Relevant bibliographies by topics / Animal Microbiology

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Animal Microbiology'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Animal Microbiology"

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Hird, D. W. "Microbiology of animals and animal products." Preventive Veterinary Medicine 12, no. 3-4 (March 1992): 313–14. http://dx.doi.org/10.1016/0167-5877(92)90059-o.

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Provost, A. "Microbiology of animals and animal products." Veterinary Microbiology 32, no. 1 (July 1992): 93–94. http://dx.doi.org/10.1016/0378-1135(92)90013-j.

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Murphy, Erin. "Microbiology of Animal Bites." Clinical Microbiology Newsletter 30, no. 7 (April 2008): 47–50. http://dx.doi.org/10.1016/j.clinmicnews.2008.03.001.

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Lawson, G. H. K. "Microbiology of animals and animal products. World of animal science series A, volume 6." British Veterinary Journal 148, no. 1 (January 1992): 87. http://dx.doi.org/10.1016/0007-1935(92)90074-b.

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Abrahamian, F. M., and E. J. C. Goldstein. "Microbiology of Animal Bite Wound Infections." Clinical Microbiology Reviews 24, no. 2 (April 1, 2011): 231–46. http://dx.doi.org/10.1128/cmr.00041-10.

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Thomas, Nicole, and Itzhak Brook. "Animal bite-associated infections: microbiology and treatment." Expert Review of Anti-infective Therapy 9, no. 2 (February 2011): 215–26. http://dx.doi.org/10.1586/eri.10.162.

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Maeda, Koki, Dai Hanajima, Sakae Toyoda, Naohiro Yoshida, Riki Morioka, and Takashi Osada. "Microbiology of nitrogen cycle in animal manure compost." Microbial Biotechnology 4, no. 6 (January 6, 2011): 700–709. http://dx.doi.org/10.1111/j.1751-7915.2010.00236.x.

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Flachowsky, Gerhard. "Rumen Microbiology." Animal Feed Science and Technology 113, no. 1-4 (March 2004): 253–54. http://dx.doi.org/10.1016/j.anifeedsci.2003.09.002.

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Denman, Stuart E., and Christopher S. McSweeney. "The Early Impact of Genomics and Metagenomics on Ruminal Microbiology." Annual Review of Animal Biosciences 3, no. 1 (February 16, 2015): 447–65. http://dx.doi.org/10.1146/annurev-animal-022114-110705.

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Gopi, M., R. Dhinesh Kumar, G. Prabakar, V. Beulah Pearlin, M. Shanmathy, and M. R. Purushotha. "Feed Microbiology: A Forsaken Piece in Animal Nutrition Puzzle." Asian Journal of Animal Sciences 11, no. 3 (April 15, 2017): 108–14. http://dx.doi.org/10.3923/ajas.2017.108.114.

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Dissertations / Theses on the topic "Animal Microbiology"

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Racicot, Bergeron Catherine. "Food animal reservoir for extraintestinal pathogenic «Escherichia coli» causing human infections." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=104886.

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Studies of extraintestinal infections caused by genetically related strains of Escherichia coli among unrelated people have demonstrated the epidemic potential of this group of bacteria. These related extraintestinal pathogenic E. coli (ExPEC) may have a common source. Our group recently described how retail meat, particularly chicken, may be a reservoir for ExPEC causing human urinary tract infections (UTIs). By moving upstream on the farm to fork continuum, this study tests whether the reservoir for ExPEC is in food animals themselves. A total of 824 geographically and temporally matched E. coli isolates from cecal contents of slaughtered food animals (n=349) and human UTI (n=475) sources were compared. Using 6 different typing methods, an evolutionary relationship was observed between E. coli isolates from the food animal reservoir and human UTI. Moreover, chicken was the predominant animal species from where the related isolates originated. Using an evolutionary model, chicken was determined to be the most likely source of the human UTI isolates. This study confirmed that an animal reservoir, principally in chicken, may exist for ExPEC causing community-acquired UTI.
Les études portant sur les infections extra-intestinales causées par des souches d'Escherichia coli génétiquement apparentées, chez des personnes non reliées entre elles, ont démontré le potentiel épidémique de ce groupe de bactéries. Ces souches d'E. coli pathogènes extra-intestinales (ExPEC) apparentées auraient possiblement une source commune. Notre groupe a récemment décrit comment la viande de détail, plus particulièrement le poulet, pourrait être un réservoir d'ExPEC responsables d'infections urinaires (IUs) chez les humains. En se déplaçant plus en amont dans le continuum de la ferme à la fourchette, cette étude teste si le réservoir d'ExPEC se trouve dans les animaux de production eux-mêmes. Un total de 824 isolats d'E. coli de provenances géographique et temporelle communes, prélevés dans le contenu caecal d'animaux abattus (n=349) et de cas d'IU humaine (n=475) ont été comparés. Par l'utilisation de 6 différentes méthodes de typage, une relation évolutionnaire a été observée entre les isolats d'E. coli provenant du réservoir animal et d'IU humaine. De plus, le poulet était l'espèce animale prédominante parmi les isolats parentés. L'utilisation d'un modèle évolutionnaire a permis de déterminer que le poulet est la source la plus probable des isolats d'IU humaine. Cette étude a confirmé qu'un réservoir animal, principalement chez le poulet, pourrait exister pour les ExPEC qui causent des IUs acquises en communauté.
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Albergaria, Furtado Semedo Miguel. "Animal Waste and Antibiotic Impacts on Microbial Denitrification in Terrestrial and Aquatic Ecosystems." W&M ScholarWorks, 2019. https://scholarworks.wm.edu/etd/1582642568.

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The global increase in livestock and poultry production observed in the last decades has led to an increase in animal waste generated. The animal waste contains high levels of nitrogen and may carry antibiotics that can disturb important microbial activities such as denitrification in terrestrial and aquatic ecosystems. Disturbances of microbial denitrification can have detrimental consequences to environmental health. In the terrestrial environment, denitrification is an important source and sink of N2O, a potent greenhouse gas in the atmosphere. In aquatic ecosystems, denitrification is a dominant NO3- removal pathway, contributing to prevent eutrophication. The overall goal of this dissertation is to evaluate the impacts of animal waste and potential antibiotic exposure on microbial communities responsible for denitrification in terrestrial and aquatic ecosystems. To achieve this goal, a combined approach of measuring activity rates and performing a molecular characterization of the microbial communities was used. In Chapter 2, the microbial community changes associated with the impacts of acute antibiotic exposure on denitrification were evaluated in soil microcosms. Antibiotic exposure caused a significant increase in N2O production from denitrification. This increase was paralleled with a greater ratio of fungi:bacteria abundance and lower abundances of particular taxa with N2O reduction capacity. In Chapter 3, the impacts of animal manure and antibiotic contamination on N2O fluxes and the abundance of denitrification genes were investigated in soil mesocosms. N2O fluxes in soils treated with manure fertilizer and tetracycline were considerably higher than in control soils. The manure fertilization and antibiotic exposure had diverse effects on different bacterial taxa responsible for N2O production. In Chapter 4, the denitrification activity and microbial community structure in tidal creek sediments impacted by wastewater discharge from a poultry processing plant were evaluated through a field survey and a microcosm experiment. Denitrification rates were inhibited in the location affected by the wastewater discharge. This decrease in denitrification activity was associated with changes in the microbial community structure, such as a lower relative abundance of bacterial taxa carrying denitrification genes and lower abundance of N2O reducing bacteria. In Chapter 5, the abundance and diversity of antibiotic resistance genes were evaluated in a tidal creek impacted by wastewater discharge from a poultry processing plant. The numbers of antibiotic resistance genes were higher in the location closer to the wastewater discharge, suggesting an historic antibiotic exposure associated with the activity of the poultry processing plant. Overall, this work provides new knowledge of the impacts of animal waste and antibiotics on N2O emissions in terrestrial ecosystems and microbial NO3- removal in aquatic ecosystems. This dissertation emphasizes the functional importance of microbial communities to ecosystem health and their responses to anthropogenic disturbance.
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Lenati, Raquel F. "Ecology, biological characterization and development of an animal model for Enterobacter sakazakii." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27876.

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Enterobacter sakazakii is an emerging foodborne pathogen which has been linked to a number of outbreaks associated with the consumption of powdered infant formula, especially in low-birth-weight and premature infants. Very little research has focused on molecular characterization of this organism and the mechanism(s) by which it causes disease in humans. In this study, a collection of 260 isolates of E. sakazakii were assessed by phenotypic and genotypic tests. The use of 16S rDNA analysis showed an 82% identity amongst the strains tested. Interestingly, 14 strains originally identified as E. sakazakii by phenotypic characterization, were found to be other species or genera. Among the molecular typing methods, pulsed-field gel electrophoresis was found to be more discriminatory than automated ribotyping. Furthermore, the theory that expressed human breast milk, if contaminated with E. sakazakii, would support E. sakazakii growth at 10, 23 and 37°C, was investigated. It was found that the intrinsically ascribed antimicrobial properties of breast milk do not appear to inhibit the growth of this foodborne pathogen in vitro. Lastly, we assessed six animal species to find an animal model that would be well suited to conduct further studies on the virulence of E. sakazakii infection. Young (chicks, gerbils, guinea pigs, pigs, rabbits) and neonatal (gerbils, rats) animals were orally challenged with E. sakazakii at a level of 109 cells. Of all the animal models tested, it appears that the neonatal gerbil may be most suitable for further studies.
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Sanders, Jon G. "Disentangling the Coevolutionary Histories of Animal Gut Microbiomes." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:17463127.

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Animals associate with microbes in complex interactions with profound fitness consequences. These interactions play an enormous role in the evolution of both partners, and recent advances in sequencing technology have allowed for unprecedented insight into the diversity and distribution of these associations. However, our understanding of the processes generating those patterns remains in its infancy. Here, I explore variation in microbiomes across two animal lineages—ants and mammals—to tease apart the role of these process in the evolution of gut microbiota. First, I explore patterns of phylogenetic correlation in gut microbiota of herbivorous Cephalotes ants and hominid apes. By examining the sensitivity of phylogenetic correlation to analytical parameters, I show that these outwardly similar patterns are likely to be the result of very different processes in each host lineage. Next, I examine in more depth the interacting effects of diet and phylogeny on the structure of baleen whale microbiomes. Whales consume a diet that differs dramatically from that of their closest extant relatives, the herbivorous artiodactyls. I use a combination of marker gene and shotgun metagenomic sequencing to show that a phylogentically conserved host trait, the multichambered gut, leads to functional and taxonomic similarities of whale gut microbiomes to those of their herbivorous ancestors via the fermentation of animal polysaccharides in the exoskeletons of their prey. Finally, I return to ants to examine how major shifts in the nature of gut microbial association correspond to host ecology. Using measures of absolute bacterial abundance, rather than diversity, I test the hypothesis that evolution of symbiosis with microbes has facilitated ants’ dominance of tropical rainforest canopies. Surprisingly, I find differences in the abundance of gut bacteria in different ant lineages that span many orders of magnitude, suggesting that evolutionary transitions in the functional role of symbiosis in this animal lineage correspond not only to changes in the diversity of these associations, but to changes in kind. The results of these studies help to clarify the roles of history and selection in structuring animal gut microbiota, hinting that the interaction of these factors may fundamentally differ between animal lineages.
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Curtis, Steven C. "Microbial Ecology of an Animal Waste-Fueled Induced Blanket Reactor." DigitalCommons@USU, 2006. https://digitalcommons.usu.edu/etd/5534.

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Use of an induced blanket reactor (IBR) to break down organic matter into methane is a financially attractive method to reduce the environmental impact of animal or industrial waste. In order to better understand the biological processes involved with the conversion of waste to biogas by an IBR, it is necessary to gain a better understanding of the microorganisms and their roles in the reactor. Molecular techniques based on the isolation of 16S rDNA were used in order to avoid the limitations posed by conventional culture-based techniques. Total DNA was extracted and amplified using universal primers specific to eubacteria and archaea with the purpose of identifying the dominant microorganisms in the IBR. The amplified DNA was separated based on its sequence composition by denaturing gradient gel electrophoresis (DGGE). Several bands were then excised, cloned, and sequenced, in order to characterize the phylogenetic affiliation of many of the microorganisms and create a useful molecular fingerprint. By using this approach, close relatives of several microorganisms that are typical in anaerobic digestion have been identified, including species of Clostridium, Flavobacterium, Bacteroides, Spirochaeta, Methanobrevibacter, and Methanosarcina. Several species were also identified whose role in the reactor is not completely understood, consisting of relatives of Dehalococcoides, Planctomyces, Aequorivita, and Sedimentibacter species. The information obtained in this project may enable refinements that promote desirable reactions and enhance reactor efficiency.
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Chen, Lei. "The impact of herbal saponins on gut microflora in animal models." HKBU Institutional Repository, 2014. https://repository.hkbu.edu.hk/etd_oa/55.

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Human gut harbors 100 trillion microbial organisms that is intrinsically linked to individual’s health and diseases, including cancer. Food fiber and phytochemicals such as polyphenols are considered as prebiotic-like dietary modifiers. They can influence the gut microbial communities, and in turn to modulate disease outcome and drug responses of the host. Saponins belong to a family of phytochemicals commonly found in many medicinal and edible plants. Herbal saponins have raised keen interest among scientists for their health-promoting effects, but have not been investigated for their potential as prebiotics. Gynostemma pentaphyllum (Gp) is riched in triterpenoid saponins and has been consumed in China and other part of the world as an herbal tea and as a folk medicine. In our lab, we have demonstrated that Gp possesses strong anticancer and anti-inflammatory effects. Whether Gp possesses prebiotic property and whether gut microbiota plays any part of the anticancer effect of Gp are the questions addressed in the present study. Thus, we hypothesized that Gp saponins (GpS) might modulate the gut microbiota, which in turn enhance its anticancer activities. In the study, the gut microbiome analysis were carried out using two main techniques, neamly the enterobacterial repetitive intergenic consensus (ERIC-PCR) and 16S pyrosequencing approaches. Both xenograft nude mice and Apcmin/+ mice were employed as the animal models to investigate the interaction between the herbal saponins and the gut microbiota in the host. Athymic nude mice have been employed for tumorigenic research for decades, however, the relationships between the gut microbiome and host’s response to the grafted tumors and drug treatments are unexplored. For the first part of the thesis, we investigated the relationship between the gut microbiota and grafted tumor in the nude mice under the treatment of Gp saponins. Partial least squared discriminant analysis (PLS-DA) of ERIC-PCR data showed that the microbiota profile of xenograft nude mice departed from that of the nonxenograft mice. However, prolonged treatment of GpS seems to realign the fecal microbiota with the pretreatment control. Pyrosequencing data reiterated the differences in fecal microbiome between the nonxenograft and xenograft animals. GpS treatment had a much stronger impact on the phylotypes of the xenograft than the nonxenograft mice. In addition, GpS treatment markedly induced the relative abundance of Clostridium cocleatum and Bacteroides acidifaciens, for which the beneficial effects on the host have been well documented. ApcMin/+ colorectal cancer mouse model was further employed for the investigation of the association of the gut microbiota and cancer occurred inside the gut, which was a more direct site to interact with the gut microbiota. In the ApcMin/+ mouse model, we found distinct difference of fecal microbiome between the ApcMin/+ and the wild-type littermates. GpS treatment significantly reduced the number of intestinal polyps. GpS also increased the ratio of Bacteroidetes/Firmicutes and reduced the sulfate- and sulfur-reducing bacteria lineage and potential opportunistic pathogens, which might cause certain deleterious effects to the host. The impact of GpS on the gut mucosal environment was also examined. We found GpS treatment improved the gut barrier function by increasing the numbers of Paneth cells, goblet cells, up-regulating the expression of E-cadherin and down-regulating the expression of N-cadherin in the intestine. In addition, GpS treatment down-regulated the protein expression of beta-catenin and p-STAT3. Furthermore, higher levels of anti-inflammatory and tissue repair-related cytokines as well as Arginase I, but lower level of iNOS expression were found in GpS-treated ApcMin/+ mice, indicating increased anti-inflammatory macrophage phenotype M2 (associated with tissue repair) and reduced proinflammatory phenotype M1. Furthermore, in addition to GpS, other herbal saponins also showed prebiotic-like effects in C57BL/6 mice. In summary, this study provides first hand evidence for the impact of herbal saponins on the gut microbial ecosystem and new insight into mechanisms responsible, at least in part, for the activities of GpS. We demonstrate that tumor growth induce intestinal dysbiosis. GpS treatment can inhibit tumor progression and concurrently alter the microbiome by increasing symbionts and/or decreasing pathobionts, which may contribute to its chemopreventive effect against tumorigenesis. Herbal saponins showing prebiotic-like effects may be used for improving the health of the host by manipulation of the gut microbiota.
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Cole, Stephen Douglas. "Genetic Diversity of the Pathogen Streptococcus parauberis Isolated from Bovine and Piscine Hosts." W&M ScholarWorks, 2011. https://scholarworks.wm.edu/etd/1539626906.

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Eckstrom, Korin. "Evaluating The Resistome And Microbial Composition During Food Waste Feeding And Composting On A Vermont Poultry Farm." ScholarWorks @ UVM, 2018. https://scholarworks.uvm.edu/graddis/886.

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While commonly thought of as a waste product, food scraps and residuals represent an important opportunity for energy and nutrient recapture within the food system. As demands on production continue to increase, conservation of these valuable resources has become a priority area. In the wake of new legislation in Vermont, Act 148, the Universal Recycling Law, the fate of microbial species in food waste, scraps and residuals is increasingly important. The presence of antimicrobial resistance genes in all types of foods calls for an increased need to estimate risk of antibiotic resistance transfer and maintenance across all segments of food production and distribution systems, from farm to fork. Specifically, the fate of antibiotic resistance genes (ARGs) in these co-mingled food wastes has not been sufficiently characterized; as legislative programs increase in popularity, surveillance of these materials is pressing and should be documented to assess the risk and potential measures for mitigation and management as we approach commercial scales of implementation Previous studies have relied on a combination of targeted techniques, such as 16S rRNA sequencing and qPCR on a specific subset of ARGs; however, these may not cover the full extent of resistance or microorganisms of concern in any given sample. As sequencing technologies improve and costs continue to drop, more comprehensive tools, such as shotgun metagenomic sequencing, can be applied to these problems for both surveillance and novel gene discovery. In this study, we leveraged the increased screening power of the Illumina HiSeq and shotgun metagenomic sequencing to identify and characterize ARGs, microbial communities, and associated virulence factors of food scraps, on-farm composts, and several consumer products. Isolates were also screened for antibiotic resistance to demonstrate the functionality of ARGs identified. The resistome, microbiome, and virulence genes were characterized in all samples. Fifty unique ARGs were identified that spanned 8 major drug classes. Most frequently found were genes related to aminoglycoside, macrolide, and tetracycline resistance. Additionally, 54 distinct virulence factors and 495 bacterial species were identified. Virulence factors were present across the farm setting and mainly included gene transfer mechanisms, while bacteria clustered distinctly into site and farm, as well as separate on farm niches. The relationship between these categories was also assessed by both Pearson correlation and co-inertia analysis, with the most significant relationship being between ARGs and virulence factors (P = 0.05, RV = 0.67). While limited in this study, these patterns reinforce the finding that spread of antibiotic resistance genes may be dependent on the virulence factors present enabling transfer, rather than total microbial community composition.
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Mandal, Rabindra Kumar. "Genetic Determinants of Salmonella and Campylobacter Required for In Vitro Fitness." Thesis, University of Arkansas, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10249279.

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Non-typhoidal Salmonella (NTS) and Campylobacter play a major role in foodborne illness caused by the consumption of food contaminated by pathogens worldwide. A comprehensive understanding of the genetic factors that increase the survival fitness of these foodborne pathogens will effectively help us formulate mitigation strategies without affecting the nutrition ecology. The objective of this study was to identify the genetic determinants of Salmonella and Campylobacter that are required for fitness under various in vitro conditions. For the purpose, we used a high throughput Transposon sequencing (Tn-seq) that utilizes next generation sequencing (NGS) to screen hundreds of thousands of mutants simultaneously. In Chapter 1, we reviewed the technical aspects of different Tn-seq methods along with their pros and cons and compressive summary of recently published studies using Tn-seq methods. In Chapter 2, we exposed complex Tn5 library of Salmonella Typhimurium 14028S (S. Typhimurium) to the mimicked host stressors in vitro conditions. Such as low acidic pH (pH 3) found in the stomach, osmotic (3% NaCl) and short chain fatty acid (SCFAs, 100 mM Propionate) found in intestine, and oxidation (1mM H2O2) and starvation (12-day survival in PBS) found in macrophage. There was an overlapping set of 339 conditionally essential genes (CEGs) required by S. Typhimurium to overcome these host stressors. In Chapter 3, we screened of S. Typhimurium Tn5 library for desiccation survival. Salmonella spp. is the most notable and frequent cause of contamination in low-water activity foods. We identified 61 genes and 6 intergenic regions required for fitness during desiccation stress. In Chapter 4, the essential genome of Campylobacter jejuni (C. jejuni) NCTC 11168 and C. jejuni 81-176 was investigated using Tn-seq. We identified 166 essential protein-coding genes and 20 essential transfer RNA (tRNA) in C. jejuni NCTC 11168 which were intolerant to Tn5 insertions during in vitro growth. The reconstructed library C. jejuni 81-176 had 384 protein coding genes with zero Tn5 insertions. The genetic determinants Salmonella and Campylobacter identified in this study have high potential to be explored as food safety intervention, therapeutic and vaccine target to curb the spread of the foodborne pathogens making world a safer place.

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Fitzgerald, Collette Catherine. "The use of high resolution genotyping techniques to investigate the genotypic diversity of Campylobacter spp. isolated from human, animal and environmental sources." Thesis, Lancaster University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264781.

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Books on the topic "Animal Microbiology"

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Sidorenko, Oleg, and Ekaterina Zhukova. Technical Microbiology of animal products. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1071400.

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The textbook examines the role of microorganisms in shaping the quality of animal products, describes the microorganisms that affect the quality of food and processes caused by technically and technologically important microflora. The basic principles of microbiological control of milk and meat processing products production are described. The second edition focuses on the quality and safety of food products of animal origin. The material has been reworked and supplemented with the results of recent research, which can be used in the training program for microbiologists in food technology. Meets the requirements of Federal state educational standards of higher education of the latest generation. For students studying in biological specialties, agricultural technologists in the profile "Technology of production, storage and processing of animal products" and in the areas of training 35.03.07 "Technology of production and processing of agricultural products", 19.03.03, 19.04.03 "food of animal origin".
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missing], [name. Microbial food safety in animal agriculture: Current topics. Ames, IO: Iowa State University Press, 2003.

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S, Makkar Harinder P., and Food and Agriculture Organization of the United Nations, eds. Quality assurance for microbiology in feed analysis laboratories. Rome: Food and Agriculture Organization of the United Nations, 2013.

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Carter, G. R. Essentials of veterinary microbiology. 5th ed. Baltimore: Willians & Wilkins, 1995.

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Songer, J. Glenn. Veterinary microbiology: Bacterial and fungal agents of animal disease. St. Louis, Mo: Elsevier Saunders, 2005.

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Eloyes, Hill, ed. Microbiology for veterinary technicians. Goleta, Calif: American Veterinary Publications, Inc., 1991.

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Ricke, Steven C. Perspectives on food-safety issues of animal-derived foods. Fayetteville: University of Arkansas Press, 2010.

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Perspectives on food-safety issues of animal-derived foods. Fayetteville: University of Arkansas Press, 2010.

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Waldron, L. A. (Lucy A.) and ebrary Inc, eds. The living gut. 2nd ed. Nottingham: Nottingham University Press, 2008.

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Kislenko, Viktor, and Tatyana Dyachuk. Food Microbiology microbiological safety of raw materials and products of animal and vegetable origin. ru: INFRA-M Academic Publishing LLC., 2017. http://dx.doi.org/10.12737/23908.

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Book chapters on the topic "Animal Microbiology"

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Jay, James M. "Foodborne Animal Parasites." In Modern Food Microbiology, 611–40. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-6480-1_24.

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Jay, James M. "Foodborne Animal Parasites." In Modern Food Microbiology, 566–94. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-7473-6_26.

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Jay, James M. "Foodborne Animal Parasites." In Modern Food Microbiology, 566–94. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-7476-7_26.

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Jay, James M. "Foodborne Animal Parasites." In Modern Food Microbiology, 569–94. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4427-2_29.

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Ellis, Richard J., and Christopher S. McSweeney. "Animal Gut Microbiomes." In Manual of Environmental Microbiology, 4.4.3–1–4.4.3–7. Washington, DC, USA: ASM Press, 2015. http://dx.doi.org/10.1128/9781555818821.ch4.4.3.

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Ellis, William A. "Animal Leptospirosis." In Current Topics in Microbiology and Immunology, 99–137. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45059-8_6.

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Gronthoud, Firza Alexander. "Animal Bites." In Practical Clinical Microbiology and Infectious Diseases, 129–33. First edition. | Boca Raton : CRC Press, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9781315194080-4-2.

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Hernot, David, Eva Ogué, George Fahey, and Robert A. Rastall. "Prebiotics and Synbiotics in Companion Animal Science." In Therapeutic Microbiology, 357–70. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555815462.ch27.

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Hansen, Axel Kornerup. "Microbiology and Microbiome." In Experimental Design and Reproducibility in Preclinical Animal Studies, 77–104. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66147-2_4.

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Niewiesk, S. "Current Animal Models: Cotton Rat Animal Model." In Current Topics in Microbiology and Immunology, 89–110. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-70617-5_5.

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Conference papers on the topic "Animal Microbiology"

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Han, Xiao, Yan Zhuang, Ke Pan, Mengchuan Zhang, Liping An, Guangyu Xu, and Yingnan Zhang. "Practice and exploration of teaching reform of the pharmaceutical microbiology in pharmaceutical education." In 2015 International Conference on Food Hygiene, Agriculture and Animal Science. WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813100374_0019.

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Gnoatto, Eduarda Socovoski, Vitoria Karolini Betim Fieldkircher Caus, Cristian Ferreira Corona, Letiére Cabreira Soares, and Dalila Moter Benvegnú. "EFEITO ANTIMICROBIANO DE COMPOSTOS TRIAZÓLICOS EM CEPAS DE Staphylococcus aureus ISOLADAS DE CASOS DE MASTITE EM BOVINOS." In I Congresso Nacional de Microbiologia Clínica On-Line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1198.

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Introdução: A mastite bovina é a principal enfermidade da indústria leiteira mundial, a qual desencadeia um processo inflamatório na glândula mamária de bovinos. Esta doença é causada principalmente por bactérias, que predominam devido às más condições higiênico-sanitárias no ambiente e péssimas condições de saúde dos animais. O uso indiscriminado de antibióticos em rebanhos leiteiros tem gerado aumento da resistência bacteriana, dificultando o tratamento dessa doença, o que por sua vez acaba prejudicando o bem-estar do animal e a qualidade do leite produzido. E, dentre as diversas bactérias pode ser citado o Staphylococcus aureus, que se destaca devido á sua resistência. À vista disso, pesquisas têm buscado alternativas para tratamento desta doença, os quais não acarretem mais resistência bacteriana. Um exemplo disto é a utilização de compostos triazólicos e seus derivados, que se destacam na área de química medicinal e podem ser usados para a síntese de vários compostos heterocíclicos com diferentes atividades biológicas como: antiviral, antibacteriana, antifúngica e antituberculose. Objetivo: Realizar uma revisão da literatura sobre ação antimicrobiana de compostos triazólicos sobre S. aureus. Métodos: Foi realizada uma revisão bibliográfica no banco de dados Scholar Google no qual foram selecionados trabalhos entre os anos de 2008 e 2020 com um nº de 16, cujos termos utilizados foram: "triazol", "antimicrobial" e "S. aureus". Resultado: Os métodos mais utilizados para avaliação da atividade antimicrobiana foram Difusão em poço e Concentração Inibitória Mínima. Os compostos derivados de triazol, em todos os estudos apresentaram efeito antimicrobiano significativo em relação às cepas de S. aureus. Alguns trabalhos relataram que geralmente a presença de qualquer substituinte no anel benzeno presente no composto levou ao aumento da atividade antimicrobiana frente a todas as cepas bacterianas testadas. Além disso, foi demonstrado que a presença de átomos ou grupos que retiram ou doam elétrons nas posições orto ou para em relação à fenila ligada ao triazol é capaz de aumentar a atividade antibacteriana desses compostos. Conclusão: Por meio da revisão bibliográfica deste estudo, observou-se que os compostos derivados de triazol têm sido relatados por apresentarem notável efeito antimicrobiano em cepas de S. aureus.
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Valentim, Francisco das Chagas Diassis Jácome, Sâmya Pires Batista De Azevêdo, Thayonara Irineu Da Costa, and Jamile Rodrigues Cosme De Holanda. "FATORES QUE PROPICIAM A INFECÇÃO POR CLOSTRIDIUM TETANI: UMA REVISÃO DE LITERATURA." In I Congresso Nacional de Microbiologia Clínica On-Line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1180.

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Introdução: A bactéria Clostridium tetani, é um habitante natural do solo e encontrada nas fezes humanas e de animais domésticos, sendo mais conhecido como o agente causador do Tétano. Ela libera suas neurotoxinas transmissíveis que irão, posteriormente, cessar a neurotransmissão inibitória. E assim, podendo causar rigidez, espasmos musculares e disfunção autonômica em pessoas infectadas. Objetivos: Reunir evidências científicas a respeito da bactéria Clostridium tetani e os fatores que propiciam a sua possível infecção, bem como o tratamento ideal. Material e Métodos: Foi realizado por meio da revisão bibliográfica e relatos de caso, entre os anos de 2011 e 2020, por meio dos bancos de dados: SCIELO e MEDLINE. Resultados: Diante a realização da pesquisa, foi evidenciado que a areia, galhos, arbustos, instrumentos de lavoura, fezes de animais ou humanas, são ambientes que, em contato com algum ferimento, propiciam a infecção por Clostridium tetani. Outras pesquisas e relatos, ainda destacam também a existência desse agente infeccioso em metais enferrujados, sendo esse, o ambiente mais comum e fácil para o contágio do ser humano. Portanto, a criança ou adulto, pode se infectar tanto através de superfícies enferrujadas quanto o contato direto com o solo. Segundo dados epidemiológicos a maior incidência de tétano é acidental, através de um corte ou laceração de um material metálico enferrujado, variando de 500 mil a 1 milhão de casos no mundo, mesmo havendo a realização da vacina contra difteria, tétano e Coqueluche (DTP) antes dos dois meses de idade ou feita a reposição antitetânica quando adulto. Quando desenvolvida a infecção, a abordagem terapêutica ideal para o seu tratamento consiste, inicialmente, na limpeza do ferimento e antibioticoterapia. Em casos graves contabilizando: rigidez, espasmos musculares e a disfunção autonômica, realiza-se: sedação, bloqueio neuromuscular e suporte ventilatório. Conclusão: Tem-se que os objetos metálicos enferrujados e o contato de feridas com o solo, são as formas mais propícias à infecção pelo C. tetani. Seguidos do descuido com o protocolo imunização da vacina antitetânica.
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Caus, Vitoria Karolini Betim Fieldkircher, Naiara Vitoria Ferreira Cortes Koprovski, Cristian Ferreira Corona, Carla Munique Aparecida Garda, and Dalila Moter Benvegnú. "AÇÃO ANTIMICROBIANA DE ÓLEOS DE SEMENTES FRENTE A CEPAS DE STAPHYLOCOCCUS AUREUS." In I Congresso Nacional de Microbiologia Clínica On-Line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1199.

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Introdução: O crescente aumento da resistência bacteriana frente a múltiplas drogas se deve ao uso indiscriminado de antibióticos e tem causado preocupações quanto ao tratamento de doenças infecciosas em humanos e animais. Neste sentido, uma das bactérias que merece destaque, por conta de sua resistência a antibióticos, ampla incidência e alto potencial de contágio entre humanos e animais é o Staphylococcus aureus. Diante disso, buscam-se alternativas para o tratamento de doenças de origem infecciosa, as quais sejam eficazes, porém sem aumentar a resistência bacteriana. Deste modo, os óleos vegetais são um exemplo viável, tendo em vista sua disponibilidade, baixo preço e presença de compostos bioativos com efeitos antimicrobianos que não induzem resistência bacteriana. Objetivo: realizar uma revisão da literatura acerca de óleos obtidos a partir de sementes e sua ação antimicrobiana frente a S. aureus. Método: Foi realizada uma revisão da literatura por meio do banco de dados Scholar Google, no qual foram selecionados trabalhos entre os anos de 2011 e 2021 com um nº de 31, cujas palavras-chave utilizadas foram: "seed oil", "antimicrobial" e "S. aureus". Resultados: Os métodos mais utilizados para avaliação da atividade antimicrobiana foram Difusão em poço, Concentração Inibitória Mínima e Concentração Bactericida Mínima. Os óleos encontrados foram os da semente de Azadirachta indica, Laurus nobilis, Linum usitatissimum, Citrus sinensis, Mangifera indica, Capsicum frutescens, Capsicum frutescens, Cucurbita moschata, Syagrus coronata, Cucurbita argyrosperma, Hypericum scabrum, entre outros. Em todos os estudos foram verificados efeitos antimicrobianos frente a S. aureus, inclusive alguns relataram tal efeito em cepas resistentes à Meticilina (MRSA), como é o caso dos óleos de Nigella sativa, Myristica fragrans e Syagrus coronata. Além disso, esses efeitos foram atribuídos ao teor de ácidos graxos encontrados nos óleos, compostos esses capazes de interferir na membrana celular bacteriana degenerando-a. Alguns estudos ainda relataram que a atividade antibacteriana dos óleos depende da correlação com a concentração dos principais compostos ativos, indicando a necessidade de isolamento dos mesmos. Conclusão: Os óleos obtidos a partir de sementes demonstram efeitos antimicrobianos apreciáveis e, portanto, estudos farmacológicos são necessários para um melhor entendimento acerca de seu mecanismo de ação.
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Ribeiro, Antonia Francisca Santos. "CONTAMINAÇÃO E O USO DE ANTIMICROBIANOS EM ALIMENTOS: POSSIVEIS CAUSA DE RESITÊNCIA MICROBIANA." In I Congresso Nacional de Microbiologia Clínica On-Line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1173.

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Introdução: Estudos mostram possíveis causas de resistência microbiana que está relaciona com a contaminação de alimentos e a aplicação de antimicrobianos em animais como aves e suínos para consumo humano. Metodologia: Fez-se um levantamento de revisão de literatura nas bases de dados: Scielo, Lilacs e Google acadêmico. Resultado e Discussão: Na análise de dados, verificou-se grandes fontes de contaminação através de microrganismos como bactérias, fungos protozoários e parasitas. Muitas fontes de contaminação foram encontradas, como por exemplo: água de rios poluídos que é utilizado por áreas de cultivos, má higienização de abatedouros, fatores socioeconômicos como o aumento de desemprego, que aumenta o número de vendedores de barraquinhas de comidas nas ruas, a crescente venda de alimentos em feiras livres, a facilidade de distribuição de alimentos industrializados, a exportação para outros países e o crescente consumo de alimentos nas ruas por pessoas que não tem tempo de comer em casa tem se tornado grandes fontes de contaminação alimentar, a ingestão de alimentos crus como maionese caseira tem ocasionado vários quadros de doenças e infecções alimentares . A aplicação de microrganismos para engordar aves e suínos tem sido vantajoso para os produtores de alimentos, porém tem sido uma das grandes causas de aumento de resistência microbiana. Conclusão: A grande demanda de produção de alimentos tem elevado a contaminação de alimentos e analisou-se que ocorrem principalmente em países subdesenvolvidos. Haja vista são fatores preocupantes para a saúde pública. Pode-se concluir então que é necessária ações como mais fiscalização sanitária sobre esses locais que produzem e vendem alimentos.
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Canelas, Vitória Luciana Paiva, Alessandro Henrique Nascimento, Ana Júlia Vieira Da Silva Platilha, Bianca Pimentel Borges, Kássia Alany Girard Cardias, and William Franklim Da Silva Alves. "EXAMES MICROBIOLÓGICOS DE FELINO ACOMETIDO POR KLEBSIELLA SPP. NO HOSPITAL VETERINÁRIO MÁRIO DIAS TEIXEIRA (HOVET-UFRA)." In I Congresso On-line Nacional de Clínica Veterinária de Pequenos Animais. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1875.

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Introdução: O diagnóstico de bactérias resistentes, como a Klebsiella spp., necessita da realização de exames laboratoriais. Essa bactéria, pertencente à família Enterobacteriaceae, é capaz de inibir a fagocitose por meio da produção de material capsular abundante, prolongando sua sobrevivência no ambiente intracelular. Objetivos: O objetivo deste trabalho foi realizar exames microbiológicos, como cultura bacteriana e antibiograma, a fim de identificar a presença de uma bactéria em uma amostra, registrando suas características morfológicas, microbiológicas e bioquímicas. Materiais e Métodos: O material foi coletado de um felino doméstico de um ano de idade no Hospital Veterinário Mário Dias Teixeira (HOVET-UFRA) em Belém, Pará, o paciente apresentava uma ferida cutânea sem remissão, com tempo de evolução de 5 meses, a lesão media 10 cm de comprimento por 4 cm de largura, com bordos delimitados, superfície ulcerada e serosanguinolenta. Foi solicitada cultura bacteriana e antibiograma da lesão. As amostras foram coletadas após a limpeza com solução fisiológica estéril, realizando-se a coleta por meio de escarificação com o auxílio de um swab estéril para análise no laboratório de microbiologia da universidade. Foram utilizadas técnicas laboratoriais para o cultivo microbiológico e para provas bioquímicas. Resultados: Como resultado foi detectado o crescimento de colônias do gênero Klebsiella spp. nos meios de Ágar Sangue ovino a 5% e Ágar MacConkey após 24 horas. Dentre as propriedades que permitem a identificação de Klebsiella spp. entre os gêneros de enterobactérias, estão as características morfológicas das colônias que são mucoides, não hemolíticas e fermentadoras de lactose. As provas bioquímicas apresentaram resultados de motilidade negativa, citrato positivo (utilização de citrato como fonte de carbono), lisina positiva, uréia negativa, H₂S negativo, tríplice açúcar ferro (TSI) com fermentação de glicose, lactose, sacarose e com produção de gás, concordando com a literatura descrita para Klebsiella spp. Na análise do antibiograma a bactéria apresentou sensibilidade à gentamicina, azitromicina, norfloxacina, ciprofloxacina, cefotaxima e amoxicilina com clavulanato e resistência à ampicilina e sulfametoxazol com trimetoprim. Conclusão: Concluímos que por meio da interpretação dinâmica dos testes microbiológicos, bioquímicos e antibiograma foi possível identificar a Klebsiella spp. na amostra, demonstrando a eficácia dos testes na detecção de infecções bacterianas.
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Sfalcin, Inaê Carolina. "QUALIDADE MICROBIOLÓGICA DA ÁGUA SUBTERRÂNEA CONSUMIDA NA ZONA RURAL: UMA QUESTÃO DE SAÚDE PÚBLICA." In I Congresso Nacional de Microbiologia Clínica On-Line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1172.

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Introdução: O abastecimento hídrico na zona rural ocorre, em grande parte, pela captação de água subterrânea em poços domiciliares. Nesses locais, é comum que a água consumida não seja submetida à análises microbiológicas e tratamento, tornando-se um importante fator de risco na ocorrência de doenças diarreicas de natureza infecciosa, uma vez que os solos rurais estão intensamente sob o uso agrícola, pecuário e expostos aos despejos domésticos. Bactérias do grupo coliforme são indicadoras de contaminação por microrganismos patogênicos de veiculação hídrica. Objetivo: Avaliar a qualidade microbiológica da água de um poço artesiano que abastece oito famílias, na comunidade rural de São João das Missões, São Miguel das Missões, Rio Grande do Sul. Material e Métodos: O poço artesiano em estudo possui 140 m de profundidade e, em um raio de 100 m no seu entorno, há criação de animais (bovinos, suínos, aves), lavoura cultivada, esgoto doméstico e domicílios. Amostras de água foram coletadas in loco, em dois eventos com um ano de intervalo, seguindo a metodologia da American Public Health Association para águas subterrâneas. Verificou-se qualitativamente coliformes totais e a bactéria Escherichia coli em 100 ml de amostra sob uso de substrato cromogênico Collitest® , em triplicata, para detecção: após 24 horas de incubação à 35ºC, a presença de coliformes totais por indicativo de mudança de coloração da amostra e após 48 horas de incubação a 35 ºC, a presença de E. coli, através de leitura da coloração da amostra sob luz ultravioleta. Resultados: A análise microbiológica apontou presença de coliformes totais em 100% das amostras e E. coli ausente, em ambos eventos amostrais, demonstrando que não houve alteração na qualidade da água após um ano. Conclusão: A água do poço artesiano em estudo possui padrão microbiológico alterado de acordo com a Portaria nº 2.914/2011, do Ministério da Saúde, e oferece potencial risco à saúde dos consumidores locais, representando a problemática do saneamento básico rural. O tratamento de desinfecção e o monitoramento da qualidade desta água são sugeridos, até que se obtenham resultados satisfatórios para os padrões microbiológicos seguros ao consumo humano.
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Santos, Edson Moura dos, and Marcia Helena Braga Catroxo. "ROTAVÍRUS BOVINO. DETECÇÃO POR TÉCNICAS DE MICROSCOPIA ELETRÔNICA DE TRANSMISSÃO." In I Congresso Nacional de Microbiologia Clínica On-line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1629.

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Introdução. O rotavírus, classificado na família Reoviridae, gênero Rotavirus, é a principal causa de diarreia em bovinos, acomete também diversos outros animais inclusive os humanos. Importante síndrome que afeta rebanhos bovinos de corte e leite em todo o mundo, causando graves prejuízos econômicos à bovinocultura. O vírus causa uma infecção altamente contagiosa, caracterizada por vômitos, anorexia, prostração, diarreia de consistência pastosa à líquida de cor variável e desidratação. Apresenta altos índices de morbidade e mortalidade, além de reduzir o ganho de peso e aumentar os custos da produção. Objetivo. Diagnóstico rápido do rotavírus bovino por microscopia eletrônica de transmissão. Materiais e Métodos. No período de 2011 a 2021, aproximadamente 430 amostras de fezes bovinas ou fragmentos de intestino delgado de casos clínicos foram enviadas ao Laboratório de Microscopia Eletrônica do Instituto Biológico de São Paulo, SP, Brasil, para diagnóstico viral. As amostras foram processadas para microscopia eletrônica de transmissão utilizando as técnicas de contrastação negativa (preparo rápido), imunomicroscopia e de imunocitoquímica. Na contrastação negativa, as amostras foram suspensas em tampão fosfato 0,1 M e pH 7,0, colocadas em contato com grades metálicas e contrastadas negativamente com molibdato de amônio a 2%. Na técnica de imunomicroscopia, as telas foram incubadas com anticorpo específico para o vírus e com gotas do antígeno. Após, as telas foram contrastadas com molibdato de amônio 2%. Na imunocitoquímica, as telas foram incubadas com a suspensão viral e com gotas do anticorpo primário. Em seguida, as grades foram incubadas em gotas de proteína A em associação com partículas de ouro coloidal (anticorpo secundário) e contrastadas com molibdato de amônio a 2%. Resultados. Ao microscópio eletrônico de transmissão, pela técnica de contrastação negativa foi visualizado um grande número de partículas de rotavírus, arredondadas, não envelopadas, icosaédricas, caracterizadas como partículas “completas” e “vazias”, medindo em média 70 nm de diâmetro em 51 amostras (11,8%). A presença de agregados formados pela interação antígeno-anticorpo caracterizou o resultado positivo obtido, na imunomicroscopia. Na técnica de imunocitoquímica, a reação antígeno-anticorpo foi evidenciada pelas partículas de ouro coloidal sobre os rotavírus. Conclusão. As técnicas utilizadas foram eficientes para o diagnóstico rápido dos rotavírus bovinos.
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