2004
DOI: 10.1590/s0100-879x2004001000004
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Abstract: Leaf-cutting ants of the genera Atta and Acromyrmex (tribe Attini) are symbiotic with basidiomycete fungi of the genus Leucoagaricus (tribe Leucocoprineae), which they cultivate on vegetable matter inside their nests. We determined the variation of the 28S, 18S, and 5.8S ribosomal DNA (rDNA) gene loci and the rapidly evolving internal transcribed spacers 1 and 2 (ITS1 and ITS2) of 15 sympatric and allopatric fungi associated with colonies of 11 species of leafcutter ants living up to 2,600 km apart in Brazil. … Show more

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Cited by 45 publications
(53 citation statements)
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“…Lower-attine fungi are thought to facultatively associate with ants because the fungi can also live outside the symbiosis 12,21 . In 'higher' attine fungiculture, however, a highly derived group of fungi descended from a lower-attine fungal ancestor is obligately associated with ants and, as far as is known, cannot live outside the symbiosis 13,14,16,17,22,23 .…”
mentioning
confidence: 99%
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“…Lower-attine fungi are thought to facultatively associate with ants because the fungi can also live outside the symbiosis 12,21 . In 'higher' attine fungiculture, however, a highly derived group of fungi descended from a lower-attine fungal ancestor is obligately associated with ants and, as far as is known, cannot live outside the symbiosis 13,14,16,17,22,23 .…”
mentioning
confidence: 99%
“…However, empirical work over the past two decades has shown that cultivars are frequently transmitted horizontally between different ant colonies (sometimes between colonies of different ant species) and that lower-attine cultivars are closely related to, and in some cases identical to, free-living fungal species, suggesting frequent import of fungi into the symbiosis from free-living sources [12][13][14]17,21,23,[25][26][27][28][29] . This apparent absence of one-to-one host fidelity (that is, long-term association of ant and fungal genotypes), combined with the recent discovery that the lower-attine fungal Clade 2 ( Fig.…”
mentioning
confidence: 99%
“…The symbiosis between ants and their fungus has been subject of many studies involving biochemical (BORBA et al, 2006;BACCI JR et al, 2013), metabolic and molecular aspects (SILVA-PINhATI et al, 2004).The results of this research demonstrate mostly that different species of leaf-cutting ants cultivate only Leucoagaricus gongylophorus as a single species of symbiotic fungus (SILVA-PINhATI et al, 2004;POULSEN & BOOMSMA, 2005). however, they could present two different strains (SILVA-PINhATI et al, 2004).…”
Section: Formigas-cortadeiras Dos Gênerosmentioning
confidence: 80%
“…ncbi.nlm.nih.gov/GenBank> to form the out group were used, including: Leucoagaricus barssii (GQ329062) Leucoagaricus hortensis (AF482843) and Tricholoma caligatum (AF319425). Another phylogenetic analysis was carried out using ITS sequences of L. gongylophorus from different regions of Brazil, including: AY642809 and AY642810 (Acromyrmex subterraneus molestans); AY642813 (Acromyrmex disciger) and AY642814 (Acromyrmex rugosus), previously analyzed by SILVA-PINhATI et al (2004). Multiple alignment of the data sets was performed by the Clustal W algorithm implemented in the MEGA5:03 (TAMURA et al, 2011) program.…”
Section: Methodsmentioning
confidence: 99%
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