Impact of calcium carbonate and temperature on survival of Escherichia coli in soil

Farhangi, Mohammad Bagher; Sinegani, Ali Akbar Safari; Mosaddeghi, Mohammad Reza; Unc, Adrian; Khodakaramian, Gholam

doi:10.1016/j.jenvman.2013.01.022

Cited by 22 publications

(17 citation statements)

References 43 publications

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“…It is well established that decreasing environmental temperature has a significant impact on the survival of pathogens in soil or water, sometimes leading to bacterial persistence [31][32][33], but whether temperature influences bacterial survival on artificial materials, such as dry fomites in hospitals, remained unknown. Other factors such as UV radiation, humidity, the presence of organic materials, and surface type are known to be associated with the ability of Thermal control of dry fomites and bacterial survival bacteria responsible for hospital-acquired infections to survive on dry surfaces [34][35][36]; however, temperature is a factor that can be easily and accurately controlled.…”

Section: Discussionmentioning

confidence: 99%

Effect of thermal control of dry fomites on regulating the survival of human pathogenic bacteria responsible for nosocomial infections

et al. 2019

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We monitored the survival of human pathogenic bacteria [Escherichia coli (ATCC), extended-spectrum β-lactamase-producing E. coli (Clinical isolate), New Delhi metallo-β-lactamase-producing E. coli (clinical isolate), Staphylococcus aureus (ATCC)] on dry materials (vinyl chloride, aluminum, plastic, stainless steel) at distinct temperatures (room temperature or 15°C–37°C). These bacteria favored a lower temperature for their prolonged survival on the dry fomites, regardless of the material type. Interestingly, when mixed with S. aureus, E. coli survived for a longer time at a lower temperature. Cardiolipin, which can promote the survival of S. aureus in harsh environments, had no effect on maintaining the survival of E. coli. Although the trends remained unchanged, adjusting the humidity from 40% to 60% affected the survival of bacteria on dry surfaces. Scanning electron microscopic analysis revealed no morphological differences in these bacteria immediately before or after one day of dry conditions. In addition, ATP assessment, a method used to visualize high-touch surfaces in hospitals, was not effective at monitoring bacterial dynamics. A specialized handrail device fitted with a heater, which was maintained at normal human body core temperature, successfully prohibited the prolonged survival of bacteria [Enterococcus faecalis (ATCC), E. coli (ATCC), Pseudomonas aeruginosa (ATCC), S. aureus (ATCC), Acinetobacter baumannii (clinical isolate), and Serratia marcescens (clinical isolate)], with the exception of spore-forming Bacillus subtilis (from our laboratory collection) and the yeast-like fungus Candida albicans (from our laboratory collection)] on dry surfaces. Taken together, we concluded that the tested bacteria favor lower temperatures for their survival in dry environments. Therefore, the thermal control of dry fomites has the potential to control bacterial survival on high-touch surfaces in hospitals.

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Section: Discussionmentioning

confidence: 99%

Effect of thermal control of dry fomites on regulating the survival of human pathogenic bacteria responsible for nosocomial infections

et al. 2019

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“…The previous published works were localized to certain small study site whereas the present study digged several soil profiles along a distance of 45 km. Moreover, the present study provided data on particles size distribution, hydraulic conductivity of different soil plots whereas other studies [32] [35] evaluated carbonate concentrations in top soil layers. Additionally, the previous studies partially determined the salinity in soil, whereas the present study focused here on particle size and hydraulic conductivity.…”

Section: Comparisons With Previous Published Workmentioning

confidence: 95%

“…International Journal of Geosciences non-agricultural land and determined important soil parameters that were useful of agricultural and non-agricultural lands. Published work[32] [33] [34][35]…”

mentioning

confidence: 99%

Particle Size Distribution and Hydraulic Conductivity in Coastal Non-Agricultural Land in Gaza Coastal Plain

Safi¹,

El‐Nahhal²,

Safi³

2018

IJG

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Background: Particle size distribution and hydraulic conductivity of coastal no-agricultural lands are not available. This study characterized the particle size distribution and hydraulic conductivity on coastal non-agricultural land along the coastal plain of Gaza. Materials and Methods: Six soil profiles were digged along the coastal plain in Gaza Strip and soil samples were collected from 0-150 cm depth. Four soil plots around each site were used to determine the hydraulic conductivity using Infiltrometer method. Four particle size groups were identified, group 1 (630 nm), group 2 (200 nm), group 3 (63 nm) and group 4 (20 nm). Results: Dominancy of particle size group 2 was noticed in all sites followed by group 3. Groups 1 and 4 were less dominant in all sites. Hydraulic conductivity ranged from lower value 0.27 in the control soil plot in Khan Younis (site 1) to the highest value 1.76 m/s in disturbed soil plot in Shakhejjlen (site 3) with regression coefficient (R2) range of 0.9725-0.997 indicating strong positive association. Conclusion: It can be concluded that the coastal non-agricultural land is sandy with various hydraulic conductivity values due to different particle size distribution. These data are useful to the scientific community around the world and will be helpful to speculate potential risk factors to life of ecosystem.

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“…Key factors shown to impact bacterial survival include temperature, soil type, soil moisture, nutrient availability, and protection from UVexposure (Zibilske and Weaver 1978;Chandler and Craven 1980;Crane and Moore 1986;Guan and Holley 2003;Holley et al 2006;You et al 2006;Lang and Smith 2007;Garcia et al 2010). Bacterial survival in soils is also dependent on interactions with plants and plant roots, protozoan predators, and native microbial communities (Jiang et al 2002;Brandl et al 2005;You et al 2006;van Elsas et al 2007;Garcia et al 2010;Ibekwe et al 2010;Liang et al 2011;Rothrock et al 2012;Farhangi et al 2013;Erickson et al 2014). …”

Section: Introductionmentioning

confidence: 99%

Salmonella and Fecal Indicator Bacteria Survival in Soils Amended with Poultry Manure

Hruby

Soupir

Pederson

et al. 2018

Water Air Soil Pollut

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Minimizing the risks associated with manure-borne pathogenic microorganisms requires an understanding of microbial survival under realistic field conditions. The objective of this 3-year study was to assess the fate of Salmonella (SALM) and fecal indicator bacteria (FIB), E. coli (EC) and enterococci (ENT), in glacial tillderived soils, after application of poultry manure (PM) to cornfields under chisel-plowed (CP) or no-till (NT) management. From 2010 to 2012, soil samples were obtained each spring at 0-15-and 15-30-cm depths, to determine whether over-wintering of target bacteria had occurred. Sampling was followed by application of PM at low (PM1) and high (PM2) rates, based on nitrogen application goals. In 2012, soil samples were collected 21, 42, and 158 days after manure application (DAM), to assess the effects of time, application rates, and tillage on frequency of detection and concentrations of target bacteria. Despite dry conditions, all three target organisms were detected 158 DAM in 2012, and detection of these organisms in spring soil samples from manured plots in 2011 and 2012, nearly a full year after PM application, suggests that these organisms can persist in the soil environment long after application. The highest SALM concentration (790 cfu/g dry weight) and detection rate (25%) was found in PM2 plots 42 DAM. SALM were detected more frequently in CP plots (20%) compared to NT plots (5%). In contrast, tillage practices had no apparent effect on EC or ENT survival, as indicated by both soil, and decay rates estimated from tile-water bacteria concentrations. Decay rate constants (μ) ranged from 0.044 to 0.065 day−1 for EC and 0.010 to 0.054 day−1 for ENT. RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. Abstract Minimizing the risks associated with manureborne pathogenic microorganisms requires an understanding of microbial survival under realistic field conditions. The objective of this 3-year study was to assess the fate of Salmonella (SALM) and fecal indicator bacteria (FIB), E. coli (EC) and enterococci (ENT), in glacial till-derived soils, after application of poultry manure (PM) to cornfields under chisel-plowed (CP) or no-till (NT) management. From 2010 to 2012, soil samples were obtained each spring at 0-15-and 15-30-cm depths, to determine whether over-wintering of target bacteria had occurred. Sampling was followed by application of PM at low (PM1) and high (PM2) rates, based on nitrogen application goals. In 2012, soil samples were collected 21, 42, and 158 days after manure application (DAM), to assess the effects of time, application rates, and tillage on frequency of detection and concentrations of target bacteria. Despite dry conditions, all three target organisms were detected 158 DAM in 2012, and detection of these organisms in spring soil samples from manured plots in 2011 and 2012, nearly a full year after PM application, suggests that these or...

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Impact of calcium carbonate and temperature on survival of Escherichia coli in soil

Cited by 22 publications

References 43 publications

Effect of thermal control of dry fomites on regulating the survival of human pathogenic bacteria responsible for nosocomial infections

Effect of thermal control of dry fomites on regulating the survival of human pathogenic bacteria responsible for nosocomial infections

Particle Size Distribution and Hydraulic Conductivity in Coastal Non-Agricultural Land in Gaza Coastal Plain

Salmonella and Fecal Indicator Bacteria Survival in Soils Amended with Poultry Manure

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