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Developmentally controlled farnesylation modulates AtNAP1;1 function in cell proliferation and cell expansion during Arabidopsis leaf development.
Galichet A, Gruissem W. Galichet A, et al. Plant Physiol. 2006 Dec;142(4):1412-26. doi: 10.1104/pp.106.088344. Epub 2006 Oct 13. Plant Physiol. 2006. PMID: 17041028 Free PMC article.
We have identified Arabidopsis (Arabidopsis thaliana) nucleosome assembly protein 1 (AtNAP1;1) as a component of a regulatory mechanism that connects cell proliferation to cell growth and expansion during Arabidopsis leaf development. Molecular, biochemical, and kin …
We have identified Arabidopsis (Arabidopsis thaliana) nucleosome assembly protein 1 (AtNAP1;1) as a component of a regulatory …
Protein farnesylation in plants--conserved mechanisms but different targets.
Galichet A, Gruissem W. Galichet A, et al. Curr Opin Plant Biol. 2003 Dec;6(6):530-5. doi: 10.1016/j.pbi.2003.09.005. Curr Opin Plant Biol. 2003. PMID: 14611950 Review.
Enlarged meristems and delayed growth in plp mutants result from lack of CaaX prenyltransferases.
Running MP, Lavy M, Sternberg H, Galichet A, Gruissem W, Hake S, Ori N, Yalovsky S. Running MP, et al. Among authors: galichet a. Proc Natl Acad Sci U S A. 2004 May 18;101(20):7815-20. doi: 10.1073/pnas.0402385101. Epub 2004 May 5. Proc Natl Acad Sci U S A. 2004. PMID: 15128936 Free PMC article.
Meristems require a myriad of intercellular signaling pathways for coordination of cell division within and between functional zones and clonal cell layers. This control of cell division ensures a constant availability of stem cells throughout the life span of the m …
Meristems require a myriad of intercellular signaling pathways for coordination of cell division within and between functional zones …
Farnesylation directs AtIPT3 subcellular localization and modulates cytokinin biosynthesis in Arabidopsis.
Galichet A, Hoyerová K, Kamínek M, Gruissem W. Galichet A, et al. Plant Physiol. 2008 Mar;146(3):1155-64. doi: 10.1104/pp.107.107425. Epub 2008 Jan 9. Plant Physiol. 2008. PMID: 18184738 Free PMC article.
Cytokinins regulate cell division and differentiation as well as a number of other processes implicated in plant development. ...In addition, mutation of the farnesyl acceptor cysteine-333 of AtIPT3 abolishes cytokinin production, suggesting that cysteine-333 has a …
Cytokinins regulate cell division and differentiation as well as a number of other processes implicated in plant development. ...In a …
Genome-wide analysis of gene expression profiles associated with cell cycle transitions in growing organs of Arabidopsis.
Beemster GT, De Veylder L, Vercruysse S, West G, Rombaut D, Van Hummelen P, Galichet A, Gruissem W, Inzé D, Vuylsteke M. Beemster GT, et al. Among authors: galichet a. Plant Physiol. 2005 Jun;138(2):734-43. doi: 10.1104/pp.104.053884. Epub 2005 Apr 29. Plant Physiol. 2005. PMID: 15863702 Free PMC article.
Analysis of 10 time points with a 6k-cDNA microarray showed that transitions between the growth stages were closely reflected in the mRNA expression data. ...Comparison with published expression data obtained from root zones corresponding to similar developmental stages an …
Analysis of 10 time points with a 6k-cDNA microarray showed that transitions between the growth stages were closely reflected in the …
S100B and S100A6 differentially modulate cell survival by interacting with distinct RAGE (receptor for advanced glycation end products) immunoglobulin domains.
Leclerc E, Fritz G, Weibel M, Heizmann CW, Galichet A. Leclerc E, et al. Among authors: galichet a. J Biol Chem. 2007 Oct 26;282(43):31317-31. doi: 10.1074/jbc.M703951200. Epub 2007 Aug 28. J Biol Chem. 2007. PMID: 17726019
More importantly, we showed that S100B and S100A6 modulate cell survival in a RAGE-dependent manner; S100B specifically interacted with the RAGE V and C(1) domains and S100A6 specifically interacted with the C(1) and C(2) RAGE domains. ...
More importantly, we showed that S100B and S100A6 modulate cell survival in a RAGE-dependent manner; S100B specifically interacted wi …
RAGE does not affect amyloid pathology in transgenic ArcAbeta mice.
Vodopivec I, Galichet A, Knobloch M, Bierhaus A, Heizmann CW, Nitsch RM. Vodopivec I, et al. Among authors: galichet a. Neurodegener Dis. 2009;6(5-6):270-80. doi: 10.1159/000261723. Epub 2010 Feb 10. Neurodegener Dis. 2009. PMID: 20145420
BACKGROUND: Alzheimer's disease (AD) is characterized by brain accumulation of the amyloid-beta peptide (Abeta) that triggers a cascade of biochemical and cellular alterations resulting in the clinical phenotype of the disease. ...
BACKGROUND: Alzheimer's disease (AD) is characterized by brain accumulation of the amyloid-beta peptide (Abeta) that triggers a casca …
Calcium-regulated intramembrane proteolysis of the RAGE receptor.
Galichet A, Weibel M, Heizmann CW. Galichet A, et al. Biochem Biophys Res Commun. 2008 May 23;370(1):1-5. doi: 10.1016/j.bbrc.2008.02.163. Epub 2008 Mar 18. Biochem Biophys Res Commun. 2008. PMID: 18355449
RAGE_v1 or sRAGE, a RAGE splice variant, is secreted and contributes to the removal of RAGE ligands. Because RAGE blockade by specific antibodies directed against RAGE extracellular domains and the use of sRAGE have been proven to be beneficial in the context of pathologic …
RAGE_v1 or sRAGE, a RAGE splice variant, is secreted and contributes to the removal of RAGE ligands. Because RAGE blockade by specifi …
Structural and functional insights into RAGE activation by multimeric S100B.
Ostendorp T, Leclerc E, Galichet A, Koch M, Demling N, Weigle B, Heizmann CW, Kroneck PM, Fritz G. Ostendorp T, et al. Among authors: galichet a. EMBO J. 2007 Aug 22;26(16):3868-78. doi: 10.1038/sj.emboj.7601805. Epub 2007 Jul 26. EMBO J. 2007. PMID: 17660747 Free PMC article.
The X-ray structure of human Ca(2+)-loaded S100B was determined at 1.9 A resolution. The structure revealed an octameric architecture of four homodimeric units arranged as two tetramers in a tight array. ...
The X-ray structure of human Ca(2+)-loaded S100B was determined at 1.9 A resolution. The structure revealed an octameric architecture …
Pathologies involving the S100 proteins and RAGE.
Heizmann CW, Ackermann GE, Galichet A. Heizmann CW, et al. Among authors: galichet a. Subcell Biochem. 2007;45:93-138. doi: 10.1007/978-1-4020-6191-2_5. Subcell Biochem. 2007. PMID: 18193636 Review.
Each subunit is composed of a C-terminal, 'canonical' EF-hand, common to all EF-hand proteins, and a N-terminal, 'pseudo' EF-hand, characteristic of S100 proteins. Upon Ca2(+)-binding, the C-terminal EF-hand undergoes a large conformational change resulting i …
Each subunit is composed of a C-terminal, 'canonical' EF-hand, common to all EF-hand proteins, and a N-terminal, 'pseudo' EF-h …
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