2Oh B C, Choi W C, Park S, et al. Biochemical properties and substrate speeificities of alkaline and histidine acid phytases[J]. Appl Microbiol Biotechnol,2004,63:362-372.
3Chen C C, Wu P H, Huang C T, et al. A Picbiapastoris fermentation strategy for enhancing the hetcrologous expression of an Escbencbia coli phytase[J]. Enzyme Microb Tcchnol,2004,35: 315-320.
4Pasamontes L, Haiker M, Wyss M, et al. Gene cloning, purification, and characterization of a heatstable phytase fiFom the fimgus Aspergillus furmigatus[J].Appl Environ Microbiol,1997,63: 1696-1700.
5Park S C, Oh B C, Rhee M H, et al. The enzyme activity of a novel phytase from Bacillus amyloliquefaciens DS 11 and its potential use as a feed pellet[J].Gen Appl Mierobiol,2003,49:129-133.
6Kim Y O, Kim H K, Bac K S, et al. Purification and properties of a thcrmostable phytase from Bacillus sp. DSII[J]. Enzyme Microb Technol, 1998,22:2-7.
7Verwoerd T C, Van Paridon P A, Van Ooyen A J J, et al. Stable accumulation of Aspergillus niger phytase in transgenic tobacco leaves[J]. Plant Physio, 1995,1109:1199-1205.
8Ullah A H J, Sethumadhavan K, Mullaney E J, et al. Characterization of recombinant fungal phytas~ (phyA) expressed in tobacco leaves[J]. Biochem Biophys Res Commun,1999,264: 201-206.
9Pen J, Verwoerd T C, van Paridon P A, et al. Phytase-containing transgenic seeds as a novel feed additive for improved phosphorus utilization[J]. Bio Teclmology,1993,11:811-814.
10Li J, Hegeman C E, Hanlon RW, et al. Secretion of active recombinant phytase ~om soybean cell-suspension cultures[J]. Plant Physiol, 1997,114:1103-1111.
