Rapid and sensitive bioassay to study signals between root exudates and arbuscular mycorrhizal fungi

Biotechnology Techniques

Volumn 13, Issue 12, 1999, Pages 893-897

  Nagahashi, G ^a   Douds Jr , D D ^a  

^a EASTERN REGIONAL RESEARCH CENTER   (United States)

Author keywords

Arbuscular mycorrhiza; Bioassay; Hyphal branching; Root exudates; Signals

Indexed keywords

ARBUSCULAR MYCORRHIZA; BIOASSAY; CHEMICAL SIGNAL; FUNGAL GROWTH; FUNGAL SPORE;

ARBUSCULAR MYCORRHIZAE; BACTERIA (MICROORGANISMS); FUNGI; MYCORRHIZAE;

EID: 0033384235     PISSN: 0951208X     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1008938527757     Document Type: Article

References (7)

1. Bécard G, Fortin JA (1988) Early events of vesicular-arbuscular mycorrhiza formation on Ri T-DNA transformed roots. New Phytol. 108: 211-218.
2. Bécard G, Piché Y (1992) Establishment of vesicular-arbuscular mycorrhiza in root organ culture: review and proposed methodology. In: Norris JR, Read D, Varma AK, eds. Methods in Microbiology: Techniques for Mycorrhizal Research. New York: Academic Press, pp. 550-568.
3. Douds DD Jr., Nagahashi G, Abney CD (1996) The differential effects of cell wall-associated phenolics, cell walls, and cytosolic phenolics of host and non-host roots on the growth of two species of AM fungi. New Phytol. 133: 289-294.
4. Giovannetti M, Sbrana C, Avio L, Citernesi AS, Logi C (1993) Differential hyphal morphogenesis in arbuscular mycorrhizal fungi during pre-infection stages. New Phytol. 125: 587-594.
5. Koide RT, Sehreiner RP (1992) Regulation of the vesicular-arbuscular mycorrhizal symbiosis. Ann. Rev. Plant Physiol. Plant Mol. Biol. 43: 557-581.
6. Nagahashi G, Douds DD Jr, Abney GD (1996a) A rapid microinjection technique allows for the sensitive detection of root exudate signals which stimulates the branching and growth of germinated VAM fungus spores. In: Szaro TM, Bruns TD, eds. First International Conference on Mycorrhizae. University of California, Berkeley, CA, USA, August 4-9, p. 91.
7. Nagahashi G, Douds DD Jr., Abney GD (1996b) Phosphorus amendment inhibits hyphal branching of the VAM fungus Gigaspora margarita directly and indirectly through its effect on root exudation. Mycorrhiza 6: 403-408.