The SIV Surface Spike Imaged by Electron Tomography: One Leg or Three?
Author Information
Author(s): Subramaniam Sriram
Primary Institution: Scripps Research Institute, United States of America
Hypothesis
What is the true structure of the SIV surface spike?
Conclusion
The study suggests that the SIV surface spike may resemble a mushroom with a single stalk, contrasting with another study that proposes a tripod-like shape.
Supporting Evidence
- The overall shape of the spike resembles that of a mushroom with a single stalk.
- Another study suggests a more globular 'tripod-like' shape for the spike.
- Both studies are consistent with biochemical experiments regarding the spike structure.
Takeaway
Scientists are trying to figure out what the SIV virus looks like. One group thinks it looks like a mushroom, while another thinks it looks like a tripod.
Methodology
Electron tomographic studies of purified virions were conducted to obtain a 3-D structure of the SIV surface spike.
Potential Biases
There is a risk of bias in the choice of reference images for averaging, which can affect the results.
Limitations
The study acknowledges limitations in imaging techniques and the potential for errors in structural interpretation due to various factors.
Digital Object Identifier (DOI)
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