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Mena Navarro MP, Espinosa Bernal MA, Martinez-Avila AE, Aponte Pineda LS, Montes Flores LA, Chan Ku CD, Hernández Gómez YF, González Espinosa J, Pacheco Aguilar JR, Ramos López MÁ, Arvizu Gómez JL, Saldaña Gutierrez C, Rodríguez Morales JA, Amaro Reyes A, Hernández Flores JL, Campos Guillén J. Role of Volatile Organic Compounds Produced by Kosakonia cowanii Cp1 during Competitive Colonization Interaction against Pectobacterium aroidearum SM2. Microorganisms 2024; 12:930. [PMID: 38792761 PMCID: PMC11123878 DOI: 10.3390/microorganisms12050930] [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: 04/16/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024] Open
Abstract
The competitive colonization of bacteria on similar ecological niches has a significant impact during their establishment. The synthesis speeds of different chemical classes of molecules during early competitive colonization can reduce the number of competitors through metabolic effects. In this work, we demonstrate for the first time that Kosakonia cowanii Cp1 previously isolated from the seeds of Capsicum pubescens R. P. produced volatile organic compounds (VOCs) during competitive colonization against Pectobacterium aroidearum SM2, affecting soft rot symptoms in serrano chili (Capsicum annuum L.). The pathogen P. aroidearum SM2 was isolated from the fruits of C. annuum var. Serrano with soft rot symptoms. The genome of the SM2 strain carries a 5,037,920 bp chromosome with 51.46% G + C content and 4925 predicted protein-coding genes. It presents 12 genes encoding plant-cell-wall-degrading enzymes (PCDEWs), 139 genes involved in five types of secretion systems, and 16 genes related to invasion motility. Pathogenic essays showed soft rot symptoms in the fruits of C. annuum L., Solanum lycopersicum, and Physalis philadelphica and the tubers of Solanum tuberosum. During the growth phases of K. cowanii Cp1, a mix of VOCs was identified by means of HS-SPME-GC-MS. Of these compounds, 2,5-dimethyl-pyrazine showed bactericidal effects and synergy with acetoin during the competitive colonization of K. cowanii Cp1 to completely reduce soft rot symptoms. This work provides novel evidence grounding a better understanding of bacterial interactions during competitive colonization on plant tissue, where VOC synthesis is essential and has a high potential capacity to control pathogenic microorganisms in agricultural systems.
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Affiliation(s)
- Mayra Paola Mena Navarro
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Merle Ariadna Espinosa Bernal
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Adriana Eunice Martinez-Avila
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Leonela Sofia Aponte Pineda
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Luis Alberto Montes Flores
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Carlos Daniel Chan Ku
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Yoali Fernanda Hernández Gómez
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Jacqueline González Espinosa
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Juan Ramiro Pacheco Aguilar
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Miguel Ángel Ramos López
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | - Jackeline Lizzeta Arvizu Gómez
- Secretaría de Investigación y Posgrado, Centro Nayarita de Innovación y Transferencia de Tecnología (CENITT), Universidad Autónoma de Nayarit, Tepic 63173, Mexico;
| | - Carlos Saldaña Gutierrez
- Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Av. De las Ciencias s/n, Querétaro 76220, Mexico;
| | | | - Aldo Amaro Reyes
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
| | | | - Juan Campos Guillén
- Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Querétaro 76010, Qro, Mexico; (M.P.M.N.); (M.A.E.B.); (A.E.M.-A.); (L.S.A.P.); (L.A.M.F.); (C.D.C.K.); (Y.F.H.G.); (J.G.E.); (J.R.P.A.); (M.Á.R.L.); (A.A.R.)
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Wang Q, Zhang L, Zhang Y, Chen H, Song J, Lyu M, Chen R, Zhang L. Comparative genomic analyses reveal genetic characteristics and pathogenic factors of Bacillus pumilus HM-7. Front Microbiol 2022; 13:1008648. [PMID: 36419435 PMCID: PMC9677121 DOI: 10.3389/fmicb.2022.1008648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 10/10/2022] [Indexed: 11/09/2022] Open
Abstract
Bacillus pumilus plays an important role in industrial application and biocontrol activities, as well as causing humans and plants disease, leading to economic losses and biosafety concerns. However, until now, the pathogenesis and underlying mechanisms of B. pumilus strains remain unclear. In our previous study, one representative isolate of B. pumilus named HM-7 has been recovered and proved to be the causal agent of fruit rot on muskmelon (Cucumis melo). Herein, we present a complete and annotated genome sequence of HM-7 that contains 4,111 coding genes in a single 3,951,520 bp chromosome with 41.04% GC content. A total of 3,481 genes were functionally annotated with the GO, COG, and KEGG databases. Pan-core genome analysis of HM-7 and 20 representative B. pumilus strains, as well as six closely related Bacillus species, discovered 740 core genes and 15,205 genes in the pan-genome of 21 B. pumilus strains, in which 485 specific-genes were identified in HM-7 genome. The average nucleotide identity (ANI), and whole-genome-based phylogenetic analysis revealed that HM-7 was most closely related to the C4, GR8, MTCC-B6033, TUAT1 and SH-B11 strains, but evolutionarily distinct from other strains in B. pumilus. Collinearity analysis of the six similar B. pumilus strains showed high levels of synteny but also several divergent regions for each strains. In the HM-7 genome, we identified 484 genes in the carbohydrate-active enzymes (CAZyme) class, 650 genes encoding virulence factors, and 1,115 genes associated with pathogen-host interactions. Moreover, three HM-7-specific regions were determined, which contained 424 protein-coding genes. Further investigation of these genes showed that 19 pathogenesis-related genes were mainly associated with flagella formation and secretion of toxic products, which might be involved in the virulence of strain HM-7. Our results provided detailed genomic and taxonomic information for the HM-7 strain, and discovered its potential pathogenic mechanism, which lay a foundation for developing effective prevention and control strategies against this pathogen in the future.
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Affiliation(s)
- Qian Wang
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, College of Plant Protection, Anhui Agricultural University, Hefei, China
- Institute of Crop Germplasm and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Lei Zhang
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, College of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Yiju Zhang
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, College of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Huamin Chen
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jianghua Song
- College of Horticulture, Anhui Agricultural University, Hefei, China
| | - Mingjie Lyu
- Institute of Crop Germplasm and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Rui Chen
- Institute of Crop Germplasm and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Lixin Zhang
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, College of Plant Protection, Anhui Agricultural University, Hefei, China
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- *Correspondence: Lixin Zhang,
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Whole-Genome Sequencing of a Potential Ester-Synthesizing Bacterium Isolated from Fermented Golden Pomfret and Identification of Its Lipase Encoding Genes. Foods 2022; 11:foods11131954. [PMID: 35804769 PMCID: PMC9266206 DOI: 10.3390/foods11131954] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/20/2022] [Accepted: 06/25/2022] [Indexed: 12/17/2022] Open
Abstract
Microbial ester synthases are regarded as valuable catalysts in the food industry. Here, one strain of Acinetobacter venetianus with ester synthase-production capacity, SCSMX-3, was isolated from traditional fermented golden pomfret. It exhibited good growth in mesophilic, low salt, and slightly alkaline environments. The ester synthase produced by SCSMX-3 displayed maximum activity at pH 8.0 and 35 °C. Genome sequencing revealed that the strain contains one circular chromosome of 336313 bp and two circular plasmids (plasmid A-14424 bp and plasmid B-11249 bp). Six CRISPR structures enhance the genomic stability of SCSMX-3 and provide the opportunity to create new functional strains. Gene function analysis indicated that SCSMX-3 produces the necessary enzymes for survival under different conditions and for flavor substance synthesis. Furthermore, 49 genes encoding enzymes associated with lipid metabolism, including three triacylglycerol lipases and two esterases, were identified through the NCBI Non-Redundant Protein Database. The lipase encoded by gene0302 belongs to the GX group and the abH15.02 (Burkholderia cepacia lipase) homolog of the abH15 superfamily. Our results shed light on the genomic diversity of and lipid metabolism in A. venetianus isolated from fermented golden pomfret, laying a foundation for the exploration of new ester synthases to improve the flavor of fermented fish products.
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Waheed H, Mehmood CT, Li Y, Yang Y, Xiao Y. Genetic insights unraveling quorum quenching potential of indigenous isolates from an anaerobic membrane bioreactor. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 811:152349. [PMID: 34914989 DOI: 10.1016/j.scitotenv.2021.152349] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/08/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Despite a few reports of quorum quenching (QQ) in anaerobic membrane bioreactors (AnMBRs), the sensing, regulation and degradation mechanism for quorum sensing (QS) signals by indigenous QQ isolates have been barely studied. This study employed isolation and screening of indigenous QQ strains from anaerobic sludge for acyl-homoserine lactones (AHLs) degradation and membrane biofouling control. High-quality whole genome sequences of Micrococcus luteus anQ-m1, Bacillus pacificus anQ-h4, and Lysinibacillus capsici anQ-h6 were obtained, with a genome size of 2.5, 5.6, and 4.7 Mbp, respectively. Amidase-encoding amiE was the only QQ gene in anQ-m1, while anQ-h6 carries both amiE and lactonase-encoding aiiB genes. Genes responsible for QS autoinducer synthesis were not identified in anQ-m1 and anQ-h6, suggesting low potential of biofilm promotion via QS. Despite a peptidic QS system responsible for biofilm formation, anQ-h4 bears the most comprehensive QQ system, including amiE-amidase, aiiA-lactonase, CYP102A5-cytochrome oxidoreductase, and lsrK-autoinducer-2 kinase. This study elucidates QS and QQ mechanisms of potential anaerobes and provides fundamentals for designing QQ consortia to effectively control biofouling in AnMBRs.
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Affiliation(s)
- Hira Waheed
- Department of Civil and Environmental Engineering, Shantou University, Shantou, Guangdong 515063, China
| | - Ch Tahir Mehmood
- Department of Civil and Environmental Engineering, Shantou University, Shantou, Guangdong 515063, China; Department of Chemical Engineering, Guangdong Technion - Israel Institute of Technology, Shantou, Guangdong 515063, China
| | - Yiwei Li
- Department of Civil and Environmental Engineering, Shantou University, Shantou, Guangdong 515063, China
| | - Yongyu Yang
- Department of Civil and Environmental Engineering, Shantou University, Shantou, Guangdong 515063, China
| | - Yeyuan Xiao
- Department of Civil and Environmental Engineering, Shantou University, Shantou, Guangdong 515063, China.
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Jee S, Kang IJ, Bak G, Kang S, Lee J, Heu S, Hwang I. Comparative Genomic Analysis of Pathogenic Factors of Pectobacterium Species Isolated in South Korea Using Whole-Genome Sequencing. THE PLANT PATHOLOGY JOURNAL 2022; 38:12-24. [PMID: 35144358 PMCID: PMC8831359 DOI: 10.5423/ppj.ft.09.2021.0147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/15/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
In this study, we conducted whole-genome sequencing with six species of Pectobacterium composed of seven strains, JR1.1, BP201601.1, JK2.1, HNP201719, MYP201603, PZ1, and HC, for the analysis of pathogenic factors associated with the genome of Pectobacterium. The genome sizes ranged from 4,724,337 bp to 5,208,618 bp, with the GC content ranging from 50.4% to 52.3%. The average nucleotide identity was 98% among the two Pectobacterium species and ranged from 88% to 96% among the remaining six species. A similar distribution was observed in the carbohydrate-active enzymes (CAZymes) class and extracellular plant cell wall degrading enzymes (PCWDEs). HC showed the highest number of enzymes in CAZymes and the lowest number in the extracellular PCWDEs. Six strains showed four subsets, and HC demonstrated three subsets, except hasDEF, in type I secretion system, while the type II secretion system of the seven strains was conserved. Components of human pathogens, such as Salmonella pathogenicity island 1 type type III secretion system (T3SS) and effectors, were identified in PZ1; T3SSa was not identified in HC. Two putative effectors, including hrpK, were identified in seven strains along with dspEF. We also identified 13 structural genes, six regulator genes, and five accessory genes in the type VI secretion system (T6SS) gene cluster of six Pectobacterium species, along with the loss of T6SS in PZ1. HC had two subsets, and JK2.1 had three subsets of T6SS. With the GxSxG motif, the phospholipase A gene did locate among tssID and duf4123 genes in the T6SSa cluster of all strains. Important domains were identified in the vgrG/paar islands, including duf4123, duf2235, vrr-nuc, and duf3396.
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Affiliation(s)
- Samnyu Jee
- Highland Agriculture Research Institute, National Institute of Crop Science, Rural Development Administration, Pyeongchang 25342,
Korea
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826,
Korea
| | - In-Jeong Kang
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826,
Korea
- Division of Crop Cultivation and Environment Research, National Institute of Crop Science, Suwon 16613,
Korea
| | - Gyeryeong Bak
- Highland Agriculture Research Institute, National Institute of Crop Science, Rural Development Administration, Pyeongchang 25342,
Korea
| | - Sera Kang
- Highland Agriculture Research Institute, National Institute of Crop Science, Rural Development Administration, Pyeongchang 25342,
Korea
| | - Jeongtae Lee
- Highland Agriculture Research Institute, National Institute of Crop Science, Rural Development Administration, Pyeongchang 25342,
Korea
| | - Sunggi Heu
- Department of Plant Science, College of Agriculture and Life Science, Seoul National University, Seoul 08826,
Korea
| | - Ingyu Hwang
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826,
Korea
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Xu P, Wang H, Qin C, Li Z, Lin C, Liu W, Miao W. Analysis of the Taxonomy and Pathogenic Factors of Pectobacterium aroidearum L6 Using Whole-Genome Sequencing and Comparative Genomics. Front Microbiol 2021; 12:679102. [PMID: 34276610 PMCID: PMC8282894 DOI: 10.3389/fmicb.2021.679102] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 06/07/2021] [Indexed: 11/24/2022] Open
Abstract
Soft rot pectobacteria are devastating plant pathogens with a global distribution and a broad host range. Pectobacterium aroidearum L6, previously isolated from leaves of Syngonium podophyllum, is a pectolytic bacterial pathogen that causes typical soft rot on S. podophyllum. There is a shortage for genome data of P. aroidearum, which seriously hinders research on classification and pathogenesis of Pectobacterium. We present here the complete genome sequence of P. aroidearum L6. The L6 strain carries a single 4,995,896-bp chromosome with 53.10% G + C content and harbors 4,306 predicted protein-coding genes. We estimated in silico DNA-DNA hybridization and average nucleotide identity values in combination with the whole-genome-based phylogeny from 19 Pectobacterium strains including P. aroidearum L6. The results showed that L6 and PC1 formed a population distinct from other populations of the Pectobacterium genus. Phylogenetic analysis based on 16S rRNA and genome sequences showed a close evolutionary relationship among Pectobacterium species. Overall, evolutionary analysis showed that L6 was in the same branch with PC1. In comparison with 18 Pectobacterium spp. reference pathogens, strain L6 had 2,712 gene families, among which 1,632 gene families were identified as orthologous to those strains, as well as 1 putative unique gene family. We discovered 478 genes, 10.4% of the total of predicted genes, that were potentially related to pathogenesis using the Virulence Factors of Pathogenic Bacteria database. A total of 25 genes were related to toxins, 35 encoded plant cell-wall degrading enzymes, and 122 were involved in secretion systems. This study provides a foundation for a better understanding of the genomic structure of P. aroidearum and particularly offers information for the discovery of potential pathogenic factors and the development of more effective strategies against this pathogen.
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Affiliation(s)
- Peidong Xu
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, China
- School of Life Sciences, Hainan University, Haikou, China
| | - Huanwei Wang
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, China
| | - Chunxiu Qin
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, China
| | - Zengping Li
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, China
| | - Chunhua Lin
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, China
| | - Wenbo Liu
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, China
| | - Weiguo Miao
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, China
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