Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Toetsing van een nieuw concept voor natuurlijke ventilatie in een vleeskuikenstal
    Groot Koerkamp, P.W.G. ; Oudshoorn, L. ; Haandrikman, J. - \ 1999
    Wageningen : IMAG-DLO (Nota / DLO Instituut voor Milieu- en Agritechniek (IMAG-DLO) P 99-31) - 34
    huisvesting van kippen - ventilatie - natuurlijke ventilatie - chicken housing - ventilation - natural ventilation
    Rapid and efficient purification method for small, hydrophobic, cationicbacteriocins: purification of lactococcin B and pediocin PA-1.
    Venema, K. ; Chikindas, M.L. ; Seegers, J.F.M.L. ; Haandrikman, A.J. ; Venema, G. ; Kok, J. - \ 1997
    Applied and Environmental Microbiology 63 (1997). - ISSN 0099-2240 - p. 305 - 309.
    The bacteriocins lactococcin B and pediocin PA-1 were purified by ethanol precipitation, preparative isoelectric focusing, and ultrafiltration. The procedure reproducibly leads to high final yields in comparison to the generally low yields obtained by column chromatography. Specifically, during isoelectric focusing no loss of activity occurs. The method, in general, should be applicable to small, hydrophobic, cationic bacteriocins.
    Mode of action of LciA, the lactococcin A immunity protein.
    Venema, K. ; Haverkort, R.E. ; Abee, T. ; Haandrikman, A.J. ; Leenhouts, K.J. ; Ley, L. de; Venema, G. ; Kok, J. - \ 1994
    Molecular Microbiology 14 (1994). - ISSN 0950-382X - p. 521 - 532.
    Wereld Jamboree 1995. Een onderzoek naar de logistiek van deelnemers- en bezoekersstromen.
    Haandrikman, J. ; Vlonk, M. ; Wienbelt, M.P. ; Bakker, J.G. ; Jaarsma, C.F. - \ 1993
    Wageningen : Unknown Publisher (Nota vakgroep Ruimtelijke Planvorming 44) - 90 p.
    Mode of action of Lactococcin B, a thiol-activated bacteriocin from Lactococcus lactis.
    Venema, K. ; Abee, T. ; Haandrikman, A.J. ; Leenhouts, K.J. ; Kok, J. ; Konings, W.N. ; Venema, G. - \ 1993
    Applied and Environmental Microbiology 59 (1993)4. - ISSN 0099-2240 - p. 1041 - 1048.
    Lactococcin B (LcnB) is a small, hydrophobic, positively charged bacteriocin produced by Lactococcus lactis subsp. cremoris 9B4. Purified LcnB has a bactericidal effect on sensitive L. lactis cells by dissipating the proton motive force and causing leakage of intracellular substrates. The activity of LcnB depends on the reduced state of the Cys-24 residue. Uptake and efflux studies of different solutes suggest that LcnB forms pores in the cytoplasmic membrane of sensitive L. lactis cells in the absence of a proton motive force. At low concentrations of LcnB, efflux of those ions and amino acids which are taken up by proton motive force-driven systems was observed. However, a 150-fold higher LcnB concentration was required for efflux of glutamate, previously taken up via a unidirectional ATP-driven transport system. Strains carrying the genetic information for the immunity protein against LcnB were not affected by LcnB. The proton motive force of immune cells was not dissipated, and no leakage of intracellular substrates could be detected.
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