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Journal articles on the topic 'Erwina spp'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Wavindu, Mwanzo, Edith B. Mouafo Tamnou, Ildephonse Soly Kamwira, et al. "Relative abundance and diversity of extended-spectrum beta-lactamase-producing Enterobacteria in some aquatic environments in an urbanized area in DR Congo." Microbial Science Archives 03, no. 04 (2023): 147–57. http://dx.doi.org/10.47587/msa.2023.3401.

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ESBL-producing enterobacteria have a significant impact on public health as they provide antibiotic resistance. Little is known about the relative diversity in various types of biotopes in the same geographical area. This study aimed to determine their diversity and abundance in 3 different aquatic environments. Samples from wells, river water, and hospital wastewater were analyzed. ESBL-producing enterobacteria isolated were identified using double-disk synergy test method based on enzymatic tests. Results showed that the abundance of total enterobacteria in log (CFU/100 µL) varied from 0.60

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R., Sitepu Irnayuli, Yasuyuki Hashidoko, Erdy Santoso, and Satoshi Tahara. "GROWTH-PROMOTING PROPERTIES OF BACTERIA ISOLATED FROM RHIZOSPHERE AND RHIZOPLANE OF DIPTEROCARP PLANTS ON ACIDIC LOWLAND TROPICAL PEAT FOREST IN CENTRAL KALIMANTAN, INDONESIA." JOURNAL OF FORESTRY RESEARCH 6, no. 2 (2017): 96–118. https://doi.org/10.20886/ijfr.2009.6.2.96-118.

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Dipterocarpaceae is a group of native, predominant trees of Indonesia lowland tropical forest. It is now under a serious threat of extinction due to continual forest degradations. Although dipterocarps have been used for reforestation, in the case of peat forests, transplanted seedlings typically suffer low survivar rates due to acidie soil, low nutrient content, and the presence of toxic elements. To produce robust seedlings, many studies have suggested  an inclusion of plant growth-promoting rhizobacteri (PGPR). However little or no studies have been done to PGPR of dipterocarps. This s

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Paul, N. Waithaka, M. Gathuru Eliud, M. Githaiga Benson, and W. Gachau Silviah. "Control of erwinia spp. isolated from star-of-bethlehem (ornithogalum spp.) using actinomycetes and antiserum prepared from the bacteria using rabbit." Pharmaceutical and Chemical Journal 4, no. 2 (2017): 35–42. https://doi.org/10.5281/zenodo.13762663.

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<em>Erwinia spp</em>. causes soft rot in <em>Ornithogalum spp.</em>, a flower grown purposely for export in Kenya. As a result the pathogen pauses a great risk to the economy of the country. This study aimed at isolating actinomycetes and <em>Erwinia spp.</em> from the soils of Menengai crater and infected <em>Ornithogalum spp. </em>respectively. In addition, the study sought to produce antiserum against the pathogen using a rabbit. Isolation of actinomycetes from the soil was carried out using standard methods. <em>Erwinia spp.</em> was isolated by first sterilizing the plant tissues using 70

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Shaveta, Sharma, Chugh Chirag, Kaushik Peeyush, and K. Jain Upendra. "Short Review on Hepatitis B." Pharmaceutical and Chemical Journal 4, no. 2 (2017): 43–51. https://doi.org/10.5281/zenodo.13762675.

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Hepatitis B virus currently infects more than 400 million people worldwide. The epidemiology of Hepatitis b virus infection is geographical diverse with population .Exploring the burden of chronic HBV infection this paper present a complete life cycle and biology of Hepatitis b virus in human body along with the symptoms of Hepatitis .it also illustrates the various modes of diagnosis. It includes primary treatment goals for patients with Hepatitis B (HBV) infection are to prevent progression of the disease, particularly to cirrhosis with the history of treatment. The approved therapy and comb

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Morgan, Tulio, Rafael Reis de Rezende, Thamylles Thuany Mayrink Lima, Flávia de Oliveira Souza, and Poliane Alfenas-Zerbini. "Genomic Analysis Unveils the Pervasiveness and Diversity of Prophages Infecting Erwinia Species." Pathogens 12, no. 1 (2022): 44. http://dx.doi.org/10.3390/pathogens12010044.

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Prophages are abundant elements integrated into bacterial genomes and contribute to inter-strain genetic variability and, in some cases, modulate the environmental behavior of bacteria, such as pathogen virulence. Here, we described prophage occurrence and diversity in publicly available Erwinia genome assemblies, a genus containing plant pathogens. Prophage-like sequences were identified and taxonomically classified. Sequence diversity was analyzed through intergenomic similarities. Furthermore, we searched for anti-phage defense systems in Erwinia spp., such as DISARM, BREX, and CRISPR-Cas s

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BJORNSDOTTIR-BUTLER, KRISTIN, SUSAN McCARTHY, and RONALD A. BENNER. "Characterization and Control of Erwinia spp. and Pluralibacter sp. in Tuna Salad Preparations." Journal of Food Protection 82, no. 6 (2019): 1071–81. http://dx.doi.org/10.4315/0362-028x.jfp-18-506.

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ABSTRACT Histamine-producing Erwinia and Pluralibacter spp. capable of producing toxic histamine levels were isolated from ingredients commonly used in tuna salad preparations. The characterization and control of these histamine-producing bacteria are necessary to prevent illness from tuna salad consumption. We confirmed the identity of two Erwinia spp. and one Pluralibacter sp. previously isolated from tuna salad ingredients through whole genome sequencing and phylogenic analysis and characterized them for growth and histamine production at different temperatures, pH values, and salt concentr

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7

Aldridge, Phillip, Frank Bernhard, Peter Bugert, David L. Coplin, and Klaus Geider. "Characterization of a gene locus from Erwinia amylovora with regulatory functions in exopolysaccharide synthesis of Erwinia spp." Canadian Journal of Microbiology 44, no. 7 (1998): 657–66. http://dx.doi.org/10.1139/w98-052.

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In a genomic library of Erwinia amylovora, a locus has been identified that can suppress an Erwinia stewartii rcsA mutant. In addition, the locus induced a mucoid sticky phenotype of colonies in a wild-type strain of Erwinia stewartii and increased exopolysaccharide synthesis in several species of bacteria belonging to the genus Erwinia. An open reading frame was identified at this locus encoding a 225 amino acid protein that contained a helix-turn-helix motif typical of transcriptional regulators. The corresponding gene was subsequently named rcsV (regulator of capsular synthesis affecting vi

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Liao, Ching-Hsing, and Lisa M. Shollenberger. "Enumeration, Resuscitation, and Infectivity of the Sublethally Injured Erwinia Cells Induced by Mild Acid Treatment." Phytopathology® 94, no. 1 (2004): 76–81. http://dx.doi.org/10.1094/phyto.2004.94.1.76.

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Current knowledge about microbial injury was derived mostly from studies with bacteria associated with processed foods. Demonstration of injury and repair in phytopathogenic bacteria and its implication on pathogen detection and disease ecology have not been reported. The objective of this study was to investigate the lethal and sublethal effects of acetic acid (AA) on soft-rot Erwinia spp. and the limitation of using selective media for isolation of injured cells. Following exposure to 0.3% AA for 6 min, 90 to 99% of E. carotovora subsp. carotovora, E. carotovora subsp. atroseptica, and E. ch

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Fessehaie, A., S. H. De Boer, and C. A. Lévesque. "Molecular characterization of DNA encoding 16S23S rRNA intergenic spacer regions and 16S rRNA of pectolyticErwiniaspecies." Canadian Journal of Microbiology 48, no. 5 (2002): 387–98. http://dx.doi.org/10.1139/w02-026.

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Sequences of 16S rDNAs and the intergenic spacer (IGS) regions between the 16S and 23S rDNA of bacterial strains from genus Erwinia were determined. Comparison of 16S rDNA sequences from different species and subspecies clearly revealed intraspeciessubspecies homology and interspecies heterogeneity. Phylogenetic analyses of 16S rDNA sequence data revealed that Erwinia spp. formed a discrete monophyletic clade with moderate to high bootstrap values. PCR amplification of the 16S23S rDNA regions using primers complementary to the 3' end of 16S and 5' end of 23S rRNA genes generated two DNA frag

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Gray, James S. S., Byung Yun Yang, and Rex Montgomery. "Extracellular polysaccharide of Erwinia chrysanthemi A350 and ribotyping of Erwinia chrysanthemi spp." Carbohydrate Research 324, no. 4 (2000): 255–67. http://dx.doi.org/10.1016/s0008-6215(99)00243-8.

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McCARTHY, SUSAN, KRISTIN BJORNSDOTTIR-BUTLER, and RONALD BENNER. "Storage Time and Temperature Effects on Histamine Production in Tuna Salad Preparations." Journal of Food Protection 78, no. 7 (2015): 1343–49. http://dx.doi.org/10.4315/0362-028x.jfp-14-523.

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Scombrotoxin fish poisoning (SFP), also known as histamine (Hst) poisoning, has been associated with consumption of scombroid-type fish, including tuna and tuna fish products. Preparation of commercial tuna salad contaminated with Hst-producing bacteria (HPB), combined with time-temperature abuse, can present a food safety hazard. A potential source of HPB is raw ingredients, such as celery and onions. The objectives of this study were to determine whether raw ingredients can be a source of HPB and to ascertain the effects of storage time (up to 4 days or 4 weeks) and temperature (4, 10, 18, 2

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Rantakari, A., O. Virtaharju, S. Vähämiko, et al. "Type III Secretion Contributes to the Pathogenesis of the Soft-Rot Pathogen Erwinia carotovora: Partial Characterization of the hrp Gene Cluster." Molecular Plant-Microbe Interactions® 14, no. 8 (2001): 962–68. http://dx.doi.org/10.1094/mpmi.2001.14.8.962.

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The virulence of soft-rot Erwinia species is dependent mainly upon secreted enzymes such as pectinases, pectin lyases, and proteases that cause maceration of plant tissue. Some soft-rot Erwinia spp. also harbor genes homologous to the hypersensitive reaction and pathogenesis (hrp) gene cluster, encoding components of the type III secretion system. The hrp genes are essential virulence determinants for numerous nonmacerating gram-negative plant pathogens but their role in the virulence of soft-rot Erwinia spp. is not clear. We isolated and characterized 11 hrp genes of Erwinia carotovora subsp.

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Udinyiwe, C. O., and E. S. Aghedo. "Isolation and Identification of Microbes Associated with Spoilage of African Star Apple (Chrysophyllum albidum Linn.) Sold in Markets in Benin City, Edo State, Nigeria." Journal of Applied Sciences and Environmental Management 28, no. 1 (2024): 129–33. http://dx.doi.org/10.4314/jasem.v28i1.15.

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African star apple (Chrysophyllum albidum Linn.) belong to the order Ebernale and family Sapotaceae. The study was aimed at isolating and identifying microbes associated with spoilage of Africa Star Apple (Chrysophyllum albidum) commonly sold at Oba, Uselu and Ikpoba Hill markets in Benin City, Edo State, Nigeria. Standard microbiological and biochemical techniques were used for the analysis. The results showed that viable bacterial counts of the spoilt cherry fruits ranged from 1.8×103 ‑ 7.6×103 cfu/g, 8.8×102 ‑5.4×103 cfu/g and 8.7×102 ‑1.7×103 cfu/g for spoilt cherry obtained from Oba marke

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Yang, Byung Yun, John M. Brand, James S. S. Gray, and Rex Montgomery. "Extracellular polysaccharides of modified strains of Erwinia spp." Carbohydrate Research 333, no. 4 (2001): 295–302. http://dx.doi.org/10.1016/s0008-6215(01)00155-0.

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Yang, Byung Yun, James S. S. Gray, and Rex Montgomery. "Comparison of extracellular polysaccharides of Erwinia chrysanthemi spp." International Journal of Biological Macromolecules 19, no. 3 (1996): 223–26. http://dx.doi.org/10.1016/0141-8130(96)01122-1.

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Morante-Carriel, Jaime, Marlon Vera-Carranza, Carlos Belezaca-Pinargote, Mercedes Carranza-Patiño, and Robinson J. Herrera-Feijoo. "Microorganisms associated with bacterial wilt disease in Dendrocalamus asper (Giant Bamboo) from Ecuador." Bionatura Journal 1, no. 1 (2024): 1–10. http://dx.doi.org/10.70099/bj/2024.01.01.18.

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Dendrocalamus asper (Bamboo) is an essential component of forest ecosystems, whose health and survival are intrinsically linked to complex interactions with its microbiome. This study focuses on the pathogenic dynamics between the fungi Arthrinium spp. and Erwinia spp. Bacteria and their impact in the shoots wilting and culm rot in bamboo. Through humid chamber induction methods and selective cultivation techniques, pathogenic strains that significantly affect the regeneration and propagation of bamboo were identified and isolated. The investigation revealed a pathogenic synergy resulting in a

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Morante-Carriel, Jaime, Marlon Vera-Carranza, Carlos Belezaca-Pinargote, Mercedes Carranza-Patiño, and Robinson J. Herrera-Feijoo. "Microorganisms associated with bacterial wilt disease in Dendrocalamus asper (Giant Bamboo) from Ecuador." Bionatura Journal 1, no. 1 (2024): 1–10. http://dx.doi.org/10.70099/bj/2024.09.01.32.

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Dendrocalamus asper (Bamboo) is an essential component of forest ecosystems, whose health and survival are intrinsically linked to complex interactions with its microbiome. This study focuses on the pathogenic dynamics between the fungi Arthrinium spp. and Erwinia spp. Bacteria and their impact in the shoots wilting and culm rot in bamboo. Through humid chamber induction methods and selective cultivation techniques, pathogenic strains that significantly affect the regeneration and propagation of bamboo were identified and isolated. The investigation revealed a pathogenic synergy resulting in a

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Morante-Carriel, Jaime, Marlon Vera-Carranza, Carlos Belezaca-Pinargote, Mercedes Carranza-Patiño, and Robinson J. Herrera-Feijoo. "Microorganisms associated with bacterial wilt disease in Dendrocalamus asper (Giant Bamboo) from Ecuador." Bionatura Journal 1 1, no. 1 (2024): 1–10. http://dx.doi.org/10.21931/rb/2024.09.01.32.

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Dendrocalamus asper (Bamboo) is an essential component of forest ecosystems, whose health and survival are intrinsically linked to complex interactions with its microbiome. This study focuses on the pathogenic dynamics between the fungi Arthrinium spp. and Erwinia spp. Bacteria and their impact in the shoots wilting and culm rot in bamboo. Through humid chamber induction methods and selective cultivation techniques, pathogenic strains that significantly affect the regeneration and propagation of bamboo were identified and isolated. The investigation revealed a pathogenic synergy resulting in a

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Smits, Theo H. M., Fabio Rezzonico, Tim Kamber, et al. "Complete Genome Sequence of the Fire Blight Pathogen Erwinia amylovora CFBP 1430 and Comparison to Other Erwinia spp." Molecular Plant-Microbe Interactions® 23, no. 4 (2010): 384–93. http://dx.doi.org/10.1094/mpmi-23-4-0384.

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Fire blight, caused by the enterobacterium Erwinia amylovora, is a devastating disease of rosaceous plants that has global economic importance for apple and pear production and trade. The complete genome of E. amylovora CFBP 1430 was sequenced, annotated, and compared with the genomes of other Erwinia spp. Several singleton and shared features of the E. amylovora CFBP 1430 genome were identified that offer a first view into evolutionary aspects within the genus Erwinia. Comparative genomics identified or clarified virulence and fitness determinants and secretion systems. Novel insights reveale

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Hélias, Valérie. "Pectobacterium spp. et Dickeya spp. de la pomme de terre : nouvelle nomenclature pour Erwinia spp. symptomatologie épidémiolo." Cahiers Agricultures 17, no. 4 (2008): 349–54. http://dx.doi.org/10.1684/agr.2008.0216.

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Gomes, Luiz Humberto, Keila Maria Roncato Duarte, Felipe Gabriel Andrino, and Flavio Cesar Almeida Tavares. "A simple method for DNA isolation from Xanthomonas spp." Scientia Agricola 57, no. 3 (2000): 553–55. http://dx.doi.org/10.1590/s0103-90162000000300028.

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A simple DNA isolation method was developed with routine chemicals that yields high quality and integrity preparations when compared to some of the most well known protocols. The method described does not require the use of lysing enzymes, water bath and the DNA was obtained within 40 minutes The amount of nucleic acid extracted (measured in terms of absorbancy at 260 nm) from strains of Xanthomonas spp., Pseudomonas spp. and Erwinia spp. was two to five times higher than that of the most commonly used method.

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Ding, Qiong, Michael LaBelle, Byung Yun Yang, and Rex Montgomery. "Physicochemical studies of extracellular polysaccharides of Erwinia chrysanthemi spp." Carbohydrate Polymers 51, no. 3 (2003): 333–46. http://dx.doi.org/10.1016/s0144-8617(02)00190-x.

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URSING, J. "CHARACTERIZATION OF ENTEROBACTER AGGLOMERANS (ERWINIA SPP.) FROM CLINICAL SPECIMENS." Acta Pathologica Microbiologica Scandinavica Section B Microbiology 85B, no. 1 (2009): 61–66. http://dx.doi.org/10.1111/j.1699-0463.1977.tb01675.x.

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Wang, Dongping, Schuyler S. Korban, P. Lawrence Pusey, and Youfu Zhao. "Characterization of the RcsC Sensor Kinase from Erwinia amylovora and Other Enterobacteria." Phytopathology® 101, no. 6 (2011): 710–17. http://dx.doi.org/10.1094/phyto-09-10-0258.

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RcsC is a hybrid sensor kinase which contains a sensor domain, a histidine kinase domain, and a receiver domain. We have previously demonstrated that, although the Erwinia amylovora rcsC mutant produces more amylovoran than the wild-type (WT) strain in vitro, the mutant remains nonpathogenic on both immature pear fruit and apple plants. In this study, we have comparatively characterized the Erwinia RcsC and its homologs from various enterobacteria. Results demonstrate that expression of the Erwinia rcsC gene suppresses amylovoran production in various amylovoran overproducing WT and mutant str

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Marcelo Correa, Andrea, Adriana Ordóñez Vásquez, Alba Alicia Trespalacios, and Fernando Suarez Obando. "Inhibición del crecimiento de Erwinia chrysanthemi a diferentes concentraciones de ácido fólico: posible uso del ácido fólico como agente bacteriostático y fortificante de la papa Solanum tuberosum." Universidad y Salud 19, no. 1 (2017): 140. http://dx.doi.org/10.22267/rus.171901.77.

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Introducción: Las enterobacterias del genero Erwinia spp producen enfermedades en la papa, un tubérculo de consumo masivo. La regulación de la metilación del DNA puede regular la proliferación de la Erwinia, de tal modo que las concentraciones del ácido fólico, pueden tener un efecto en la capacidad patógena del microorganismo. De otra parte, el ácido fólico previene la aparición de defectos del tubo neural en humanos. Objetivo: Evaluar al ácido fólico como un agente bacteriostático de la Erwinia y que a su vez sea parte de la fortificación de alimentos de consumo masivo como la papa. Material

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Ramachandran, Kogeethavani, Uyub Abdul Manaf, and Latiffah Zakaria. "Molecular characterization and pathogenicity of Erwinia spp. associated with pineapple [Ananas comosus (L.) Merr.] and papaya (Carica papaya L.)." Journal of Plant Protection Research 55, no. 4 (2015): 396–404. http://dx.doi.org/10.1515/jppr-2015-0053.

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AbstractThe Erwinia species are well-known pathogens of economic importance in Malaysia causing serious damage to high-value fruit crops that include pineapple [Ananas comosus (L.) Merr.] and papaya (Carica papaya L.).The 16S rRNA sequence using eubacteria fD1 and rP2 primers, identified two bacteria species; Dickeya zeae from pineapple heart rot, and Erwinia mallotivora from papaya dieback. Phylogenetic analysis based on the neighbor-joining method indicated that all the bacterial isolates clustered in their own taxa and formed monophyletic clades. From the pathogenicity test, all isolates of

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Moreau, M., M. G. J. Feuilloley, N. Orange, and J. L. Brisset. "Lethal effect of the gliding arc discharges on Erwinia spp." Journal of Applied Microbiology 98, no. 5 (2005): 1039–46. http://dx.doi.org/10.1111/j.1365-2672.2004.02535.x.

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Mansvelt, E. L., and E. Carstens. "Outbreak of Erwinia carotovora on Zantedischia spp. in South Africa." Plant Disease 83, no. 10 (1999): 966. http://dx.doi.org/10.1094/pdis.1999.83.10.966c.

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In South Africa, summer-flowering Arum lilies are grown for the tuber, potted plant, and cut flower markets. In 1998, an outbreak of soft rot was detected on Zantedischia oculata cv. Black Magic and Z. elliottiana plants from several nurseries. Crop losses of up to 25% were incurred. The initial symptom was wilting of leaves. When plants were lifted from the soil, soft rot of the tuber was found. Tuber rot usually developed on one side, and plants developing from affected tubers wilted and died. No discoloration of leaf or tuber tissues was found. Isolations from diseased tissues consistently

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Yang, Byung Yun, Qiong Ding, and Rex Montgomery. "Hydrodynamic properties of oxidized extracellular polysaccharides from Erwinia chrysanthemi spp." Carbohydrate Research 338, no. 23 (2003): 2763–71. http://dx.doi.org/10.1016/j.carres.2003.06.001.

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Triplett, Lindsay R., Youfu Zhao, and George W. Sundin. "Genetic Differences between Blight-Causing Erwinia Species with Differing Host Specificities, Identified by Suppression Subtractive Hybridization." Applied and Environmental Microbiology 72, no. 11 (2006): 7359–64. http://dx.doi.org/10.1128/aem.01159-06.

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ABSTRACT PCR-based subtractive hybridization was used to isolate sequences from Erwinia amylovora strain Ea110, which is pathogenic on apples and pears, that were not present in three closely related strains with differing host specificities: E. amylovora MR1, which is pathogenic only on Rubus spp.; Erwinia pyrifoliae Ep1/96, the causal agent of shoot blight of Asian pears; and Erwinia sp. strain Ejp556, the causal agent of bacterial shoot blight of pear in Japan. In total, six subtractive libraries were constructed and analyzed. Recovered sequences included type III secretion components, hypo

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Дренова, Н. В., М. О. Кондратьев, А. А. Харченко та ін. "Рябина (Sorbus spp.) как потенциальное растение – хозяин возбудителя бактериального ожога плодовых культур (Erwinia amylovora) в Российской Федерации". Plant Health and Quarantine, № 4 (15 грудня 2020): 46–64. http://dx.doi.org/10.69536/fkr.2020.12.82.001.

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Представители рода Sorbus sensu lato (Рябина) – известные и достаточно широко распространенные растения – хозяева бактериального ожога плодовых культур Erwinia amylovora (Burrill) Winslow et al. Однако до настоящего времени официально подтвержденных данных о выявлении возбудителя на рябине в Российской Федерации не было. В данной работе проведено обследование насаждений Sorbus aucuparia L. и культурных сортов рябины в 7 регионах европейской части России. Сборные образцы и пробы различных частей растений проанализированы с помощью 4 тестов на основе ПЦР, методом секвенирования, а также культура

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Norman, D. J., J. M. F. Yuen, R. Resendiz, and J. Boswell. "Characterization of Erwinia Populations from Nursery Retention Ponds and Lakes Infecting Ornamental Plants in Florida." Plant Disease 87, no. 2 (2003): 193–96. http://dx.doi.org/10.1094/pdis.2003.87.2.193.

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Water shortages in Florida are occurring due to intense utilization of the aquifer system by municipalities and agriculture, and because of continued deficits in annual rainfall. Water districts therefore, are, recommending the use of recycled irrigation water, stormwater runoff, reclaimed municipal sewage water, and lakes for agricultural use. With recycled water, however, there is potential for both introducing and concentrating plant pathogens. In Florida, Erwinia soft-rot bacteria (synonym Pectobacterium) cause extensive crop losses in ornamental plant production. To determine Erwinia spp.

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Prenger-Berninghoff, E., N. Bauer, R. Weiß, A. Moritz, and A. Steinfeld. "Bakterienisolate aus dem unteren Respirationstrakt von erkrankten Hunden und deren aktuelle Resistenzsituation." Tierärztliche Praxis Ausgabe K: Kleintiere / Heimtiere 40, no. 05 (2012): 309–17. http://dx.doi.org/10.1055/s-0038-1623659.

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Zusammenfassung Gegenstand: Retrospektive Untersuchung der mittels bronchoalveolärer Lavage (BAL) gewonnenen Keimflora der tiefen Atemwege erkrankter Hunde auf ihre Antibiotikaempfindlichkeit über 5 Jahre. Material und Methoden: Auswertung der Ergebnisse der Agardiffusionstests von Bakterienisolaten, die in den Jahren 2004–2009 von 84 Hunden isoliert wurden, und Vergleich mit den Resultaten einer gleichartigen Analyse der Jahre 1999/2000. Ergebnisse: Bei den 99 geprüften Bakterienisolaten handelte es sich um Pasteurella spp. (27,3%), Bordetella bronchiseptica (20,2%), Staphylococcus spp. (18,2

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Costa, José M., and Joyce E. Loper. "Ecbl and EcbR: homologs of Luxl and LuxR affecting antibiotic and exoenzyme production byErwinia carotovorasubsp.betavasculorum." Canadian Journal of Microbiology 43, no. 12 (1997): 1164–71. http://dx.doi.org/10.1139/m97-165.

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Erwinia carotovora subsp. betavasculorum Ecb168 causes vascular necrosis and root rot of sugar beet and produces an antibiotic(s) that is antagonistic against other Erwinia spp. EcbI−mutants of Ecb168, each containing a single transposon insertion in the ecbI gene (for Erwinia carotovora subsp. betavasculorum inducer), do not produce detectable levels of extracellular protease or antibiotic(s), and express less pectate lyase activity and virulence than the wild-type strain. A plasmid containing the cloned ecbI gene complemented the EcbI−mutants for these phenotypes. Protease production by EcbI

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Lyon, G. D., K. J. Smith, and J. Heilbronn. "The calcium requirement of polygalacturonic acid lyases produced by Erwinia spp." Letters in Applied Microbiology 2, no. 6 (1986): 127–29. http://dx.doi.org/10.1111/j.1472-765x.1986.tb01532.x.

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Korhonen, T. K., N. Kalkkinen, K. Haahtela, and D. C. Old. "Characterization of type 1 and mannose-resistant fimbriae of Erwinia spp." Journal of Bacteriology 169, no. 5 (1987): 2281–83. http://dx.doi.org/10.1128/jb.169.5.2281-2283.1987.

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Seo, S. T., N. Furuya, C. K. Lim, Y. Takanami, and K. Tsuchiya. "Phenotypic and genetic characterization of Erwinia carotovora from mulberry (Morus spp.)." Plant Pathology 52, no. 2 (2003): 140–46. http://dx.doi.org/10.1046/j.1365-3059.2003.00816.x.

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Marutani, M., and F. Cruz. "Influence of Supplemental Irrigation on Development of Potatoes in the Tropics." HortScience 24, no. 6 (1989): 920–23. http://dx.doi.org/10.21273/hortsci.24.6.920.

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Abstract An experiment was conducted under tropical conditions in Guam to determine the influence of supplemental irrigation on plant development and tuber yield of potatoes (Solanum tuberosum L. cv. Red Pontiac). Three levels of trickle irrigation were compared with nonirrigated plots. Soil moisture levels of irrigated plots were maintained at soil tensions of 10, 40, and 70 kPa. Frequent irrigation promoted rapid canopy development. In contrast, canopy development of nonirrigated plants was reduced. Supplemental irrigation did not influence the date of tuber initiation. The heavily irrigated

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Potrykus, Marta, Malgorzata Golanowska, Wojciech Sledz, et al. "Biodiversity of Dickeya spp. Isolated from Potato Plants and Water Sources in Temperate Climate." Plant Disease 100, no. 2 (2016): 408–17. http://dx.doi.org/10.1094/pdis-04-15-0439-re.

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Bacteria from the genera Dickeya (formerly Erwinia chrysanthemi) and Pectobacterium (formerly E. carotovora) are the agents of blackleg and soft rot on many important crops. In 2005, Dickeya solani was isolated for the first time in Poland from a symptomatic potato plant. To establish the presence and diversity of Dickeya spp. in Poland, we surveyed potato fields and water sources, including surface waters near potato fields and water from potato-processing facilities and sewage plants. Only D. dianthicola and D. solani were isolated from symptomatic potato, and only D. zeae and D. chrysanthem

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Mardanli, Akif, and Tofiq Aliyev. "Critical Review of Onion Pathologies and Modern Countermeasures in Agroecological Systems." Porta Universorum 1, no. 3 (2025): 293–304. https://doi.org/10.69760/portuni.010324.

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Onion cultivation is significantly affected by a range of diseases caused by fungi, bacteria, and viruses, which lead to substantial yield and quality losses. This article provides a comprehensive overview of the most common onion plant diseases, including powdery mildew (Peronospora destructor), throat rot (Botrytis allii), stem and white rot (Fusarium and Sclerotium spp.), rust (Puccinia and Melampsora spp.), bacteriosis (Erwinia spp.), mosaic virus, and onion rust (Urocystis cepulae). For each disease, typical symptoms, sources of infection, environmental conditions favoring development, an

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Ciocarlan, Alexandru, Ion Dragalin, Aculina Aricu, et al. "Chemical Profile, Elemental Composition, and Antimicrobial Activity of Plants of the Teucrium (Lamiaceae) Genus Growing in Moldova." Agronomy 12, no. 4 (2022): 772. http://dx.doi.org/10.3390/agronomy12040772.

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Teucrium L. is a widely distributed genus often used for the treatment of digestive disorders and respiratory problems. The aim of the present study was to determine the chemical composition of essential oils and elemental content of the plant species Teucrium polium, Teucrium hircanicum, Teucrium botrys, Teucrium chamaedrys, Teucrium flavum, Teucrium orientale, and Teucrium scordium of Moldovan origin, as well as to evaluate the antimicrobial activity of their extracts. The composition of essential oils was determined using gas chromatography–mass spectrometry (GC–MS), and neutron activation

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McGhee, Gayle C., Elise L. Schnabel, Kimberly Maxson-Stein, et al. "Relatedness of Chromosomal and Plasmid DNAs of Erwinia pyrifoliae and Erwinia amylovora." Applied and Environmental Microbiology 68, no. 12 (2002): 6182–92. http://dx.doi.org/10.1128/aem.68.12.6182-6192.2002.

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ABSTRACT The plant pathogen Erwinia pyrifoliae has been classified as a separate species from Erwinia amylovora based in part on differences in molecular properties. In this study, these and other molecular properties were examined for E. pyrifoliae and for additional strains of E. amylovora, including strains from brambles (Rubus spp.). The nucleotide composition of the internal transcribed spacer (ITS) region was determined for six of the seven 16S-23S rRNA operons detected in these species with a 16S rRNA gene probe. Each species contained four operons with a tRNAGlu gene and two with tRNAI

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Félix Reyes, Marisol, Pablo Elorza Martínez, and Arianna Rubí González Sánchez. "Alternativas de manejo In vitro de Erwinia spp. patogénica en Saintpaulia ionantha." Revista Biológico Agropecuaria Tuxpan 5, no. 2 (2017): 1–8. http://dx.doi.org/10.47808/revistabioagro.v5i2.103.

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El trabajo tuvo como objetivo evaluar la eficacia in vitro de diferentes bactericidas para el control de Erwinia sp. aislada en plantas de violeta africana (Saintpaulia ionantha) procedentes de un invernadero en la localidad de Tenango de las Flores, Huachinango, Puebla. Después de realizar los postulados de Koch, el agente causal del tizón bacteriano fue identificado como Erwinia sp. Este patógeno daña principalmente en las hojas y puede llegar a destruir toda la planta ya que produce grandes cantidades de enzimas pectolíticas. En el bioensayo de laboratorio se utilizó un diseño completamente

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NISHIOK, Masanori, Naruto FURUYA, Nobuhiko NAKASHIMA, and Nobuaki MATSUYAMA. "Antibacterial Activities of Metabolites Produced by Erwinia spp. against Various Phytopathogenic Bacteria." Japanese Journal of Phytopathology 63, no. 2 (1997): 99–102. http://dx.doi.org/10.3186/jjphytopath.63.99.

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LONSDALE, OWEN, and STEPHEN A. MARSHALL. "Sobarocephala (Diptera: Clusiidae: Sobarocesphalinae)—Subgeneric classification and Revision of the New World species." Zootaxa 3370, no. 1 (2012): 1. http://dx.doi.org/10.11646/zootaxa.3370.1.1.

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Sobarocephala Czerny is divided into nine newly erected species groups: the S. archisobarocephala (4 spp.), S. erwini (3spp.), S. flava (8 New World spp.; 2 Old World spp.), S. flaviseta (86 New World spp.; 1 Old World sp.), S. interrupta (86spp.), S. isla (25 spp.), S. latipennis (16 spp.), S. plumicornis (9 Old World spp.), and S. ruebsaameni (11 spp.) groups; 1species (S. setulocetra spec. nov.) remains unplaced. There are 240 species of Sobarocephala in the New World, including17 Nearctic (2 extend into the Neotropical Region) and 170 new species, some of which were previously considered v

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Coplin, David L., Doris R. Majerczak, Yongxiang Zhang, Won-Sik Kim, Susanne Jock, and Klaus Geider. "Identification of Pantoea stewartii subsp. stewartii by PCR and Strain Differentiation by PFGE." Plant Disease 86, no. 3 (2002): 304–11. http://dx.doi.org/10.1094/pdis.2002.86.3.304.

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Stewart's bacterial wilt and leaf blight of sweet corn and maize is caused by Pantoea stewartii subsp. stewartii. This bacterium can be seed transmitted at a low frequency, so it is subject to quarantine restrictions by many countries. To develop a polymerase chain reaction assay for the identification of this pathogen from field samples and for use in seed health tests, four primer pairs were tested. These were selected from the sequences of hrpS, cpsDE, and the 16S rRNA intergenic transcribed spacer (ITS) region. Under optimal reaction conditions, about 20 and 200 cells of P. stewartii could

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Purahong, Witoon, Benjawan Tanunchai, Sara Fareed Mohamed Wahdan, François Buscot, and Ernst-Detlef Schulze. "Molecular Screening of Microorganisms Associated with Discolored Wood in Dead European Beech Trees Suffered from Extreme Drought Event Using Next Generation Sequencing." Plants 10, no. 10 (2021): 2092. http://dx.doi.org/10.3390/plants10102092.

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Drought events weaken trees and make them vulnerable to attacks by diverse plant pathogens. Here, we propose a molecular method for fast screening of microorganisms associated with European beech decline after an extreme drought period (2018) in a forest of Thuringia, Germany. We used Illumina sequencing with a recent bioinformatics approach based on DADA2 to identify archaeal, bacterial, and fungal ASVs (amplicon sequence variants) based on bacterial and archaeal 16S and fungal ITS genes. We show that symptomatic beech trees are associated with both bacterial and fungal plant pathogens. Altho

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Ogidi, Clement Olusola, Oluwatobiloba Hannah George, Oluwatoyin Modupe Aladejana, Olu Malomo, and Oladiran Famurewa. "Fruit preservation with bioethanol obtained from the fermentation of brewer’s spent grain with Saccharomyces carlsbergensis." Revista Facultad Nacional de Agronomía Medellín 73, no. 3 (2020): 9321–31. http://dx.doi.org/10.15446/rfnam.v73n3.85316.

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Brewer’s Spent Grain (BSG) is renewable lignocellulosic biomass generated from the beer brewing process. It serves as a substrate for various biotechnological applications. BSG was used as the main substrate for bioethanol production with Saccharomyces carlsbergensis in submerged fermentation. Saccharification and fermentation studies were performed for the production of bioethanol. A sterilized fermenter was loaded with 50 g L-1 of BSG at 29±2 °C and an agitation speed of 180 rpm. pH was adjusted to 6.0 before the addition of 500 mL of yeast culture for 7 days under submerged and optimized co

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Naka, Keta Jibrin, and Usman Abubakar. "Potential Molds and Bacterial Species Associated with Deterioration of Sweet potatoes in Kebbi State, Northern Nigeria." Journal of Current Opinion in Crop Science 2, no. 1 (2021): 68–73. http://dx.doi.org/10.62773/jcocs.v2i1.42.

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The present study aimed to assess the types of microorganisms associated with two different varieties of sweet potatoes yellow skin with white flesh and white skin with yellow flesh cultivated in Kebbi. The analysis of microorganisms was done using the pour plate method. Two L.G.A and three collection points from each L.G.A were selected and sampled. Eight bacteria and five fungal species were isolated and identified from the two varieties of sweet potatoes. Bacterial species identified were; Staphylococcus aureus, Salmonella spp., E. coli, Bacillus spp., Pseudomonas spp., L. monocytogens, Kle

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Rojas, E. Saalau, P. M. Dixon, J. C. Batzer, and M. L. Gleason. "Genetic and Virulence Variability Among Erwinia tracheiphila Strains Recovered from Different Cucurbit Hosts." Phytopathology® 103, no. 9 (2013): 900–905. http://dx.doi.org/10.1094/phyto-11-12-0301-r.

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The causal agent of cucurbit bacterial wilt, Erwinia tracheiphila, has a wide host range in the family Cucurbitaceae, including economically important crops such as muskmelon (Cucumis melo), cucumber (C. sativus), and squash (Cucurbita spp.). Genetic variability of 69 E. tracheiphila strains was investigated by repetitive-element polymerase chain reaction (rep-PCR) using BOXA1R and ERIC1-2 primers. Fingerprint profiles revealed significant variability associated with crop host; strains isolated from Cucumis spp. were clearly distinguishable from Cucurbita spp.-isolated strains regardless of ge

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