BBAuthors: Shehata, M.G.; Advisor: -; Participants: El-Sahn, M.A.; El Sohaimy, S.A.; Youssef, M.M. (2019)
Levels of cholesterol assimilated by growing cells (43.70%) were significantly higher than those assimilated by resting cells (12.93%) or counterpart dead cells (6.35%). Scanning electron micrographs indicated that cholesterol adsorbed to the bacterial cell wall. A comparison of IR spectra of Lactococcus lactis subsp. lactis grown with and without cholesterol using an FTIR spectroscopy database revealed intensity changes associated with sulfamide bonds, P–H stretching and the C≡C bonds. Precipitation of cholesterol upon deconjugation of glycocholate was higher (5.53 μg/ml) than that observed upon taurocholate (3.7 μg/ml). 
