International Journals:

1. S.K. Sahu, N. Manoj, A.Gopalakrishna, S.N. Gummadi (2007) “Phospholipid scramblases: an overview“ Archives of Biochemistry and Biophysics (in press).

2.S.N. Gummadi, D.S. Kumar (2007) Batch and fed batch production of pectin lyase and pectate lyase by novel strain Debaryomyces nepalensis in bioreactor, Bioresource Technology (in press).

3.S.N. Gummadi, C. Lionel, S.S. Dash, S. Gokulakrishnan (2007) The effect of glucose on growth and caffeine degradation by Pseudomonas sp. NCIM 5235, Research journal of Microbiology (in press).

4.S.N. Gummadi, Sawan Kumar, Aneesh CNA (2007) Effect of salts on growth and pectinases production by halotolerant yeasy, Debaryomyces nepalensis NCYC 3413, Current Microbiology (in press).

5.S.S. Dash, S.N. Gummadi (2007) Degradation kinetics of caffeine and related methylxanthines by induced cells of Pseudomonas sp., Current Microbiology (in press).

6.S. Gokulakrishnan, K. Chandraraj, S.N. Gummadi (2007) A preliminary study of caffeine degradation by Pseudomonas sp. GSC 1182, International Journal of Food Microbiology, 113: 346-350.

7.S.S. Dash, S.N. Gummadi (2007) Medium optimization for biodegradation of caffeine by Pseudomonas sp. NCIM 5235 using response surface methodology, Biochemical Engineering Journal (in press).

8.S.N. Gummadi and D.S. Kumar (2006) How induced cells of Pseudomonas sp. increase the degradation of caffeine, Central European Journal of Biology, 4: 561-571.

9.S.S. Dash, S.N. Gummadi (2006) Catabolic pathways and biotechnological applications of microbial caffeine degradation, Biotechnology Letters, 28: 1993-2002.

10.S.S. Dash, S.N. Gummadi (2007) Optimization of physical parameters for biodegradation of caffeine by Pseudomonas sp.: a statistical approach, American Journal of Food Technology, 2: 21-29.

11.R. Rahul, P.N. Malav, S.N. Gummadi (2007) Production of thermostable a-amylases by solid state fermentation: a review, American Journal of Food Technology, 2: 1-11.

12.S.N. Gummadi, D.S. Kumar (2006) The effect of microbiological parameters on production of pectin lyase and pectate lyase by Debaryomyces nepalensis,: a statistical approach, Research Journal of Microbiology, 1: 220-227.

13.S.N. Gummadi, D.S. Kumar (2006) Optimization of chemical and physical parameters affecting the activity of pectin lyase and pectate lyase from Debaryomyces nepalensis: a statistical approach, Biochemical Engineering Journal, 30: 130-137.

14.S. Gokulakrishnan, S.N. Gummadi (2006) Kinetics of cell growth and caffeine utilization by Pseudomonas sp. GSC 1182, Process Biochemistry, 41: 1417-1421.

15.S.N. Gummadi, D.S. Kumar (2006) Pectin lyase and pectate lyase from Debaryomyces nepalensis isolated from apple, Research Journal of Microbiology, 1: 152-159.

16.S.N. Gummadi, D.S. Kumar (2006) Enhanced production of pectin lyase and pectate lyase by Debaryomyces nepalensis in submerged fermentation by statistical methods, American Journal of Food Technology, 1: 19-33.

17.S.S. Dash, S.N. Gummadi (2006) Biodegradation of caffeine by Pseudomonas sp. NCIM 5235, Research Journal of Microbiology), 1: 115-123.

18.S.N. Gummadi, Kislay Kumar (2005) Production of extracellular water insoluble ?-1,3-glucan (curdlan) from Bacillus sp. SNC07, Biotechnology and Bioprocess Engineering, 10, 546-551.

19.S.N. Gummadi, K.S. Kumar (2005) The mystery of phospholipid flip-flop in biogenic membranes, Cellular and Molecular Biology Letters, 10, 101-121.

20.S.N. Gummadi, D.S. Kumar (2005) Microbial pectic transeliminases, Biotechnology Letters, 27, 451-458.

21.S. Gokulakrishnan, K. Chandraraj, S.N.Gummadi (2005) Microbial and enzymatic methods for the removal of caffeine, Enzyme and Microbial Technology, 37, 225-232.

22.M. Agrawal, S. Pradeep, K. Chandraraj, S.N. Gummadi (2005) Hydrolysis of starch by amylase from Bacillus sp. KCA 102: a statistical approach, Process Biochemistry, 40, 2499-2507.

23.Q-L. Chang, S.N. Gummadi, A.K. Menon (2004) Chemical modification identifies two populations of glycerophospholipid flippase in rat liver ER, Biochemistry, 43, 10710-10718.

24.G.S.N. Naidu and T. Panda (2003) Studies on pH and thermal deactivation of pectolytic enzymes from Aspergillus niger. Biochemical Engineering Journal, 16, 57-67.

25. R. Muralidhar, S.N. Gummadi, V. Venkata Dasu and T. Panda (2003) Statistical analysis on some critical parameters affecting the formation of protoplasts from the mycelium of Penicillium griseofulvum. Biochemical Engineering Journal, 16, 229-235.

26.D.S. Rana, K. Théodore, G.S.N. Naidu and T. Panda (2003) Stability and kinetics of β-1,3-glucanse from Trichoderma harzianum. Process Biochemistry, 39, 149-155.

27.S.N. Gummadi, T. Panda (2003) Analysis of kinetic data of pectinases with substrate inhibition. Journal of Microbiology and Biotechnology, 13, 332-337.

28.S.N. Gummadi and T. Panda (2003) Purification and biochemical properties of microbial pectinases: a review. Process Biochemistry, 38, 987-996.

29.S.N. Gummadi (2003) What is the role of thermodynamics in protein stability? Biotechnology and Bioprocess Engineering, 8, 9-18.

30.S.N. Gummadi and A.K. Menon (2002) Transbilayer movement of dipalmitoylphosphatidylcholine in proteoliposomes reconstituted from detergent extracts of endoplasmic reticulum: kinetics of transbilayer transport mediated by a single flippase and identification of proteins fractions enriched in flippase activity. Journal of Biological Chemistry, 277, 25337-25343.

31.Tim Robinson, Bennett Chandran, G. Sathya Naidu and Poonam Singh (2002) Studies on the removal of dyes from a synthetic textile effluent using barley husk in static batch mode and in continuous flow packed bed reactor. Bioresource Technology, 85, 43-49.

32.G.S.N. Naidu, I.Y. Lee, O.K. Cho and Y.H. Park. (2001) Conversion of (γ-butyrobetaine to L-carnitine by Achromobacter cycloclast. Journal of Industrial Microbiology and Biotechnology, 26, 309-315.

33.G.S.N. Naidu, I.Y. Lee, E.G. Lee, G.H. Kang and Y.H. Park (2000) Microbial and Enzymatic synthesis of L-Carnitine. Bioprocess Engineering, 23, 627-635.

34.T. Panda and G.S.N. Naidu (2000) Rotating simplex method of optimization of physical parameters for higher production of extracellular pectinases in bioreactor. Bioprocess Engineering, 23, 47-49.

35.G. Sathya Narayana Naidu and T. Panda. (1999) Performance of pectolytic enzymes during hydrolysis of pectic substances under assay conditions: A statistical approach. Enzyme and Microbial Technology, 25, 116-124.

36.G.S.N. Naidu and T. Panda. (1999) Behaviour of pectinases under process conditions. Bioprocess Engineering, 21, 397- 400.

37.T. Panda, G.S.N. Naidu and J. Sinha (1999) Multiresponse analysis of microbiological parameters affecting the production of pectolytic enzymes: a statistical view. Process Biochemistry, 35, 187-195.

38.G. Sathya Narayana Naidu and T. Panda (1998) Application of response surface methodology to evaluate some aspects on stability of pectolytic enzymes from Aspergillus niger. Biochemical Engineering Journal, 2, 71-77.

39.G.S.N. Naidu and T. Panda (1998) Production of pectolytic enzymes - a review. Bioprocess Engineering, 19, 355-361.

40.T. Panda, P.S.R. Babu, J.A. Kumari, D.S. Rao, K. Theodore, K. Jagannadha Rao, S. Siva kesava, A. Kapat, S.R. Nair, J. Sinha, R. Srinivas, G. Lakshmi Prasanna, V. Venkata Dasu, M. Pazouki, P. Arthur Felse, G.S.N. Naidu, B. Gokul, S. Uma, K. Srividya, R.V. Muralidhar, K. Balamurugan and K. Chandra Sekhar. (1997) Bioprocess optimization - A challenge. Journal of Microbiology and Biotechnology, 7, 367-372.

Chapter in a book

1.S.N. Gummadi, S. HrafnsdÓttir, J. Walnet, W.E. Watkins and A.K. Menon (2003) Reconstitution and assay of biogenic membrane-derived phospholipid flippase activity in proteoliposomes. In: Membrane protein protocols (ed. B. Selinsky), Human Press, Vol. 228, pp 271-279.

2.S.N. Gummadi, N. Manoj, D. Sunil kumar (2006) Structural and biochemical properties of pectinases. In: “Industrial Enzymes: Structure, Function and Applications“ (eds. J. Polaina and A.P. MacCabe, Springer (in press).

Book

M. Doble and S.N. Gummadi (2007) Biochemical Engineering, Prentice Hall India, New Delhi (in press).