Related Experiment Videos
The sequence of the Hartmannella vermiformis small subunit rRNA coding region
J H Gunderson1, S J Goss, M L Sogin
1Center for Molecular Evolution, Marine Biological Laboratory, Woods Hole, Massachusetts 02543.
The Journal of Eukaryotic Microbiology
|September 1, 1994
Summary
The small-subunit ribosomal RNA (rRNA) coding region of Hartmannella vermiformis was sequenced. Analysis revealed a typical eukaryotic gene structure with minor nucleotide variations among clones.
Area of Science:
- Molecular Biology
- Microbiology
- Genetics
Background:
- Hartmannella vermiformis is a common protozoan.
- Understanding its genetic makeup is crucial for various biological studies.
Purpose of the Study:
- To sequence the small-subunit ribosomal RNA (rRNA) coding region of Hartmannella vermiformis.
- To characterize the genetic structure and composition of this important gene.
Main Methods:
- Amplification of the rRNA coding region using Polymerase Chain Reaction (PCR).
- Cloning of the amplified DNA fragments.
- DNA sequencing of the cloned fragments.
Main Results:
- The coding region was determined to be 1,840 nucleotides in length.
- The gene exhibited typical eukaryotic rRNA gene characteristics in size and nucleotide composition.
- Variations in nucleotides were observed at three specific positions across different clones.
Conclusions:
- The sequenced small-subunit rRNA gene of Hartmannella vermiformis is consistent with eukaryotic gene structures.
- Identified nucleotide variations may indicate intraspecies genetic diversity or sequencing artifacts.