RRC ID 12330
Author Katoh H, Fujita K, Takuhara Y, Ogawa A, Suzuki S.
Title ER stress-induced protein, VIGG, disturbs plant cation homeostasis, which is correlated with growth retardation and robustness to ER stress.
Journal Biochem Biophys Res Commun
Abstract VIGG is a putative endoplasmic reticulum (ER) resident protein induced by virus infection and ER stress, and is correlated with fruit quality in grapevine. The present study was undertaken to determine the biological function of VIGG in grapevine. Experiments using fluorescent protein-VIGG fusion protein demonstrated that VIGG is localized in ER and the ER targeting sequence is in the N-terminus. The overexpression of VIGG in Arabidopsis plant led to growth retardation. The rosette leaves of VIGG-overexpressing plants were smaller than those of the control plants and rolled at 42days after seeding. VIGG-overexpressing plants revealed robustness to ER stress as well as the low expression of ER stress marker proteins, such as the luminal binding proteins. These characteristics of VIGG-overexpressing plants were supported by a microarray experiment that demonstrated the disruption of genes related to ER stress response and flowering, as well as cation mobility, in the plants. Finally, cation homeostasis in the plants was disturbed by the overexpression of VIGG. Taken together, these results suggest that VIGG may disturb cation homeostasis in plant, which is correlated with the robustness to ER stress and growth retardation.
Volume 405(3)
Pages 514-20
Published 2011-2-18
DOI 10.1016/j.bbrc.2011.01.082
PII S0006-291X(11)00125-2
PMID 21277284
MeSH Amino Acid Sequence Animals Arabidopsis / genetics Arabidopsis / growth & development* Cations / metabolism Endoplasmic Reticulum / genetics Endoplasmic Reticulum / physiology* Gene Expression Profiling Homeostasis Molecular Sequence Data Plant Proteins / genetics Plant Proteins / metabolism* Plants, Genetically Modified / genetics Plants, Genetically Modified / growth & development* Stress, Physiological* Vitis / genetics
IF 2.985
Times Cited 4
WOS Category BIOPHYSICS BIOCHEMISTRY & MOLECULAR BIOLOGY
Resource
Arabidopsis / Cultured plant cells, genes rpc00001