Tuber uncinatum (Tuberaceae, Pezizales) is a commercially important ectomycorrhizal (EcM) fungal species that associates with many deciduous EcM host species belonging to Fagales lineage. Because of its host multiplicity among deciduous species, we hypothesized that it may associate with other plant lineages including Rosids which is the most recent common ancestral of the ectomycorrhizae (MRCA-EcM) of Ulmaceae radiated prior to Fagaceae. The host plant specimens, ascomata and soil were collected from homogeneous Caucasian elm populationsof Hyrcanian temperate forests of Iran. Caucasian elm species diagnosis was performed using available botanical sources. The EcM symbiosis evidences and EcMF identity was illustrated by surveying gleba, spore shape and EcM root anatomy using SEM, light and stereo-microscopy, followed by molecular analysis. The micrographs obtained from root examination demonstrated the Hartig net penetration among cortical and epidermal cells and the presence of mantle as the EcM sheath. This study supports the EcM symbiosis of T. uncinatum with Zelkova carpinifolia.
Tuber uncinatum (Tuberaceae, Pezizales) is a commercially important ectomycorrhizal (EcM) fungal species that associate with many deciduous EcM host species belonging to the Fagales lineage. Because of its host multiplicity among deciduous species, we hypothesized that it may associate with other plant lineages including Rosids which is the most recent common ancestral of the ectomycorrhizae (MRCA-EcM) of Ulmaceae radiated preceding to Fagaceae. The host plant specimens, ascomata, and soil were collected from homogeneous Caucasian elm populationsof the Hyrcanian temperate forests of Iran. Caucasian elm species diagnosis was performed using available botanical sources. The EcM symbiosis evidence and EcMF identity were illustrated by surveying gleba, spore shape, and EcM root anatomy using SEM, light, and stereo-microscopy, followed by molecular analysis. The micrographs obtained from root examination demonstrated the Hartig net penetration among cortical and epidermal cells and the presence of mantle as the EcM sheath. This study supports the EcM symbiosis of T. uncinatum with Zelkova carpinifolia.
Tuber uncinatum (Tuberaceae, Pezizales) is a commercially important ectomycorrhizal (EcM) fungal species that associate with many deciduous EcM host species belonging to the Fagales lineage. Because of its host multiplicity among deciduous species, we hypothesized that it may associate with other plant lineages including Rosids which is the most recent common ancestral of the ectomycorrhizae (MRCA-EcM) of Ulmaceae radiated preceding to Fagaceae. The host plant specimens, ascomata, and soil were collected from homogeneous Caucasian elm populationsof the Hyrcanian temperate forests of Iran. Caucasian elm species diagnosis was performed using available botanical sources. The EcM symbiosis evidence and EcMF identity were illustrated by surveying gleba, spore shape, and EcM root anatomy using SEM, light, and stereo-microscopy, followed by molecular analysis. The micrographs obtained from root examination demonstrated the Hartig net penetration among cortical and epidermal cells and the presence of mantle as the EcM sheath. This study supports the EcM symbiosis of T. uncinatum with Zelkova carpinifolia.
Tuber uncinatum (Tuberaceae, Pezizales) is a commercially important ectomycorrhizal (EcM) fungal species associated with many deciduous EcM host species belonging to the Fagales lineage. Because of its host multiplicity among deciduous species, we hypothesized that it might associate with other plant lineages of Rosids as the most recent common ancestral of the ectomycorrhizae (MRCA-EcM) of Ulmaceae radiated preceding Fagaceae. The samples (host plant specimens, fungal ascomata, and soil) were from homogeneous Caucasian elm populations of the Hyrcanian temperate forests of Iran. Diagnosing the host plant was performed by using available botanical sources. The EcM symbiosis evidence and EcMF identity were illustrated by surveying gleba, spore shape, and EcM root anatomy using SEM, light, and stereo-microscopy, followed by molecular analysis. The micrographs obtained from root examination demonstrated the Hartig net penetration among cortical and epidermal cells and the presence of mantle as the EcM sheath. This study supports the EcM symbiosis of T. uncinatum with Zelkova carpinifolia from the Quaternary period in the Hyrcanian temperate forests.
Tuber uncinatum (Tuberaceae, Pezizales) is a commercially important ectomycorrhizal (EcM) fungal species associated with many deciduous EcM host species belonging to the Fagales lineage. Because of its host multiplicity among deciduous species, we hypothesized that it might associate with other plant lineages of Rosids as the most recent common ancestral of the ectomycorrhizae (MRCA-EcM) of Ulmaceae radiated preceding Fagaceae. The samples (host plant specimens, fungal ascomata, and soil) were from homogeneous Caucasian elm populations of the Hyrcanian temperate forests of Iran. Diagnosing the host plant was performed by using available botanical sources. The EcM symbiosis evidence and EcMF identity were illustrated by surveying gleba, spore shape, and EcM root anatomy using SEM, light, and stereo-microscopy, followed by molecular analysis. The micrographs obtained from root examination demonstrated the Hartig net penetration among cortical and epidermal cells and the presence of mantle as the EcM sheath. This study supports the EcM symbiosis of T. uncinatum with Zelkova carpinifolia from the Quaternary period in the Hyrcanian temperate forests.
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