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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Gene Review: 

S6K2  -  serine/threonine protein kinase 2

Arabidopsis thaliana

Synonyms: ARABIDOPSIS THALIANA PROTEIN KINASE 2, ARABIDOPSIS THALIANA SERINE/THREONINE PROTEIN KINASE 2, ATPK19, ATPK2, ATS6K2, ...
 
 
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High impact information on ATPK19/ATPK2

  • Consistent with elevated expression of cell cycle inhibitors and ATPK19 , the mature rosette leaves displayed reduced cell number but increased cell size [1].
  • Moreover, AtE2Fa over-expression in rosettes led to elevated expression of ATPK19 , the homolog of the highly conserved S6 kinase that is known to enhance cell growth [1].
  • The transcription levels of the ATPK19 and ATPK6 genes rapidly and markedly increased when plants were subjected to cold or high-salt stresses [2].
  • The deduced amino acid sequences of the ATPK19 and ATPK6 contain all 11 conserved regions of the catalytic domain of protein kinases, and have homology to p70 ribosomal S6 kinases (52%) [2].
 

Biological context of ATPK19/ATPK2

  • These observations suggest that ATPK19 and ATPK6 may function in the adaptation of plant cells to cold or high-salt conditions, providing an understanding of the role of protein phosphorylation in plant responses to environmental stresses [2].

References

  1. Arabidopsis E2Fa plays a bimodal role in regulating cell division and cell growth. He, S.S., Liu, J., Xie, Z., O'Neill, D., Dotson, S. Plant Mol. Biol. (2004) [Pubmed]
  2. Two genes that encode ribosomal-protein S6 kinase homologs are induced by cold or salinity stress in Arabidopsis thaliana. Mizoguchi, T., Hayashida, N., Yamaguchi-Shinozaki, K., Kamada, H., Shinozaki, K. FEBS Lett. (1995) [Pubmed]
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