Severity: Warning
Message: file_get_contents(https://...@gmail.com&api_key=61f08fa0b96a73de8c900d749fcb997acc09&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Objective: Artificial turf has been suggested as a risk factor for community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA). This is an experimental study looking at survival of CA-MRSA on artificial turf.
Methods: MRSA strain USA-300-0114 was grown as either planktonic cells or biofilms in liquid cultures of beef heart infusion broth overnight at 37 °C. Beakers containing ProGrass (Pittsburgh, PA) turf were inoculated at the dirt interface with either ∼5 × 10 planktonic bacteria or with biofilms. The inoculum included varying nutrient conditions consisting of spent medium, saline, or 5% mucin. The beakers were incubated at 37 °C in ambient air. The main outcome measure was the number of surviving colony-forming units determined by plating on mannitol salt agar.
Results: Survival was biphasic with a colony-forming unit drop from ∼5 × 10 to ∼5 × 10 after the first week followed by survival of between 10 and 10 bacteria until termination of the experiment (20-50 d). Survival was dependent on nutrients, and washed cells survived less than 1 d. Mucin could serve as a nutrient source and slightly increased surviving numbers to 10-10 bacteria. Biofilm formation did not influence survival.
Conclusions: CA-MRSA survivability on artificial turf surfaces is dependent on the availability of nutrients. These results suggest that CA-MRSA could survive on artificial turf in significant numbers for 1 wk, and lower numbers for at least 1 month, if supplied with appropriate nutrients. Outdoor environmental conditions may affect these findings.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1249/MSS.0b013e3182006819 | DOI Listing |
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