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Diversity of Microorganisms Isolated from Amber
1Kuvin Centre and Department of Parasitology, Hebrew University, Jerusalem, Israel
Microbial Ecology
|June 29, 1999
Summary
Scientists cultured bacteria from ancient amber, including 120-million-year-old Israeli samples. This finding offers insights into the evolution and survival of microbial life over geological timescales.
Area of Science:
- Paleomicrobiology
- Evolutionary Biology
- Geochemistry
Background:
- Culturing viable organisms from ancient amber is significant for understanding life's evolution and tenacity.
- Previous studies have reported isolation of microorganisms from amber, including Bacillus sphaericus and a novel Staphylococcus species.
Purpose of the Study:
- To culture and characterize bacteria from Dominican and 120-million-year-old Israeli amber.
- To confirm the presence and diversity of microorganisms within the amber matrix before extensive culturing.
Main Methods:
- Fatty Acid Methyl Ester (FAME) profiling and 16S rRNA gene sequencing for isolate characterization.
- Terminal Restriction Fragment (TRF) analysis of pre-culture amber samples.
- Microscopic mapping of amber internal topography.
Main Results:
- Twenty-seven bacterial isolates were successfully cultured from amber samples.
- TRF analysis indicated a sparse bacterial assemblage consistent with at least five cultured organisms.
- Microscopic analysis provided insights into the amber's internal structure.
Conclusions:
- Bacteria can be cultured from ancient amber, including exceptionally old samples.
- The findings support the potential for ancient microbial life to persist in geological matrices.
- This research opens avenues for studying ancient microbial ecosystems and evolutionary pathways.
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