Miss. Vrunda Dave: Senior Research Scholar at National Forensic Sciences University, India
1. Article Details
The article titled “Decoding paternal genetic architecture of Gujarati Brahmin population of India using 27 Y-STRs: Diversity, structure, and global comparison” was published in the International Journal of Legal Medicine on 10 September 2026. The study was conducted by Vrunda Dave, Ankita Arunrao Fulkar, Kopal Kapoor, Vaishali Sharma, and Malay Ashvinkumar Shukla. The researchers analyzed 421 unrelated male individuals from the endogamous Gujarati Brahmin population using 27 Y-chromosomal short tandem repeat (Y-STR) markers. The study evaluated genetic diversity, haplotype diversity, forensic parameters, Y-haplogroup distribution, population structure, and genetic relationships with 24 global populations.
2. Novelty
The novelty of the study lies in providing a population-specific 27-Y-STR genetic dataset for Gujarati Brahmins, an endogamous Indian population that has comparatively limited representation in forensic genetic databases. The study combines forensic genetic analysis with population-structure assessment and global comparison. The identification of R1a as the predominant predicted Y-haplogroup, together with L, J, and H lineages, provides additional information about paternal genetic variation in this population. The study also expands the existing Indian Y-STR database and creates a useful reference for future population and forensic investigations.
3. Impact
The study has important implications for forensic genetics, Indian population genetics, anthropology, and human population-history research. The generated Y-STR profiles can contribute to reference databases used in forensic investigations involving male DNA. The results also improve representation of Gujarati Brahmins in Indian genetic datasets and provide comparative information for understanding paternal population structure. Its findings may encourage further research using high-resolution Y-SNPs, whole-Y sequencing, mitochondrial DNA, and autosomal genetic markers to obtain a more comprehensive understanding of population history.
4. Originality
The originality of the research is demonstrated by its focused examination of Gujarati Brahmin paternal genetic variation using a relatively extensive 27-Y-STR marker system and a sample of 421 unrelated males. The study goes beyond simply reporting haplogroup frequencies by integrating diversity measurements, population differentiation, AMOVA, multidimensional scaling, and network analysis. The reported star-like structure of the R1a network provides an additional perspective on relationships among paternal lineages within the study population. The work therefore represents a useful combination of forensic and population-genetic investigation.
5. Experimental Rigor
The experimental rigor is supported by the relatively large sample size, use of 27 Y-STR markers, and application of several complementary statistical approaches. The researchers evaluated genetic diversity, power of discrimination, haplotype diversity, haplogroup distribution, pairwise Rst values, AMOVA, MDS, and network relationships. The inclusion of 3,213 Y-STR genotypes from 24 global populations further strengthens the comparative component. However, predicted Y-haplogroups should ideally be confirmed through direct Y-SNP analysis or high-resolution Y-chromosome sequencing, and the reported MDS stress value of 0.9946 warrants cautious interpretation.
6. Sustainability Impact
The sustainability impact of the study is primarily scientific rather than environmental. The generation of a population-specific genetic dataset creates a reusable resource for future forensic and population-genetic studies. Such datasets can reduce duplication of population sampling and support the long-term development of Indian forensic genetic databases. The work also contributes to strengthening research capacity in forensic genomics and population genetics, thereby supporting sustainable development of genetic research infrastructure.
7. Applicability
The findings have direct applicability in forensic science, particularly for investigations involving male DNA and paternal-line identification. The Y-STR information may assist in forensic database development, male-line comparisons, kinship investigations, missing-person investigations, and analysis of male components in mixed DNA samples. The dataset is also applicable to anthropological and population-genetic research. However, its applicability of Y-chromosomal lineage distribution. The high representation of R1a, followed by L and J, provides useful information about paternal-line composition. The study is scientifically significant because it adds population-specific genetic evidence to the broader understanding of Indian genetic diversity and to ancestry inference should be limited because Y-STRs represent only the direct paternal lineage and do not describe an individual’s complete genetic ancestry.
Research Portfolio
Vrunda Dave is a Senior Research Scholar with specialized expertise in population genetics, forensic genetics, genomics, molecular biology, and forensic data interpretation. Her research career focuses on understanding human genetic diversity, population structure, genetic polymorphisms, and the forensic significance of DNA variation. She has developed practical expertise in DNA fingerprinting, PCR, DNA sequencing, STR analysis, population genetic analysis, and molecular techniques. Her research particularly examines the genetic landscape of Gujarati populations using autosomal, X-chromosome, Y-chromosome, and mitochondrial DNA markers. She has actively contributed to both academic research and applied forensic investigations, including participation in the Forensic DNA Identification team during the Air India crash investigation. She is also an accomplished scientific presenter who has presented her research at prominent national and international conferences.
Online Profile
Education
Vrunda Dave completed her Master of Science (M.Sc.) in Forensic Science with a specialization in Forensic Biotechnology from the School of Forensic Science, Gujarat Forensic Sciences University, Gandhinagar, in June 2020, achieving a CGPA of 8.36. Her postgraduate specialization provided extensive academic exposure to forensic biology, DNA analysis, biotechnology, molecular techniques, and forensic applications of genetics. Prior to this, she completed her Bachelor of Science (B.Sc.) in Microbiology from the Institute of Applied Sciences, Parul University, Vadodara, in May 2018, securing a CGPA of 8.26. Her foundation in microbiology, followed by advanced training in forensic science and biotechnology, has supported her subsequent specialization in forensic genetics and population-level genetic research.
Research Focus
Vrunda Dave’s research focuses on population genetics, forensic genomics, human genetic diversity, genetic polymorphism, and DNA-based human identification. A major component of her work involves studying Gujarati populations through different genetic marker systems, including autosomal STRs, X-chromosome STRs, Y-chromosome STRs, and mitochondrial DNA. Her research investigates population structure, genetic diversity, paternal genetic architecture, migration patterns, and the forensic relevance of genetic variation. She is particularly interested in understanding how rare or complex genetic patterns, including tri-allelic STR variants, can influence forensic DNA interpretation. Her broader research interests encompass DNA fingerprinting, PCR techniques, DNA sequencing, molecular biology, evolutionary genetics, forensic statistics, and the application of population genetic information to forensic investigations.
Experience
Vrunda Dave has professional experience spanning academic teaching, forensic DNA research, scientific training, and applied forensic investigation. From September 2020 to January 2021, she worked as a Forensic Science Lecturer on a contractual basis at the Gujarat Police Training School, Vadodara, where she contributed to forensic science education and training. She subsequently developed research and technical expertise through her work in forensic genetics and population studies. In June 2025, she served as a member of the Forensic DNA Identification team at the Center of Excellence in DNA Forensics, NFSU, contributing to the forensic DNA identification work associated with the Air India crash investigation. Her professional experience demonstrates the ability to connect laboratory-based genetic research with practical forensic applications.
Research Timeline & Activities
Vrunda Dave’s research and professional development have progressed through a combination of specialized training, academic research, scientific presentations, and forensic casework. In 2019, she completed a one-month training program in DNA Fingerprinting at the DNA Fingerprinting Department of the Directorate of Forensic Science Services, Gandhinagar. In 2020, she completed her M.Sc. in Forensic Science with a specialization in Forensic Biotechnology and also served as a contractual Forensic Science Lecturer at the Gujarat Police Training School. During 2022–2023, she coordinated and managed a joint training program on Capillary Electrophoresis and Fragment Analysis in collaboration with the Gujarat Biotechnology Research Centre and National Forensic Sciences University. In May 2025, she presented her research on the tri-allelic DYF387S1 variant and its significance in forensic data interpretation at the European Human Genetics Conference. In June 2025, she participated in the Air India crash investigation as part of the Forensic DNA Identification team at NFSU. In 2026, she continued her research dissemination through international publications and conference presentations, including her award-winning work on mitochondrial DNA and migration among Gujarati Brahmins.
Awards & Honors
Vrunda Dave has received recognition for her scientific research and academic contributions, particularly in the field of forensic genetics and population genetics. She secured the First Prize for her paper presentation titled “Genetic Echoes of Migration through mtDNA in Gujarati Brahmins of India” at the 2nd National and 22nd International Conference of the Indian Association of Forensic Odontologists, IAFOCON-2026. Her research presentations at major scientific conferences demonstrate her ability to communicate complex genetic findings to interdisciplinary academic and forensic audiences. In addition to her conference recognition, her involvement in high-profile forensic DNA identification work and publication of research in international journals further highlights her contribution to forensic genetics and human population research.
Strengths for Best Innovator Award
Innovative Forensic Genetic Profiling of Underrepresented Indian Populations
Developed population-specific genetic resources for the Gujarati Brahmin population using high-resolution 27-Y-STR analysis, addressing a significant representation gap in Indian forensic genetic databases. The work combines forensic identification with population-genetic characterization, creating a reusable reference dataset for future investigations and research.
Integration of Population Genetics with Forensic DNA Science
Demonstrated an innovative interdisciplinary approach by integrating Y-STR diversity, haplotype analysis, haplogroup prediction, AMOVA, population differentiation, MDS, and network analysis. This approach moves beyond conventional forensic profiling toward understanding the population structure and paternal genetic history underlying forensic DNA variation.
Translation of Advanced Genetic Research into Real-World Forensic Applications
Successfully connected laboratory-based research with practical forensic science through participation in the Forensic DNA Identification team during the Air India crash investigation. This demonstrates the ability to translate molecular-genetic expertise into high-stakes human-identification applications, particularly involving complex disaster-victim identification.
Innovation in Detecting and Interpreting Complex STR Variation
Research on tri-allelic DYF387S1 variation demonstrates specialized innovation in recognizing and interpreting unusual genetic profiles that can complicate forensic DNA analysis. Such work has direct relevance to improving the accuracy of DNA interpretation, quality of forensic databases, and understanding of rare genetic variation.
Building a Multidimensional Research Platform for Gujarati Population Genetics
A distinctive strength is the development of a broader research framework covering autosomal STRs, X-STRs, Y-STRs, and mitochondrial DNA. This creates the foundation for studying Gujarati populations from multiple genetic perspectives—including paternal and maternal lineages, population structure, migration, diversity, and forensic relevance—rather than relying on a single marker system.