Detailed gene information

Genes [306]




CSP2, GRP2
COLD SHOCK PROTEIN 2, GLYCINE RICH PROTEIN 2
TAIR: AT4G38680
UNIPROT: Q41188
NOWOMICS: View List

Publications

Fusaro A F et al., 2007, Planta
Nakaminami K et al., 2009, J. Exp. Bot.
Sasaki K et al., 2013, New Phytol.
Sasaki K et al., 2015, Biochem. Biophys. Res. Commun.

Appears in the following schemes

General processes & autonomous pathway

Protein function

Encodes a glycin-rich protein upregulated in response to cold.

Phenotype

Overexpressor:
CSP2 overexpressor is late flowering under LD conditions. No data available under SD conditions. [Sasaki et al., 2013]

Single mutant:
csp2 single mutant does not display any flowering-time phenotype. [Sasaki et al., 2013]

RNA interference:
RNAi donwregulation of CSP2 expression leads to early flowering under SD conditions. No data available under LD conditions. [Fusaro et al., 2007]

Remarks:
The induction of flowering by a LD treatment performed on SD-grown plants leads to an increased expression of all CSP genes. [Nakaminami et al., 2009]

Function:
Chaperone that binds to RNA, single- (ssDNA) and double-stranded (dsDNA) DNA, and unwinds nucleic acid duplex. Accelerates seed germination and seedling growth under cold stress, and contributes to enhancement of cold and freezing tolerance. Regulates flowering transition, and flower and seed development. Promotes seed germination under salt stress. May regulate respiratory oxygen uptake. [Data from UniProt]

Regulators, targets and interactors

Downstream actors


Upstream actors


Protein-protein interactions


CSP2, GRP2 interaction network

Downstream and upstream flowering-related genes

Physical interactions with other flowering-related proteins