The (oxalato)aluminate complex as an antimicrobial substance protecting the "shiro" of Tricholoma matsutake from soil micro-organisms

Katsutoshi Nishino, Misao Shiro, Ryuki Okura, Kazuya Oizumi, Toru Fujita, Takahiro Sasamori, Norihiro Tokitoh, Akiyoshi Yamada, Chihiro Tanaka, Muneyoshi Yamaguchi, Syuntaro Hiradate, Nobuhiro Hirai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Tricholoma matsutake, a basidiomycete, forms ectomycorrhizas with Pinus densiflora as the host tree. Its fruiting body, "matsutake" in Japanese, is an edible and highly prized mushroom, and it grows in a circle called a fairy ring. Beneath the fairy ring of T. matsutake, a whitish mycelium-soil aggregated zone, called "shiro" in Japanese, develops. The front of the shiro, an active mycorrhizal zone, functions to gather nutrients from the soil and roots to nourish the fairy ring. Bacteria and sporulating fungi decrease from the shiro front, whereas they increase inside and outside the shiro front. Ohara demonstrated that the shiro front exhibited antimicrobial activity, but the antimicrobial substance has remained unidentified for 50 years. We have identified the antimicrobial substance as the (oxalato)aluminate complex, known as a reaction product of oxalic acid and aluminum phosphate to release soluble phosphorus. The complex protects the shiro from micro-organisms, and contributes to its development.

Original languageEnglish
Pages (from-to)102-111
Number of pages10
JournalBioscience, Biotechnology and Biochemistry
Volume81
Issue number1
DOIs
Publication statusPublished - Jan 1 2017
Externally publishedYes

Fingerprint

Tricholoma
Soil
Soils
Oxalic Acid
Basidiomycota
Pinus
Agaricales
Mycelium
Fungi
Reaction products
Phosphorus
Nutrients
Bacteria
Food

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

Cite this

The (oxalato)aluminate complex as an antimicrobial substance protecting the "shiro" of Tricholoma matsutake from soil micro-organisms. / Nishino, Katsutoshi; Shiro, Misao; Okura, Ryuki; Oizumi, Kazuya; Fujita, Toru; Sasamori, Takahiro; Tokitoh, Norihiro; Yamada, Akiyoshi; Tanaka, Chihiro; Yamaguchi, Muneyoshi; Hiradate, Syuntaro; Hirai, Nobuhiro.

In: Bioscience, Biotechnology and Biochemistry, Vol. 81, No. 1, 01.01.2017, p. 102-111.

Research output: Contribution to journalArticle

Nishino, K, Shiro, M, Okura, R, Oizumi, K, Fujita, T, Sasamori, T, Tokitoh, N, Yamada, A, Tanaka, C, Yamaguchi, M, Hiradate, S & Hirai, N 2017, 'The (oxalato)aluminate complex as an antimicrobial substance protecting the "shiro" of Tricholoma matsutake from soil micro-organisms', Bioscience, Biotechnology and Biochemistry, vol. 81, no. 1, pp. 102-111. https://doi.org/10.1080/09168451.2016.1238298
Nishino, Katsutoshi ; Shiro, Misao ; Okura, Ryuki ; Oizumi, Kazuya ; Fujita, Toru ; Sasamori, Takahiro ; Tokitoh, Norihiro ; Yamada, Akiyoshi ; Tanaka, Chihiro ; Yamaguchi, Muneyoshi ; Hiradate, Syuntaro ; Hirai, Nobuhiro. / The (oxalato)aluminate complex as an antimicrobial substance protecting the "shiro" of Tricholoma matsutake from soil micro-organisms. In: Bioscience, Biotechnology and Biochemistry. 2017 ; Vol. 81, No. 1. pp. 102-111.
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