4.7 Article

Short-chain polyphosphate in arbuscular mycorrhizal roots colonized by Glomus spp.: A possible phosphate pool for host plants

Journal

SOIL BIOLOGY & BIOCHEMISTRY
Volume 41, Issue 7, Pages 1571-1573

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.soilbio.2009.04.002

Keywords

Arbuscular mycorrhizal fungi; Glomus spp.; Polyphosphate; Chain length; Polyphosphate kinase; Polyphosphate exopolyphosphatase

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Funding

  1. JSPS [18380053, 20380044]
  2. Grants-in-Aid for Scientific Research [18380053, 20380044] Funding Source: KAKEN

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We investigated the relationship between plant growth and polyphosphate (poly P) content in Allium fistulosum roots colonized by Glomus sp. R10 or Glomus etunicatum with different levels of phosphate addition. Poly P was quantified by two enzymatic assays: long-chain poly P (>similar to 20 inorganic phosphate [P-i] residues) with polyphosphate kinase, and total poly P with polyphosphate exopolyphosphatase. The difference between these values was designated as short-chain poly P (

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