Use of Phytases (myo-Inositolhexakisphosphate Phosphohydrolases) for Combatting Environmental Pollution: A Biological Approach

REFERENCES

• Anonymous . 1998 . Enzymes emerge as big feed supplement. . Chem. Eng. News , 4 May : 29 – 302 .
   Web of Science ®Google Scholar
• Anonymous . 1999 . First in enzyme technology . Agro Food Industry Hi-Tech , March/April : 45
   Google Scholar
• Abelson , P. H. 1999 . A potential phosphate crisis . Science , 283 : 2015 [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Andriotis , V. M. and Ross , J. D. 2003 . Isolation and characterization of phytase from dormant Corylus avellanaseed . Phytochemistry , 64 ( 3 ) : 689 – 699 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Bartlett , G. R. 1982 . Isolation and assay of red cell inositol polyphosphates . Anal. Biochem. , 124 : 425 – 431 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Berridge , M. J. and Irvine , R. F. 1989 . Inositol phosphates and cell signalling . Nature , 341 : 197 – 205 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Boling , S. D. , Douglas , M. W. , Johnson , M. L. , Wang , X. , Parsons , C. M. , Koelkebeck , K. W. and Zimmerman , R. A. 2000 . The effects of dietary available phosphorus levels and phytase performance of young and older laying hens . Poult. Sci. , 79 : 224 – 230 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Broz , J. , Oldale , P. , Perrin-Voltz , A. H. , Rychen , G. , Schulze , J. and Simoes Nunes , C. 1994 . Effects of supplemental phytase on performance and phosphorus utilization in broiler chickens fed on a low phosphorus diet without addition of inorganic phosphates . Br. J. Poult. Sci. , 35 : 273 – 280 . [CSA]
   PubMed Web of Science ®Google Scholar
• Casey , A. and Walsh , G. 2003 . Purification and characterization of extracellular phytase from Aspergillus niger ATCC 9142 . Bioresorurce Technol. , 86 ( 2 ) : 183 – 188 . [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Cheng , K. J. , Selinger , L. B. , Yanke , L. J. , Bae , H. D. , Zhou , L. and Forsberg , C. W. Phytase from rumen microorganisms, particularly of Selenomonus ruminantium and uses thereof in feed additives and in transgenic plants . US Patent 5,985,605 . 1999 .
   Google Scholar
• Cho , J. S. , Lee , C. W. , Kang , S. H. , Lee , J. C. , Bok , J. D. Moon , Y. S. 2003 . Purification and characterization of a phytase from Pseudomonus syringae MOK1 . Curr. Microb. , 47 ( 4 ) : 290 – 294 . [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Common , F. H. 1989 . Biological availability of phosphorus for pigs . Nature , 143 : 370 – 380 .
   Google Scholar
• Day , P. R. 1996 . Genetic modification of plants: significant issues and hurdles to success . Am. J. Clin. Nutr. , 64 : 651S – 656S .
   Google Scholar
• De Angelis , M. , Gallo , G. , Corbo , M. R. , McSweeney , P. L. , Faccia , M. Giovine , M. Phytase activity in sourdoughlactic acid bacteria: purification and characterization of a phytase from Lactobacillus sunfranciscensis CB1 . Int. J. Food Microbiol. , 87 ( 3 ) 259 – 270 . [CSA] [CROSSREF]
   PubMedGoogle Scholar
• Dox , A. W. and Golden , R. 1911 . Phytase in lower fungi . J. Biol. Chem. , 10 : 183 – 185 .
   Google Scholar
• Ebune , A. , Al-Ashes , S. and Duvnjak , Z. 1995 . Production of phytase during solid state fermentation using Aspergillus ficcum NRRL 3135 in canola meal . Bioresource Technol , 53 : 7 – 12 . [CROSSREF]
   Web of Science ®Google Scholar
• Erdman , L. W. and Poneros , S. A. 1989 . Phytic acid interaction with divalent cations in foods and in the gastrointestinal tract . Adv. Exp. Med. Biol. , 249 : 161 – 171 . [PUBMED] [INFOTRIEVE]
   PubMedGoogle Scholar
• Ehrlich , K. C. , Montalbano , B. G. , Mullaney , E. J. , Dischinger , H. C. and Ullah , A. H.J. 1993 . Identification and cloning of a second phytase gene (phyB) from Aspergillus niger(ficuum) . Biochem. Biophy. Res. Commun. , 195 : 53 – 57 . [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Findenegg , G. R. and Nelemans , J. A. 1993 . The effect of phytase on the bioavailability of P from myo-inositolhexaphosphate (phytate) for maize roots . Plant Soil , 154 : 189 – 196 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Gibson , D. M. and Ulla , A. H.J. 1988 . Purification and characterization of phytase from cotyledons of germinating soybean seeds . Arch. Biochem. Biophys. , 260 : 503 – 513 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Graf , E. , Empson , K. L. and Eaton , J. W. 1987 . Phytic acid: A natural antioxidant . J Biol. Chem. , 262 : 11647 – 11650 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Greiner , R. , Konietzny , U. and Jany , K. D. 1993 . Purification and characterization of two phytases from . Escherichia coli. Arch. Biochem. Biophys. , 303 : 107 – 113 . [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Greiner , R. and Konietzny , U. 1996 . Construction of a bioreactor to produce special breakdown products of phytate . J. Biotechnol. , 48 : 153 – 159 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Greiner , R. , Haller , E. , Konietzny , U. and Jany , K. D. 1997 . Purification and characterization of a phytase from Klebsiella terrigena. . Arch. Biochem. Biophys , 341 : 201 – 206 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Greiner , R. and Alminger , M. L. 1999 . Purification and characterization of phytate degrading enzyme from germinated oat ( . Avena sativa). J. Sci. Food Agric. , 79 : 1453 – 1460 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Greiner , R. , Carlson , N.-G. and Alminger , M. L. 2000 . Stereospecificity of myo-inositol hexaphosphate dephosphorylation by phytate degrading enzyme by Escherichia coli, . J. Biotechnol. , 84 : 53 – 62 . [CROSSREF]
   Web of Science ®Google Scholar
• Greiner , R. 2002 . Purification and characterization of phytate degrading enzyme from germinated lupine seed (Lupinus albas var. amiga) . J. Agric. Food Chem. , 50 : 6858 – 6864 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Gutknecht , K. 1997 . Green genes: Alfalfa biofarming is about to take root . Wisconsin Agric. , : 8 – 10 . [CSA]
   Google Scholar
• Golovan , S. , Hayes , M. A. , Phillips , J. P. and Forsberg , C. W. 2001a . Transgenic mice expressing bacterial phytase as a model for phosphorus pollution control . Nat. Struct. Biol , 19 : 429 – 433 .
   Google Scholar
• Golovan , S. , Meidinger , R. G. , Ajakaiye , A. , Cottrill , M. , Wiederkehr , M. Z. , Barney , D. J. , Plante , C. , Pollard , J. W. , Fan , M. Z. , Hayes , M. A. , Laursen , J. , Hjorth , J. P. , Hacker , R. R. , Phillips , J. P. and Forsberg , C. W. 2001 . Pigs expressing salivary phytase produce low phosphorus manure . Nat. Struct. Biol. , 19 : 741 – 745 .
   Google Scholar
• Han , Y. W. , Wilson , D. B. and Lei , X. G. 1999 . Expresion of an Aspergillus niger phytase gene (phyA) in . Saccharomyces cerevisiae. Appl. Environ. Microbiol. , 64 : 4423 – 4427 .
   Google Scholar
• Han , Y. W. and Lei , X. G. 1999 . Role of glycosylation in functional expression of an Aspergillus niger phytase (phy A) in . Pichia pastoris. Arch. Biochem Biophys. , 364 : 83 – 90 . [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Han , Y. W. 1988 . Removal of phytic acid from soybean and cotton seed meals . J. Agric. Food Chem. , 36 : 1181 – 1183 . [CROSSREF]
   Web of Science ®Google Scholar
• Han , Y. W. and Wilfred , D. J. 1988 . Phytate hydrolysis in soybean and cotton seed meals by Aspergillus ficuumphytase . J. Agric. Food Chem. , 36 : 259 – 262 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Howson , S. J. and Davis , R. P. 1983 . Production of phytate-hydrolyzing enzyme by some fungi . Enzyme Microb. Technol. , 5 : 377 – 382 . [CROSSREF]
   Web of Science ®Google Scholar
• Iqbal , T. H. , Lewis , K. O. and Cooper , B. T. 1994 . Phytase activity in the human and rat small intestine . Gut , 35 : 1233 – 1236 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Jariwalla , R. J. , Sabin , R. , Lawson , S. and Herman , Z. S. 1990 . Lowering of serum cholesterol and triglycerides and modulation of divalent cations by dietary phytate . J. Appl. Nutr. , 42 : 18028
   Google Scholar
• Jongbloed , A. W. , Mroz , Z. and Kemme , P. A. 1992 . The effect of supplementary Aspergillus nigerphytase in diets for pigs on concentration and apparent digestibility of dry matter, total phosphorus and phytic acid in different sections of alimentary tract . J. Anim. Sci. , 70 : 1159 – 1168 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Kerovuo , J. , Lappalainen , I. and Reinikainen , T. 2000 . The metal dependance of Bacillus subtilis phytase . Biochem Biophys Res. Commun , 268 : 365 – 369 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Kerovuo , J. , Lauraeus , M. , Nurminen , P. , Kalkkinen , N. and Apajalathi , J. 1998 . Isolation, characterization, molecular gene cloning and sequencing of a novel phytase from Bacillus subtilis . Appl. Environ. Microbiol. , 64 : 2079 – 2085 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Kim , H. W. , Kim , Y. O. , Lee , J. H. , Kim , K. K. and Kim , Y. J. 2003 . Isolation and characterization of a phytase with improved properties from Citrobacter brakii. . Biotech. Lett. , 25 : 1231 – 1234 . [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Kim , Y. O. , Lee , J. K. , Oh , B. C. and Oh , T. K. 1999 . High-level expression of a recombinant thermostable phytase in . Bacillus subtilis. Biosci. Biotechnol. Biochem. , 63 : 2205 – 2207 . [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Kim , Y. O. , Kim , H. K. , Bae , K. S. , Yu , J. H. and Oh , T. K. 1998 . Purification and properties of thermostable phytase from Bacillus sp. DS11 . Enzyme Microbiol. Technol. , 22 : 2 – 7 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Kim , Y. O. , Lee , J. K. , Kim , H. K. , Yu , J. H. and Oh , T. K. 1998 . Cloning of thermostable phytase gene (phy) from Bacillius sp. DS11 and its over expression in Escherichia coli . FEMS Microbiol. Lett. , 162 : 185 – 191 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Konietzny , U. , Greiner , R. and Jany , K. D. 1995 . Purification and characterization of phytase from spelt . J. Food Biochem , 18 : 165 – 183 .
   Web of Science ®Google Scholar
• Laboure , A. M. , Gagnon , J. and Lescure , A. M. 1993 . Purification and characterization of phytase (myo-inositol-hexakisphosphate phosphohydrolase) accumulation in maize (Zea mays) seedling during germination . Biochem. J. , 295 : 413 – 419 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Lassen , S. F. , Breinholt , J. , Ostergaard , P. R. , Brugger , R. , Bischoff , A. Wyss , M. 2001 . Experssion, gene cloning and characterization of five novel phytases from four basidomycetes fungi: . Peniophora lycii, Agrocybe pediades, Ceriporia sp., Trametes pubenscens. Appl. Environ. Microbiol. , 67 : 4701 – 4707 .
   PubMed Web of Science ®Google Scholar
• Lassen , S. F. , Bech , L. , Fuglsang , C. C. , Breinholt , J. , Ohmann , A. and Ostergaard , P. R. Phytase polypeptides. International Patent application . WO98/28408 . 1997 .
   Google Scholar
• Lehmann , M. , Kostrewa , D. , Wyss , M. , Brugger , R. , D'Arcy , A. , Pasamontes , L. , van Loon , A. P.G.M. and From , D NA . 2000a . sequence to improved functionality: Using protein sequence comparisons to rapidly design a thermostable consensus phytase . Protein Eng , 13 : 49 – 57 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMedGoogle Scholar
• Lehmann , M. , Lopez-Ulibarri , R. , Loch , C. , Viarouge , C. , Wyss , M. and van Loon , A. P.G.M. 2000b . Exchanging the active site between phytases between phytases for altering the functional properties of the enzyme . Protein Sci. , 13 : 1866 – 1872 .
   Google Scholar
• Lei , X. , Pao , K. , Elwyn , R. M. , Ullrey , D. E. and Yokoyama , M. T. 1993 . Supplemental microbial phytase improves bioavailability of dietary zinc to weanling pigs . J. Nutr. , 123 : 1117 – 1123 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Lei , X. G. , Ku , P. K. , Miller , E. R. , Yokoyama , M. T. and Ullrey , D. E. 1994 . Calcium level affects the efficacy of supplemental microbial phytase in corn–soybean meal diets of weanling pigs . J. Anim. Sci. , 72 : 139 – 143 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Liu , B. L. , Rafiq , A. , Tzeng , Y. M. and Rob , A. 1998 . The induction and characterization of phytase and beyond . Enzyme Microbiol. Technol. , 22 : 415 – 424 . [CSA]
   Web of Science ®Google Scholar
• Maenz , D. D. and Classen , H. L. 1998 . Phytase activity in the small intestinal brush-border membrane of the chicken . Poult. Sci. , 77 : 557 – 564 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Mallin , M. A. 2000 . Impacts of industrial animal production on rivers and estuaries . Am Sci , : 26 – 37 . [CROSSREF]
   Web of Science ®Google Scholar
• Mandviwala , T. N. and Khire , J. M. 2000 . Production of high activity thermostable phytase from thermotolerant phytase from thermotolerant Aspergillus niger in solid state fermentation . J. Ind. Microbiol. Biotechnol , 24 : 237 – 243 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Meittinen-Oinonen , A. , Torkkeli , T. , Paloheimo , M. and Nevalainen , H. 1997 . Over-expression of the Aspergillus nigerpH 2.5 optimum acid phosphatase gene in a heterologous host, Trichoderma reesei. . J. Biotechnol , 58 : 13 – 20 . [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Mitchell , D. B. , Vogel , K. , Weimann , B. J. , Pasamontes , L. and van Loon , A. P.G.M. 1997 . The phytase subfamily of histidine acid phosphatase: Isolation of genes for two novel phytases from fungi Aspergillus terreus Myceliophthora thermophila. . Microbiology , 143 : 245 – 252 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Mullaney , E. J. , Gibson , D. M. and Ullah , A. H.J. 1991 . Positive identification of a lambda gt11 clone containing a region of fungal phytase gene by immunoprobe and sequence verification . Appl. Microbiol. Biotechnol. , 35 : 611 – 614 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Nagashima , T. , Tange , T. and Anazawa , H. 1999 . Dephosphorylation of phytate by using the Aspergillus niger phytase with a high affinity for phytase . Appl. Environ Microbiol. , 65 : 4682 – 4684 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Nakamura , Y. , Fukuhara , H. and Sano , L. 2000 . secreted phytase activities of yeasts . Biosci. Biotech. Biochem. , 64 : 841 – 844 . [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Nair , V. C. and Duvnjal , D. J. 1990 . Reduction of phytic acid contect in canola meal by Aspergillus ficcum in solidstate fermentation process . Appl. Microbiol. Biotech , 34 : 183 – 188 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Naqvi , S. W.A. , Jayakumar , D. A. , Narvekar , P. V. , Naik , H. , Sarma , V. V.S.S. , D'Souza , W. , Joseph , S. and George , M. D. 2000 . Increased marine production of N2O due to intensifying anoxia on the Indian continental shelf . Nature , 408 : 346 – 349 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Park , S. C. , Choi , Y. W. and Oh , T. K. 1999 . Comparative enzymatic hydrolysis of phytate in various animal feed stuff with two different phytases . J. Vet. Med. Sci. , 61 : 1257 – 1259 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Pasamontes , L. , Haiker , M. , Wyss , M. , Tessier , M. and van Loon , A. P.G.M. 1997a . Gene cloning, purification and characterization of a heat stable phytase from the fungus Aspergillus fumigatus. . Appl. Environ. Microbiol. , 64 : 1696 – 1700 .
   Google Scholar
• Pasamontes , L. , Haiker , M. , Henriquez-Huecas , M. , Mitchell , D. B. and van Loon , A. P.G.M. 1997b . Cloning of phytases from the fungus Emericella nidulans and the thermophilic fungus Talaromyces thermophilus . Biochem. Biophy. Acta , 1353 : 217 – 223 .
   PubMed Web of Science ®Google Scholar
• Pen , J. , Verwoerd , T. C. and Hoekema , A. 1993 . Phytase containing transgenic seeds as a novel feed additive for improved phosphorus utilization . Bio/technology , 11 : 811 – 814 . [CROSSREF]
   Web of Science ®Google Scholar
• Piddington , C. S. , Houston , C. S. , Paloheimo , M. , Cantrell , M. , Miettinen-Oinonen , A. , Nevalanien , H. and Rambosek , J. 1993 . The cloning and sequencing of the genes encoding phytase (phy) and pH 2.5 optimum acid phosphatase (aph) from Aspergillus niger var. awamori . Gene , 133 : 55 – 62 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Powar , V. K. and Jagannathan , V. 1982 . Purification and properties of phytate specific phosphatase from Bacillus subtilis . J. Bacteriol. , 151 : 1102 – 1108 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Reddy , N. R. , Sathe , S. K. and Salunkhe , D. K. 1982 . Phytases in legumes and cereals . Adv. Food. Res , 82 : 1 – 92 .
   Google Scholar
• Sano , L. , Fukuhara , H. and Nakamura , Y. 1999 . Phytase of yeast . Arxula adeninivorans. Biotechnol. Lett. , 21 : 33 – 38 . [CROSSREF]
   Web of Science ®Google Scholar
• Segueilha , L. , Lambrechts , C. , Boze , H. , Moulin , G. and Galzy , P. 1992 . Purification and properties of phytase from . Shwanniomyces castellii. J. Ferment. Bioeng. , 74 : 7 – 11 . [CROSSREF]
   Web of Science ®Google Scholar
• Shamsuddin , A. M. , Elsayed , A. M. and Ullah , A. H.J. 1988 . Suppression of large intestinal cancer in F344 rats by inositolhexaphosphate . Carcinogenesis , 9 : 577 – 580 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Shieh , T. R. , Wodzinski , R. J. and Ware , J. H. 1969 . Regulation of formation of acid phosphatase by inorganic phosphate in Aspergillus ficuum . J. Bacteriol. , 100 : 1161 – 1165 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Shieh , T. R. and Ware , J. H. 1968 . Survey of microorganisms for the production of extracellular phytase . Appl. Microbiol. , 16 : 1348 – 1351 . [PUBMED] [INFOTRIEVE]
   PubMedGoogle Scholar
• Shimizu , M. 1993 . Purification and characterization of phytase and acid phosphatase produced by Aspergillus oryzaeK1 . Biosci. Biotech. Biochem , 57 : 1364 – 1365 . [CSA]
   PubMed Web of Science ®Google Scholar
• Simons , P. C.M. , Versteegh , A. J. , Jongbloed , A. W. , Kemme , P. , Slump , K. D. , Bos , K. D. , Wolters , R. F. , Buedeker , R. F. and Verschoor , G. J. 1990 . Improvement of phosphorus bioavailability by microbial phytase in broilers and pigs . Br. J. Nutr. , 64 : 525 – 540 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Suzuki , U. , Yoshimura , K. and Takaishi , M. 1907 . Ueber ein Enzym “Phytase” das “Anhydro-oxy-methylen diphosphorsaure” Spaltet . Tokyo Imper. Univ. Coll. Agric. Bull. , 7 : 503 – 512 . [CSA]
   Google Scholar
• Siren , M. , Linne , L. and Persson , L. 1991 . “ Pharmacological effects of D-myo-inositol-1,2,6-triphosphate ” . In inositol-phosphates and derivatives Edited by: Reitz , A. B. 103 – 110 .
   Google Scholar
• Tamil Nadu Industrial Development Corporation Ltd. (Government of Tamil Nadu). 19-A, Rukmani Lakshmipathy Salai, Egmore, Chennai-600 008, India. www.tidco.com
   Google Scholar
• Thompson , L. U. 1986 . “ Phytic acid: A factor influencing starch digestibility and blood glucose response ” . In Phytic Acid: Chemistry and Applications , Edited by: Graf , E. p. 173 Minneapolis, MN : Pilatus Press .
   Google Scholar
• Tye , A. J. , Siu , F. K.Y. , Leung , T. Y.C. and Lim , B. L. 2002 . Molecular cloning and biochemical characterization of two novel phytases from Bacillus subtilis168 and B licheniformes. . Appl. Microbiol. Biotechnol. , 59 : 190 – 197 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Ullah , A. J.H. and Gibson , D. M. 1987 . Extracellular phytase (E. C. 3.1.3.8.) From Aspergillus ficuum NRRL 3135: Purification and characterization . Prep. Biochem. , 17 : 63 – 91 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Ullah , A. J.H. and Cummins , B. L. 1987 . Purification, N-terminal amino acid characterization of pH 2.5 acid phosphatase (E. C. 3.1.3.2) from Aspergillus ficuum NRRL . Prep. Biochem. , 17 : 497 – 422 .
   Google Scholar
• Ullah , A. H.J. 1988a . Production, rapid purification and catalytic characterization of extracellular phytase from Aspergillus ficcum . Prep. Biochem. , 18 : 443 – 458 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Ullah , A. H.J. 1988b . Aspergillus ficuum phytase-partial primary structure, substrate selectivity, and kinetic characterization . Prep. Biochem , 18 : 459 – 471 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Ullah , A. H.J. , Mullaney , E. J. and Dischinger , H. C. 1994 . The complete primary structure elucidation of Aspergillus ficuum, pH 6.0-optimum acid phosphatase by Edman degradation . Biochem. Biophys. Res. Commun. , 203 : 182 – 189 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Ullah , A. H.J. and Shamsuddin , A. M. 1990 . Dose-dependent inhibition of large intestinal cancer by inositol hexaphosphate in F344 rats . Carcinogenesis , 11 : 2219 – 2222 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Van Gorcom , R. F.M. , van Hartingsveldt , W. , van Paridon , P. A. , Veenstra , A. E. , Luiten , R. G.M. and Seten , G. C.H. Cloning and expression of microbial phytase. European patent application . 0420358 . 1991 .
   Google Scholar
• Van Hartingsveldt , W. , Van Zeijl , C. M. , Harteveld , G. M. , Gouka , R. J. , Suykerbuyk , M. E. , Luiten , R. G. , van Paridon , P. A. , Selten , G. C. , Veenstra , A. E. , van Gorcom , R. F.M. and van denHondel , C. A.M.J.J. 1993 . Cloning, characterization and overexpression of the phytase encoding gene (phyA) of Aspergillus niger . Gene , 127 : 87 – 94 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• VandeVelde , F. , Konemann , L. , Van Rantwijk , F. and Sheldon , R. A. 2000 . The rational design of semisynthetic peroxidases . Biotech. Bioeng , 67 : 87 – 96 . [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Vats , P. and Banerjee , U. C. 2002 . Studies on the production of phytase by a newly isolated sp. of Aspergillus niger van teigham obtained from rotten wood-logs . Process Biochem , 38 : 211 – 217 . [CROSSREF]
   Web of Science ®Google Scholar
• Vats , P. and Banerjee , U. C. 2004 . Production studies and catalytic properties of phytases(myo-inositolhexakisphosphate phosphopohydrolases): An overview . Enzyme Microbial. Technol. , 35 : 3 – 14 . [CROSSREF]
   Web of Science ®Google Scholar
• Verwoerd , T. C. , vanParidon , P. A. , van Ooyen , A. J.J. , van Lent , J. W.M. , Hoekema , A. and Pen , J. 1995 . Stable accumulation of Aspergillus nigerphytase in transgenic tobacco leaves . Plant Physiol. , 109 : 1199 – 1205 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Vohra , A. and Satyanarayana , T. 2001 . Phytase production by the yeast Pichia anamola . Biotech Lett , 23 : 551 – 554 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Vohra , A. and Satyanarayana , T. 2002 . Statistical optimisation of the medium components by response surface methodology to enhance phytase production by Pichia anamola . Process Biochem , 37 : 999 – 1004 . [CROSSREF]
   Web of Science ®Google Scholar
• Ward , N. E. 1993 . Phytase in nutrition and waste management . Poult. Dig , 52 : 10 – 15 .
   Google Scholar
• Wodzinski , R. J. and Ullah , A. H.J. 1996 . Phytase . Adv. Appl. Microbiol , 42 : 264 – 301 .
   Web of Science ®Google Scholar
• Wyss , M. , Pasamontes , L. , Remy , R. , Kohler , J. , Kusznir , E. , Gadient , M. , Muller , F. and van Loon , A. P.G.M. 1998 . Comparison of the thermostability properties of three acid phosphatases from molds: Aspergillus fumigatus phytase, A. niger phytase and A. niger pH 2.5 acid phosphatase . Appl. Environ. Microbiol , 64 : 4446 – 4451 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Wyss , M. , Pasamontes , L. , Friedlein , A. , Remy , R. , Tessier , M. , Kronenberger , A. , Middendorf , A. , Lehmann , M. , Schnoebelen , L. , Rothlisberger , U. , Kusznir , E. , Wahl , G. , Muller , F. , Lahm , H.-W. , Vogel , K. and van Loon , A. P.G.M. 1999a . Biophysical characterization of fungal phytases (myo-inositolhexakisphosphate-phosphohydrolases): Molecular size, glycosylation pattern and engineering of proteolytic resistance . Appl. Environ. Microbiol , 65 : 359 – 366 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Wyss , M. , Brugger , R. , Kronenberger , A. , Remy , R. , Fimbel , R. , Oesterhelt , O. , Lehmann , M. and van Loon , A. P.G.M. 1999b . Biochemical characterization of fungal phytases (myo-inositolhexakisphosphate-phosphohydrolases): Catalytic properties . Appl. Environ. Microbiol , 65 : 367 – 373 . [PUBMED] [INFOTRIEVE] [CSA]
   PubMed Web of Science ®Google Scholar
• Yano , F. , Nakajima , T. and Matsuda , M. 1999 . Reduction of nitrogen and phosphorus from livestock waste: A major priority for intensive animal production. Asian-Aust. . J. Anim. Sci , 12 : 651 – 656 .
   Google Scholar
• Yanke , L. J. , Bae , H. D. , Selinger , L. B. and Cheng , K. J. 1998 . Phytase activity of anaerobic ruminal bacteria . Microbiology , 144 : 1565 – 1573 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Yoon , S. J. , Choi , Y. J. , Min. , K. , Cho , K. K. , Kim , J. W. Lee , S. C. 1996 . Isolation and identification of phytase producing bacterium, Enterobacter sp., and enzymatic properties of phytase enzyme . Emzyme. Microb. Technol , 18 : 449 – 454 . [CROSSREF]
   Web of Science ®Google Scholar
• Young , L. G. , Leunissen , M. and Atkinson , J. L. 1993 . Addition of microbial phytase to the diets of young pigs . J. Anim. Sci , 71 : 2147 – 2150 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Zyla , K. , Ledoux , D. R. and Veum , T. L. 1995 . Complete enzymic dephosphorylation of corn- soybean meal feed under simulated intestinal con ditions of the turkey . J. Agric. Food Chem , 43 : 288 – 294 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar