About: Mycorrhizal hyphae as ecological niche for highly specialized hypersymbionts - or just soil free-riders?     Goto   Sponge   NotDistinct   Permalink

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  • Mycorrhizal fungi interconnect two different kinds of environments, namely the plant roots with the surrounding soil. This widespread coexistence of plants and fungi has important consequences for plant mineral nutrition, water acquisition, carbon allocation, tolerance to abiotic and biotic stresses and interplant competition. Yet some current research indicates a number of important roles to be played by hyphae-associated microbes, in addition to the hyphae themselves, in foraging for and acquisition of soil resources and in transformation of organic carbon in the soil-plant systems. We critically review the available scientific evidence for the theory that the surface of mycorrhizal hyphae in soil is colonized by highly specialized microbial communities, and that these fulfill important functions in the ecology of mycorrhizal fungal hyphae such as accessing recalcitrant forms of mineral nutrients, and production of signaling and other compounds in the vicinity of the hyphae. The validity of another hypothesis will then be addressed, namely that the specific associative microbes are rewarded with exclusive access to fungal carbon, which would qualify them as hypersymbionts (i.e., symbionts of symbiotic mycorrhizal fungi). Thereafter, we ask whether recruitment of functionally different microbial assemblages by the hyphae is required under different soil conditions (questioning what evidence is available for such an effect), and we identify knowledge gaps requiring further attention
  • Mycorrhizal fungi interconnect two different kinds of environments, namely the plant roots with the surrounding soil. This widespread coexistence of plants and fungi has important consequences for plant mineral nutrition, water acquisition, carbon allocation, tolerance to abiotic and biotic stresses and interplant competition. Yet some current research indicates a number of important roles to be played by hyphae-associated microbes, in addition to the hyphae themselves, in foraging for and acquisition of soil resources and in transformation of organic carbon in the soil-plant systems. We critically review the available scientific evidence for the theory that the surface of mycorrhizal hyphae in soil is colonized by highly specialized microbial communities, and that these fulfill important functions in the ecology of mycorrhizal fungal hyphae such as accessing recalcitrant forms of mineral nutrients, and production of signaling and other compounds in the vicinity of the hyphae. The validity of another hypothesis will then be addressed, namely that the specific associative microbes are rewarded with exclusive access to fungal carbon, which would qualify them as hypersymbionts (i.e., symbionts of symbiotic mycorrhizal fungi). Thereafter, we ask whether recruitment of functionally different microbial assemblages by the hyphae is required under different soil conditions (questioning what evidence is available for such an effect), and we identify knowledge gaps requiring further attention (en)
Title
  • Mycorrhizal hyphae as ecological niche for highly specialized hypersymbionts - or just soil free-riders?
  • Mycorrhizal hyphae as ecological niche for highly specialized hypersymbionts - or just soil free-riders? (en)
skos:prefLabel
  • Mycorrhizal hyphae as ecological niche for highly specialized hypersymbionts - or just soil free-riders?
  • Mycorrhizal hyphae as ecological niche for highly specialized hypersymbionts - or just soil free-riders? (en)
skos:notation
  • RIV/61388971:_____/13:00423456!RIV14-MSM-61388971
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GAP504/12/1665), P(LK11224)
http://linked.open...iv/cisloPeriodika
  • MAY 2013
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 90295
http://linked.open...ai/riv/idVysledku
  • RIV/61388971:_____/13:00423456
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • carbon; hypersymbionts; hyphae-associated microbes (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV
  • [6097AD36340D]
http://linked.open...i/riv/nazevZdroje
  • Frontiers in Plant Science
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 4
http://linked.open...iv/tvurceVysledku
  • Gryndler, Milan
  • Jansa, Jan
  • Bukovská, Petra
http://linked.open...ain/vavai/riv/wos
  • 000329904000001
issn
  • 1664-462X
number of pages
http://bibframe.org/vocab/doi
  • 10.3389/fpls.2013.00134
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