

Senior Scientist ( Headquarters, Goa )
DepartmentBiological Oceanography (BOD)
Research Interests/SpecializationBioluminescence, fluorescence, pigments, Marine natural Products, Deepsea biology, coral reefs, and evolutionary origins
Date of Joining CSIR : 2019-09-25
Date of Joining Present Post : 2023-09-25
Date of Retirement : 2049-09-30
Work Domain Scientific
Area of WorkBioluminescence, flourescence, Pigments, Marine Ecology & Molecular Biology
No of student(s) trained through Internship/Project Work/Dissertation :13
List of Scientific Publications
As first author: 33
- Ramesh, CH., Mohanraju, R., Murthy, K.N., Karthick, P. and Narayana, S. (2014). Impact of light, temperature, salinity and glycerol on the intensity of luminescence and growth of marine bioluminescent bacteria Vibrio campbellii (strain STF1). Curr. Sci. 106(4): 511-513.
- Ramesh, CH., Mohanraju. R., Murthy, K.N., Karthick, P. and Narayana, S. (2014). Occurrence of a rare lamellarid, Coriocella hibyae (Wellens, 1991) from Andaman Islands. Indian J. Mar. Sci. 43(10): 1942-1944.
- Ramesh, CH., Mohanraju, R., Murthy, K.N. and Karthick, P. (2014). Preliminary survey of diseases in the coral reefs of Burmanallah coast, Andaman’s. Indian J. Mar. Sci. 43(10): 1972-1976.
- Ramesh, CH. and Mohanraju, R. (2015). A review on bioluminescence and its applications. Int. J. Lumin. Appl. 5(1): 45-46.
- Ramesh, CH., Mohanraju, R., Karthick, P. and Murthy, K.N. (2015). Phototaxis response of some zooplankton. I.J.S.N. 6(2): 245-247.
- Ramesh, CH., Mohanraju, R., Karthick, P. and Murthy, K.N. (2017). Polymorphic mantle tissue patterns of Tridacna of Burmanallah coast, South Andaman. Indian J. Mar. Sci. 46(1): 141-146.
- Ramesh, CH., Mohanraju, R., Narayana, S., Murthy, K.N. and Karthick, P. (2017). Isolation and cellular fatty acid profile analyzation of two marine bioluminescent bacteria. Indian J. Mar. Sci. 46(1): 192-195.
- Ramesh, CH., Mohanraju, R., Karthick, P. and Murthy, K.N. (2017). Distribution of bioluminescent polychaete larvae of Odontosyllis sp. in South Andaman. Indian J. Mar. Sci. 46(4): 735-737.
- Ramesh, CH., Mohanraju, R., Karthick, P. and Murthy, K.N. (2017). Efficacy and effect of Areca catechu nuts. J. Terr. Mar. Res. 1(2): 50-53.
- Ramesh, CH. and Mohanraju, R. (2017). Construction of hypothetical lux operon of ancestral luminous bacteria. J. Terr. Mar. Res. 1(4): 71-76.
- Ramesh, CH. and Mohanraju, R. (2017). Genetic diversity of bioluminescent bacteria in diverse marine niches. Indian J. Mar. Sci. 46(10): 2054-2062.
- Ramesh, CH. and Mohanraju, R. (2017). Antibacterial activity of marine bioluminescent bacteria. Indian J. Mar. Sci. 46(10): 2063-2074.
- Ramesh, CH. and Mohanraju, R. (2017). Evaluation of antiluminous bacterial efficacy of Areca catechu nut methanol crude extraction in controlling luminous bacteria Vibrio campbellii in shrimp culture systems. Indian J. Mar. Sci. 46(10): 2075-2080.
- Ramesh, CH., Mohanraju, R., Murthy, K.N. and Karthick, P. (2017). Molecular characterization of marine pigmented bacteria showing antibacterial activity. Indian J. Mar. Sci. 46(10): 2081-2087.
- Ramesh, CH. and Mohanraju, R. (2018). A case report on the survivability of marine luminous bacteria Vibrio campbellii STF1 under starvation conditions. Oceanogr. Fish Open Access J. 5(5): 555671. DOI:10.19080/OFOAJ.2018.05.555671.
- Ramesh, CH. and Mohanraju, R. (2018). Footprints and tracks of marine organisms. J. Aquac. Mar. Biol. 7(2): 74-78.
- Ramesh, CH., Mohanraju, R., Karthick, P. and Murthy, K.N. (2018). DNA barcoding of false stone fish Scorpaenopsis diabolus (Cuvier, 1829), a new record to India and Andaman Islands. Indian J. Mar. Sci. 47(11): 2237-2240.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. A red alga Portieria hornemannii (Lyngb.) P.C.Silva (Gigartinales, Rhizophyllidaceae) for use as a source of fragrance ingredient for perfume industry. Indian J. Mar. Sci. (IJMS/MS 4260/18)
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Infestation of corallivorous gastropod, Drupella cornus (Gastropoda: Muricidae) on corals of Mandapam group of Islands, Gulf of Mannar, India. J. Terr. Mar. Res. 3(1): 1-3.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Bioinvasive Seaweed Genus, Turbinaria in Coral Reefs of Gulf of Mannar. Journal of Life Sciences. 6: 1-4.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. A rapid fluorescence census for coral reef monitoring. Regional Studies in Marine Science. 28: 100575.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Enhancement of Reef Diversity using Plastic Waste: A novel way to Reduce Plastic Pollution. Biological Forum An International Journal. 11(1): 187-193.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Factors affecting coral reefs in the Gulf of Mannar. Journal of Wildlife Research. 7(2): 16-22.
- Ramesh, CH. and Mohanraju, R. (2019). A Review on Ecology, Pathogenicity, Genetics and Applications of Bioluminescent Bacteria. J. Terr. Mar. Res. 3(2): 1-32.
- Ramesh, CH., Anwesh, M., Vinithkumar, N.V. and Kirubagaran, R. 2019. Draft genome sequence of marine sediment-derived red pigmented bacteria Zooshikella sp. strain S2.1 with potential biomedical applications. Genomics. DOI: 10.1016/j.ygeno.2019.05.020.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Mortality of sea turtles Chelonia mydas and Lepidochelys olivacea due to entanglement in fishing nets, in Mandapam region, Tamil Nadu. International Journal of Current Research. 11(5): 3660-3662.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Occurrence of unusual swarm of soldier crab, Dotilla myctiroides (H. Milne Edwards, 1852) in Kundukal, Gulf of Mannar, Southeast Coast of India. Emer. Life Sci. Res. 5(1): 63-66.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Baseline survey on coral diseases, stress factors and new threats in coral reefs of Gulf of Mannar Marine Biosphere, India. Journal of Marine Science. 01(01): 31-48.
- Ramesh, CH., Vinithkumar, N.V., Kirubagaran, R., Venil, C.K. and Dufosse, L. 2019. Multifaceted Applications of Microbial Pigments: Current knowledge, Challenges, and Future Directions for Public Health Implications. Microorganisms. 7: 186.
- Ramesh, CH., Vinithkumar, N.V. and Kirubagaran, R. (2019). Marine pigmented bacteria: A prospective source of antibacterial compounds. Journal of Natural Science, Biology and Medicine. 10(2): 104-113.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Opportunistic infestation of boring sponge Cliona sp. on naturally settled Porites lutea on concrete manhole rings in Mandapam region, Tamil Nadu. Journal of Marine Science. 03(03): 1-3.
- Ramesh, CH., Koushik, S., Shunmugaraj, T. and Murthy, M.V.R. 2019. Impact of toxic cyanobacterium Lyngbya majuscula and green algae Ulva reticulata blooms on corals reefs of Gulf of Mannar Marine Biosphere Reserve, Southeast coast of Tamil Nadu, India. IJSR. 10(09): 34581-34583.
- Ramesh, CH. and Mohanraju, R. (2019). Universal journal citation style: A happy and healthy life style for effective research. Paripex-Indian Journal of Research. 8(9): 73.
As co-author: 23
- Karthick, P., Mohanraju. R., Murthy, K.N., Ramesh, CH., Narayana, S. (2013). A survey and new distributional findings of Caulerpa species in Wandoor, South Andaman, India. Global. J. Biosci. Biotech. 2(2): 204-206.
- Mohanraju, R, Marri, D.B, Karthick, P, Narayana, S, Murthy, K.N., Ramesh, CH. (2013). Antibacterial activity of certain cephalopods from Andamans, India. Int. J. Pharm Biol. Sci. 3(2): 450-455.
- Karthick, P., Mohanraju. R., Ramesh, CH., Murthy, K.N., Narayana, S. (2013). Distribution and diversity of Seaweeds in North and South Andaman Island. Seaweed. Res. Utilin. 35(1&2): 8-16.
- Karthick, P., Mohanraju. R., Murthy, K.N., Ramesh, CH. (2013). Seaweed potential of Little Andaman, India. Seaweed. Res.Utilin. 35(1&2): 17-21.
- Murthy, K.N., Mohanraju. R., Karthick, P., Ramesh, CH., Narayana, S. (2013). Epiphytic Vibrios from the seaweeds of Andaman Island, India. Seaweed. Res. Utilin. 35(1&2): 220-225.
- Narayana, S., Chitra, J., Tapase, S. R., Thamke, V., Karthick, P., Ramesh, CH., Murthy, K. N., Ramasamy, M., Kodam, K. M. and Mohanraju, R. (2014). Toxicity studies of Trichodesmium erythraeum (Ehrenberg, 1830) bloom extracts, from Phoenix Bay, Port Blair, Andamans. Harmful Algae. 40: 34-39.
- Karthick, P., Mohanraju, R., Murthy, K. N., Ramesh, CH., Mohandass, C., Rajasabapathy, R., Kumar, S. V. (2015). Antimicrobial activity of Serratia sp. isolated from the coralline red algae Amphiroa anceps. Indian J. Mar. Sci. 44(12):1857-1866.
- Karthick, P., Mohanraju, R., Murthy, K. N., Ramesh, CH. and Palanisamy, M. (2015). Occurrence of rare coralline red algae Mastophora rosea (C. Agardh) Setchell, in Little Andaman, India. Indian J. Mar. Sci. 44(12):1894-1896.
- Karthick, P., Mohanraju, R., Murthy, K. N. and Ramesh, CH. (2015). Antibacterial activity of seaweeds collected from South Andaman, India. J. Algal Biomass Utln. 6 (1): 33-36.
- Karthick, P., Mohanraju, R., Murthy, K. N. and Ramesh, CH. (2015). Natural products from Marine algae, invertebrates and their associated bacterial communities. Proceedings of “Microbes in Human perspectives in this Millennium” 7th January (ISBN: 978-93-81236-28-4) pp. 255-261.
- Reddy, K. V., R. Mohanraju, Murthy, K.N., Ramesh, CH. and Karthick, P. (2015). Antimicrobial properties of nudibranchs tissues extracts from South Andaman, India. J. Coast. Life Med. 3(7): 582-584.
- Murthy, K. N., R. Mohanraju, P. Karthick and CH. Ramesh. (2016). Phenotypic and Molecular characterization of epiphytic vibrios from the marine macro algae of Andaman Islands, India. Indian J. Mar. Sci. 45(2): 304-309.
- Murthy, K.N., Mohanraju. R., Karthick, P. and Ramesh, CH. (2016). Isolation, molecular characterization and screening of extracellular enzymes produced by Vibrio alginolyticus from the seaweeds of Andaman Islands. Seaweed. Res. Utilin. 38(1): 67-74.
- Ravi kumar, G., Ramgopal, A., Ramesh, CH., Rao, K.M., Kumar, M.K.M. and Rao, B.V. (2016). Synthesis of [3, 3'3', 3''-terindolin]-2'-ones by using Recyclable, Magnetically Separable Nano Copper Ferrite Catalyst and their Antibacterial Studies. Can. Chem. Tran. 4(2): 255-266.
- Rajendra, S., Karthick, P., Murthy, K.N., Ramesh, CH., Mohanraju, R. and Vijayakumar, A. (2016). Evaluation of antimicrobial properties from the mangrove Rhizophora apiculata and Bruguiera gymnorrhiza of Burmanallah coast, South Andaman, India. J. Coast. Life Med. 4(6): 475-478.
- Ravi kumar, G., Ramgopal, A., Ramesh, CH., Babu, R.K., Kumar, M.K.M. and Rao, B.V. (2016). Four component one pot synthesis of spiro pyrazolo pyrimidine derivatives by using recyclable nano copper ferrite catalyst and their antibacterial studies. Synth. Commun. 46(24): 1999-2008.
- Manoj, B., Ramesh, CH. and Mohanraju, R. (2018). Isolation of plastic degrading and L-Asparaginase Enzyme Producing Bacteria from the Mangrove Environment of Guptapara, South Andaman. Inter. J. Res. Appl. Sci. Eng. Tech. 6(10): 29-36.
- Rao, T.B., Grace, T.K. and Ramesh, CH. (2019). Enhancement of egg shell thickness of lovebirds using cuttlefish bone as a potential source of calcium. J. Terr. Mar. Res. 3(1): 4-6.
- Koushik, S., Ramesh, CH., Shunmugaraj, T. and Murthy, M.V.R. (2019). Photographic evidence of rare gelatinous egg masses of bristle worm (Annelida: Polychaeta) from Mandapam group of Islands. J. Exp. Zool. India. 22(1): 539-541.
- Koushik, S., Ramesh, CH., Shunmugaraj, T. and Murthy, M.V.R. (2019). First distributional report of scleractinian species Favites spinosa (Klunzinger, 1879) from Gulf of Mannar. International Journal of Fisheries and Aquatic Studies. 7(2): 56-59.
- Koushik, S., Ramesh, CH., Shunmugaraj, T. and Murthy, M.V.R. 2019. In situ observation on the mass aggregation of edible sea urchin Stomopneustes variolaris in Shingle Island, Gulf of Mannar. Journal of Life Sciences. 6(1): 5-8.
- Koushik, S., Ramesh, CH., Shunmugaraj, T. and Murthy, M.V.R. 2019. Assessment on recruitment density of branching corals Montipora digitata (Scleractinia: Acroporidae) in Talairi Island, Gulf of Mannar. International Journal of Fauna and Biological Studies. 6(4): 38-41.
- Zari, A., Ramesh, CH. and Mohanraju, R. 2019. Non-species specific composition of bioluminescent bacteria in non-bioluminescent squid Sepioteuthis lessoniana (Lesson, 1830). (IJMS/MS 4234/18)