References

Agel, H., F. Al-Quadan and T.K. Yousef, 2012. A novel neutral protease from thermophilic Bacillus strain HUTBS62. J. Biosci. Biotechnol., 1: 117-123.
Direct Link  |  

Ahlawat, S., S.S. Dhiman, B. Battan, R.P. Mandhan and J. Sharma, 2009. Pectinase production by Bacillus subtilis and its potential application in biopreparation of cotton and micropoly fabric. Process Biochem., 44: 521-526.
CrossRef  |  

Anuraj, N.S., S. Ahmed, M. Yadav, S. Singh, A. Asif, M. Maynal and U. Pisal, 2012. Identification and characterization of neutral protease producing Paenibacillus Polymyxa species EMBS024 by 16S rRNA gene sequencing. Int. J. Microbiol. Res., 4: 236-239.
Direct Link  |  

Beg, Q.K. and R. Gupta, 2003. Purification and characterization of an oxidation-stable, thiol-dependent serine alkaline protease from Bacillus mojavensis. Enzyme Microbial Technol., 32: 294-304.
CrossRef  |  

Boominathan, U., R. Rajakumar, P.K.V. Sivakumar and M.M. Joe, 2009. Optimization of protease enzyme production using Bacillus sp. isolated from different wastes. Bot. Res. Int., 2: 83-87.

Chen, X.G., O. Stabnikova, J.H. Tay, J.Y. Wang and S.T. Tay, 2004. Thermoactive extracellular proteases of Geobacillus caldoproteolyticus sp. nov., from sewage sludge. Extremophiles, 80: 489-498.
PubMed  |  

Chu, W.H., 2007. Optimization of extracellular alkaline protease production from species of Bacillus. J. Ind. Microbiol. Biotechnol., 34: 241-245.
CrossRef  |  

Darah, I. and C.O. Ibrahim, 1996. Effect of agitation on lignin degrading enzyme production by Phanerochaete chrysosporium grown in shake flask cultures. Asia Pacific J. Mol. Biol. Biotechnol., 4: 174-182.

Darah, I., G. Sumathi, K. Jain and S.H. Lim, 2011. Influence of agitation speed on tannase production and morphology of Aspergillus niger FETL FT3 in submerged fermentation. Applied Biochem. Biotechnol., 165: 1682-1690.
CrossRef  |  PubMed  |  Direct Link  |  

Dube, S., L. Singh and S.I. Alam, 2001. Proteolytic anaerobic bacteria from lake sediment of Antarctica. Enzym. Microb. Technol., 20: 114-121.
PubMed  |  Direct Link  |  

Ferrero, M.A., G.R. Castro, C.M. Abate, M.D. Baigori and F. Singeriz, 1996. Thermostable alkaline protease of Bacillus licheniformis MIR 29: Isolation, production and characterization. Applied Microbiol. Biotechnol., 45: 327-332.
CrossRef  |  Direct Link  |  

Fontana, R.C., T.A. Polidoro and M.M. Silveira, 2009. Comparison of stirred tank and airlift bioreactors in the production of polygalacturonases by Aspergillus oryzae. Bioresour. Technol., 100: 4493-4498.
PubMed  |  Direct Link  |  

Genckal, H. and C. Tari, 2006. Alkaline protease production from alkalophilic Bacillus sp. isolated from natural habitats. Enzyme Microb. Technol., 39: 703-710.
CrossRef  |  Direct Link  |  

Hagihara, B., H. Matsubara, M. Nakai and K. Okunuki, 1958. Crystalline bacterial protease I. preparation of crystalline protease of B. subtilis. J. Biochem., 45: 185-194.

Kao, P.M., C.J. Chen, S.C. Huang, Y.C. Chang, P.J. Tsai and Y.C. Liu, 2007. Effects of shear stress and mass transfer on chitinase production by Paenibacillus sp. CHE-N1. Biochem. Eng. J., 34: 172-178.
CrossRef  |  Direct Link  |  

Kasana, R.C. and S.K. Yadav, 2007. Isolation of a psychrotrophic Exiguobacterium sp. SKPB5 (MTCC 7803) and characterization of its alkaline protease. Curr. Microbiol., 54: 224-229.

Kaur, M., S. Dhillon, K. Chaudhary and R. Singh, 1998. Production, purification and characterization of a thermostable alkaline protease from Bacillus polymyxa. Indian J. Microbiol., 38: 63-67.

Kocher, G.S. and S. Mishra, 2009. Immobilization of Bacillus circulans MTCC 7906 for enhanced production of alkaline protease under batch and packed bed fermentation conditions. Int. J. Microbiol., 7: 2-2.

Kuberan, T., S. Sangaralingam and V. Thirumalaiarasu, 2010. Isolation and optimization of protease producing bacteria from halophilic soil. J. Biol. Sci. Res., 1: 163-174.

Mehrotra, S., P.K. Pandey, R. Gaur and N.S. Darmwal, 1999. The production of alkaline protease by a Bacillus species isolate. Bioresour. Technol., 67: 201-203.
CrossRef  |  

Naidu, K.S.B. and K.L. Devi, 2005. Optimization of thermostable alkaline protease production from species of Bacillus using rice bran. Afr. J. Biotechnol., 4: 724-726.
Direct Link  |  

Nilegaonkar, S.S., V.P. Zambare, P.P. Kanekar, P.K. Dhakephalkar and S.S. Sarnaik, 2007. Production and partial characterization of dehairing protease from Bacillus cereus MCM B-326. Bioresour. Technol., 98: 1238-1245.
CrossRef  |  Direct Link  |  

Oskouie, S.F.G., F. Tabandeh, B. Yakhchali and F. Eftekhar, 2008. Response surface optimization of medium composition for alkaline protease production by Bacillus clausii. Biochem. Eng. J., 39: 37-42.
CrossRef  |  Direct Link  |  

Padmapriya, M. and B.C. Williams, 2012. Purification and characterization of neutral protease enzyme from Bacillus subtilis. J. Microbiol. Biotechnol. Res., 2: 612-618.

Potumarthi, R., C. Subhakar and A. Jetty, 2007. Alkaline protease production by submerged fermentation in stirred tank reactor using Bacillus licheniformis NCIM-2042: Effect of aeration and agitation regimes. Biochem. Eng. J., 34: 185-192.
CrossRef  |  Direct Link  |  

Rahman, R.N., L.P. Geok, M. Basri and A.B. Salleh, 2005. Physical factors affecting the production of organic solvents-tolerant protease by Pseudomonas aeruginosa strain K. Bioresour. Technol., 96: 429-436.
PubMed  |  Direct Link  |  

Saurabh, S., I. Jasmine, G. Pritesh and S.R. Kumar, 2007. Enhanced productivity of serine alkaline protease by Bacillus sp. using soybean as substrate. Mala. J. Microbiol., 3: 1-6.
Direct Link  |  

Shabbiri, K., A. Adnan, S. Jamil, W. Ahmad, B. Noor and H.M. Rafique, 2012. Medium optimization of protease production by Brevibacterium linens DSM 20158, using statistical approach. Braz. J. Microbiol., 43: 1051-1061.
Direct Link  |  

Shivakumar, S., 2012. Production and characterization of an acid protease from a local Aspergillus sp. by solid substrate fermentation. Arch. Appl. Sci. Res., 4: 188-199.
Direct Link  |  

Shumi, W., M.T. Hossain and M.N. Anwar, 2004. Isolation and purification of fungus Aspergillus funiculosus G. Smith and its enzyme protease. Pak. J. Biol. Sci., 7: 312-317.
CrossRef  |  Direct Link  |  

Soares, V.F., L.R. Castilho, E.P. Bon and D.M. Freire, 2005. High-yield Bacillus subtilis protease production by solid-state fermentation. Appl. Biochem. Biotechnol., 12: 311-319.
PubMed  |  Direct Link  |  

Sookkheo, B., S. Sinchaikul, S. Phutrakul and S.T. Chen, 2000. Purification and characterization of the highly thermostable proteases from Bacillus stearothermophilus TLS33. Protein Expr. Purif, 20: 142-151.
PubMed  |  

Uyar, F., I. Porsuk, G. Kizil and E.I. Yilmaz, 2011. Optimal conditions for production of extracellular protease from newly isolated Bacillus cereus strain CA15. Eur. Asian J. Biosci., 5: 1-9.
PubMed  |  Direct Link  |