N.C. Schenck & G.S. Sm., 1982
Glomus intraradices is an arbuscular mycorrhizal fungus used as a soil inoculant in agriculture and horticulture. In addition, it is one of the best mycorrhizal varieties of fungi available to mycoforestry, but it "has virtually no market value as an edible or medicinal mushroom"
Glomus intraradices is also commonly used in scientific studies of the effects of arbuscular mycorrhizal fungi on plant and soil improvement.
- Mycorrhizal Fungi
- Endomycorrhizal Fungi
- Arbuscular Mycorrhizal Fungi
- Glomus intraradices
Recent molecular analysis of Ribosomal DNA suggests that Glomus intraradices is not in fact in the genus Glomus at all, and should be renamed Rhizophagus irregularis. 
- Color - white, cream, yellow-brown 
- Shape - elliptical with irregularities 
- Size - generally between 40 - 140 μm 
Glomus intraradices colonization peaks earlier than many of the other fungi in the Glomus genus. There tends to be extensive hyphal networking and intense intraradical spores associated with older roots of host plants.
At times the spores are densely clustered or patchily distributed, depending on the host species. When the spores are heavily clustered, mycorrhizologists and others will tend to mistake G. intraradices for G. fasciculatum.
All fungi reproduce through spores. Hyphae grow from original spores and eventually the fungus creates fruiting bodies (mushrooms) that will release more spores, starting the cycle over again.
Ecology and distribution
Glomus intraradices can be found in almost all soils, especially those populated with common host plants and in forests and grasslands.
This is a brief list of some common host plants. Most agricultural crops will benefit from G. intraradices inoculation. Generally host plants must be vascular plants, but not always.
- Onion - Allium cepa L.
- Soapbush Wattle - Acacia holosericea
- Flax - Linum usitatissimum L.
- Cowpea - Vigna unguiculata 
- Tomato Plant - Lycopersicon esculentum 
- Albaida - Anthyllis cytisoides 
Conservation and status
Glomus intraradices is not in danger of becoming extinct; however, most damage is caused by chemicals and tillage.
In numerous scientific studies G. intraradices has been shown to increase phosphorus uptake in multiple plants as well as improve soil aggregation due to hyphae.
Because of these qualities, G. intraradices is commonly found in mycorrhizal based fertilizers.
In a recent study, G. intraradices was found to be the only arbuscular mycorrhizal fungi that was able to control nutrient uptake amounts by individual hyphae depending on differing phosphorus levels in the surrounding soil.
- Species Glomus intraradices. UniProt. 2009. UniProt Consortium. 17 November 2009. http://www.uniprot.org/taxonomy/4876.
- Stamets, P. (2005). Mycelium Running: How Mushrooms Can Help Save the World
- Krüger, Manuela; Claudia Krüger, Christopher Walker, Herbert Stockinger and Arthur Schüßler (2012). "Phylogenetic reference data for systematics and phylotaxonomy of arbuscular mycorrhizal fungi from phylum to species level". New Phytologist 193 (193): 970–984.
- Morton, J, & R Amarasinghe. Glomus intraradices.International Culture Collection of (Vesicular) Arbuscular Mycorrhizal Fungi. 2006. West Virginia University. 17 November 2009. http://invam.caf.wvu.edu/index.html.
- Cann, Alan. Reproduction of Fungi.MycrobiologyBytes. 18 April 2007. Dr. Alan Cann. 3 December 2009. http://www.microbiologybytes.com/introduction/myc2.html
- Peterson, R, H Massicotte, L Melville (2004). Mycorrhizas: Anatomy and Cell Biology. NRC Research Press, Ottawa: 7-8.
- Toro, M, R Azcón, J Barea. (1997). Improvement of arbuscular mycorrhiza development by inoculation of soil with phosphate-solubilizing rhizobacteria to improve rock phosphate bioavailability (32P) and nutrient cycling. Applied and Environmental Microbiology. 63: 4408-4412.
- Duponnois, R, A Colombet, V Hien, J Thioulouse. (2005). the mycorrhizal fungus Glomus intraradices and rock phosphate amendment influence plant growth and microbial activity in the rhizosphere of Acacia holosericea. Soil Biology & Biochemistry. 37: 1460-1468.
- Cavagnaro, T, F Smith, S Smith, & I Jakobsen. (2005). Functional diversity in arbuscular mycorrhizas: exploitation of soil patches with different phosphate enrichment differs among fungal species. Plant, Cell and Environment. 28: 642-650.
- Augé, R, A Stodola, J Tims, & A Saxton. (2000). Moisture retention in a mycorrhizal soil. Plant and Soil. 230: 87-97.
- Cavagnaro, T, L Jackson, J Six, H Ferris, S Goyal, D Asami, & K Scow. (2005). Arbuscular mycorrhizas, microbial communities, nutrient availability, and soil aggregates in organic tomato production. Plant and Soil. 282: 209-225.
- Requena, N, E Perez-Solis, C Azcón-Aguilar, P Jeffries, and J Barea. (2000). Management of indigenous plant-microbe symbioses aids restoration of desertified ecosystems. Applied and Environmental Microbiology. 67: 495-498.
- Cardosa, I, and T Kuyper. (2006). Mycorrhizas and tropical soil fertility. Agriculture, Ecosystems and Environment. 116: 72-84.
- Comparative analysis of mitochondrial genomes of Rhizophagus irregularis, Abstract of New Phytol. 2012 Dec;196(4):1217-27. doi: 10.1111/j.1469-8137.2012.04283.x. Epub 2012 Sep 12.
- JGI Mycorrhizal Genomics Initiative on Rhizophagus irregularis DAOM 181602 v1.0
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