The effects of several buffers on growth and phosphorus nutrition of selected ectomycorrhizal fungi |
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| Institution: | 1. Department of Gynecology with Breast Center, Charité – Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany;2. Harding Center for Risk Literacy, Max Planck Institute for Human Development, Berlin, Lentzeallee 94, 14195 Berlin, Germany;3. Division of Ergonomics, Department of Psychology and Ergonomics, Technische Universität Berlin, Marchstr. 23, 10587 Berlin, Germany;4. Institute of Medical Psychology, Charité – Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany;1. Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy;2. Institut für Medizinische Psychologie, Berlin, Germany;3. Erasmus University Medical Center, Rotterdam, The Netherlands;4. Helen Diller Family Comprehensive Cancer Center, University of California–San Francisco, San Francisco, CA, USA;5. Europa Uomo, Oncology Centre Antwerp, Antwerp, Belgium;6. Sunnybrook Health Sciences Centre, Toronto, Canada;7. School of Social and Community Medicine, University of Bristol, Bristol, UK;8. Helsinki University Central Hospital, Helsinki, Finland;9. Division of Epidemiology, Brady Urological Institute, Johns Hopkins Medicine, Baltimore, MD, USA;10. University Medical Center Utrecht, Utrecht, The Netherlands;11. University Hospital Gasthuisberg, KU Leuven, Leuven, Belgium;12. Università di Milano, Milan, Italy;1. Università degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Rm. 188, Via della Lastruccia 3, I-50019 Sesto Fiorentino (Firenze), Italy;2. Department of Chemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia;3. Istituto di Bioscienze e Biorisorse, CNR, Via Pietro Castellino 111, 80131 Napoli, Italy;4. Università degli Studi di Firenze, Polo Scientifico, Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Firenze), Italy;1. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, PR China;2. Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong |
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| Abstract: | Six buffers were tested in agar medium with Laccaria laccata (Scop. ex Fr.) Cke., Paxillus involutus (Batsch. ex Fr.) and Pisolithus tinctorius (Pers.) Coker & Couch. Both acetate and ADA (N-2-acetamido] iminodiacetic acid) were inhibitory to radial growth of all three species. ACES (N-2-acetamido]-2-aminoethanesulfonic acid) had a variable effect on radial growth depending on fungal species. The effect of glycine was inconclusive due to the elevation of pH following autoclaving of the media containing this buffer. MES (2-N-morpholino] ethanesulfonic acid) enhanced the growth of all three fungal species PIPES (piperazine-N,N′-bis2-ethanesulfonic acid]) also stimulated radial growth, but only two of the three species were affected.Laccaria laccata and P. involutus were also grown in liquid media containing either an inorganic (iP) or organic (oP) P source and MES, PIPES or phthalate or no buffer at all. As in the case of solid media, effects not only varied with type of buffer, but fungal species reacted differently to a given buffer. For example. MES enhanced growth of L. laccata on both media, but reduced oP hydrolysis by this species. P. involutus growth was enhanced by MES only on iP medium. PIPES enhanced fungal growth and did not interfere with the hydrolysis of oP nor the uptake of P by the fungi. |
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