Evidence map›Paper›PMID 39083124›Full record

ArticleAntonie van Leeuwenhoek2024

Phylogenetic and morphological re-evaluation of Camptophora.

Akira Hashimoto, Saho Shibata, Yuuri Hirooka, Moriya Ohkuma

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Article in Antonie van Leeuwenhoek, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Akira Hashimoto *Japan Collection of Microorganisms RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan. akira.hashimoto@riken.jp.ORCID http://orcid.org/0000-0001-7834-3933
Saho Shibata *Department of Clinical Plant Science, Faculty of Bioscience, Hosei University, Koganei, Tokyo, 184-8584, Japan.ORCID http://orcid.org/0000-0003-2336-6948
Yuuri HirookaDepartment of Clinical Plant Science, Faculty of Bioscience, Hosei University, Koganei, Tokyo, 184-8584, Japan.
Moriya OhkumaJapan Collection of Microorganisms RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.

Funding

Competitive Program for Creative Science and Technology, RIKEN Science Council, RIKEN Scientists' Assembly Steering Committee FY 2023 Incentive Research ProjectsJSPS KAKENHI 19H05689JSPS KAKENHI 21K15155
6 · The paper itself

Abstract

The genetic variety and habitats of Camptophora species, generally known as black yeast, have not been clarified. In this study, we re-evaluated Camptophora based on morphological observations and phylogenetic analyses. Because prior investigations on Camptophora only included a few strains/specimens, 24 Camptophora-related strains were newly obtained from 13 leaf samples of various plant species to redefine the genetic and species concepts of Camptophora. Their molecular phylogenetic relationships were examined using small subunit nuclear ribosomal DNA (nSSU, 18S rDNA), the internal transcribed spacer (ITS) rDNA operon, the large subunit nuclear ribosomal DNA (LSU, 28S rDNA), β-tubulin, the second largest subunit of RNA polymerase II (rpb2), and mitochondrial small subunit DNA (mtSSU). Single- and multi-locus analyses using nSSU-ITS-LSU-rpb2-mtSSU revealed a robust phylogenetic relationship among Camptophora species within Chaetothyriaceae. Camptophora species could be distinguished from other chaetothyriaceous genera by their snake-shaped conidia with microcyclic conidiation and loosely interwoven mycelial masses. Based on the results of phylogenetic analyses, two undescribed lineages were recognized, and Ca. schimae was excluded from the genus. ITS sequence comparison with environmental DNA sequences revealed that the distribution of the genus is restricted to the Asia-Pacific region. Camptophora has been isolated or detected from abrupt sources, and this was attributed to its microcycle. The mechanisms driving genetic diversity within species are discussed with respect to their phyllosphere habitats.

Indexed as

DNA, FungalPhylogenyAscomycotaDNA, RibosomalDNA, Ribosomal SpacerPlant LeavesRNA Polymerase IISequence Analysis, DNASpores, FungalTubulinDNA, FungalDNA, RibosomalDNA, Ribosomal SpacerRNA Polymerase IITubulinBlack yeastEvolutionExtreme environmentMicroscopic observationSystematics

Identifiers

PMID39083124

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.