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@article{Ilyas*_2011, title={Production of Phophatase by mutated fungal strains}, volume={1}, url={https://www.updatepublishing.com/journal/index.php/imrj/article/view/1454}, abstractNote={<p class="MsoListParagraph" style="text-justify: inter-ideograph; text-align: justify; line-height: normal; margin: 0in 34.3pt 0pt 35.45pt; mso-add-space: auto; mso-layout-grid-align: none;"><span style="font-family: ";Arial Narrow";,";sans-serif";; font-size: 10pt; mso-bidi-font-weight: bold;" lang="EN-IN">Phosphate solubilizing microorganisms were isolated from</span><span style="font-family: ";Arial Narrow";,";sans-serif";; font-size: 10pt;" lang="EN-IN"> rhizosphere soils of rice fields around Mannachanalur area, Tiruchirappali district of Tamilnadu. The isolated fungal cultures were identified as <em><span style="mso-bidi-font-weight: bold;">Aspergillus niger,</span> <span style="mso-bidi-font-weight: bold;">Aspergillus fumigatus</span></em> and <em><span style="mso-bidi-font-weight: bold;">Penicillium sp.</span></em><span style="mso-bidi-font-weight: bold;"> The efficacy of Phosphatase activity of fungal strains was carried out. The fungal strains were subjected to random mutational studies such as UV and chemical mutation. </span>The Phosphatase assay was carried out after random mutagenesis using wild and mutated cultures. The efficacy of Phosphatase activity of the wild strains were observed in the descending order of <em>Aspergillus niger</em> > <em>Penicillium </em><span style="mso-bidi-font-style: italic;">sp.</span> > <em>Aspergillus fumigatus.</em> Among the chemical treated fungal strains, <em style="mso-bidi-font-style: normal;"><span style="mso-bidi-font-weight: bold;">Aspergillus niger</span></em> (ANsa120) was the predominant fungal strain for Phosphatase activity. Glucose and Ammonium sulphate were found to be the best carbon and nitrogen source respectively for both phosphate solubilization and phosphatase production. Significance of the findings is discussed in detail. </span></p>}, number={5}, journal={International Multidisciplinary Research Journal}, author={Ilyas*, Jayaraman Rajeshkumar and M.H. Muhammad}, year={2011}, month={Oct.} }