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Pshenichnaya N, Lizinfeld I, Umbetova K, Konnova Y, Gopatsa G, Kuandykova A, Omarova B. Salmonella Reading: A rare case of generalized salmonellosis in non-endemic region. IDCases 2023; 33:e01879. [PMID: 37671336 PMCID: PMC10475470 DOI: 10.1016/j.idcr.2023.e01879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 08/17/2023] [Indexed: 09/07/2023] Open
Abstract
Salmonella Reading is a rare serotype of Salmonella enterica and is associated with sporadic cases and rare outbreaks worldwide. This article describes a rare case of generalized S. Reading infection imported from Indonesia to Moscow, Russia. A 37-year-old man was admitted to the hospital with fever, weakness, and headache after returning from Indonesia. During his stay in Indonesia, he developed symptoms of a gastrointestinal infection, which resolved there. However, upon return to Moscow, his condition worsened due to high fever, and he was diagnosed with a generalized salmonellosis caused by S. Reading (positive blood and stool culture). This case highlights the importance of differential diagnosis in patients with fever. The health risks associated with traveling to exotic countries and the importance of preventive measures are emphasized. This is the first published case of S. Reading in Eastern Europe.
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Affiliation(s)
| | | | - Karina Umbetova
- First Moscow State Medical University named after I.M. Sechenov, Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Yulia Konnova
- State Budget Institution of Health Care "Infectious clinical hospital № 2" of the Moscow Department of Health, Moscow, Russia
| | - Galina Gopatsa
- Central Research Institute of Epidemiology, Moscow, Russia
| | - Ainash Kuandykova
- Khoja Akhmet Yassawi International Kazakh-Turkish University, Kazakhstan
| | - Balnur Omarova
- Khoja Akhmet Yassawi International Kazakh-Turkish University, Kazakhstan
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Moreno-Pérez PA, Hernández-Téllez M, Bautista-Gálvez A. In Danger One of the Largest Aquifers in the World, the Great Mayan Aquifer, Based on Monitoring the Cenotes of the Yucatan Peninsula. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 81:189-198. [PMID: 34250569 DOI: 10.1007/s00244-021-00869-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/22/2021] [Indexed: 06/13/2023]
Abstract
The aquifer flowing beneath the Yucatan Peninsula, México, is one of the largest in the world and is in direct contact with the surface through "cenotes" (sinkholes) that have been documented to be contaminated with various classes of pollutants. The objective of this study was to evaluate the environmental status of the Great Mayan Aquifer through a review of data published on pollution of the cenotes. Approximately 1000 known georeferenced cenotes on the Yucatan Peninsula were geographically located. A map was generated using the geographic information system software. High-resolution satellite images were processed to complement the "QuickMap Services" and the formatting service of the Environmental Systems Research Institute. From the literature, 173 cenotes were identified as being sampled for various pollutants, and of these, one or more classes of pollutants were detected in 160 (i.e., greater than 92%) of the cenotes. Pollutants reported to be present included bacteria and viruses of human origin, fecal sterols, polycyclic aromatic hydrocarbons (PAHs), pesticides, pharmaceuticals, illicit drugs and personal care products. From the review of the literature, only 13 cenotes were reported to be free of the target pollutants. From this study, it can be concluded that the aquifer system with the Yucatan Peninsula is vulnerable to contamination from pollutants originating from wastewater, as well as surface runoff and infiltration from urban and agricultural lands.
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Affiliation(s)
- Pablo Antonio Moreno-Pérez
- Laboratory of Medical and Environmental Microbiology, Faculty of Medicine, Autonomous University of the State of Mexico, Av. Paseo Tollocan, Calle Jesús Carranza, Moderna de La Cruz, 50180, Toluca de Lerdo, Mexico.
| | - Marivel Hernández-Téllez
- Inter-American Institute of Technology and Water Sciences, Autonomous University of the State of Mexico, 10 Toluca. Carretera Toluca-Ixtlahuaca km. 14.5 San Cayetano Morelos, CP. 50120, Toluca, Mexico
| | - Arely Bautista-Gálvez
- Mayan Faculty of Agricultural Studies of the Autonomous University of Chiapas, Carretera Catazaja-Palenque 14 Km 4, CP. 29960, Catazaja, Chiapas, Mexico
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Wang D, Zheng Q, Lv Q, Zhang C, Zheng Y, Chen H, Zhang W. Assessment of seawater bacterial infection in rabbit tibia by Illumina MiSeq sequencing and bacterial culture. J Orthop Surg Res 2021; 16:463. [PMID: 34289854 PMCID: PMC8293552 DOI: 10.1186/s13018-021-02553-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 06/11/2021] [Indexed: 12/02/2022] Open
Abstract
Objectives We aimed to explore the bacterial community composition following ocean bacterial infection using an animal model. Methods This animal-based experiment was conducted from September 2019 to November 2019. Eighteen seawater filter membranes were collected from Changle City, Fujiian Province, China, on September 8, 2019. Ten filter membranes were used for implantation. Eight filter membranes that were used in the bacterial culture for the exploration of seawater bacteria were assigned to the seawater group (SG). Fourteen healthy adult New Zealand rabbits were randomly divided into the experimental group (EG) and control group (CG). Seawater filter membranes and asepsis membranes were implanted into the tibia in the EG and CG, respectively. One week after surgery, tibial bone pathology tissues were collected and assessed using light microscopy and scanning electron microscopy (SEM). Medullary cavity tissues were collected for the performance of Illumina MiSeq sequencing and bacterial culture. The differences between EG and CG were assessed by pathological observation under light microscopy and SEM, high-throughput bacterial sequencing, and bacterial culture. Results Compared with the CG, the infection rate was 100%, and the mortality value was 20% after the implantation of the filter membranes in the EG. Both light microscopy and SEM showed that a large number of bacteria were distributed in the bone marrow cavity after ocean bacterial infection. No bacterial growth was found in the CG. Illumina MiSeq sequencing found that Firmicutes, Proteobacteria, Thermotogae, Fusobacteria, Bacteroidetes, and Actinobacteria were the dominant bacteria at the phylum level and Clostridium_sensu_stricto_7, Haloimpatiens, Clostridium_sensu_stricto_15, Clostridiaceae_1, Clostridium_sensu_stricto_18, and Oceanotoga were the dominant bacteria in genus level among the EG. In the bacterial culture of the medullary cavity tissues, Klebsiella pneumoniae, Shewanella algae, Staphylococcus aureus, Escherichia coli, Enterobacter cloacae, and Vibrio vulnificus were the predominant infective species. Moreover, compared with the SG, the EG showed a higher detection rate of E. coli and S. aureus (P = 0.008 and P = 0.001, respectively). The detection rates of V. alginolyticus, V. parahaemolyticus, and V. fluvialis were higher in the SG than the EG (P = 0.007, P = 0.03, and P = 0.03, respectively). Conclusions Our model, which was comprehensively evaluated using four techniques: histopathology and SEM observation, gene detection, and bacteria culture, provides a scientific basis for the clinical diagnosis and treatment of patients in such settings. Supplementary Information The online version contains supplementary material available at 10.1186/s13018-021-02553-9.
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Affiliation(s)
- Du Wang
- Department of Joint Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Qingcong Zheng
- Department of Orthopedics, 900th Hospital of Joint Logistics Support Force, Fuzhou, China
| | - Qi Lv
- Department of Orthopedics, 900th Hospital of Joint Logistics Support Force, Fuzhou, China
| | - Chaofan Zhang
- Department of Joint Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Yun Zheng
- Department of Orthopedics, 900th Hospital of Joint Logistics Support Force, Fuzhou, China
| | - Huidong Chen
- Department of Orthopedics, 900th Hospital of Joint Logistics Support Force, Fuzhou, China
| | - Wenming Zhang
- Department of Joint Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China.
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Abstract
Composting is the controlled conversion of degradable organic products and wastes into stable products with the aid of microorganisms. Composting is a long-used technology, though it has some shortcomings that have reduced its extensive usage and efficiency. The shortcomings include pathogen detection, low nutrient status, long duration of composting, long mineralization duration, and odor production. These challenges have publicized the use of chemical fertilizers produced through the Haber–Bosch process as an alternative to compost over time. Chemical fertilizers make nutrients readily available to plants, but their disadvantages outweigh their advantages. For example, chemical fertilizers contribute to greenhouse effects, environmental pollution, death of soil organisms and marine inhabitants, ozone layer depletion, and human diseases. These have resulted in farmers reverting to the application of composts as a means of restoring soil fertility. Composting is a fundamental process in agriculture and helps in the recycling of farm wastes. The long duration of composting is a challenge; this is due to the presence of materials that take a longer time to compost, especially during co-composting. This review discusses the proper management of wastes through composting, different composting methods, the factors affecting composting, long-duration composting, the mechanism behind it, the present trends in composting and prospects. The extraction of mono-fertilizers from compost, development of strips to test for the availability of heavy metals and pathogens as well as an odor-trapping technique can go a long way in enhancing composting techniques. The addition of activators to raw materials can help to improve the nutritional quality of compost. This review further recommends that degradable organic material in which composts slowly should be assessed for their ability to mineralize slowly, which could make them advantageous to perennial or biennial crops. Viricides, fungicides, anti-nematodes, and anti-bacterial of plant or organic sources could as well be added to improve compost quality. The enhancement of composting duration will also be useful.
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Massinai A, Tahir A, Abu N. High concentrations of pathogenic Salmonella spp. during the wet season on bathing beaches in Makassar City, Indonesia. ACTA ACUST UNITED AC 2019. [DOI: 10.1088/1755-1315/253/1/012044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Leal DAG, Souza DSM, Caumo KS, Fongaro G, Panatieri LF, Durigan M, Rott MB, Barardi CRM, Franco RMB. Genotypic characterization and assessment of infectivity of human waterborne pathogens recovered from oysters and estuarine waters in Brazil. WATER RESEARCH 2018; 137:273-280. [PMID: 29550730 DOI: 10.1016/j.watres.2018.03.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 03/02/2018] [Accepted: 03/09/2018] [Indexed: 06/08/2023]
Abstract
Waterborne, food-borne and sewage-borne pathogens are a major global concern, with the annual recurrence, most notably during the summer, of outbreaks of gastroenteritis of unconfirmed etiology associated with recreational activities in marine environments. The consumption of contaminated water-based foodstuffs is also related to outbreaks of human illness. The main goals of the present study were: i) to identify the genetic assemblages of Giardia duodenalis cysts in growing and depurated oysters destined for human consumption on the southern coast of São Paulo, Brazil; ii) to verify the main circulating G. duodenalis assemblages and their subtypes in different brackish waters used for the production of mollusks and for recreational purposes; iii) to track the contamination of growing and depurated oysters by the human adenovirus and identify the infectivity of adenoviral particles recovered from oysters before and after depuration; iv) to evaluate the occurrence and genotype of the free-living amoebae of the genus Acanthamoeba in brackish water and oysters from all the sites described above. Four sampling sites in the Cananeia estuary were selected to search for pathogenic and amphizoic protozoa (Giardia and Acanthamoeba respectively): site 1: oyster growth, site 2: catchment water (before UV depuration procedure), site 3: filter backwash (filtration stage of water treatment) and site 4: oyster depuration tank. Oysters at sites 1 and 4 were evaluated for the presence of adenovirus (HAdV). Analysis consisted of conventional microbiological as well as molecular methods. Giardia duodenalis were detected in all the water sites analyzed and the molecular analysis revealed that sub-assemblage AII was the most frequently distributed throughout the estuarine environment, although one sample was identified as belonging to the assemblage C. Acanthamoeba were also isolated from different locations of the estuarine area, and were detected at all the analyzed sites. The majority of isolates belonged to the T3 genotype, while the T4 genotype was identified once. The sequencing reaction of Giardia duodenalis revealed the contamination of three batches of depurated oysters by the sub-assemblage AII. With respect to viruses, seven batches of oysters (four growing and three depurated) were found to be harboring infectious HAdV particles when submitted to plaque assay. Overall, the results of the sequencing reactions combined with the plaque assay revealed that the isolates of Giardia duodenalis and the infectious HAdV particles identified in oyster tissues have the potential to infect humans and pose a threat if consumed raw or lightly cooked. This is the first report on the sub-assemblage AII identified in oysters which are submitted to a cleaning and disinfection procedure prior to human consumption in Brazil. Acanthamoeba specific genotypes were also identified for the first time in a recreational estuarine area in Brazil, contributing to knowledge of their molecular and environmental epidemiology, which is considered scarce even in marine and estuarine areas of the world.
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Affiliation(s)
- Diego Averaldo Guiguet Leal
- Universidade Federal do Paraná (UFPR), Setor de Ciências Biológicas, Departamento de Patologia Básica, Laboratório de Parasitologia Ambiental, Curitiba, Paraná PO Box: 19031, CEP: 81531-980, Brazil.
| | - Doris Sobral Marques Souza
- Universidade Federal de Santa Catarina (UFSC), Centro de Ciências Biológicas, Departamento de Microbiologia e Parasitologia, Laboratório de Virologia Aplicada, Florianópolis, Santa Catarina CEP: 88040-970, Brazil
| | - Karin Silva Caumo
- Universidade Federal de Santa Catarina (UFSC), Centro de Ciências da Saúde, Departamento de Análises Clínicas, Laboratório de Estudos de Protozoários Emergentes, Florianópolis, Santa Catarina CEP: 88040-970, Brazil; Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de Ciências Básicas da Saúde, Departamento de Microbiologia, Imunologia e Parasitologia, Porto Alegre, Rio Grande do Sul CEP: 900035-190, Brazil
| | - Gislaine Fongaro
- Universidade Federal de Santa Catarina (UFSC), Centro de Ciências Biológicas, Departamento de Microbiologia e Parasitologia, Laboratório de Virologia Aplicada, Florianópolis, Santa Catarina CEP: 88040-970, Brazil
| | - Lua Ferreira Panatieri
- Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de Ciências Básicas da Saúde, Departamento de Microbiologia, Imunologia e Parasitologia, Porto Alegre, Rio Grande do Sul CEP: 900035-190, Brazil
| | | | - Marilise Brittes Rott
- Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de Ciências Básicas da Saúde, Departamento de Microbiologia, Imunologia e Parasitologia, Porto Alegre, Rio Grande do Sul CEP: 900035-190, Brazil
| | - Célia Regina Monte Barardi
- Universidade Federal de Santa Catarina (UFSC), Centro de Ciências Biológicas, Departamento de Microbiologia e Parasitologia, Laboratório de Virologia Aplicada, Florianópolis, Santa Catarina CEP: 88040-970, Brazil
| | - Regina Maura Bueno Franco
- Universidade Estadual de Campinas, Instituto de Biologia, Departamento de Biologia Animal, Laboratório de Protozoologia, Campinas, São Paulo CEP 13083-970, Brazil
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