Giorgos Sianidis
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Explore the profile of Giorgos Sianidis including associated specialties, affiliations and a list of published articles.
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10
Citations
185
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Recent Articles
1.
Karamanou S, Gouridis G, Papanikou E, Sianidis G, Gelis I, Keramisanou D, et al.
EMBO J
. 2007 May;
26(12):2904-14.
PMID: 17525736
The cornerstone of the functionality of almost all motor proteins is the regulation of their activity by binding interactions with their respective substrates. In most cases, the underlying mechanism of...
2.
Sianidis G, Wohlert S, Pozidis C, Karamanou S, Luzhetskyy A, Vente A, et al.
J Biotechnol
. 2006 May;
125(3):425-33.
PMID: 16713002
We have cloned the gene that encodes a novel glucosyl transferase (AraGT) involved in rhamnosylation of the polyketide antibiotic Aranciamycin in Streptomyces echinatus. AraGT comprises two domains characteristic of bacterial...
3.
Papanikou E, Karamanou S, Baud C, Frank M, Sianidis G, Keramisanou D, et al.
J Biol Chem
. 2005 Oct;
280(52):43209-17.
PMID: 16243836
SecA, the preprotein translocase ATPase, has a helicase DEAD motor. To catalyze protein translocation, SecA possesses two additional flexible domains absent from other helicases. Here we demonstrate that one of...
4.
Sianidis G, Pozidis C, Becker F, Vrancken K, Sjoeholm C, Karamanou S, et al.
J Biotechnol
. 2005 Sep;
121(4):498-507.
PMID: 16168511
The gene encoding a novel xyloglucanase (Xeg) belonging to family 74 glycoside hydrolases was isolated from a Jonesia sp. strain through functional screening in Escherichia coli. The encoded xyloglucanase is...
5.
Baud C, Papanikou E, Karamanou S, Sianidis G, Kuhn A, Economou A
Protein Expr Purif
. 2005 Mar;
40(2):336-9.
PMID: 15766875
Most of the bacterial proteins that are active in extracytoplasmic locations are translocated through the inner membrane by the Sec translocase. Translocase comprises a membrane "pore" and the peripheral ATPase...
6.
Karamanou S, Sianidis G, Gouridis G, Pozidis C, Papanikolau Y, Papanikou E, et al.
FEBS Lett
. 2005 Feb;
579(5):1267-71.
PMID: 15710424
Terminal residues in SecA, the dimeric ATPase motor of bacterial preprotein translocase, were proposed to be required for function and dimerization. To test this, we generated truncation mutants of the...
7.
Papanikou E, Karamanou S, Baud C, Sianidis G, Frank M, Economou A
EMBO Rep
. 2004 Jul;
5(8):807-11.
PMID: 15272299
The SecA ATPase is a protein translocase motor and a superfamily 2 (SF2) RNA helicase. The ATPase catalytic core ('DEAD motor') contains the seven conserved SF2 motifs. Here, we demonstrate...
8.
Vrontou E, Karamanou S, Baud C, Sianidis G, Economou A
J Biol Chem
. 2004 Mar;
279(21):22490-7.
PMID: 15007058
SecA, the dimeric ATPase subunit of protein translocase, contains a DEAD helicase catalytic core that binds to a regulatory C-terminal domain. We now demonstrate that IRA1, a conserved helix-loop-helix structure...
9.
Pozidis C, Chalkiadaki A, Gomez-Serrano A, Stahlberg H, Brown I, Tampakaki A, et al.
J Biol Chem
. 2003 May;
278(28):25816-24.
PMID: 12734178
Type III protein secretion (TTS) is catalyzed by translocases that span both membranes of Gram-negative bacteria. A hydrophilic TTS component homologous to F1/V1-ATPases is ubiquitous and essential for secretion. We...
10.
Baud C, Karamanou S, Sianidis G, Vrontou E, Politou A, Economou A
J Biol Chem
. 2002 Feb;
277(16):13724-31.
PMID: 11825907
SecA, the preprotein translocase ATPase is built of an amino-terminal DEAD helicase motor domain bound to a regulatory C-domain. SecA recognizes mature and signal peptide preprotein regions. We now demonstrate...