Investigating the Role of Human Microbiome Profiles in Geographic Identification from Body Fluids

Mithra K S; Krishna Priya M

Investigating the Role of Human Microbiome Profiles in Geographic Identification from Body Fluids

Author(s)	Ms. Mithra K S, Ms. Krishna Priya M
Country	India
Abstract	The human microbiome is a complex community of microorganisms which is residing inside as well as outside the human body. This study focuses on the potential of human microbiome analysis from forensically relevant body fluids for geographic identification. Geographic origin identification is a crucial aspect in forensic investigations which aids in linking individuals to the scene of crime, a connection between the victim & culprit, in differentiating of primary and secondary crime scenes. The human microbiome is influenced by diet, lifestyle, climatic conditions, geographic location so these contribute to the variation of microbial community from individual to individual, location to location as well as the communities will be different and unique in each body fluids. Therefore, the study aims to contribute to the expanding field of forensic microbiology by providing a tool in investigating geolocations and thereby enhancing the investigative capabilities in criminal justice system & it is done by using the microbial communities to identify a geolocation & also by using these communities as microbial markers in identification of the forensically important body fluids. This study employed the combination of gram staining & biochemical test which offers a robust and efficient approach for bacterial identification and classification. The study focused on identifying the bacterial strains that exhibit significant and reproducible associations with specific geographic locations. The results showed that the human microbial profile have the potential to link an individual to a specific location and that the bacterial species can act as microbial markers in identifying the body fluids. The findings also shed light on the intricate interplay between human microbial flora, environmental exposures, and microbial ecology which offers a broader implication for the public health and in understanding human population migrations. However, application of more sophisticated techniques can enable to delve deeper into microbial behaviour and for their identification.
Keywords	Human microbiome, Forensic microbiology, Geographical location, Thanatomicrobiome.
Published In	Volume 8, Issue 1, January-February 2026
Published On	2026-02-08

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Investigating the Role of Human Microbiome Profiles in Geographic Identification from Body Fluids

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