Alternative splicing of the human gene SYBL1 modulates protein domain architecture of longin VAMP7/TI-VAMP, showing both non-SNARE and synaptobrevin-like isoforms
2011

How Alternative Splicing Affects the VAMP7 Protein

publication Evidence: moderate

Author Information

Author(s): Vacca Marcella, Albania Lara, Ragione Floriana Della, Carpi Andrea, Rossi Valeria, Strazzullo Maria, De Franceschi Nicola, Rossetto Ornella, Filippini Francesco, D'Esposito Maurizio

Primary Institution: Institute of Genetics and Biophysics 'A.Buzzati Traverso', Consiglio Nazionale delle Ricerche

Hypothesis

Does alternative splicing of the SYBL1 gene influence the protein domain architecture of VAMP7?

Conclusion

The study found that alternative splicing of the SYBL1 gene produces various VAMP7 isoforms with different domain architectures and functions.

Supporting Evidence

  • Alternative splicing of SYBL1 results in multiple VAMP7 isoforms.
  • Different isoforms show varying tissue-specific expression.
  • Isoforms can have distinct subcellular localizations.

Takeaway

The SYBL1 gene can create different versions of a protein called VAMP7 by skipping parts of its code, which helps the protein do different jobs in the cell.

Methodology

The study used RT-PCR and confocal microscopy to analyze the expression and localization of VAMP7 isoforms in various tissues and cell lines.

Limitations

Further work is needed to fully characterize the identified splice variants and their functions.

Digital Object Identifier (DOI)

10.1186/1471-2199-12-26

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