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Title: Bacteria display differential growth and adhesion characteristics on human hair shafts
Authors: Kerk, Swat Kim
Lai, Hui Ying
Sze, Siu Kwan
Ng, Kee Woei
Schmidtchen, Artur
Adav, Sunil Shankar
Keywords: DRNTU::Science::Biological sciences
Hair Shaft
S. Aureus
Issue Date: 2018
Source: Kerk, S. K., Lai, H. Y., Sze, S. K., Ng, K. W., Schmidtchen, A., & Adav, S. S. (2018). Bacteria display differential growth and adhesion characteristics on human hair shafts. Frontiers in Microbiology, 9, 2145-. doi:10.3389/fmicb.2018.02145
Series/Report no.: Frontiers in Microbiology
Abstract: Apart from the skin surface, hair represents a significant tissue component with a capacity of bacterial interactions. New information can be obtained about hair function through the characterization of bacterial adherence, colonization, and responses to hair shafts per se. In this proof-of-principle study, we examine the growth kinetics of Gram-positive Staphylococcus aureus and Staphylococcus epidermidis, and Gram-negative Pseudomonas aeruginosa and Escherichia coli in the presence of human hair shafts. We explore the ability of these bacteria to adhere to and colonize hair shaft surfaces, as well as the resulting impact on the hair’s surface morphology. We show that hair shafts inhibit the growth of Gram-positive S. aureus and S. epidermidis, while the growth kinetics of P. aeruginosa and E. coli remain unaffected. Scanning electron microscope analysis and steeping studies show that P. aeruginosa and E. coli to adhere to and colonize on human hair shafts without significantly affecting the hair shaft’s surface morphology. P. aeruginosa produced a substantial amount of biofilm on the hair shaft surfaces, while E. coli specifically inhabited the edges of the cuticle scales. Taken together, our results demonstrate differences in bacterial responses to human hair shafts, which may provide novel insights into hair and scalp health.
DOI: 10.3389/fmicb.2018.02145
Rights: © 2018 Kerk, Lai, Sze, Ng, Schmidtchen and Adav. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:LKCMedicine Journal Articles

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