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Porphyromonas gingivalis PgFur Is a Member of a Novel Fur Subfamily With Non-canonical Function.

Śmiga M, Bielecki M, Olczak M, Olczak T.

Front Cell Infect Microbiol. 2019 Jul 1;9:233. doi: 10.3389/fcimb.2019.00233. eCollection 2019.


PgFur participates differentially in expression of virulence factors in more virulent A7436 and less virulent ATCC 33277 Porphyromonas gingivalis strains.

Śmiga M, Stępień P, Olczak M, Olczak T.

BMC Microbiol. 2019 Jun 11;19(1):127. doi: 10.1186/s12866-019-1511-x.


Apoptosis Transcriptional Profile Induced by Porphyromonas gingivalis HmuY.

Carvalho-Filho PC, Moura-Costa LF, Pimentel ACM, Lopes MPP, Freitas SA, Miranda PM, Costa RS, Figueirêdo CAV, Meyer R, Gomes-Filho IS, Olczak T, Xavier MT, Trindade SC.

Mediators Inflamm. 2019 Mar 18;2019:6758159. doi: 10.1155/2019/6758159. eCollection 2019.


Production of interferon-gamma, interleukin-6, and interleukin-1β by human peripheral blood mononuclear cells stimulated with novel lys-gingipain synthetic peptides.

Santos-Lima EKN, Oliveira YA, Santos RPB, Sampaio GP, Pimentel ACM, Carvalho-Filho PC, Moura-Costa LF, Olczak T, Gomes-Filho IS, Meyer RJ, Xavier MT, Trindade SC.

J Periodontol. 2019 Mar 14. doi: 10.1002/JPER.18-0626. [Epub ahead of print]


In silico analysis as a strategy to identify candidate epitopes with human IgG reactivity to study Porphyromonas gingivalis virulence factors.

Dos Santos-Lima EKN, Cardoso KAPA, de Miranda PM, Pimentel ACM, de Carvalho-Filho PC, de Oliveira YA, de Moura-Costa LF, Olczak T, Gomes-Filho IS, Meyer RJ, Xavier MT, Trindade SC.

AMB Express. 2019 Mar 11;9(1):35. doi: 10.1186/s13568-019-0757-x.


SLC35A5 Protein-A Golgi Complex Member with Putative Nucleotide Sugar Transport Activity.

Sosicka P, Bazan B, Maszczak-Seneczko D, Shauchuk Y, Olczak T, Olczak M.

Int J Mol Sci. 2019 Jan 11;20(2). pii: E276. doi: 10.3390/ijms20020276.


Lysine at position 329 within a C-terminal dilysine motif is crucial for the ER localization of human SLC35B4.

Bazan B, Wiktor M, Maszczak-Seneczko D, Olczak T, Kaczmarek B, Olczak M.

PLoS One. 2018 Nov 20;13(11):e0207521. doi: 10.1371/journal.pone.0207521. eCollection 2018.


Tannerella forsythia Tfo belongs to Porphyromonas gingivalis HmuY-like family of proteins but differs in heme-binding properties.

Bielecki M, Antonyuk S, Strange RW, Smalley JW, Mackiewicz P, Śmiga M, Stępień P, Olczak M, Olczak T.

Biosci Rep. 2018 Oct 22;38(5). pii: BSR20181325. doi: 10.1042/BSR20181325. Print 2018 Oct 31.


Potential role for Streptococcus gordonii-derived hydrogen peroxide in heme acquisition by Porphyromonas gingivalis.

Brown JL, Yates EA, Bielecki M, Olczak T, Smalley JW.

Mol Oral Microbiol. 2018 Aug;33(4):322-335. doi: 10.1111/omi.12229.


Solvent extraction of Cu, Mo, V, and U from leach solutions of copper ore and flotation tailings.

Smolinski T, Wawszczak D, Deptula A, Lada W, Olczak T, Rogowski M, Pyszynska M, Chmielewski AG.

J Radioanal Nucl Chem. 2017;314(1):69-75. doi: 10.1007/s10967-017-5383-y. Epub 2017 Aug 3.


Antimicrobial activity of stable hemiaminals against Porphyromonas gingivalis.

Olczak T, Śmiga M, Kwiecień A, Bielecki M, Wróbel R, Olczak M, Ciunik Z.

Anaerobe. 2017 Apr;44:27-33. doi: 10.1016/j.anaerobe.2017.01.005. Epub 2017 Jan 16.


Immune response of macrophages induced by Porphyromonas gingivalis requires HmuY protein.

Gmiterek A, Kłopot A, Wójtowicz H, Trindade SC, Olczak M, Olczak T.

Immunobiology. 2016 Dec;221(12):1382-1394. doi: 10.1016/j.imbio.2016.07.007. Epub 2016 Jul 22.


In Situ Proximity Ligation Assay (PLA) Analysis of Protein Complexes Formed Between Golgi-Resident, Glycosylation-Related Transporters and Transferases in Adherent Mammalian Cell Cultures.

Maszczak-Seneczko D, Sosicka P, Olczak T, Olczak M.

Methods Mol Biol. 2016;1496:133-43. doi: 10.1007/978-1-4939-6463-5_11.


Role of Porphyromonas gingivalis HmuY in Immunopathogenesis of Chronic Periodontitis.

Carvalho-Filho PC, Gomes-Filho IS, Meyer R, Olczak T, Xavier MT, Trindade SC.

Mediators Inflamm. 2016;2016:7465852. doi: 10.1155/2016/7465852. Epub 2016 Jun 15. Review.


Correction: Pyocycanin, a Contributory Factor in Haem Acquisition and Virulence Enhancement of Porphyromonas gingivalis in the Lung.

Benedyk M, Byrne DP, Glowczyk I, Potempa J, Olczak M, Olczak T, Smalley JW.

PLoS One. 2016 Jan 25;11(1):e0148008. doi: 10.1371/journal.pone.0148008. eCollection 2016. No abstract available.


Heme acquisition mechanisms of Porphyromonas gingivalis - strategies used in a polymicrobial community in a heme-limited host environment.

Smalley JW, Olczak T.

Mol Oral Microbiol. 2017 Feb;32(1):1-23. doi: 10.1111/omi.12149. Epub 2016 Jan 28. Review.


HmuY is an important virulence factor for Porphyromonas gingivalis growth in the heme-limited host environment and infection of macrophages.

Olczak T, Sosicka P, Olczak M.

Biochem Biophys Res Commun. 2015 Nov 27;467(4):748-53. doi: 10.1016/j.bbrc.2015.10.070. Epub 2015 Oct 19.


UDP-galactose (SLC35A2) and UDP-N-acetylglucosamine (SLC35A3) Transporters Form Glycosylation-related Complexes with Mannoside Acetylglucosaminyltransferases (Mgats).

Maszczak-Seneczko D, Sosicka P, Kaczmarek B, Majkowski M, Luzarowski M, Olczak T, Olczak M.

J Biol Chem. 2015 Jun 19;290(25):15475-86. doi: 10.1074/jbc.M115.636670. Epub 2015 May 5.


Pyocyanina contributory factor in haem acquisition and virulence enhancement of Porphyromonas gingivalis in the lung [corrected].

Benedyk M, Byrne DP, Glowczyk I, Potempa J, Olczak M, Olczak T, Smalley JW.

PLoS One. 2015 Feb 23;10(2):e0118319. doi: 10.1371/journal.pone.0118319. eCollection 2015. Erratum in: PLoS One. 2016;11(1):e0148008.


Anti-HmuY antibodies specifically recognize Porphyromonas gingivalis HmuY protein but not homologous proteins in other periodontopathogens.

Śmiga M, Bielecki M, Olczak M, Smalley JW, Olczak T.

PLoS One. 2015 Feb 6;10(2):e0117508. doi: 10.1371/journal.pone.0117508. eCollection 2015.


Short N-terminal region of UDP-galactose transporter (SLC35A2) is crucial for galactosylation of N-glycans.

Sosicka P, Jakimowicz P, Olczak T, Olczak M.

Biochem Biophys Res Commun. 2014 Nov 28;454(4):486-92. doi: 10.1016/j.bbrc.2014.10.098. Epub 2014 Oct 28.


Fur homolog regulates Porphyromonas gingivalis virulence under low-iron/heme conditions through a complex regulatory network.

Ciuraszkiewicz J, Smiga M, Mackiewicz P, Gmiterek A, Bielecki M, Olczak M, Olczak T.

Mol Oral Microbiol. 2014 Dec;29(6):333-53. doi: 10.1111/omi.12077. Epub 2014 Sep 27.


The structure of a purple acid phosphatase involved in plant growth and pathogen defence exhibits a novel immunoglobulin-like fold.

Antonyuk SV, Olczak M, Olczak T, Ciuraszkiewicz J, Strange RW.

IUCrJ. 2014 Feb 28;1(Pt 2):101-9. doi: 10.1107/S205225251400400X. eCollection 2014 Mar 1.


Differential roles of tryptophan residues in conformational stability of Porphyromonas gingivalis HmuY hemophore.

Bielecki M, Wójtowicz H, Olczak T.

BMC Biochem. 2014 Feb 10;15:2. doi: 10.1186/1471-2091-15-2.


Synthesis of microspheres of triuranium octaoxide by simultaneous water and nitrate extraction from ascorbate-uranyl sols.

Brykala M, Deptula A, Rogowski M, Lada W, Olczak T, Wawszczak D, Smolinski T, Wojtowicz P, Modolo G.

J Radioanal Nucl Chem. 2014;299(1):651-655. Epub 2013 Oct 8.


Porphyromonas gingivalis HmuY stimulates expression of Bcl-2 and Fas by human CD3+ T cells.

Carvalho-Filho PC, Trindade SC, Olczak T, Sampaio GP, Oliveira-Neto MG, Santos HA, Pereira BF, Moura-Costa L, Xavier MT, Meyer R.

BMC Microbiol. 2013 Sep 11;13:206. doi: 10.1186/1471-2180-13-206.


The unique hmuY gene sequence as a specific marker of Porphyromonas gingivalis.

Gmiterek A, Wójtowicz H, Mackiewicz P, Radwan-Oczko M, Kantorowicz M, Chomyszyn-Gajewska M, Frąszczak M, Bielecki M, Olczak M, Olczak T.

PLoS One. 2013 Jul 2;8(7):e67719. doi: 10.1371/journal.pone.0067719. Print 2013.


UDP-N-acetylglucosamine transporter (SLC35A3) regulates biosynthesis of highly branched N-glycans and keratan sulfate.

Maszczak-Seneczko D, Sosicka P, Olczak T, Jakimowicz P, Majkowski M, Olczak M.

J Biol Chem. 2013 Jul 26;288(30):21850-60. doi: 10.1074/jbc.M113.460543. Epub 2013 Jun 13.


UDP-Gal/UDP-GlcNAc chimeric transporter complements mutation defect in mammalian cells deficient in UDP-Gal transporter.

Olczak M, Maszczak-Seneczko D, Sosicka P, Jakimowicz P, Olczak T.

Biochem Biophys Res Commun. 2013 May 10;434(3):473-8. doi: 10.1016/j.bbrc.2013.03.098. Epub 2013 Apr 10.


The Porphyromonas gingivalis HmuY haemophore binds gallium(iii), zinc(ii), cobalt(iii), manganese(iii), nickel(ii), and copper(ii) protoporphyrin IX but in a manner different to iron(iii) protoporphyrin IX.

Wójtowicz H, Bielecki M, Wojaczyński J, Olczak M, Smalley JW, Olczak T.

Metallomics. 2013 Apr;5(4):343-51. doi: 10.1039/c3mt20215a.


UDP-N-acetylglucosamine transporter and UDP-galactose transporter form heterologous complexes in the Golgi membrane.

Maszczak-Seneczko D, Sosicka P, Majkowski M, Olczak T, Olczak M.

FEBS Lett. 2012 Nov 30;586(23):4082-7. doi: 10.1016/j.febslet.2012.10.016. Epub 2012 Oct 23.


Porphyromonas gingivalis HmuY-induced production of interleukin-6 and IL-6 polymorphism in chronic periodontitis.

Trindade SC, Olczak T, Gomes-Filho IS, de Moura-Costa LF, Vale VC, Galdino-Neto M, Alves Dos Santos H, de Carvalho Filho PC, Stocker A, Bendicho MT, Xavier MT, de Moraes Marcílio Cerqueira E, Meyer R.

J Periodontol. 2013 May;84(5):650-5. doi: 10.1902/jop.2012.120230. Epub 2012 Jul 6.


Gallium(III), cobalt(III) and copper(II) protoporphyrin IX exhibit antimicrobial activity against Porphyromonas gingivalis by reducing planktonic and biofilm growth and invasion of host epithelial cells.

Olczak T, Maszczak-Seneczko D, Smalley JW, Olczak M.

Arch Microbiol. 2012 Aug;194(8):719-24. doi: 10.1007/s00203-012-0804-3. Epub 2012 Mar 24.


Porphyromonas gingivalis antigens differently participate in the proliferation and cell death of human PBMC.

Trindade SC, Olczak T, Gomes-Filho IS, Moura-Costa LF, Vale VL, Galdino-Neto M, Alves H, Carvalho-Filho PC, Sampaio GP, Xavier MT, Sarmento VA, Meyer R.

Arch Oral Biol. 2012 Mar;57(3):314-20. doi: 10.1016/j.archoralbio.2011.09.003. Epub 2011 Sep 25.


Subcellular localization of UDP-GlcNAc, UDP-Gal and SLC35B4 transporters.

Maszczak-Seneczko D, Olczak T, Olczak M.

Acta Biochim Pol. 2011;58(3):413-9. Epub 2011 Sep 14.


Comparative analysis of involvement of UGT1 and UGT2 splice variants of UDP-galactose transporter in glycosylation of macromolecules in MDCK and CHO cell lines.

Maszczak-Seneczko D, Olczak T, Wunderlich L, Olczak M.

Glycoconj J. 2011 Oct;28(7):481-92. doi: 10.1007/s10719-011-9348-z. Epub 2011 Sep 6.


Overexpression of UDP-GlcNAc transporter partially corrects galactosylation defect caused by UDP-Gal transporter mutation.

Maszczak-Seneczko D, Olczak T, Jakimowicz P, Olczak M.

FEBS Lett. 2011 Oct 3;585(19):3090-4. doi: 10.1016/j.febslet.2011.08.038. Epub 2011 Sep 1.


Induction of interleukin (IL)-1β, IL-10, IL-8 and immunoglobulin G by Porphyromonas gingivalis HmuY in humans.

Trindade SC, Olczak T, Gomes-Filho IS, Moura-Costa LF, Cerqueira EM, Galdino-Neto M, Alves H, Carvalho-Filho PC, Xavier MT, Meyer R.

J Periodontal Res. 2012 Feb;47(1):27-32. doi: 10.1111/j.1600-0765.2011.01401.x. Epub 2011 Aug 17.


Iron(III) mesoporphyrin IX and iron(III) deuteroporphyrin IX bind to the Porphyromonas gingivalis HmuY hemophore.

Wojaczyński J, Wójtowicz H, Bielecki M, Olczak M, Smalley JW, Latos-Grażyński L, Olczak T.

Biochem Biophys Res Commun. 2011 Jul 29;411(2):299-304. doi: 10.1016/j.bbrc.2011.06.129. Epub 2011 Jun 26.


HmuY haemophore and gingipain proteases constitute a unique syntrophic system of haem acquisition by Porphyromonas gingivalis.

Smalley JW, Byrne DP, Birss AJ, Wojtowicz H, Sroka A, Potempa J, Olczak T.

PLoS One. 2011 Feb 17;6(2):e17182. doi: 10.1371/journal.pone.0017182. Erratum in: PLoS One. 2011;6(3). doi: 10.1371/annotation/8658727f-cc10-47ba-9c7e-8726f1f94b91. PLoS One. 2011;6(3). doi: 10.1371/annotation/919737a1-a459-4949-87ab-9fc56023a4cc.


Species specificity, surface exposure, protein expression, immunogenicity, and participation in biofilm formation of Porphyromonas gingivalis HmuY.

Olczak T, Wójtowicz H, Ciuraszkiewicz J, Olczak M.

BMC Microbiol. 2010 May 4;10:134. doi: 10.1186/1471-2180-10-134.


Diphosphonucleotide phosphatase/phosphodiesterase (PPD1) from yellow lupin (Lupinus luteus L.) contains an iron-manganese center.

Olczak M, Ciuraszkiewicz J, Wójtowicz H, Maszczak D, Olczak T.

FEBS Lett. 2009 Oct 6;583(19):3280-4. doi: 10.1016/j.febslet.2009.09.024. Epub 2009 Sep 13.


Unique structure and stability of HmuY, a novel heme-binding protein of Porphyromonas gingivalis.

Wójtowicz H, Guevara T, Tallant C, Olczak M, Sroka A, Potempa J, Solà M, Olczak T, Gomis-Rüth FX.

PLoS Pathog. 2009 May;5(5):e1000419. doi: 10.1371/journal.ppat.1000419. Epub 2009 May 8.


Heme environment in HmuY, the heme-binding protein of Porphyromonas gingivalis.

Wójtowicz H, Wojaczyński J, Olczak M, Króliczewski J, Latos-Grazyński L, Olczak T.

Biochem Biophys Res Commun. 2009 May 29;383(2):178-82. doi: 10.1016/j.bbrc.2009.03.148. Epub 2009 Apr 2.


Reconstitution of human azurocidin catalytic triad and proteolytic activity by site-directed mutagenesis.

Olczak M, Indyk K, Olczak T.

Biol Chem. 2008 Jul;389(7):955-62. doi: 10.1515/BC.2008.101.


[Regulation of gene expression in the bacterial cell by fur family proteins].

Szafran M, Olczak T.

Postepy Biochem. 2008;54(4):423-30. Review. Polish.


Porphyromonas gingivalis HmuY and HmuR: further characterization of a novel mechanism of heme utilization.

Olczak T, Sroka A, Potempa J, Olczak M.

Arch Microbiol. 2008 Mar;189(3):197-210. Epub 2007 Oct 6.


Analysis of individual azurocidin N-glycosylation sites in regard to its secretion by insect cells, susceptibility to proteolysis and antibacterial activity.

Indyk K, Olczak T, Ciuraszkiewicz J, Watorek W, Olczak M.

Acta Biochim Pol. 2007;54(3):567-73. Epub 2007 Jul 26.


N-glycosylation sites of plant purple acid phosphatases important for protein expression and secretion in insect cells.

Olczak M, Olczak T.

Arch Biochem Biophys. 2007 May 15;461(2):247-54. Epub 2007 Mar 2.


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