Phosphate-solubilizing bacteria associated with proteoid roots of seedlings of waratah [Telopea speciosissima (Sm.) R.Br.

Bacteria isolated from proteoid roots and non-proteoid lateral roots of Telopea speciosissima (Sm.) R.Br. seedlings were able to acidify the medium and solubilize calcium phosphates when grown in culture in the presence of ammonium salts and an appropriate carbon source. In general this activity was...

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Veröffentlicht in:The New phytologist. - 1979. - 128(1994), 3 vom: 20. Nov., Seite 487-496
1. Verfasser: Wenzel, C L (VerfasserIn)
Weitere Verfasser: Ashford, A E, Summerell, B A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 1994
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Proteoid roots ammonium nutrition phosphate-solubilizing bacteria soil acidification soil calcium
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520 |a Bacteria isolated from proteoid roots and non-proteoid lateral roots of Telopea speciosissima (Sm.) R.Br. seedlings were able to acidify the medium and solubilize calcium phosphates when grown in culture in the presence of ammonium salts and an appropriate carbon source. In general this activity was not detected when NO3 - was substituted for NH4 + , and it is proposed that protons were secreted in exchange for ammonium ions. Cation exchange between these protons and calcium in the medium is a possible cause of the calcium phosphate solubilizing activity. The relevance of these data to phosphate-solubilizing activity in natural environments is discussed 
650 4 |a Journal Article 
650 4 |a Proteoid roots 
650 4 |a ammonium nutrition 
650 4 |a phosphate-solubilizing bacteria 
650 4 |a soil acidification 
650 4 |a soil calcium 
700 1 |a Ashford, A E  |e verfasserin  |4 aut 
700 1 |a Summerell, B A  |e verfasserin  |4 aut 
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