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DNA fingerprinting of mosses
Helena Korpelainen1, Viivi Virtanen
1Department of Applied Biology, P.O. Box 27, FIN-00014 University of Helsinki, Finland. helena.korpelainen@helsinki.fi
Journal of Forensic Sciences
|July 25, 2003
Summary
DNA fingerprinting of clonal plants, including bryophytes like Brachythecium albicans, offers a novel forensic tool. This study linked plant species found on suspects to a homicide crime scene, aiding criminal investigations.
Area of Science:
- Forensic Science
- Botany
- Genetics
Background:
- DNA fingerprinting is increasingly used in forensic investigations.
- Phylogenetic and vegetation studies can provide ecological context.
- Bryophytes, like Brachythecium albicans, reproduce clonally, making them suitable for DNA analysis.
Observation:
- Three bryophyte species, Brachythecium albicans, Calliergonella lindbergii, and Ceratodon purpureus, were identified on suspects in a homicide case.
- All three species were also found at the crime scene.
- DNA fingerprinting was performed on B. albicans and C. lindbergii samples from suspects and various locations.
Findings:
- DNA analysis indicated that Brachythecium albicans found on the suspects likely originated from the crime scene.
- The Calliergonella lindbergii sample may also have originated from the crime scene.
Implications:
- This study demonstrates the potential of plant DNA fingerprinting as a forensic tool.
- Linking suspects to crime scenes through botanical evidence can enhance criminal investigations.
- Further research into clonal plant DNA analysis can refine forensic methodologies.