conditions. We were particularly intrigued by the group of 16 dipeptides, which, based on their oscillation under SD conditions and accumulation in raptor1b, can be associated with limited C availability or photoperiod. By mining existing protein-metabolite interaction data, we delineated putative protein interactors for a representative dipeptide Pro-Gln. The obtained list included enzymes of C and amino acid metabolism, which are also linked to the TORC-mediated metabolic network. Based on the obtained results, we speculate that the diurnal accumulation of dipeptides contributes to its metabolic adaptation in response to changes in C availability. We hypothesize that dipeptides would act as alternative respiratory substrates and by directly modulating the activity of the focal enzymes.
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Affiliation(s)
| | - Marcin Luzarowski
- Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
| | | | | | - Boris M. Zühlke
- Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
- Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Zoran Nikoloski
- Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
- Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Aleksandra Skirycz
- Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
- Boyce Thompson Institute, Ithaca, NY, United States
| | - Camila Caldana
- Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
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Ambreetha S, Marimuthu P, Mathee K, Balachandar D. Rhizospheric and endophytic Pseudomonas aeruginosa in edible vegetable plants share molecular and metabolic traits with clinical isolates. J Appl Microbiol 2021; 132:3226-3248. [PMID: 34608722 DOI: 10.1111/jam.15317] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/28/2021] [Accepted: 09/21/2021] [Indexed: 01/02/2023]
Abstract
AIM Pseudomonas aeruginosa, a leading opportunistic pathogen causing hospital-acquired infections, is also commonly found in agricultural settings. However, there are minimal attempts to examine the molecular and functional attributes shared by agricultural and clinical strains of P. aeruginosa. This study investigates the presence of P. aeruginosa in edible vegetable plants (including salad vegetables) and analyses the evolutionary and metabolic relatedness of the agricultural and clinical strains. METHODS AND RESULTS Eighteen rhizospheric and endophytic P. aeruginosa strains were isolated from cucumber, tomato, eggplant, and chili directly from the farms. The identity of these strains was confirmed using biochemical and molecular assays. The genetic and metabolic traits of these plant-associated P. aeruginosa isolates were compared with clinical strains. DNA fingerprinting and 16S rDNA-based phylogenetic analyses revealed that the plant- and human-associated strains are evolutionarily related. Both agricultural and clinical isolates possessed plant-beneficial properties, including mineral solubilization to release essential nutrients (phosphorous, potassium, and zinc), ammonification, and the ability to release extracellular pyocyanin, siderophore, and indole-3 acetic acid. CONCLUSION These findings suggest that rhizospheric and endophytic P. aeruginosa strains are genetically and functionally analogous to the clinical isolates. In addition, the genotypic and phenotypic traits do not correlate with plant sources or ecosystems. SIGNIFICANCE AND IMPACT OF THE STUDY This study reconfirms that edible plants are the potential source for human and animal transmission of P. aeruginosa.
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Affiliation(s)
- Sakthivel Ambreetha
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.,Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida, USA
| | - Ponnusamy Marimuthu
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - Kalai Mathee
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida, USA.,Biomolecular Sciences Institute, Florida International University, Miami, Florida, USA
| | - Dananjeyan Balachandar
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
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