Adhesion of lactobacilli to polymer surfaces in vivo and in vitro

Gregor Reid, Lesleyann Hawthorn, Rosemary Mandatori, Roger L. Cook, H. Steven Beg

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The ability of bacteria to attach to surfaces has been recognized as an important phenomenon, particularly for pathogenic organisms that utilize this capacity to initiate disease. The present investigation was undertaken to determine whether indigenous urogenital bacteria, lactobacilli, colonized prosthetic devices in vivo and in vitro and attached to specific polymer surfaces in vitro. Polyethylene intrauterine devices (IUDs) in place for 2 years were removed from six women who were asymptomatic and free of signs of cervical or uterine infection. Lactobacilli were found attached to the IUDs, as determined by culture, and fluorescent antibody and acridine orange staining techniques. This demonstrated that bacterial biofilms consisting of indigenous bacteria can occur on prosthetic devices without inducing a symptomatic infection. In vitro studies were then undertaken with well-documented lactobacilli strains L. acidophilus T-13, L. casei GR-1, GR-2, and RC-17, and L. fermentum A-60. These organisms were found to adhere to IUDs and urinary catheters within 24 hours. A quantitative assay was designed to examine the mechanisms of adhesion of L. acidophilus T-13 to specific polymer surfaces that are commonly used as prosthetic devices. The lactobacilli adhered optimally to fluorinated ethylene propylene when 108 bacteria were incubated for 9 hours at 37°C in phosphate buffered saline, pH 7.1. Additional experiments verified that the lactobacilli adhered to polyethyleneterephthalate, polystyrene, and sulfonated polystyrene and to silkolatex catheter material. There was a linear relationship found between polymer hydrophobicity and bacterial adherence. These results demonstrate that lactobacilli bind to various surfaces in vivo and in vitro, and that the nature of the substratum can affect the colonization.

Original languageEnglish (US)
Pages (from-to)241-251
Number of pages11
JournalMicrobial Ecology
Volume16
Issue number3
DOIs
StatePublished - Nov 1 1988
Externally publishedYes

Fingerprint

adhesion
Lactobacillus
polymers
polymer
bacterium
bacteria
polystyrenes
catheters
hydrophobicity
propylene
ethylene
antibody
biofilm
bacterial adhesion
acridine orange
colonization
organisms
phosphate
assay
polyethylene

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Soil Science

Cite this

Adhesion of lactobacilli to polymer surfaces in vivo and in vitro. / Reid, Gregor; Hawthorn, Lesleyann; Mandatori, Rosemary; Cook, Roger L.; Beg, H. Steven.

In: Microbial Ecology, Vol. 16, No. 3, 01.11.1988, p. 241-251.

Research output: Contribution to journalArticle

Reid, Gregor ; Hawthorn, Lesleyann ; Mandatori, Rosemary ; Cook, Roger L. ; Beg, H. Steven. / Adhesion of lactobacilli to polymer surfaces in vivo and in vitro. In: Microbial Ecology. 1988 ; Vol. 16, No. 3. pp. 241-251.
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