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001-es BibID:	BIBFORM072198
035-os BibID:	(Cikkazonosító)1751 (WOS)000423429800003 (Scopus)85041371349
Első szerző:	Huber Anna
Cím:	New Antimicrobial Potential and Structural Properties of PAFB: A Cationic, Cysteine-Rich Protein from Penicillium chrysogenum Q176 / Anna Huber, Dorottya Hajdu, Doris Bratschun-Khan, Zoltán Gáspári, Mihayl Varbanov, Stéphanie Philippot, Ádám Fizil, András Czajlik, Zoltán Kele, Christoph Sonderegger, László Galgóczy, Andrea Bodor, Florentine Marx, Gyula Batta
Dátum:	2018
ISSN:	2045-2322
Megjegyzések:	Small, cysteine-rich and cationic proteins with antimicrobial activity are produced by diverse organisms of all kingdoms and represent promising molecules for drug development. The ancestor of all industrial penicillin producing strains, the ascomycete Penicillium chryosgenum Q176, secretes the extensively studied antifungal protein PAF. However, the genome of this strain harbours at least two more genes that code for other small, cysteine-rich and cationic proteins with potential antifungal activity. In this study, we characterized the pafB gene product that shows high similarity to PgAFP from P. chrysogenum R42C. Although abundant and timely regulated pafB gene transcripts were detected, we could not identify PAFB in the culture broth of P. chrysogenum Q176. Therefore, we applied a P. chrysogenum-based expression system to produce sufficient amounts of recombinant PAFB to address unanswered questions concerning the structure and antimicrobial function. Nuclear magnetic resonance (NMR)-based analyses revealed a compact [beta]-folded structure, comprising five [beta]-strands connected by four solvent exposed and flexible loops and an "abcabc" disulphide bond pattern. We identified PAFB as an inhibitor of growth of human pathogenic moulds and yeasts. Furthermore, we document for the first time an anti-viral activity for two members of the small, cysteine-rich and cationic protein group from ascomycetes.
Tárgyszavak:	Természettudományok Kémiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Scientific Reports. - 8 : 1 (2018), p. 1751. -
További szerzők:	Hajdu Dorottya (1987-) (biológus) Bratschun-Khan, Doris Gáspári Zoltán Varbanov, Mihayl Philippot, Stéphanie Fizil Ádám (1988-) (biológus) Czajlik András (1975-) (gyógyszerész) Kele Zoltán Sonderegger, Christoph Galgóczy László (1950-) Bodor Andrea Marx, Florentine Batta Gyula (1953-) (molekula-szerkezet kutató)
Pályázati támogatás:	ANN 110821 OTKA GINOP-2.3.2-15-2016-00008 GINOP
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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