Kumaragurubaran Karthik works in diagnostic bacteriology, with a special focus on zoonotic pathogens. He reported, for the first time in the country, Moraxella bovoculi genotype 1, Spirabiliibacterium mucosae, and Mycobacterium orygis (from water buffaloes). These organisms' whole genomes, Trueperella pyogenes and Clostridium difficile, have been submitted to NCBI. He has also developed diagnostic techniques for detecting Brucella abortus, M. orygis, and Moraxella bovoculi. He has published 40 research publications in international and national reputed journals, 20 reviews, 4 book chapters, and 30 abstracts in national and international conferences. To his credit, he has one patent application under consideration and one technology transfer. K. Karthik is also part of 5 research projects as a Co-Principal Investigator. He is an Associate, Review, and Academic Editor of various international journals, including Frontiers in Microbiology, Frontiers in Bacteriology, Frontiers in Veterinary Sciences, and Intech Open. He is also a reviewer for journals including AvianPathology, Journal of Medical Microbiology, BMC Microbiology, Archives in Microbiology, etc. Dr. K.Karthik is a certified professional and also a global mentor of the International Biosafety Association. He has received several awards from scientific societies.