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Full-Text Articles in Laboratory and Basic Science Research

E,E-Farnesol Inhibits Swarming Motility In Burkholderia Cepacia Through Rhamnolipid Production, Stephanie E. Nicholls, Alayna N. Sanderson, Andrea P. Schwartz, Lauren E. Ward, Jessica N. Weisensee, Molly Yandrofski, Tracy L. Collins Apr 2017

E,E-Farnesol Inhibits Swarming Motility In Burkholderia Cepacia Through Rhamnolipid Production, Stephanie E. Nicholls, Alayna N. Sanderson, Andrea P. Schwartz, Lauren E. Ward, Jessica N. Weisensee, Molly Yandrofski, Tracy L. Collins

The Research and Scholarship Symposium (2013-2019)

Burkholderia cepacia and Candida albicans both exhibit cell-to-cell communication through the use of quorum-sensing molecules (QSM) known as autoinducers. E,E-farnesol is a QSM produced by C. albicans which regulates its conversion from yeast to mycelium. Because there is a positive correlation between the presence of B. cepacia and C. albicans in the lungs of individuals with cystic fibrosis (CF), we examined whether E,E-farnesol had an effect on swarming motility in B. cepacia. Swarming motility was inhibited when B. cepacia was exposed to 250 µM of E,E-farnesol. In addition, there was a 26.8% decrease in rhamnolipid production when cells were grown …


Spatial And Temporal Variability Of Water Quality Parameters In Cedar Lake (Cedarville, Ohio), Laura A. Cashman, William A. Smith, Shannon L. Swicker, Abigail L. Williams, Mark A. Gathany Apr 2017

Spatial And Temporal Variability Of Water Quality Parameters In Cedar Lake (Cedarville, Ohio), Laura A. Cashman, William A. Smith, Shannon L. Swicker, Abigail L. Williams, Mark A. Gathany

The Research and Scholarship Symposium (2013-2019)

Cedar Lake is a man-made lake that is central to Cedarville University’s campus. This focal point of the campus is a source of aesthetic appeal and beauty of Cedarville University. The lake ranges in depth from 0.6-3.7m, is 140m by 150m across, an approximate volume of 40,000 m3 and demonstrates normal capabilities to support fish and other life. There is, however, some concern over Cedar Lake’s level of productivity as undesirable algae blooms are common during warmer months. In October and November 2016 we began to assess the spatial and temporal variability of water chemistry by measuring temperature (℃), …