Examining the fungal and bacterial niche overlap using selective inhibitors in soil

FEMS Microbiology Ecology
Johannes RouskErland Bååth

Abstract

It is important to know the contributions of bacteria and fungi to decomposition in connection with both the structure of the food web and the functioning of the ecosystem. However, the extent of the competition between these groups of organisms is largely unknown. The bacterial influence on fungal growth in a soil system was studied by applying three different bacterial inhibitors - bronopol, tylosin and oxytetracycline - in a series of increasing concentrations, and comparing the resulting bacterial and fungal growth rates measured using leucine and acetate-in-ergosterol incorporation, respectively. Direct measurements of growth showed that fungi increased after adding inhibitors; the level of increase in fungal growth corresponded to that of the decrease in bacterial growth, irrespective of the bacterial inhibitor used. Similar antagonistic effects of the bacteria on fungal growth were also found after adding the bacterial inhibitors together with additional substrate (alfalfa or straw plant material). The resulting responses in bacterial and fungal growth indirectly indicated that the negative interaction between fungi and bacteria was mostly attributable to exploitation competition. The results of this study also emphasize...Continue Reading

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Dec 7, 2005·FEMS Microbiology Ecology·Janna PietikäinenErland Bååth
Nov 10, 2007·FEMS Microbiology Ecology·Johannes Rousk, Erland Bååth

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Citations

Jul 17, 2010·Microbial Ecology·Azadeh BapiriJohannes Rousk
May 7, 2010·The ISME Journal·Johannes RouskNoah Fierer
Jan 20, 2009·Applied and Environmental Microbiology·Johannes RouskErland Bååth
Apr 16, 2014·PloS One·Christian WurzbacherHans-Peter Grossart
Mar 11, 2010·Expert Review of Molecular Diagnostics·Geraint B RogersKenneth D Bruce
Oct 18, 2012·The Science of the Total Environment·Anna M StefanowiczRolf D Vogt
Sep 29, 2015·Environment International·Kristian K BrandtEdward Topp
Mar 21, 2009·Journal of Applied Microbiology·R TrifonovaJ D van Elsas
May 18, 2013·Rapid Communications in Mass Spectrometry : RCM·Samuel BodéPascal Boeckx
Aug 30, 2012·Environmental Microbiology·Gaëtan MartinPilar Junier
Dec 24, 2010·Environmental Microbiology·Hironari Izumi, Roger D Finlay
Sep 13, 2013·FEMS Microbiology Ecology·Marianne KorandaAndreas Richter
Apr 8, 2011·FEMS Microbiology Ecology·Johannes Rousk, Erland Bååth
Aug 26, 2016·FEMS Microbiology Ecology·Sarah R JohnstonAndrew J Weightman
Sep 12, 2019·Mycorrhiza·Frédérique ChangeyAnissa Lounès-Hadj Sahraoui
Oct 13, 2019·Applied and Environmental Microbiology·A BuresovaM Sagova-Mareckova
Jul 25, 2020·Nature Communications·Luiz A Domeignoz-HortaKristen M DeAngelis
Dec 2, 2020·International Journal of Environmental Research and Public Health·Vanesa Santás-MiguelDavid Fernández-Calviño
Nov 2, 2020·Environmental Research·Vanesa Santás-MiguelDavid Fernández-Calviño
Jun 21, 2020·Journal of Environmental Management·V Santás-MiguelD Fernández-Calviño
Oct 16, 2008·Environmental Science & Technology·Louise Aldén Demoling, Erland Bååth
Sep 21, 2021·Global Change Biology·Yuqi ZhouYe Deng
Nov 4, 2021·World Journal of Microbiology & Biotechnology·Régis Josué de Andrade ReisFabio Lopes Olivares

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