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http://hdl.handle.net/1942/16999
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DC Field | Value | Language |
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dc.contributor.author | Saccone, Loredana | - |
dc.contributor.author | Gazzè, Salvatore A. | - |
dc.contributor.author | Duran, Adele L. | - |
dc.contributor.author | Leake, Jonathan R. | - |
dc.contributor.author | Banwart, Steven A. | - |
dc.contributor.author | Ragnarsdóttir, Kristín Vala | - |
dc.contributor.author | SMITS, Mark | - |
dc.contributor.author | McMaster, Terence J. | - |
dc.date.accessioned | 2014-07-24T13:56:56Z | - |
dc.date.available | 2014-07-24T13:56:56Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | BIOGEOCHEMISTRY, 111 (1-3), p. 411-425 | - |
dc.identifier.issn | 0168-2563 | - |
dc.identifier.uri | http://hdl.handle.net/1942/16999 | - |
dc.description.abstract | Microcosms with Pinus sylvestris seedlings in symbiosis with the fungus mycorrhizal Paxillus involutus were established, and atomic force microscopy (AFM) was used to characterise plant photosynthate-driven fungal interactions with mineral surfaces. Comparison of images of the same area of the minerals before and after mycorrhizal fungal colonization showed extensive growth of hyphae on three different mineral surfaces - hornblende, biotite and chlorite. A layer of biological exudate, or biolayer, covered the entire mineral surface and was composed of globular features of diameter 10-80 nm, and the morphology of the biolayer differed among mineral types. Similar-sized components were found on the fungal hyphae, but with a more elongated profile. Biolayer and hyphae surfaces both appeared to be hydrophobic with the hyphal surfaces yielding higher maximal adhesive interactions and a wider range of values: the mean (+/- A SE) adhesive forces were 2.63 +/- A 0.03 and 3.46 +/- A 0.18 nN for biolayer and hypha, respectively. The highest adhesion forces are preferentially localized at the hyphal surface above the Spitzenkorper region and close to the tip, with a mean interaction force in this locality of 5.24 +/- A 0.49 nN. Biolayer thickness was between 10 and 40 nm. The underlying mineral was easily broken up by the tip, in contrast to the native mineral. These observations of mineral surfaces colonised by mycorrhizal fungus demonstrate how fungal hyphae are able to form a layer of organic exudates, or biolayer, and its role in hyphal attachment and potential weathering of ferromagnesian silicates, which may supply nutrients to the plant. | - |
dc.description.sponsorship | Natural Environment Research Council (NERC) (grant number NE/C521044/1); Weathering Science Consortium (WSC) project on mineral weathering; MISSION 'Mineral Surface Science for Nanotechnology' (grant number MEST-CT-2005-020828) | - |
dc.language.iso | en | - |
dc.publisher | SPRINGER | - |
dc.rights | © Springer Science+Business Media B.V. 2011 | - |
dc.subject.other | Ectomycorrhizal fungi; Hyphae; Mineral weathering; Biolayer; AFM; Force mapping | - |
dc.subject.other | ectomycorrhizal fungi; hyphae; mineral weathering; biolayer; AFM; force mapping | - |
dc.title | High resolution characterization of ectomycorrhizal fungal-mineral interactions in axenic microcosm experiments | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 425 | - |
dc.identifier.issue | 1-3 | - |
dc.identifier.spage | 411 | - |
dc.identifier.volume | 111 | - |
local.format.pages | 15 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Saccone, Loredana; Gazze, Salvatore A.; McMaster, Terence J.] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England. [Saccone, Loredana; Ragnarsdottir, Kristin Vala] Univ Iceland, Fac Earth Sci, Sch Engn & Nat Sci, IS-107 Reykjavik, Iceland. [Duran, Adele L.; Leake, Jonathan R.] Univ Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England. [Banwart, Steven A.] Univ Sheffield, Kroto Res Inst, Dept Civil & Struct Engn, Sheffield S3 7HQ, S Yorkshire, England. [Smits, Mark M.] Hasselt Univ, B-3590 Diepenbeek, Belgium. | - |
local.publisher.place | DORDRECHT | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.identifier.doi | 10.1007/s10533-011-9667-y | - |
dc.identifier.isi | 000314063200026 | - |
item.fulltext | With Fulltext | - |
item.contributor | Saccone, Loredana | - |
item.contributor | Gazzè, Salvatore A. | - |
item.contributor | Duran, Adele L. | - |
item.contributor | Leake, Jonathan R. | - |
item.contributor | Banwart, Steven A. | - |
item.contributor | Ragnarsdóttir, Kristín Vala | - |
item.contributor | SMITS, Mark | - |
item.contributor | McMaster, Terence J. | - |
item.accessRights | Restricted Access | - |
item.fullcitation | Saccone, Loredana; Gazzè, Salvatore A.; Duran, Adele L.; Leake, Jonathan R.; Banwart, Steven A.; Ragnarsdóttir, Kristín Vala; SMITS, Mark & McMaster, Terence J. (2012) High resolution characterization of ectomycorrhizal fungal-mineral interactions in axenic microcosm experiments. In: BIOGEOCHEMISTRY, 111 (1-3), p. 411-425. | - |
item.validation | ecoom 2014 | - |
crisitem.journal.issn | 0168-2563 | - |
crisitem.journal.eissn | 1573-515X | - |
Appears in Collections: | Research publications |
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art%3A10.1007%2Fs10533-011-9667-y.pdf Restricted Access | 1.07 MB | Adobe PDF | View/Open Request a copy |
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