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Walter Goessler - One of the best experts on this subject based on the ideXlab platform.
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A unique arsenic speciation profile in Elaphomyces spp. (“deer truffles”)—trimethylarsine oxide and methylarsonous acid as significant arsenic compounds
Analytical and Bioanalytical Chemistry, 2018Co-Authors: Simone Braeuer, Jan Borovicka, Walter GoesslerAbstract:Arsenic and its species were investigated for the first time in nine collections of Elaphomyces spp. (“deer truffles”) from the Czech Republic with inductively coupled plasma mass spectrometry (ICPMS) and high-performance liquid chromatography coupled to ICPMS. The total arsenic concentrations ranged from 12 to 42 mg kg^−1 dry mass in samples of E. asperulus and from 120 to 660 mg kg^−1 dry mass in E. granulatus and E. muricatus . These concentrations are remarkably high for terrestrial organisms and demonstrate the arsenic-accumulating ability of these fungi. The dominating arsenic species in all samples was methylarsonic acid which accounted for more than 30% of the extractable arsenic. Arsenobetaine, dimethylarsinic acid, and inorganic arsenic were present as well, but only at trace concentrations. Surprisingly, we found high amounts of trimethylarsine oxide in all samples (0.32–28% of the extractable arsenic). Even more remarkable was that all but two samples contained significant amounts of the highly toxic trivalent arsenic compound methylarsonous acid (0.08–0.73% of the extractable arsenic). This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terrestrial organism. Our findings point out that there is still a lot to be understood about the biotransformation pathways of arsenic in the terrestrial environment. Graphical abstract Trimethylarsine oxide and methylarsonous acid in “deer truffles”
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a unique arsenic speciation profile in Elaphomyces spp deer truffles trimethylarsine oxide and methylarsonous acid as significant arsenic compounds
Analytical and Bioanalytical Chemistry, 2018Co-Authors: Simone Braeuer, Jan Borovicka, Walter GoesslerAbstract:Arsenic and its species were investigated for the first time in nine collections of Elaphomyces spp. (“deer truffles”) from the Czech Republic with inductively coupled plasma mass spectrometry (ICPMS) and high-performance liquid chromatography coupled to ICPMS. The total arsenic concentrations ranged from 12 to 42 mg kg−1 dry mass in samples of E. asperulus and from 120 to 660 mg kg−1 dry mass in E. granulatus and E. muricatus. These concentrations are remarkably high for terrestrial organisms and demonstrate the arsenic-accumulating ability of these fungi. The dominating arsenic species in all samples was methylarsonic acid which accounted for more than 30% of the extractable arsenic. Arsenobetaine, dimethylarsinic acid, and inorganic arsenic were present as well, but only at trace concentrations. Surprisingly, we found high amounts of trimethylarsine oxide in all samples (0.32–28% of the extractable arsenic). Even more remarkable was that all but two samples contained significant amounts of the highly toxic trivalent arsenic compound methylarsonous acid (0.08–0.73% of the extractable arsenic). This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terrestrial organism. Our findings point out that there is still a lot to be understood about the biotransformation pathways of arsenic in the terrestrial environment.
Simone Braeuer - One of the best experts on this subject based on the ideXlab platform.
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A unique arsenic speciation profile in Elaphomyces spp. (“deer truffles”)—trimethylarsine oxide and methylarsonous acid as significant arsenic compounds
Analytical and Bioanalytical Chemistry, 2018Co-Authors: Simone Braeuer, Jan Borovicka, Walter GoesslerAbstract:Arsenic and its species were investigated for the first time in nine collections of Elaphomyces spp. (“deer truffles”) from the Czech Republic with inductively coupled plasma mass spectrometry (ICPMS) and high-performance liquid chromatography coupled to ICPMS. The total arsenic concentrations ranged from 12 to 42 mg kg^−1 dry mass in samples of E. asperulus and from 120 to 660 mg kg^−1 dry mass in E. granulatus and E. muricatus . These concentrations are remarkably high for terrestrial organisms and demonstrate the arsenic-accumulating ability of these fungi. The dominating arsenic species in all samples was methylarsonic acid which accounted for more than 30% of the extractable arsenic. Arsenobetaine, dimethylarsinic acid, and inorganic arsenic were present as well, but only at trace concentrations. Surprisingly, we found high amounts of trimethylarsine oxide in all samples (0.32–28% of the extractable arsenic). Even more remarkable was that all but two samples contained significant amounts of the highly toxic trivalent arsenic compound methylarsonous acid (0.08–0.73% of the extractable arsenic). This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terrestrial organism. Our findings point out that there is still a lot to be understood about the biotransformation pathways of arsenic in the terrestrial environment. Graphical abstract Trimethylarsine oxide and methylarsonous acid in “deer truffles”
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a unique arsenic speciation profile in Elaphomyces spp deer truffles trimethylarsine oxide and methylarsonous acid as significant arsenic compounds
Analytical and Bioanalytical Chemistry, 2018Co-Authors: Simone Braeuer, Jan Borovicka, Walter GoesslerAbstract:Arsenic and its species were investigated for the first time in nine collections of Elaphomyces spp. (“deer truffles”) from the Czech Republic with inductively coupled plasma mass spectrometry (ICPMS) and high-performance liquid chromatography coupled to ICPMS. The total arsenic concentrations ranged from 12 to 42 mg kg−1 dry mass in samples of E. asperulus and from 120 to 660 mg kg−1 dry mass in E. granulatus and E. muricatus. These concentrations are remarkably high for terrestrial organisms and demonstrate the arsenic-accumulating ability of these fungi. The dominating arsenic species in all samples was methylarsonic acid which accounted for more than 30% of the extractable arsenic. Arsenobetaine, dimethylarsinic acid, and inorganic arsenic were present as well, but only at trace concentrations. Surprisingly, we found high amounts of trimethylarsine oxide in all samples (0.32–28% of the extractable arsenic). Even more remarkable was that all but two samples contained significant amounts of the highly toxic trivalent arsenic compound methylarsonous acid (0.08–0.73% of the extractable arsenic). This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terrestrial organism. Our findings point out that there is still a lot to be understood about the biotransformation pathways of arsenic in the terrestrial environment.
Jan Borovicka - One of the best experts on this subject based on the ideXlab platform.
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A unique arsenic speciation profile in Elaphomyces spp. (“deer truffles”)—trimethylarsine oxide and methylarsonous acid as significant arsenic compounds
Analytical and Bioanalytical Chemistry, 2018Co-Authors: Simone Braeuer, Jan Borovicka, Walter GoesslerAbstract:Arsenic and its species were investigated for the first time in nine collections of Elaphomyces spp. (“deer truffles”) from the Czech Republic with inductively coupled plasma mass spectrometry (ICPMS) and high-performance liquid chromatography coupled to ICPMS. The total arsenic concentrations ranged from 12 to 42 mg kg^−1 dry mass in samples of E. asperulus and from 120 to 660 mg kg^−1 dry mass in E. granulatus and E. muricatus . These concentrations are remarkably high for terrestrial organisms and demonstrate the arsenic-accumulating ability of these fungi. The dominating arsenic species in all samples was methylarsonic acid which accounted for more than 30% of the extractable arsenic. Arsenobetaine, dimethylarsinic acid, and inorganic arsenic were present as well, but only at trace concentrations. Surprisingly, we found high amounts of trimethylarsine oxide in all samples (0.32–28% of the extractable arsenic). Even more remarkable was that all but two samples contained significant amounts of the highly toxic trivalent arsenic compound methylarsonous acid (0.08–0.73% of the extractable arsenic). This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terrestrial organism. Our findings point out that there is still a lot to be understood about the biotransformation pathways of arsenic in the terrestrial environment. Graphical abstract Trimethylarsine oxide and methylarsonous acid in “deer truffles”
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a unique arsenic speciation profile in Elaphomyces spp deer truffles trimethylarsine oxide and methylarsonous acid as significant arsenic compounds
Analytical and Bioanalytical Chemistry, 2018Co-Authors: Simone Braeuer, Jan Borovicka, Walter GoesslerAbstract:Arsenic and its species were investigated for the first time in nine collections of Elaphomyces spp. (“deer truffles”) from the Czech Republic with inductively coupled plasma mass spectrometry (ICPMS) and high-performance liquid chromatography coupled to ICPMS. The total arsenic concentrations ranged from 12 to 42 mg kg−1 dry mass in samples of E. asperulus and from 120 to 660 mg kg−1 dry mass in E. granulatus and E. muricatus. These concentrations are remarkably high for terrestrial organisms and demonstrate the arsenic-accumulating ability of these fungi. The dominating arsenic species in all samples was methylarsonic acid which accounted for more than 30% of the extractable arsenic. Arsenobetaine, dimethylarsinic acid, and inorganic arsenic were present as well, but only at trace concentrations. Surprisingly, we found high amounts of trimethylarsine oxide in all samples (0.32–28% of the extractable arsenic). Even more remarkable was that all but two samples contained significant amounts of the highly toxic trivalent arsenic compound methylarsonous acid (0.08–0.73% of the extractable arsenic). This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terrestrial organism. Our findings point out that there is still a lot to be understood about the biotransformation pathways of arsenic in the terrestrial environment.
Michael A Castellano - One of the best experts on this subject based on the ideXlab platform.
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Chapter 4: Hongos Hipogeos de Tamulipas, Mexico
2020Co-Authors: Gonzalo Guevara-guerrero, Michael A Castellano, Jesús García, Efren Cazares-gonzalez, Gregory Bonito, Rosanne A. Healy, B. Stielow, Fortunato Garza-ocañas, James M. TrappeAbstract:Twenty genera of hypogeous fungi or truffles are reported and illustrated from the State of Tamaulipas. The truffles belong to the following phyla: Glomeromycota (Glomus); Zygomycota (Endogone); hypogeous Ascomycota (Elaphomyces, Genabea, Genea, Hydnobolites, Pachyphloeus, Tuber); and Basidiomycota (Arcangeliella, Aroramyces, Cystangium, Gautieria, Gymnomyces, Hymenogster; Hysterangium, Melanogaster, Octaviania, Rhizopogon, Sclerogaster and Thaxterogasier) . Comments on their ecology and taxonomic status are provided for most genera.
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three new black Elaphomyces species elaphomycetaceae eurotiales ascomycota from eastern north america with notes on selected european species
Fungal systematics and evolution, 2018Co-Authors: Michael A Castellano, Todd F Elliott, James M. TrappeAbstract:We describe three new species of Elaphomyces from eastern North America. Of the three, Elaphomyces loebiae is the rarest, known only from North Carolina and South Carolina, and appears to associate primarily with ectomycorrhizal hardwoods but possibly also with conifers. Elaphomyces cibulae is widely distributed but disjunct from Florida, Mississippi, and North Carolina. Elaphomyces cibulae seems to primarily associate with Quercus species. Elaphomyces mitchelliae has the widest distribution of the three species, from Florida, Maryland, North Carolina, Virginia, and West Virginia, and appears to associate with either ectomycorrhizal hardwoods and/or conifers. In the course of comparing our new Elaphomyces species to previously described European species we discovered that E. persoonii var. minor is conspecific in all essential details with and thus a synonym of E. cyanosporus.
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Elaphomyces species elaphomycetaceae eurotiales from bartlett experimental forest new hampshire usa
IMA Fungus. 8(1): 49-63., 2017Co-Authors: Michael A Castellano, Ryan B. StephensAbstract:We describe five new species of Elaphomyces from Bartlett Experimental Forest, New Hampshire, USA (E. americanus, E. bartlettii, E. macrosporus, E. oreoides, and E. remickii) and revise the description of a sixth previously published species (E. verruculosus). Of the five new species, E. bartlettiii and E. remickii are only known from New Hampshire whereas E. americanus, E. macrosporus, and E. oreoides are widely distributed in eastern North America. Elaphomyces verruculosus is the most widespread and abundant Elaphomyces species in eastern North America with a distribution extending from eastern Canada south to northeastern Mexico. All six Elaphomyces species are putatively associated with Tsuga canadensis, a tree species in regional decline. For five of the six Elaphomyces species, we report partially consumed ascomata or rodent fecal samples containing spores, indicating that small mammals play a key role in dispersing these Elaphomyces species and that the Elaphomyces are an important part of the small mammals’ diet.
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new species of Elaphomyces elaphomycetaceae eurotiales ascomycota from tropical rainforests of cameroon and guyana
IMA Fungus, 2016Co-Authors: Michael A Castellano, Bryn T M Dentinger, Olivier Sene, Todd F Elliott, Camille Truong, Terry W HenkelAbstract:The sequestrate false truffles Elaphomyces favosus, E. iuppitercellus, and E. labyrinthinus spp. nov. are described as new to science from the Dja Biosphere Reserve, Cameroon. Elaphomyces adamizans sp. nov. is described as new from the Pakaraima Mountains of Guyana. The Cameroonian species are the first Elaphomyces taxa to be formally described from Africa, occurring in lowland Guineo-Congolian tropical rainforests dominated by the ectomycorrhizal (ECM) canopy tree Gilbertiodendron dewevrei (Fabaceae subfam. Caesalpinioideae). The Guyanese species is the third to be discovered in lowland tropical South America, occurring in forests dominated by the ECM trees Pakaraimaea dipterocarpacea (Dipterocarpaceae) and Dicymbe jenmanii (Fabaceae subfam. Caesalpinioideae). Macromorphological, micromorphological, habitat, and DNA sequence data are provided for each new species. Molecular and morphological data place these fungi in Elaphomycetaceae (Eurotiales, Ascomycota). Unique morphological features are congruent with molecular delimitation of each of the new species based on a phylogenetic analysis of the rDNA ITS and 28S loci across the Elaphomycetaceae. The phylogenetic analysis also suggests that a common ancestor is shared between some Elaphomyces species from Africa and South America, and that species of the stalked, volvate genus Pseudotulostoma may be nested in Elaphomyces.
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Turkish truffles I: 18 new records for Turkey
Turkish Journal of Botany, 2015Co-Authors: Aziz Türkoğlu, James M. Trappe, Michael A Castellano, Mehrican Yaratanakul GüngörAbstract:We report the first records of 18 truffle species in Turkey. Three belong to the Ascomycota: Elaphomyces leucocarpus, E. muricatus, and Genea sphaerica; and 15 to the Basidiomycota: Alpova corsicus, Gautieria otthii, G. retirugosa, G. trabutii, Hymenogaster citrinus, H. hessei, H. luteus, H. lycoperdineus, Hysterangium clathroides, H. epiroticum, H. fragile, H. nephriticum, Leucogaster tozzianus, Octaviania asterosperma, and Protoglossum aromaticum. We also report new localities within Turkey for Picoa juniperi, P. lefebvrei, Geopora cooperi, Terfezia arenaria, T. claveryi, Tuber aestivum, and T. nitidum in the Ascomycota; and Leucogaster nudus, Hymenogaster thwaitesii, H. vulgaris, and Melanogaster broomeanus in the Basidiomycota.
James M. Trappe - One of the best experts on this subject based on the ideXlab platform.
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Chapter 4: Hongos Hipogeos de Tamulipas, Mexico
2020Co-Authors: Gonzalo Guevara-guerrero, Michael A Castellano, Jesús García, Efren Cazares-gonzalez, Gregory Bonito, Rosanne A. Healy, B. Stielow, Fortunato Garza-ocañas, James M. TrappeAbstract:Twenty genera of hypogeous fungi or truffles are reported and illustrated from the State of Tamaulipas. The truffles belong to the following phyla: Glomeromycota (Glomus); Zygomycota (Endogone); hypogeous Ascomycota (Elaphomyces, Genabea, Genea, Hydnobolites, Pachyphloeus, Tuber); and Basidiomycota (Arcangeliella, Aroramyces, Cystangium, Gautieria, Gymnomyces, Hymenogster; Hysterangium, Melanogaster, Octaviania, Rhizopogon, Sclerogaster and Thaxterogasier) . Comments on their ecology and taxonomic status are provided for most genera.
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three new black Elaphomyces species elaphomycetaceae eurotiales ascomycota from eastern north america with notes on selected european species
Fungal systematics and evolution, 2018Co-Authors: Michael A Castellano, Todd F Elliott, James M. TrappeAbstract:We describe three new species of Elaphomyces from eastern North America. Of the three, Elaphomyces loebiae is the rarest, known only from North Carolina and South Carolina, and appears to associate primarily with ectomycorrhizal hardwoods but possibly also with conifers. Elaphomyces cibulae is widely distributed but disjunct from Florida, Mississippi, and North Carolina. Elaphomyces cibulae seems to primarily associate with Quercus species. Elaphomyces mitchelliae has the widest distribution of the three species, from Florida, Maryland, North Carolina, Virginia, and West Virginia, and appears to associate with either ectomycorrhizal hardwoods and/or conifers. In the course of comparing our new Elaphomyces species to previously described European species we discovered that E. persoonii var. minor is conspecific in all essential details with and thus a synonym of E. cyanosporus.
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Turkish truffles I: 18 new records for Turkey
Turkish Journal of Botany, 2015Co-Authors: Aziz Türkoğlu, James M. Trappe, Michael A Castellano, Mehrican Yaratanakul GüngörAbstract:We report the first records of 18 truffle species in Turkey. Three belong to the Ascomycota: Elaphomyces leucocarpus, E. muricatus, and Genea sphaerica; and 15 to the Basidiomycota: Alpova corsicus, Gautieria otthii, G. retirugosa, G. trabutii, Hymenogaster citrinus, H. hessei, H. luteus, H. lycoperdineus, Hysterangium clathroides, H. epiroticum, H. fragile, H. nephriticum, Leucogaster tozzianus, Octaviania asterosperma, and Protoglossum aromaticum. We also report new localities within Turkey for Picoa juniperi, P. lefebvrei, Geopora cooperi, Terfezia arenaria, T. claveryi, Tuber aestivum, and T. nitidum in the Ascomycota; and Leucogaster nudus, Hymenogaster thwaitesii, H. vulgaris, and Melanogaster broomeanus in the Basidiomycota.
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sequestrate fungi of new zealand Elaphomyces ascomycota eurotiales elaphomycetaceae
New Zealand Journal of Botany, 2012Co-Authors: Michael A Castellano, Ross E Beever, James M. TrappeAbstract:Four species of the sequestrate fungal genus Elaphomyces are reported from New Zealand: Elaphomyces bollardii sp. nov. associated with Leptospermum spp. and Kunzea ericoides, E. luteicrustus sp. nov. associated with Nothofagus menziesii, E. putridus sp. nov. associated with Nothofagus spp., and an unnamed species associated with Nothofagus spp.
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Elaphomyces appalachiensis and e verruculosus sp nov ascomycota eurotiales elaphomycetaceae from eastern north america
Revista Mexicana de Micologia. 35: 17-22., 2012Co-Authors: Michael A Castellano, Gonzalo Guevara Guerrero, Jesus Garcia Jimenez, James M. TrappeAbstract:Resumen. Se describe Elaphomyces verruculosus como una nueva especie del este de Norteamerica con un rango de distribucion que va desde Quebec, Canada hacia el sur a lo largo del este de E.U.A. y costa del Golfo hasta el noreste de Mexico. Elaphomyces verruculosus es similar en morfologia general a E. granulatus de Europa. Ademas se redescribe E. appalachiensis y se reporta su presencia en Florida, Iowa, Tennessee, oeste de Virginia y Mexico. Palabras clave: Pinus, Quercus, secotiode, ectomicorriza.