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Diversity and systematics of the sequestrate genus Octaviania in Japan: two new subgenera and eleven new species Naturalis
Orihara, T.; Smith, M.E.; Shimomura, N.; Iwase, K.; Maekawa, N..
The sequestrate fungi of Japan, including truffle and truffle-like fungi, have not been well characterized but are potentially diverse. We investigated the diversity and phylogeny of Japanese Octaviania specimens using a multifaceted approach including scanning and transmission electron microscopy as well as analysis of nuclear ribosomal DNA (ITS and LSU) and EF-1α (tef1) sequences. Phylogenetic analyses indicate that the genus Octaviania is divided into three major clades, and that there are at least 12 species-level lineages in Japan. Accordingly, we describe two new subgenera, Parcaea and Fulvoglobus, and eleven new species. Subgenus Parcaea accommodates four highly divergent, but macromorphologically almost indiscernible cryptic species. We discuss not...
Tipo: Article / Letter to the editor Palavras-chave: Biogeography; Boletaceae; Cryptic species; Hypogeous fungi; Phylogeny; Taxonomy.
Ano: 2012 URL: http://www.repository.naturalis.nl/record/531994
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Evolutionary history of the sequestrate genus Rossbeevera (Boletaceae) reveals a new genus Turmalinea and highlights the utility of ITS minisatellite-like insertions for molecular identification Naturalis
Orihara, T.; Lebel, T.; Ge, Z.-W.; Smith, M.E.; Maekawa, N..
The sequestrate (truffle-like) basidiomycete genera Rossbeevera, Chamonixia, and Octaviania are closely related to the epigeous mushroom genera Leccinum and Leccinellum. In order to elucidate the properties and placement of several undescribed sequestrate taxa in the group and to reveal the evolutionary history of Rossbeevera and its allies, we conducted phylogenetic analyses based on three nuclear (ITS, nLSU, EF-1α) and two mitochondrial DNA loci (ATP6 and mtSSU) as well as precise morphological observations. Phylogenetic analyses of three nuclear loci suggest a complex evolutionary history with sequestrate fruiting bodies present in several clades, including a previously unrecognized sister clade to Rossbeevera. Here we propose a new sequestrate genus,...
Tipo: Article / Letter to the editor Palavras-chave: Biogeography; Cryptic species; DNA barcoding; Hypogeous fungi; Introgression; Species tree.
Ano: 2016 URL: http://www.repository.naturalis.nl/record/611857
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Maize: Breeding and Field Testing for Organic Farmers Organic Eprints
Goldstein, W.A.; Schmidt, W.; Burger, H.; Messmer, M.; Pollak, L.M.; Smith, M.E.; Goodman, M.M.; Kutka, F.J.; Pratt, R.C..
This chapter contains sections titled: - Introduction - What Kind of Maize do Organic Farmers Want? - Are There Viable Alternatives to Single Cross Hybrids? - Testing and Using Alternative Hybrids - Are There Benefits for Breeding under Organic Conditions? - For Which Traits Is It Necessary to Test under Organic Conditions? - Choice of Parents for Breeding Programs - Breeding Programs - Future Directions - Notes - References
Tipo: Book chapter Palavras-chave: Breeding; Genetics and propagation Root crops.
Ano: 2011 URL: http://orgprints.org/26610/1/goldstein-etal-2011-maize_breeding-chapter10-p175-189.pdf
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Phylogenetic lineages in Entomophthoromycota Naturalis
Gryganskyi, A.P.; Humber, R.A.; Smith, M.E.; Hodge, K.; Huang, B.; Voigt, K.; Vilgalys, R..
Entomophthoromycota is one of six major phylogenetic lineages among the former phylum Zygomycota. These early terrestrial fungi share evolutionarily ancestral characters such as coenocytic mycelium and gametangiogamy as a sexual process resulting in zygospore formation. Previous molecular studies have shown the monophyly of Entomophthoromycota, thus justifying raising the taxonomic status of these fungi to a phylum. Multi-gene phylogenies have identified five major lineages of Entomophthoromycota. In this review we provide a detailed discussion about the biology and taxonomy of these lineages: I) Basidiobolus (Basidiobolomycetes: Basidiobolaceae; primarily saprobic); II) Conidiobolus (Entomophthoromycetes, Ancylistaceae; several clades of saprobes and...
Tipo: Article / Letter to the editor Palavras-chave: Basidiobolus; Batkoa; Bayesian inference (BI); Conidiobolus; Entomophthora; Entomophthorales; Entomophthoromycotina; Maximum likelihood (ML); Phylogeny; Zoophthora.
Ano: 2013 URL: http://www.repository.naturalis.nl/record/532278
Registros recuperados: 4
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