Dataset Information

Phylogeny and morphology of new species of Globisporangium.

ABSTRACT: An isolate originally obtained from pond water in Osaka in 1992 and identified as Pythium marsipium, was subsequently classified as Globisporangium marsipium. According to molecular phylogenetic analyses based on the internal transcribed spacer regions of the nuclear ribosomal RNA and mitochondrial cytochrome c oxidase subunit 1 genes, this isolate was shown to represent a new species, described here as G. lacustre sp. nov. In addition, two further new combinations are introduced in Globisporangium as G. camurandrum and G. takayamanum based on their DNA phylogeny.

SUBMITTER: Uzuhashi S

PROVIDER: S-EPMC7235979 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Phylogeny and morphology of new species of Globisporangium.

Uzuhashi S S Nakagawa S S Abdelzaher H M A HMA Tojo M M

Fungal systematics and evolution 20181128

An isolate originally obtained from pond water in Osaka in 1992 and identified as Pythium marsipium, was subsequently classified as Globisporangium marsipium. According to molecular phylogenetic analyses based on the internal transcribed spacer regions of the nuclear ribosomal RNA and mitochondrial cytochrome c oxidase subunit 1 genes, this isolate was shown to represent a new species, described here as G. lacustre sp. nov. In addition, two further new combinations are intro ...[more]

PMID: 32467896

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Project description:Wood-decaying fungi represent a vital group of higher fungi that drive the cycling of matter and energy in forest ecosystems, and they have been the focus of thorough investigation. In this study, five new species, viz. Botryobasidiumdaweishanense, Inonotussubglobisporum, Kneiffiellabubalina, Xylodongranulanoides, and X.granulans from China, are described and illustrated based on the morphological characteristics and molecular phylogenetic analyses, in which the sequences of ITS+nLSU genes were used for the phylogenetic analyses by maximum likelihood and Bayesian inference methods. The phylogeny revealed that the Botryobasidiumdaweishanense groups with three taxa, viz., B.intertextum, B.leptocystidiatum, and B.subcoronatum. Inonotussubglobisporum is closely related to I.radiatus. Kneiffiellabubalina clustered sister to K.subalutacea. Xylodongranulanoides and X.granulans have a close relationship with X.bambusinus, X.fissuratus, X.subclavatus, X.montanus, and X.wenshanensis. Additionally, Xylodongranulanoides and X.granulans clustered together. Botryobasidiumdaweishanense is characterized by an araneose hymenial surface, fusiform, and cyanophilous basidiospores (6.1-7.3 × 3.3-3.9 μm). Inonotussubglobisporum is characterized by perennial basidiomata with lateral stipes, polygon pores measuring 4-6 per mm, and subglobose, cyanophilous basidiospores (3.6-4.3 × 2.8-3.5 μm). Kneiffiellabubalina is characterized by cream basidiomata and cylindrical to slightly allantoid basidiospores (8.0-8.9 × 1.8-2.3 μm). Xylodongranulanoides is characterized by grandinioid hymenial surfaces, various cystidia, and broadly ellipsoid, thick-walled basidiospores (4.7-5.3 × 3.6-4.1 μm). Xylodongranulans is characterized by grandinioid hymenial surfaces, capitate and clavate cystidia, and broadly ellipsoid basidiospores (3.8-4.2 × 2.9-3.3 μm). Phylogenetic analysis based on internal transcribed spacer (ITS) and nuclear large subunit RNA (nLSU) shows that the four species are members of Hymenochaetales, and one belongs to Cantharellales. All five new species are compared with morphologically and phylogenetically closely related species. The present study contributes to understanding the species diversity, taxonomy, and phylogeny of macrofungi in Southwestern China.

Dataset Information

Phylogeny and morphology of new species of Globisporangium.

Publications

Phylogeny and morphology of new species of <i>Globisporangium</i>.

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