Title |
Functional redundancy between trans-Golgi network SNARE family members in Arabidopsis thaliana
|
---|---|
Published in |
BMC Molecular and Cell Biology, September 2013
|
DOI | 10.1186/1471-2091-14-22 |
Pubmed ID | |
Authors |
Sang-Jin Kim, Diane C Bassham |
Abstract |
Vesicle fusion is an essential process for maintaining the structure and function of the endomembrane system. Fusion is mediated by t-SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) fusion proteins on the target membrane and v-SNAREs on the vesicle membrane; v-and t-SNAREs interact with each other, driving vesicle fusion with the target membrane. The Arabidopsis thaliana trans-Golgi network resident SNAREs SYP41 and VTI12, along with YKT61/62, have been shown to function in vesicle fusion in vitro, consistent with immunoprecipitation results showing their interaction in Arabidopsis cell extracts. Conflicting published results have indicated that SYP4 family members are either functionally redundant or have distinct and essential functions; the reason for this discrepancy is unclear. |
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