Areas of Current Research Interest:

• Structural Studies of Marine Fungal Enzymes
• Plant microbial interactionsand Structural studies on the putative insecticidal proteins
• Cloning, expression and pilot scale process optimization of marine fungal enzymes
  

Contributions to Teaching:

• Worked as Lecturer at VIT University, Vellore (was teaching B.Tech and M.Tech Biotech students)
• Worked as Lecturer at MET’s School of engineering, Mala ( College affiliated to Calicut University-was teaching B.Tech Biotech students)
• Working as Assistant Professor (November 6,2017- till date) at Molecular Biology Department , Kannur University ( teaching MSc. Molecular Biology Students)

• 3years research experience as UGC-Dr DS Kothari postdoctoral fellow at Prof. MRN Murthy’s lab, Molecular Biophysics Unit, Indian Institute of Science, Bangalore on the project “structural studies on the marine fungal enzymes”.
• Three months research experience on the project “Cloning of GGDEF Promoter sequence of Mycobacterium smegmatis to identify the transcription start site” under the Guidance of Prof. (Dr.) Dipankar Chatterji, Molecular Biophysics Unit, Indian Institute of Science, Bangalore as part of Indian Academy Summer Research.
• Four months research experience in the R & D division of AVT Natural Products Limited, Vazhakkulam, Aluva (oleoresin industry), Kerala, India.
• Five years research experience in the field of Solid state Fermentation and Enzymology as part of PhD research work on the topic “Alkaline Protease production by marine fungus Engyodontium album BTMF S10” in the Department of Biotechnology, Cochin University of Science and Technology.
• Worked as junior and senior research fellow in the project “Molecular cloning and expression of alkaline protease gene from Marine Fungi” sponsored by Department of Biotechnology, New Delhi, Govt. of India, in the Department of Biotechnology, CUSAT.
• Eight months experience in the field of fermentation technology at the R&D division of Kerala Ayurveda Pharmacy Limited, Athani, in a collaborative project with Department of Biotechnology, Cochin University, entitled as “Process improvement for the production of Arishtams”
• Three and a half months experience in the field of fermentation technology, as a part of the MSc dissertation work “Studies on alkaline bacterial endoxylanases” at the Biochemical Processing and Waste Water Treatment Division, National Institute of Interdisciplinary Science and Technology (CSIR) (formerly RRL), Thiruvananthapuram, Kerala, India

In International Journals

• Sreeja Chellappan, S. Mathivanan, R. Thippeswamy, M. Nagesh, H. S. Savithri, R. N. Murthy (2020). Crystal structure of oxalate decarboxylase from Photorhabdus luminescens, a symbiotic bacterium associated with entomopathogenic nematodes. Current Science 119, NO. 8, 25 p 1349-1356
• S. Mathivanan, S. Chellappan, R. Thippeswamy, M. Nagesh, H. Savithri, M. Murthy(2014) Structural studies on oxalate decarboxylase from Photorhabdusluminescens,ActaCryst. A70, C1821, Abstracts of the XXIII IUCr Congress, Montreal, Canada, 5-12 August 2014.ISSN: 2053-2733
• Soorej M Basheer,SreejaChellappan,Beena P S, Rajeev K Sukumaran, Elyas K K and M Chandrasekaran(2011). Lipase from marine Aspergillusawamori BTMFW032: Production, partial purification and application in oil effluent treatment New Biotechnology 28(6): 627-638
• SreejaChellappan, Jasmin C, Soorej M Basheer, Archana Kishore, Elyas K K, Sarita G Bhat and M Chandrasekaran(2011). Characterization of an extracellular alkaline serine protease from marine Engyodontium album BTMFS10. Journal of Industrial Microbiology and Biotechnology 38:743–752
• Bijna B, SreejaChellappan, Jissa G Krishna, Soorej M Basheer, Elyas K K, Ali H Bahkali and M. Chandrasekaran(2011). Protease inhibitor from Moringaoleiferaactive against therapeutic proteases. Saudi J. of Biological Sciences 18, 273–281 (IF 0.741).
• Bijna B, SreejaChellappan, Soorej M Basheer, Elyas K K, Ali H Bahkali and M Chandrasekaran(2011). Protease inhibitor from Moringaoleifera: Isolation, purification and characterization. Process Biochemistry 46:2291-2300
• C Jasmin, SreejaChellappan, Rajeev K. Sukumaran, K. K. Elyas, Sarita G. Bhat and M. Chandrasekaran(2010). Molecular cloning and homology modelling of a subtilisin-like serine protease from the marine fungus, Engyodontium album BTMFS10. World Journal of Microbiology and Biotechnology 26: 1269-1279
• SreejaChellappan, C. Jasmin, Soorej M. Basheer, K.K. Elyas, Sarita G. Bhat and M. Chandrasekaran(2006). Production, purification and partial characterization of a novel protease from marine Engyodontium album BTMFS10 under solid state fermentation. Process Biochemistry, 41(4): 956-961.
  

Book Chapters

Soorej M Basheer and Sreeja Chellappan (2017) Enzyme Engineering (p.151-168). In: Bioresources and Bioprocess in Biotechnology ,Ed: Shiburaj Sugathan, N S Pradeep and Sabu Abdulhameed, Springer Nature Singpore.ISBN 978-981-10-4282-9

Chandrasekaran, M., Soorej M. Basheer, Sreeja Chellappan, Jissa G. Krishna and Beena P.S.( 2016) Enzymes in Food and Beverage production- an overview. In: Enzymes in Food and Beverage processing Ed: Chandrasekaran,(p.117-137)M. CRC Press, Taylor and Francis group. ISBN: 9781482221282

Chandrasekaran, M., Soorej M. Basheer, Sreeja Chellappan, Karthikeyan, P. and Elyas K.K. (2012). Food processing industries-an overview. In Valorization of food processing by-products, Ed: Chandrasekaran M. (p.3-34) CRC press, Taylor and Francis group. ISBN:9781439848852

International Conference Poster:

• Rohini P S, SreejaChellappan,Soorej M Basheer. (2019)Role of Nanotechnology in developing vaccines for Human Papillomavirus induced cancer. International conference on Human Papilomavirus and cancer Recent Advancements. 13th January 2019,Malabar Cancer Centre, Talassery, Kerala, India
• SreejaChellappan, Govind K, Jasmin C, M Chandrasekaran, H S Savithri and M R N Murthy. Structural studies of an alkaline serine protease from a marine fungus Engyodontium album BTMF S10. International Conference on Biomolecular Forms and Functions (ICBFF) January 8-11,2013, held at Indian Institute of Science, Bangalore, India
• SreejaChellappan, Jasmin C, Soorej M. Basheer and M Chandrasekaran. Stability studies and applications of an extracellular alkaline serine protease from marine Engyodontium album BTMFS10.International Conference on New Horizons in Biotechnology (NHBT),Nov 21-24, 2011, Trivandrum, India
• SreejaChellappan, Soorej M Basheer and M Chandrasekaran. An extracellular alkaline serine protease from marine Engyodontium album BTMFS10 with potential for application in detergent industry. ECOCASD 2011, International Conference on Ecosystem Conservation and Sustainable Development. 10-12 February, 2011, Ambo University, Ethiopia.
  

GenBank Submissions:

• Jasmin C, SreejaChellappan, Elyas KK, Sarita G Bhat and M Chandrasekaran. Partial cds of alkaline protease gene of Engyodontium album BTMF S10.GenBankNo:DQ 268654
• Jasmin C, SreejaChellappan, Elyas KK, Sarita G Bhat and M Chandrasekaran. Transcription elongation factor of Engyodontium album BTMF S10. GenBankNo:DQ 268655
• Jasmin C, SreejaChellappan, and M Chandrasekaran 5.8S rRNA gene and Internal transcribed spacer1 and 2 complete sequence of Marine Fungus Engyodontium album. GenBankNo:DQ 872370
• Jasmin C, SreejaChellappan, and M Chandrasekaran Large subunit ribosomal RNA partial gene sequence of Marine Fungus Engyodontium album. GenBankNo: DQ 872371
• Jasmin C, SreejaChellappan, and M Chandrasekaran Large subunit ribosomal RNA partial gene sequence of Marine Fungus Engyodontium album.GenBankNo: DQ 872372
• Soorej,M.B., Beena,P.S., Archana,K., Sreeja,C. and Chandrasekaran,M.AspergillusawamoriNagasawa partial Lipase gene related NUDIX protein. GenBankNo. EF524197.
• Soorej,M.B., Beena,P.S., Archana,K., Sreeja,C. and Chandrasekaran,M. Aspergillusawamori 28S ribosomal RNA gene partial sequence. GenBankNo. EF524198.
• Soorej,M.B.,Beena,P.S., Archana,K., Sreeja,C. and Chandrasekaran,M. Lipase [Aspergillusawamori]. GenBank No. ABS31353