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Gromovyh, Т.I., Litovka, Y.А., Sadykova, V.S. and Gabdulina, И.G.-М. (2005) Perspective for applicationincrop science/biological features of a new strain of streptomyces lateritius 19/97-М, promising for use in crop science. Biotechnology, 5, 37-40.

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• TITLE: Assessment of biotechnological potential of phosphate solubilizing bacteria isolated from soils of Southern Kazakhstan

  AUTHORS: Rakhilya Aipova, Svetlana A. Aitkeldiyeva, Askar A. Kurmanbayev, Amangeldy K. Sadanov, Olga B. Topalova

  KEYWORDS: Soil; Phosphate Solubilizing Bacteria; Identification; Labile Phosphorus; Fertilizers; Phosphate; Phosphorus

  JOURNAL NAME: Natural Science, Vol.2 No.8, August 25, 2010

  ABSTRACT: Phosphorus (P) is a vital plant nutrient, available to plant roots only in soluble forms that are in short supply in the soil. Adding phosphate- based fertilizers to increase agricultural yields is a widely used practice; however, the bio- availability of P remains low due to chemical transformations of P into insoluble forms. Thus, phosphate solubilizing bacteria (PSB) play an important role in reducing P deficiency in soil. The goal of this study was to assess biotechnological potential of phosphate-solubilizing bacterial strains. In this study, phosphate solubilizing microorganisms (PSM) were isolated from different soil samples of Southern regions of Kazakhstan. The biological activity of PSM was studied based on their effect on the growth of wheat seeds. The different taxonomic genera of these PSM were identified: Arthrobacter spp., Aureobacterium spp., Azotobacter spp., Bacterium spp., Baccillus spp. Finally, phosphate- solubilizing activity of isolated strains of PSM was assessed.