Research Topics

Genomes and Genes

Gene Symbol: PSY1

Description: plant peptide containing sulfated tyrosine 1

Alias: MZN1.10, MZN1_10, plant peptide containing sulfated tyrosine 1, plant peptide containing sulfated tyrosine 1

Species: thale cress

Amano Y, Tsubouchi H, Shinohara H, Ogawa M, Matsubayashi Y. Tyrosine-sulfated glycopeptide involved in cellular proliferation and expansion in Arabidopsis. Proc Natl Acad Sci U S A. 2007;104:18333-8 pubmed

..This peptide, which we named PSY1, significantly promotes cellular proliferation and expansion at nanomolar concentrations...
Ruckle M, Burgoon L, Lawrence L, Sinkler C, Larkin R. Plastids are major regulators of light signaling in Arabidopsis. Plant Physiol. 2012;159:366-90 pubmed publisher

..We conclude that the integration of light and plastid signaling regulates a number of END genes that help optimize chloroplast function and that at least some END genes affect photosynthesis-related gene expression...
Mahmood K, Kannangara R, Jørgensen K, Fuglsang A. Analysis of peptide PSY1 responding transcripts in the two Arabidopsis plant lines: wild type and psy1r receptor mutant. BMC Genomics. 2014;15:441 pubmed publisher

..b>Plant peptide containing sulfated tyrosine 1 (PSY1) has been reported to promote cell expansion and differentiation in the elongation zone ..
Komori R, Amano Y, Ogawa Ohnishi M, Matsubayashi Y. Identification of tyrosylprotein sulfotransferase in Arabidopsis. Proc Natl Acad Sci U S A. 2009;106:15067-72 pubmed publisher

..plants, this modification is critical for the biological activities of a subset of peptide hormones such as PSK and PSY1. In animals, tyrosine sulfation is catalyzed by Golgi-localized type II transmembrane proteins called ..