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Genome diversity in arbuscular mycorrhizal fungi
Current Opinion in Plant Biology, 2015Arbuscular mycorrhizal fungi (Glomeromycota) are the most widespread and important symbionts of plants. They cannot be cultured without plants, are apparently asexual, and have multiple nuclei in a common cytoplasm. There is evidence for genetic variation among nuclei, and for segregation of this variation during growth, but these findings remain ...
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Development of the arbuscular mycorrhizal symbiosis
Current Opinion in Plant Biology, 1998The arbuscular mycorrhizal (AM) symbiosis formed between plant roots and fungi is one of the most widespread symbiotic associations found in plants, yet our understanding of events underlying its development are limited. The recent integration of biochemical, molecular and genetic approaches into analyses of the symbiosis is providing new insights into
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Arbuscular mycorrhizal association in coffee
The Journal of Agricultural Science, 2009SUMMARYDespite previous research on mycorrhizal association with plants, the data on associations with coffee (Coffeaspecies) are very sparse despite the great economic importance of this crop for many tropical developing countries. The present paper reviews the main aspects of the association between arbuscular mycorrhizal fungi (AMF) and coffee ...
S. A. L. ANDRADE +3 more
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Recent developments in arbuscular mycorrhizal signaling
Current Opinion in Plant Biology, 2015Plants can establish root endosymbioses with both arbuscular mycorrhizal fungi and rhizobial bacteria to improve their nutrition. Our understanding of the molecular events underlying the establishment of these symbioses has significantly advanced in the last few years.
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Cellular programs for arbuscular mycorrhizal symbiosis
Current Opinion in Plant Biology, 2012In arbuscular mycorrhizal (AM) symbiosis, AM fungi colonize root cortical cells to obtain carbon from the plant, while assisting the plant with the acquisition of mineral nutrients from the soil. Within the root cells, the fungal hyphae inhabit membrane-bound compartments that the plant establishes to accommodate the fungal symbiont.
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Biodiversity in arbuscular mycorrhizal fungi
Mycological Research, 1994Knowledge and conservation of diversity in symbiotic arbuscular mycorrhizal fungi is of crucial importance for their efficient use in environmental conservation and sustainable plant production systems. The recalcitrance of these microorganisms to pure culture, and the absence of information about plasmogamy, karyogamy or meiosis, means that ...
GIOVANNETTI, MANUELA +1 more
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Arbuscular mycorrhizal fungi and nitrogen uptake
Archives of Microbiology, 2010Nitrogen (N) is among the most important macro-nutrients significantly affecting plant growth and yield production. Accordingly, N must be supplied adequately so that optimum amounts of yield are resulted. There are different ways of supplying N to the plant including the use of chemical and biological fertilization.
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SIGNALING IN THE ARBUSCULAR MYCORRHIZAL SYMBIOSIS
Annual Review of Microbiology, 2005Many microorganisms form symbioses with plants that range, on a continuous scale, from parasitic to mutualistic. Among these, the most widespread mutualistic symbiosis is the arbuscular mycorrhiza, formed between arbuscular mycorrhizal (AM) fungi and vascular flowering plants. These associations occur in terrestrial ecosystems throughout the world and
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The Arbuscular Mycorrhizal Symbiosis
1997The term mycorrhiza is used to describe a broad range of mutualistic associations formed between plant roots and fungi. Such associations exist in the majority of land plant species and therefore in ecosystems throughout the world. A study of the occurrence of mycorrhizas in the British flora provides an example of their distribution; 80% of the ...
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Survival Strategies in Arbuscular Mycorrhizal Symbionts
2006AM fungi are ancestral obligate symbionts, able to germinate, but unable to grow, in the absence of the host. Despite this, they have co-evolved with their host plants for about 400 million year. Many interesting hypotheses have been made on the evolutionary mechanisms which allowed these “living fossils” to survive, and the most important have been ...
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