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Experimental support for multidrug resistance transfer potential in the preterm infant gut microbiota.

Hagbø M, Ravi A, Angell IL, Sunde M, Ludvigsen J, Diep DB, Foley SL, Vento M, Collado MC, Perez-Martinez G, Rudi K.

Pediatr Res. 2019 Jul 1. doi: 10.1038/s41390-019-0491-8. [Epub ahead of print]


Over 2000-Fold Increased Production of the Leaderless Bacteriocin Garvicin KS by Increasing Gene Dose and Optimization of Culture Conditions.

Telke AA, Ovchinnikov KV, Vuoristo KS, Mathiesen G, Thorstensen T, Diep DB.

Front Microbiol. 2019 Mar 5;10:389. doi: 10.3389/fmicb.2019.00389. eCollection 2019.


Intracellular pHluorin as Sensor for Easy Assessment of Bacteriocin-Induced Membrane-Damage in Listeria monocytogenes.

Crauwels P, Schäfer L, Weixler D, Bar NS, Diep DB, Riedel CU, Seibold GM.

Front Microbiol. 2018 Dec 11;9:3038. doi: 10.3389/fmicb.2018.03038. eCollection 2018.


The extracellular loop of Man-PTS subunit IID is responsible for the sensitivity of Lactococcus garvieae to garvicins A, B and C.

Tymoszewska A, Diep DB, Aleksandrzak-Piekarczyk T.

Sci Rep. 2018 Oct 25;8(1):15790. doi: 10.1038/s41598-018-34087-2.


Modulation of the gut microbiota by prebiotic fibres and bacteriocins.

Umu ÖCO, Rudi K, Diep DB.

Microb Ecol Health Dis. 2017 Jan 1;28(1):1348886. doi: 10.1080/16512235.2017.1348886. eCollection 2017. Review.


The Non-Lantibiotic Bacteriocin Garvicin Q Targets Man-PTS in a Broad Spectrum of Sensitive Bacterial Genera.

Tymoszewska A, Diep DB, Wirtek P, Aleksandrzak-Piekarczyk T.

Sci Rep. 2017 Aug 21;7(1):8359. doi: 10.1038/s41598-017-09102-7.


A Method to Assess Bacteriocin Effects on the Gut Microbiota of Mice.

Bäuerl C, Umu ÖCO, Hernandez PE, Diep DB, Pérez-Martínez G.

J Vis Exp. 2017 Jul 25;(125). doi: 10.3791/56053.


The Leaderless Bacteriocin Enterocin K1 Is Highly Potent against Enterococcus faecium: A Study on Structure, Target Spectrum and Receptor.

Ovchinnikov KV, Kristiansen PE, Straume D, Jensen MS, Aleksandrzak-Piekarczyk T, Nes IF, Diep DB.

Front Microbiol. 2017 May 3;8:774. doi: 10.3389/fmicb.2017.00774. eCollection 2017.


The prevalence of Listeria monocytogenes and Staphylococcus aureus and their virulence genes in bulk tank milk in Kosovo.

Mehmeti I, Bytyqi H, Muji S, Nes IF, Diep DB.

J Infect Dev Ctries. 2017 Mar 31;11(3):247-254. doi: 10.3855/jidc.8256.


Antimicrobial resistance levels amongst staphylococci isolated from clinical cases of bovine mastitis in Kosovo.

Mehmeti I, Behluli B, Mestani M, Ademi A, Nes IF, Diep DB.

J Infect Dev Ctries. 2016 Oct 31;10(10):1081-1087. doi: 10.3855/jidc.7912.


The Potential of Class II Bacteriocins to Modify Gut Microbiota to Improve Host Health.

Umu ÖC, Bäuerl C, Oostindjer M, Pope PB, Hernández PE, Pérez-Martínez G, Diep DB.

PLoS One. 2016 Oct 3;11(10):e0164036. doi: 10.1371/journal.pone.0164036. eCollection 2016.


Draft Genome Sequence of the Bacteriocinogenic Strain Enterococcus faecalis DBH18, Isolated from Mallard Ducks (Anas platyrhynchos).

Arbulu S, Jimenez JJ, Borrero J, Sánchez J, Frantzen C, Herranz C, Nes IF, Cintas LM, Diep DB, Hernández PE.

Genome Announc. 2016 Jul 14;4(4). pii: e00663-16. doi: 10.1128/genomeA.00663-16.


LsbB Bacteriocin Interacts with the Third Transmembrane Domain of the YvjB Receptor.

Miljkovic M, Uzelac G, Mirkovic N, Devescovi G, Diep DB, Venturi V, Kojic M.

Appl Environ Microbiol. 2016 Aug 15;82(17):5364-74. doi: 10.1128/AEM.01293-16. Print 2016 Sep 1.


Novel Group of Leaderless Multipeptide Bacteriocins from Gram-Positive Bacteria.

Ovchinnikov KV, Chi H, Mehmeti I, Holo H, Nes IF, Diep DB.

Appl Environ Microbiol. 2016 Aug 15;82(17):5216-24. doi: 10.1128/AEM.01094-16. Print 2016 Sep 1.


Draft Genome Sequence of the Bacteriocin-Producing Strain Enterococcus faecium M3K31, Isolated from Griffon Vultures (Gyps fulvus subsp. fulvus).

Arbulu S, Frantzen C, Lohans CT, Cintas LM, Herranz C, Holo H, Diep DB, Vederas JC, Hernández PE.

Genome Announc. 2016 Mar 24;4(2). pii: e00055-16. doi: 10.1128/genomeA.00055-16.


The interaction between Staphylococcus aureus SdrD and desmoglein 1 is important for adhesion to host cells.

Askarian F, Ajayi C, Hanssen AM, van Sorge NM, Pettersen I, Diep DB, Sollid JU, Johannessen M.

Sci Rep. 2016 Feb 29;6:22134. doi: 10.1038/srep22134.


Lactococcus lactis LMG2081 Produces Two Bacteriocins, a Nonlantibiotic and a Novel Lantibiotic.

Mirkovic N, Polovic N, Vukotic G, Jovcic B, Miljkovic M, Radulovic Z, Diep DB, Kojic M.

Appl Environ Microbiol. 2016 Apr 4;82(8):2555-2562. doi: 10.1128/AEM.03988-15. Print 2016 Apr.


Efficient Inactivation of Multi-Antibiotics Resistant Nosocomial Enterococci by Purified Hiracin Bacteriocin.

Hassan M, Brede DA, Diep DB, Nes IF, Lotfipour F, Hojabri Z.

Adv Pharm Bull. 2015 Sep;5(3):393-401. doi: 10.15171/apb.2015.054. Epub 2015 Sep 19.


Cloning strategies for heterologous expression of the bacteriocin enterocin A by Lactobacillus sakei Lb790, Lb. plantarum NC8 and Lb. casei CECT475.

Jiménez JJ, Diep DB, Borrero J, Gútiez L, Arbulu S, Nes IF, Herranz C, Cintas LM, Hernández PE.

Microb Cell Fact. 2015 Oct 15;14:166. doi: 10.1186/s12934-015-0346-x.


Resistant starch diet induces change in the swine microbiome and a predominance of beneficial bacterial populations.

Umu ÖC, Frank JA, Fangel JU, Oostindjer M, da Silva CS, Bolhuis EJ, Bosch G, Willats WG, Pope PB, Diep DB.

Microbiome. 2015 Apr 16;3:16. doi: 10.1186/s40168-015-0078-5. eCollection 2015.


Draft Genome Sequence of Lactobacillus kunkeei AR114 Isolated from Honey Bee Gut.

Porcellato D, Frantzen C, Rangberg A, Umu OC, Gabrielsen C, Nes IF, Amdam GV, Diep DB.

Genome Announc. 2015 Mar 19;3(2). pii: e00144-15. doi: 10.1128/genomeA.00144-15.


A genomic virulence reference map of Enterococcus faecalis reveals an important contribution of phage03-like elements in nosocomial genetic lineages to pathogenicity in a Caenorhabditis elegans infection model.

La Rosa SL, Snipen LG, Murray BE, Willems RJ, Gilmore MS, Diep DB, Nes IF, Brede DA.

Infect Immun. 2015 May;83(5):2156-67. doi: 10.1128/IAI.02801-14. Epub 2015 Mar 16.


The fsr Quorum-Sensing System and Cognate Gelatinase Orchestrate the Expression and Processing of Proprotein EF_1097 into the Mature Antimicrobial Peptide Enterocin O16.

Dundar H, Brede DA, La Rosa SL, El-Gendy AO, Diep DB, Nes IF.

J Bacteriol. 2015 Jul;197(13):2112-2121. doi: 10.1128/JB.02513-14. Epub 2015 Mar 2.


The paratransgenic potential of Lactobacillus kunkeei in the honey bee Apis mellifera.

Rangberg A, Mathiesen G, Amdam GV, Diep DB.

Benef Microbes. 2015;6(4):513-23. doi: 10.3920/BM2014.0115. Epub 2015 Feb 12.


Circular bacteriocins: biosynthesis and mode of action.

Gabrielsen C, Brede DA, Nes IF, Diep DB.

Appl Environ Microbiol. 2014 Nov;80(22):6854-62. doi: 10.1128/AEM.02284-14. Epub 2014 Aug 29. Review.


Defining the structure and receptor binding domain of the leaderless bacteriocin LsbB.

Ovchinnikov KV, Kristiansen PE, Uzelac G, Topisirovic L, Kojic M, Nissen-Meyer J, Nes IF, Diep DB.

J Biol Chem. 2014 Aug 22;289(34):23838-45. doi: 10.1074/jbc.M114.579698. Epub 2014 Jul 3.


Sensitivity to the two-peptide bacteriocin lactococcin G is dependent on UppP, an enzyme involved in cell-wall synthesis.

Kjos M, Oppegård C, Diep DB, Nes IF, Veening JW, Nissen-Meyer J, Kristensen T.

Mol Microbiol. 2014 Jun;92(6):1177-87. doi: 10.1111/mmi.12632. Epub 2014 May 23.


Enterococcal Bacteriocins and Antimicrobial Proteins that Contribute to Niche Control.

Ness IF, Diep DB, Ike Y.

In: Gilmore MS, Clewell DB, Ike Y, Shankar N, editors. Enterococci: From Commensals to Leading Causes of Drug Resistant Infection [Internet]. Boston: Massachusetts Eye and Ear Infirmary; 2014-.
2014 Feb 16.


Functional genetic analysis of the GarML gene cluster in Lactococcus garvieae DCC43 gives new insights into circular bacteriocin biosynthesis.

Gabrielsen C, Brede DA, Salehian Z, Nes IF, Diep DB.

J Bacteriol. 2014 Mar;196(5):911-9. doi: 10.1128/JB.01115-13. Epub 2013 Dec 13.


A Zn-dependent metallopeptidase is responsible for sensitivity to LsbB, a class II leaderless bacteriocin of Lactococcus lactis subsp. lactis BGMN1-5.

Uzelac G, Kojic M, Lozo J, Aleksandrzak-Piekarczyk T, Gabrielsen C, Kristensen T, Nes IF, Diep DB, Topisirovic L.

J Bacteriol. 2013 Dec;195(24):5614-21. doi: 10.1128/JB.00859-13. Epub 2013 Oct 11.


Potential applications of gut microbiota to control human physiology.

Umu OC, Oostindjer M, Pope PB, Svihus B, Egelandsdal B, Nes IF, Diep DB.

Antonie Van Leeuwenhoek. 2013 Nov;104(5):609-18. doi: 10.1007/s10482-013-0008-0. Epub 2013 Aug 23. Review.


Cloning, production, and functional expression of the bacteriocin sakacin A (SakA) and two SakA-derived chimeras in lactic acid bacteria (LAB) and the yeasts Pichia pastoris and Kluyveromyces lactis.

Jiménez JJ, Borrero J, Diep DB, Gútiez L, Nes IF, Herranz C, Cintas LM, Hernández PE.

J Ind Microbiol Biotechnol. 2013 Sep;40(9):977-93. doi: 10.1007/s10295-013-1302-6. Epub 2013 Jun 22.


Genome sequence of the bacteriocin-producing strain Lactococcus garvieae DCC43.

Gabrielsen C, Brede DA, Hernández PE, Nes IF, Diep DB.

J Bacteriol. 2012 Dec;194(24):6976-7. doi: 10.1128/JB.01864-12.


Construction and application of a luxABCDE reporter system for real-time monitoring of Enterococcus faecalis gene expression and growth.

La Rosa SL, Diep DB, Nes IF, Brede DA.

Appl Environ Microbiol. 2012 Oct;78(19):7003-11. doi: 10.1128/AEM.02018-12. Epub 2012 Jul 27.


Paratransgenesis: an approach to improve colony health and molecular insight in honey bees (Apis mellifera)?

Rangberg A, Diep DB, Rudi K, Amdam GV.

Integr Comp Biol. 2012 Jul;52(1):89-99. doi: 10.1093/icb/ics089. Epub 2012 Jun 1.


Natural antimicrobial peptides from bacteria: characteristics and potential applications to fight against antibiotic resistance.

Hassan M, Kjos M, Nes IF, Diep DB, Lotfipour F.

J Appl Microbiol. 2012 Oct;113(4):723-36. doi: 10.1111/j.1365-2672.2012.05338.x. Epub 2012 Jun 8. Review.


Prevalence of bacteriocin activities and bacteriocin-encoding genes in enterococcal clinical isolates in Iran.

Hassan M, Diep DB, Javadzadeh Y, Dastmalchi S, Nes IF, Sharifi Y, Yari S, Farajnia S, Lotfipour F.

Can J Microbiol. 2012 Apr;58(4):359-68. doi: 10.1139/w11-136. Epub 2012 Mar 13.


The maltose ABC transporter in Lactococcus lactis facilitates high-level sensitivity to the circular bacteriocin garvicin ML.

Gabrielsen C, Brede DA, Hernández PE, Nes IF, Diep DB.

Antimicrob Agents Chemother. 2012 Jun;56(6):2908-15. doi: 10.1128/AAC.00314-12. Epub 2012 Mar 12.


Target recognition, resistance, immunity and genome mining of class II bacteriocins from Gram-positive bacteria.

Kjos M, Borrero J, Opsata M, Birri DJ, Holo H, Cintas LM, Snipen L, Hernández PE, Nes IF, Diep DB.

Microbiology. 2011 Dec;157(Pt 12):3256-67. doi: 10.1099/mic.0.052571-0. Epub 2011 Oct 6. Review.


Mechanisms of resistance to bacteriocins targeting the mannose phosphotransferase system.

Kjos M, Nes IF, Diep DB.

Appl Environ Microbiol. 2011 May;77(10):3335-42. doi: 10.1128/AEM.02602-10. Epub 2011 Mar 18.


Characterization of garvicin ML, a novel circular bacteriocin produced by Lactococcus garvieae DCC43, isolated from mallard ducks (Anas platyrhynchos).

Borrero J, Brede DA, Skaugen M, Diep DB, Herranz C, Nes IF, Cintas LM, Hernández PE.

Appl Environ Microbiol. 2011 Jan;77(1):369-73. doi: 10.1128/AEM.01173-10. Epub 2010 Nov 5.


An extracellular loop of the mannose phosphotransferase system component IIC is responsible for specific targeting by class IIa bacteriocins.

Kjos M, Salehian Z, Nes IF, Diep DB.

J Bacteriol. 2010 Nov;192(22):5906-13. doi: 10.1128/JB.00777-10. Epub 2010 Sep 24.


Specific degradation of the mucus adhesion-promoting protein (MapA) of Lactobacillus reuteri to an antimicrobial peptide.

Bøhle LA, Brede DA, Diep DB, Holo H, Nes IF.

Appl Environ Microbiol. 2010 Nov;76(21):7306-9. doi: 10.1128/AEM.01423-10. Epub 2010 Sep 10.


Use of the yeast Pichia pastoris as an expression host for secretion of enterocin L50, a leaderless two-peptide (L50A and L50B) bacteriocin from Enterococcus faecium L50.

Basanta A, Gómez-Sala B, Sánchez J, Diep DB, Herranz C, Hernández PE, Cintas LM.

Appl Environ Microbiol. 2010 May;76(10):3314-24. doi: 10.1128/AEM.02206-09. Epub 2010 Mar 26.


The abi proteins and their involvement in bacteriocin self-immunity.

Kjos M, Snipen L, Salehian Z, Nes IF, Diep DB.

J Bacteriol. 2010 Apr;192(8):2068-76. doi: 10.1128/JB.01553-09. Epub 2010 Feb 12.


DNA binding kinetics of two response regulators, PlnC and PlnD, from the bacteriocin regulon of Lactobacillus plantarum C11.

Straume D, Johansen RF, Bjørås M, Nes IF, Diep DB.

BMC Biochem. 2009 Jun 11;10:17. doi: 10.1186/1471-2091-10-17.


Class II one-peptide bacteriocins target a phylogenetically defined subgroup of mannose phosphotransferase systems on sensitive cells.

Kjos M, Nes IF, Diep DB.

Microbiology. 2009 Sep;155(Pt 9):2949-61. doi: 10.1099/mic.0.030015-0. Epub 2009 May 28.


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