Gene Details:

• MSU gene ID: LOC_Os01g37690
• RAPdb gene ID: Os01g0557500
• Gene Symbol: OsCAX1a
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• OsCAX1a mRNA was induced in roots by high concentrations of Ca(2+).
• These results suggest that OsCAX1a transports Ca(2+) into vacuoles and is involved in Ca(2+) homeostasis in cells that suffer from high concentrations of Ca(2+).
• Furthermore, transgenic rice plants transformed with the OsCAX1a promoter fused to beta-glucuronidase showed reporter expression in vascular bundles, stomata, trichomes, steles, flowers, embryos and aleurone layers.
• In the case of stomata and trichomes, transcription of OsCAX1a was particularly high in aged organs.
• Following, the panicle degeneration gene OsCAX1a was identified in the mutant, which was involved in Ca(2+) transport.
• Our results explained the key role of OsCAX1a in Ca(2+) transport and distribution and laid a foundation to further explore the genetic and molecular mechanisms of panicle degeneration in rice.

Function-related keywords:

• root ,  homeostasis ,  flower ,  vascular-bundle ,  stomata ,  panicle

Literature:

• Expression of the vacuolar Ca2+/H+ exchanger, OsCAX1a, in rice: cell and age specificity of expression, and enhancement by Ca2+ .  DOI:  10.1093/pcp/pci227 ;  PMID:  16275657
• Ca2+ deficiency triggers panicle degeneration in rice mediated by Ca2+ /H+ exchanger OsCAX1a .  DOI:  10.1111/pce.14550 ;  PMID:  36694306

Related News:

Gene Resources:

• NCBI ID: AB112656
• UniProt accessions:

Sequences: