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https://www.readbyqxmd.com/read/29780584/opening-the-black-box-of-spring-water-microbiology-from-alpine-karst-aquifers-to-support-proactive-drinking-water-resource-management
#1
REVIEW
Domenico Savio, Philipp Stadler, Georg H Reischer, Alexander K T Kirschner, Katalin Demeter, Rita Linke, Alfred P Blaschke, Regina Sommer, Ulrich Szewzyk, Inés C Wilhartitz, Robert L Mach, Hermann Stadler, Andreas H Farnleitner
Over the past 15 years, pioneering interdisciplinary research has been performed on the microbiology of hydrogeologically well-defined alpine karst springs located in the Northern Calcareous Alps (NCA) of Austria. This article gives an overview on these activities and links them to other relevant research. Results from the NCA springs and comparable sites revealed that spring water harbors abundant natural microbial communities even in aquifers with high water residence times and the absence of immediate surface influence...
May 2018: WIREs. Water
https://www.readbyqxmd.com/read/29773926/comparative-analysis-of-airborne-bacteria-and-fungi-in-two-salt-mines-in-poland
#2
Elżbieta Gębarowska, Wojciech Pusz, Jolanta Kucińska, Włodzimierz Kita
The aim of this work was to determine the genera or species composition and the number of colony forming units of airborne bacteria and fungi, respectively, in two salt mines in Poland "Wieliczka" (Lesser Poland) and "Polkowice-Sieroszowice" (Lower Silesia). Both of them are working environments characterized by extreme conditions, and additionally "Wieliczka," officially placed on the UNESCO World Heritage Sites' list, plays a role of tourist attraction. There are also some curative chambers located in this mine...
2018: Aerobiologia
https://www.readbyqxmd.com/read/29757583/what-immunological-defects-predispose-to-non-tuberculosis-mycobacterial-infections
#3
Esmaeil Mortaz, Milad Moloudizargari, Mohammad Varahram, Mehrnaz Movassaghi, Johan Garssen, Mehdi Kazempour Dizagie, Mehdi Mirsaeidi, Ian M Adcock
Nontuberculous mycobacteria (NTM) are categorized as one of the large and diverse groups of environmental organisms which are abundant in water and soil.  NTM cause a variety of diseases in humans that mainly affect the lung. A predisposition to pulmonary NTM is evident in patients with parenchymal structural diseases including bronchiectasis, emphysema, tuberculosis (TB), cystic fibrosis (CF), rheumatologic lung diseases and other chronic diseases with pulmonary manifestations. Lung infections are not the only consequences of being infected by NTM as they can also infect skin and soft tissue and may also cause lymphadenitis (predominantly in young children) and disseminated disease in human immunodeficiency virus (HIV)-infected patients or those with severely compromised immune system...
April 2018: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29754085/effects-of-haze-pollution-on-microbial-community-changes-and-correlation-with-chemical-components-in-atmospheric-particulate-matter
#4
Yujiao Sun, Shangwei Xu, Danyang Zheng, Jie Li, Hezhong Tian, Yong Wang
In this study, particulate matter (PM) with aerodynamic diameters of ≤2.5 and ≤10 μm (PM2.5 and PM10 , respectively), which was found at different concentrations in spring, was collected in Beijing. The chemical composition and bacterial community diversity of PM were determined, and the relationship between them was studied by 16S rRNA sequencing and mathematical statistics. Chemical composition analysis revealed greater relative percentages of total organic compounds (TOC) and secondary ions (NO3 - , SO4 2- , and NH4 + )...
May 10, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29710561/fungistatic-activity-of-composts-with-the-addition-of-polymers-obtained-from-thermoplastic-corn-starch-and-polyethylene-an-innovative-cleaner-production-alternative
#5
Monika Mierzwa-Hersztek, Katarzyna Gleń-Karolczyk, Krzysztof Gondek
Compost extracts with the addition of polymers obtained from thermoplastic corn starch and polyethylene are novel organic amendments, which can be typically applied to suppress soil-borne diseases. Considering the diversity of biologically active substances, including those growth-promoting and stabilizing various pathogens contained in extracts, composts have a large potential to successfully replace the massively used pesticides. The effect of various concentrations of water compost extracts with the addition of polymers obtained from thermoplastic corn starch and polyethylene on the linear growth, biomass, and sporulation of the following polyphagous fungi was assessed under in situ and in vitro conditions: Fusarium culmorum (W...
April 22, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29706736/deep-invasive-fungal-infection-of-the-hand-in-a-child-mimicking-a-local-gigantism
#6
Anirban Chatterjee, Shamita Chatterjee
Subcutaneous and deep fungal infections in the hand are rare among children. These are usually found in immunocompromised adults or in persons engaged in soil handling activities, due to direct exposure, especially in the tropics. Delay in diagnosis is usual because pyogenic and other granulomatous infections are considered first. The authors present the case of a healthy, immunocompetent 2½-year-old child who presented with progressive swelling of the right hand mimicking a localized gigantism of the entire hand...
April 2018: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/29701166/nuts-and-grains-microbiology-and-preharvest-contamination-risks
#7
Pardeepinder K Brar, Michelle D Danyluk
Low-water-activity foods have been involved in recalls and foodborne disease outbreaks. Increased consumption; better detection methods and reporting systems; improved surveillance, trace-back, and ability to connect sporadic foodborne illnesses; and inadequate implementation of food safety programs are some of the likely reasons for the increase in frequency of recalls and outbreaks linked to dry foods. Nuts and grains can be contaminated with foodborne pathogens at any stage during production, processing, storage, and distribution...
April 2018: Microbiology Spectrum
https://www.readbyqxmd.com/read/29688343/a-town-on-fire-integrating-16s-rrna-gene-amplicon-analyses-into-an-undergraduate-microbiology-lecture-class
#8
Tammy C Tobin, Ashley Shade
Microbiology increasingly relies upon bioinformatics to understand complex microbial interactions. Nevertheless, biology undergraduates often lack the basic quantitative and computer-based skills required for bioinformatics analyses. To address these issues, the course module 'A Town on Fire! 16S rRNA Gene Amplicon Analysis of Microbial Communities Overlying the Centralia, PA Mine Fire' was developed for an undergraduate microbiology lecture course. In this module, microbiology students used Quantitative Insights into Microbial Ecology (QIIME) to perform taxonomic, phylogenetic and statistical analyses on bacterial communities from three hot mine fire-impacted surface soils using 16S rRNA gene amplicon sequences...
April 23, 2018: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29685279/silage-review-animal-and-human-health-risks-from-silage
#9
REVIEW
F Driehuis, J M Wilkinson, Y Jiang, I Ogunade, A T Adesogan
Silage may contain several agents that are potentially hazardous to animal health, the safety of milk or other animal food products, or both. This paper reviews published literature about microbial hazards, plant toxins, and chemical hazards. Microbial hazards include Clostridium botulinum, Bacillus cereus, Listeria monocytogenes, Shiga toxin-producing Escherichia coli, Mycobacterium bovis, and various mold species. High concentrations of C. botulinum in silage have been associated with cattle botulism. A high initial concentration of C...
May 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29684542/listeria-monocytogenes-danger-for-health-safety-vegetable-production
#10
Igor Kljujev, Vera Raicevic, Jelena Jovicic-Petrovic, Bojana Vujovic, Milica Mirkovic, Michael Rothballer
The microbiologically contaminated vegetables represent a risk for consumers, especially vegetables without thermal processing. It is known that human pathogen bacteria, such as Listeria monocytogenes, could exist on fresh vegetables. The fresh vegetables could become Listeria-contaminated if they come in touch with contaminated soil, manure, irrigation water. The aim of this work was to investigate the presence of Listeria spp. and L. monocytogenes in different kind of vegetables grown in field and greenhouse condition as well as surface and endophytic colonization plant roots of different vegetables species by L...
April 20, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29619323/bacteremia-caused-by-cellulosimicrobium-in-a-bone-marrow-transplant-patient-a-case-report-and-literature-review
#11
Jose Armando Gonzales Zamora, Nicholas Camps
Background: Cellulosimicrobium sp. is a ubiquitous gram-positive bacillus that was formerly known as Oerskovia. This bacterium is found in soil and decaying plant material and is rarely associated with infections in humans. Case report: We report the case of a 44 year-old woman with history of bone marrow transplant that developed Cellulosimicrobium sp. bacteremia secondary to a central line infection. She was admitted with presumed sepsis. Blood cultures from central line and periphery revealed the growth of gram-positive rods that were further identified as Cellulosimicrobium sp ...
2018: IDCases
https://www.readbyqxmd.com/read/29601267/performance-of-purified-grape-pomace-as-a-fining-agent-to-reduce-the-levels-of-some-contaminants-from-wine
#12
María Dolores Jiménez-Martínez, Rocío Gil-Muñoz, Encarna Gómez-Plaza, Ana Belén Bautista-Ortín
The quality of red wine depends on the absence of compounds which may affect its safety and/or stability such as ochratoxin A, biogenic amines and some metals and trace compounds. The presence of ochratoxin A in musts and wines is due to fungal contamination of the grapes and has been classified as a possible human carcinogen. Biogenic amines are formed by the microbiological descarboxylation of the corresponding amino acid precursors during the fermentation or aging and storage, and, at high concentrations, they may induce adverse reactions in sensitive people...
March 30, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/29579888/severe-scedosporium-apiospermum-infection-in-a-recent-renal-transplant-recipient-case-report
#13
M J Torres-Sánchez, E Hernández-García, J Gómez-Sánchez, M Palomares-Bayo, M Peña-Ortega, P Galindo-Sacristán, C De Gracia-Guindo, A Osuna-Ortega
Infections in transplanted patients are still an important cause of morbidity and mortality. Among them, fungal infections with pathogens have become increasingly more prevalent in the last decade. We report the clinical course and management of disseminated Scedosporium apiospermum infection in a kidney transplant recipient, with microbiological isolation of the fungus in cerebrospinal fluid culture. S apiospermum is a fungus that is distributed worldwide and can be grown from soil samples or stagnant water...
March 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29560536/the-impact-of-industrial-wastewater-on-the-physicochemical-and-microbiological-characteristics-of-groundwater-in-ajao-estate-lagos-nigeria
#14
Bernadette U Ukah, Ogbonnaya Igwe, Peter Ameh
In Ajao Estate, it is believed that poor quality of its groundwater is unconnected to the dislodging of wastewater into the environment by food- and wine-producing industries operating in the area. To ascertain this claim, the impact of this wastewater on microbiological and physicochemical quality of the groundwater was evaluated. Microbiological result of water samples revealed decrease in Staphylococcus aureus, Clostridium spp., Escherichia coli, etc. count from the industrial wastewater dislodging point...
March 20, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29556425/microbial-functional-diversity-plays-an-important-role-in-the-degradation-of-polyhydroxybutyrate-phb-in-soil
#15
Samrat Dey, Prosun Tribedi
Towards bioremediation of recalcitrant materials like synthetic polymer, soil has been recognized as a traditional site for disposal and subsequent degradation as some microorganisms in soil can degrade the polymer in a non-toxic, cost-effective, and environment friendly way. Microbial functional diversity is a constituent of biodiversity that includes wide range of metabolic activities that can influence numerous aspects of ecosystem functioning like ecosystem stability, nutrient availability, ecosystem dynamics, etc...
March 2018: 3 Biotech
https://www.readbyqxmd.com/read/29551828/environmental-microbiology-soil-surface-communities-bite-the-dust
#16
Ashley York
No abstract text is available yet for this article.
May 2018: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/29532772/detection-of-histoplasma-capsulatum-in-organic-fertilizers-by-hc100-nested-polymerase-chain-reaction-and-its-correlation-with-the-physicochemical-and-microbiological-characteristics-of-the-samples
#17
Luisa F Gómez, Isaura P Torres, María Del Pilar Jiménez-A, Juan Gmo McEwen, Catalina de Bedout, Carlos A Peláez, José M Acevedo, María L Taylor, Myrtha Arango
Histoplasma capsulatum is the causative agent of histoplasmosis and this fungus inhabits soils rich in phosphorus and nitrogen that are enriched with bird and bat manure. The replacement of organic matter in agroecosystems is necessary in the tropics, and the use of organic fertilizers has increased. Cases and outbreaks due to the presence of the fungus in these components have been reported. The Instituto Colombiano Agropecuario resolution 150 of 2003 contains the parameters set by the Colombian Technical Standard (NTC 5167) on the physicochemical and microbiological features of fertilizers, but it does not regulate the search for H...
May 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29526204/sources-and-contamination-routes-of-microbial-pathogens-to-fresh-produce-during-field-cultivation-a-review
#18
REVIEW
Oluwadara Oluwaseun Alegbeleye, Ian Singleton, Anderson S Sant'Ana
Foodborne illness resulting from the consumption of contaminated fresh produce is a common phenomenon and has severe effects on human health together with severe economic and social impacts. The implications of foodborne diseases associated with fresh produce have urged research into the numerous ways and mechanisms through which pathogens may gain access to produce, thereby compromising microbiological safety. This review provides a background on the various sources and pathways through which pathogenic bacteria contaminate fresh produce; the survival and proliferation of pathogens on fresh produce while growing and potential methods to reduce microbial contamination before harvest...
August 2018: Food Microbiology
https://www.readbyqxmd.com/read/29484491/simultaneous-measurements-of-dissolved-ch-4-and-h-2-in-wetland-soils
#19
David S Pal, Rajan Tripathee, Matthew C Reid, Karina V R Schäfer, Peter R Jaffé
Biogeochemical processes in wetland soils are complex and are driven by a microbiological community that competes for resources and affects the soil chemistry. Depending on the availability of various electron acceptors, the high carbon input to wetland soils can make them important sources of methane production and emissions. There are two significant pathways for methanogenesis: acetoclastic and hydrogenotrophic methanogenesis. The hydrogenotrophic pathway is dependent on the availability of dissolved hydrogen gas (H2 ), and there is significant competition for available H2 ...
February 26, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29482995/impact-of-airborne-zinc-pollution-on-the-antimicrobial-activity-of-olive-oil-and-the-microbial-metabolic-profiles-of-zn-contaminated-soils-in-an-italian-olive-orchard
#20
Adriano Sofo, Hazem S Elshafie, Antonio Scopa, Stefania M Mang, Ippolito Camele
The growing of microbial resistance leads to a great interest about some natural alternatives to synthetic compounds. This study was carried out in two olive orchards (Olea europaea L., cv. Coratina) South Italy (Basilicata region), one located in a polluted area near a fertilizers factory releasing Zn and the other in a control unpolluted site, both managed with similar cultivation techniques. Olive oil samples were studied from both areas during 2014 and 2015. The soil microbiological status of the polluted and unpolluted orchards has been characterized and the antimicrobial effects of olive oils extracted from polluted plants (PP) and control plants (CP) against some phytopathogens have been explored...
February 19, 2018: Journal of Trace Elements in Medicine and Biology
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