Evidence map›Paper›PMID 38866480›Full record

ArticleMicrobes and environments2024

Formation of Biogenic Manganese Oxide Nodules on Hyphae of a New Fungal Isolate of Periconia That Immobilizes Aqueous Copper.

Shihori Tsushima, Yuma Nishi, Ryo Suzuki, Masaru Tachibana, Robert A Kanaly, Jiro F Mori

Abstract read
In one paragraph

Article in Microbes and environments, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Transcriptomic profiling ofMicrobial genomics · 2025
    Article
4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Shihori TsushimaGraduate School of Nanobioscience, Yokohama City University.
Yuma NishiGraduate School of Nanobioscience, Yokohama City University.
Ryo SuzukiGraduate School of Nanobioscience, Yokohama City University.
Masaru TachibanaGraduate School of Nanobioscience, Yokohama City University.
Robert A KanalyGraduate School of Nanobioscience, Yokohama City University.
Jiro F MoriGraduate School of Nanobioscience, Yokohama City University.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Mn(II)-oxidizing microorganisms are considered to play significant roles in the natural geochemical cycles of Mn and other heavy metals because the insoluble biogenic Mn oxides (BMOs) that are produced by these microorganisms adsorb other dissolved heavy metals and immobilize them as precipitates. In the present study, a new Mn(II)-oxidizing fungal strain belonging to the ascomycete genus Periconia, a well-studied plant-associating fungal genus with Mn(II)-oxidizing activity that has not yet been exami-ned in detail, was isolated from natural groundwater outflow sediment. This isolate, named strain TS-2, was confirmed to oxidize dissolved Mn(II) and produce insoluble BMOs that formed characteristic, separately-located nodules on their hyphae while leaving major areas of the hyphae free from encrustation. These BMO nodules also adsorbed and immobilized dissolved Cu(II), a model analyte of heavy metals, as evidenced by elemental mapping ana-lyses of fungal hyphae-BMO assemblages using a scanning electron microscope with energy-dispersive X-ray spectroscopy (SEM-EDX). Analyses of functional genes within the whole genome of strain TS-2 further revealed the presence of multiple genes predicted to encode laccases/multicopper oxidases that were potentially responsible for Mn(II) oxidation by this strain. The formation of BMO nodules may have functioned to prevent the complete encrustation of fungal hyphae, thereby enabling the control of heavy metal concentrations in their local microenvironments while maintaining hyphal functionality. The present results will expand our knowledge of the physiological and morphological traits of Mn(II)-oxidizing Periconia, which may affect the natural cycle of heavy metals through their immobilization.

Indexed as

CopperHyphaeManganese CompoundsOxidesAscomycotaGeologic SedimentsGroundwaterManganeseMicroscopy, Electron, ScanningOxidation-ReductionPhylogenyCopperManganeseManganese Compoundsmanganese oxideOxidesbiogenic Mn oxidesheavy metalsmanganese-oxidizing fungusPericonia

Identifiers

PMID38866480
PMCPMC11220447

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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.