Isolation， identification and degradation characteristics of a novel phosphate\|dissolving fungus strain Galactomyces geotrichum P14

Isolation， identification and degradation characteristics of a novel phosphate\|dissolving fungus strain Galactomyces geotrichum P14

（Hunan Institute of Microbiology， Changsha 410009， China）

Online:2015-04-25 Published:2015-04-30

Abstract

Abstract: A phosphate\|dissolving fungus strain P14 was isolated from soil samples of Liuyang County （Hunan Province， China）. The isolate was identified as Galactomyces geotrichum P14 based on its 18S rDNA sequence， morphological physiological and biochemical characteristics. Its activity was measured in solid media as well as liquid media using different phosphate sources including tricalcium phosphate， zinc phosphate， hydroxyapatite and so on. It could strongly dissolve 1 2521 mg tricalcium phosphate in per liter liquid media. It showed high phosphate\|dissolving ability for rock phosphates from Liuyang County， Jinning County and Shimen County with the capacity of 105.52， 83.04 and 78.82 mg soluble phosphate， respectively， per liter medium， whereas the phosphate\|dissolving ability of rock phosphates from Yuanling County and Yaan County was weak.

Key words: phosphate\, dissolving microorganism, Galactomyces geotrichum, identification, phosphate solubilization

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Isolation， identification and degradation characteristics of a novel phosphate\|dissolving fungus strain Galactomyces geotrichum P14

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