Shabarinath Srikumar, Ph.D.

Shabarinath Srikumar, Ph.D. - profile information

More information about Shabarinath Srikumar, Ph.D.

  • Assistant Professor (Poultry Microbiology)
  • Department of Poultry Science
(334) 895-4571
szs0397@auburn.edu
302G Poultry Science Building
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Short Bio

“We are what we eat!” Different food matrices contain different pathogenic microorganisms that threaten human health and life. Eating safe food, free of pathogenic microorganisms, is therefore very important for leading a healthy life. Although the growth kinetics of different microorganisms in various food matrices are well characterized, a mechanistic understanding of how these organisms adapt and survive in these matrices is scarce. Understanding the mechanisms underlying food survival will enable the development of tailored food safety practices to mitigate pathogen risks. To achieve this goal, I established a molecular food microbiology laboratory at the Department of Poultry Science, Auburn University College of Agriculture, that utilizes ‘omics’-based approaches to mechanistically evaluate the survival and proliferation of pathogenic microorganisms in poultry meat, egg yolk, poultry environment, and desiccated food matrices. Studying the pathogen-food interactions at a molecular level will allow deep insights into how pathogenic bacteria alter their metabolic and regulatory profiles during adaptation to the different poultry environments. We are also interested in characterizing unique foodborne bioactive compounds for their ability to inhibit multidrug-resistant bacterial pathogens.

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Education

  • Ph.D.Karnataka Veterinary Animal and Fishery Sciences University, India2007

  • M.F.Sc.University of Agricultural Sciences, India2003

  • B.F.Sc.Kerala Agricultural University, India2001

Professional Experience

I completed all my education in India. After completing my Ph.D., I gained postdoctoral research experience at various universities, including Trinity College Dublin, the University of Liverpool, and University College Dublin.  

Research

My Ph.D. was on the molecular characterization of Salmonella isolated from fish and the fish environment. I was trained in the various techniques used to detect bacteria in food environments during my Ph.D. studies. Subsequently, at the Technical University of Munich, I was trained in bacterial genetics. I learnt about sequencing, especially RNA sequencing-based transcriptomics, from the Jay Hinton laboratory at Trinity College Dublin, and about Food Safety from the Seamus Fanning laboratory at University College Dublin. I integrated all these unique experiences into my current research, in which I am examining how Salmonella, a bacterial pathogen, can adapt and proliferate across different food matrices, such as chicken meat and egg yolk. I am using RNA sequencing to investigate the molecular mechanisms underlying Salmonella adaptation to different food matrices. We will validate our RNA-sequencing observations using molecular microbiological experiments.