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Allocation of plant carbon to foraging and storage in arbuscular mycorrhizal fungi

Gavito, Mayra LU and Olsson, Pål Axel LU (2003) In FEMS microbiology ecology 45(2). p.181-187
Abstract
Foraging strategies, the cost-benefit associated with the search for new resources, have only begun to be explored in arbuscular mycorrhizal fungi (AMF). We show the use of C-13-labelling, via shoot photosynthesis, of the 16: 1omega5 fatty acid biomarker (the dominant and rather specific fatty acid in AMF storage lipids) to study the immediate patterns of carbon allocation to fungal lipids in response to inorganic and organic nutrient amendments. Signature fatty acid measurements, the incorporation of the label and complementary hyphal length density measurements showed that the extraradical mycelium of AMF proliferated in response to all the amendments provided whereas its development into unamended sand was minor in all treatments. We... (More)
Foraging strategies, the cost-benefit associated with the search for new resources, have only begun to be explored in arbuscular mycorrhizal fungi (AMF). We show the use of C-13-labelling, via shoot photosynthesis, of the 16: 1omega5 fatty acid biomarker (the dominant and rather specific fatty acid in AMF storage lipids) to study the immediate patterns of carbon allocation to fungal lipids in response to inorganic and organic nutrient amendments. Signature fatty acid measurements, the incorporation of the label and complementary hyphal length density measurements showed that the extraradical mycelium of AMF proliferated in response to all the amendments provided whereas its development into unamended sand was minor in all treatments. We demonstrate the foraging capacity of AMF, linked to plant carbon, through their hyphal proliferation and accumulation of energy reserves. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
FEMS microbiology ecology
volume
45
issue
2
pages
181 - 187
publisher
Elsevier
external identifiers
  • wos:000184404700011
  • scopus:0038107832
ISSN
1574-6941
DOI
10.1016/S0168-6496(03)00150-8
language
English
LU publication?
yes
id
a4642a18-3f07-4e35-8ed9-f1b5b3a83edb (old id 135714)
date added to LUP
2007-06-29 09:40:35
date last changed
2018-10-03 11:39:14
@article{a4642a18-3f07-4e35-8ed9-f1b5b3a83edb,
  abstract     = {Foraging strategies, the cost-benefit associated with the search for new resources, have only begun to be explored in arbuscular mycorrhizal fungi (AMF). We show the use of C-13-labelling, via shoot photosynthesis, of the 16: 1omega5 fatty acid biomarker (the dominant and rather specific fatty acid in AMF storage lipids) to study the immediate patterns of carbon allocation to fungal lipids in response to inorganic and organic nutrient amendments. Signature fatty acid measurements, the incorporation of the label and complementary hyphal length density measurements showed that the extraradical mycelium of AMF proliferated in response to all the amendments provided whereas its development into unamended sand was minor in all treatments. We demonstrate the foraging capacity of AMF, linked to plant carbon, through their hyphal proliferation and accumulation of energy reserves.},
  author       = {Gavito, Mayra and Olsson, Pål Axel},
  issn         = {1574-6941},
  language     = {eng},
  number       = {2},
  pages        = {181--187},
  publisher    = {Elsevier},
  series       = {FEMS microbiology ecology},
  title        = {Allocation of plant carbon to foraging and storage in arbuscular mycorrhizal fungi},
  url          = {http://dx.doi.org/10.1016/S0168-6496(03)00150-8},
  volume       = {45},
  year         = {2003},
}