Literature DB >> 2667465

Growth rate control of adherent bacterial populations.

P Gilbert1, D G Allison, D J Evans, P S Handley, M R Brown.   

Abstract

We report a novel in vitro method which, through application of appropriate nutrient limitations, enables growth rate control of adherent bacterial populations. Exponentially growing cells are collected by pressure filtration onto cellulose acetate membranes. Following inversion into the bases of modified fermentors, membranes and bacteria are perfused with fresh medium. Newly formed and loosely attached cells are eluted with spent medium. Steady-state conditions (dependent upon the medium flow rate) at which the adherent bacterial biomass is constant and proportional to the limiting nutrient concentrations are rapidly achieved, and within limits, the growth rate is proportional to the medium flow rate. Scanning electron microscopic studies showed that such populations consist of individual cells embedded within an extracellular polymer matrix.

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Year:  1989        PMID： 2667465      PMCID： PMC184299          DOI： 10.1128/aem.55.5.1308-1311.1989

Source DB:  PubMed          Journal:  Appl Environ Microbiol        ISSN： 0099-2240            Impact factor:   4.792


  15 in total

1.  AN IMPROVED METHOD FOR THE SELECTION OF BACTERIAL CELLS AT DIVISION.

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7.  Adherent bacterial colonization in the pathogenesis of osteomyelitis.

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8.  Observations of fouling biofilm formation.

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10.  Tobramycin resistance of Pseudomonas aeruginosa cells growing as a biofilm on urinary catheter material.

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  18 in total

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7.  Development of a standard test to assess the resistance of Staphylococcus aureus biofilm cells to disinfectants.

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