Ergosterol content in ericaceous hair roots correlates with dark septate endophytes but not with ericoid mycorrhizal colonization

Soil Biology and Biochemistry

Volumn 39, Issue 5, 2007, Pages 1218-1221

  Olsrud, Maria ^a   Michelsen, Anders ^a   Wallander, Håkan ^b  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b LUND UNIVERSITY   (Sweden)

Author keywords

Dark septate endophytes; Ergosterol; Ericoid mycorrhizal colonization; Visual determination

Indexed keywords

CHOLESTEROL; PLANTS (BOTANY);

DARK SEPTATE ENDOPHYTES; ERGOSTEROL; ERICOID MYCORRHIZAL COLONIZATION; VISUAL DETERMINATION;

FUNGI;

COLONIZATION; CORRELATION; ENDOPHYTE; ERGOSTEROL; FUNGUS; ROOT; SHRUB;

MYCORRHIZA; ROOTS; SHRUBS;

EURASIA; EUROPE; NORTHERN EUROPE; SCANDINAVIA; SWEDEN;

EID: 33847338033     PISSN: 00380717     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.soilbio.2006.11.018     Document Type: Article

References (20)

1. Aerts R., Berendse F., Klerk N.M., and Bakker C. Root production and root turnover in two dominant species of wet heathlands. Oecologia 81 (1989) 374-378
2. Caporn S.J.M., Song W., Read D.J., and Lee J.A. The effect of repeated nitrogen fertilisation on mycorrhizal infection in heather (Calluna vulgaris (L.) Hull). New Phytologist 129 (1995) 605-609
3. Cazares E., Trappe J.M., and Jumpponen A. Mycorrhiza-plant colonization patterns on a subalpine glacier forefront as a model system of primary succession. Mycorrhiza 15 (2005) 405-416
4. Genney D.R., Alexander I.J., and Hartley S.E. Exclusion of grass roots from soil organic layers by Calluna: the role of ericoid mycorrhizas. Journal of Experimental Botany 51 (2000) 1117-1125
5. Jumpponen A., and Trappe J.M. Dark septate endophytes: a review of facultative biotrophic root-colonizing fungi. New Phytologist 140 (1998) 295-310
6. Jumpponen A. Dark septate endophytes-are they mycorrhizal?. Mycorrhiza 11 (2001) 207-211
7. Massicotte H.B., Melville L.H., and Peterson R.L. Structural characteristics of root-fungal interactions for five ericaceous species in eastern Canada. Canadian Journal of Botany 83 (2005) 1057-1064
8. McGonigle T.P., Miller M.H., Evans D.G., Fairchild G.L., and Swan J.A. A new method which gives an objective measure of colonization of roots by vesicular-arbuscular mycorrhizal fungi. New Phytologist 115 (1990) 495-501
9. Nylund J.-E., and Wallander H. Ergosterol analysis as a means of quantifying mycorrhizal biomass. In: Norris J.R., Read D.J., and Varma A.K. (Eds). Methods in Microbiology Vol. 24 (1992), Academic Press, London, UK
10. Näsholm T., Ekblad A., Nordin A., Giesler R., Högberg M., and Högberg P. Boreal forest plants take up organic nitrogen. Nature 392 (1998) 914-916
11. Olsrud M., Melillo J.M., Christensen T.R., Michelsen A., Wallander H., and Olsson P.A. Response of ericoid mycorrhizal colonization and functioning to global change factors. New Phytologist 162 (2004) 459-469
12. 14C pulse-labelling. Soil Biology & Biochemistry 36 (2004) 245-253
13. Padgett D.E., and Posey M.H. An evaluation of the efficiencies of several ergosterol extraction techniques. Mycological Research 97 (1993) 1476-1480
14. Phillips J.M., and Hayman D.S. Improved procedures for clearing roots and staining parasitic and vesicular-arbuscular mycorrhizal fungi for rapid assessment of infection. Transaction of the British Mycological Society 55 (1970) 158-160
15. Read D.J. Mycorrhizas in ecosystems. Experientia 47 (1991) 376-391
16. Read D.J., and Kerley S. The status and function of ericoid mycorrhizal systems. In: Varma A., and Hock B. (Eds). Mycorrhiza Structure, Function, Molecular Biology and Biotechnology (1995), Springer, Berlin
17. Read D.J., and Perez-Moreno J. Mycorrhizas and nutrient cycling in ecosystems-a journey towards relevance?. New Phytologist 157 (2003) 475-492
18. Specht R.L. Heathlands and related shrublands of the world. In: Spech R.L. (Ed). Ecosystems of the World. Heathlands and Related Shrublands vol. 9A (1979), Elsevier, Amsterdam 1-18
19. Weete J.D., and Gandhi S.R. Biochemistry and molecular biology of fungal sterols. (1996), Springer, Berlin pp. 421-438
20. Yu T., Nassuth A., and Peterson R.L. Characterization of the interaction between the dark septate fungus Phialocephala fortinii and Asparagus officinalis roots. Canadian Journal of Microbiology 47 (2001) 741-753