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Campylobacter Phage Isolation and Characterization: What We Have Learned So Far.

Jäckel C, Hammerl JA, Hertwig S.

Methods Protoc. 2019 Feb 15;2(1). pii: E18. doi: 10.3390/mps2010018. Review.


Yersinia pseudotuberculosis Prevalence and Diversity in Wild Boars in Northeast Germany.

Reinhardt M, Hammerl JA, Kunz K, Barac A, Nöckler K, Hertwig S.

Appl Environ Microbiol. 2018 Aug 31;84(18). pii: e00675-18. doi: 10.1128/AEM.00675-18. Print 2018 Sep 15.


Complete Genome Sequences of 10 Yersinia pseudotuberculosis Isolates Recovered from Wild Boars in Germany.

Reinhardt M, Hammerl JA, Hertwig S.

Genome Announc. 2018 May 10;6(19). pii: e00266-18. doi: 10.1128/genomeA.00266-18.


Prevalence and Antimicrobial Resistance of Yersinia enterocolitica in Retail Seafood.

Li C, Gölz G, Alter T, Barac A, Hertwig S, Riedel C.

J Food Prot. 2018 Feb 23:497-501. doi: 10.4315/0362-028X.JFP-17-357. [Epub ahead of print]


Validation of EN ISO method 10273 - Detection of pathogenic Yersinia enterocolitica in foods.

Hallanvuo S, Herranen M, Jaakkonen A, Nummela M, Ranta J; Interlaboratory study group, Botteldoorn N, De Zutter L, Fredriksson-Ahomaa M, Hertwig S, Johannessen GS, Ludewig M, Messelhäußer U, Sigvart-Mattila P, Thisted-Lambertz S, Thure T, Vatunen E.

Int J Food Microbiol. 2019 Jan 2;288:66-74. doi: 10.1016/j.ijfoodmicro.2018.01.009. Epub 2018 Jan 12.


A multiplex real-time PCR for the detection and differentiation of Campylobacter phages.

Jäckel C, Hammerl JA, Rau J, Hertwig S.

PLoS One. 2017 Dec 22;12(12):e0190240. doi: 10.1371/journal.pone.0190240. eCollection 2017.


Complete Genome Sequence of the Temperate Klebsiella pneumoniae Phage KPP5665-2.

Carl G, Jäckel C, Grützke J, Hertwig S, Grobbel M, Malorny B, Rau J, Käsbohrer A, Hammerl JA.

Genome Announc. 2017 Oct 26;5(43). pii: e01118-17. doi: 10.1128/genomeA.01118-17.


Prevalence, Host Range, and Comparative Genomic Analysis of Temperate Ochrobactrum Phages.

Jäckel C, Hertwig S, Scholz HC, Nöckler K, Reetz J, Hammerl JA.

Front Microbiol. 2017 Jun 30;8:1207. doi: 10.3389/fmicb.2017.01207. eCollection 2017.


Acquisition of virulence factors in livestock-associated MRSA: Lysogenic conversion of CC398 strains by virulence gene-containing phages.

Kraushaar B, Hammerl JA, Kienöl M, Heinig ML, Sperling N, Dinh Thanh M, Reetz J, Jäckel C, Fetsch A, Hertwig S.

Sci Rep. 2017 May 17;7(1):2004. doi: 10.1038/s41598-017-02175-4.


Genetic Diversity of Brucella Reference and Non-reference Phages and Its Impact on Brucella-Typing.

Hammerl JA, Göllner C, Jäckel C, Scholz HC, Nöckler K, Reetz J, Al Dahouk S, Hertwig S.

Front Microbiol. 2017 Mar 15;8:408. doi: 10.3389/fmicb.2017.00408. eCollection 2017.


The diverse genetic switch of enterobacterial and marine telomere phages.

Hammerl JA, Jäckel C, Funk E, Pinnau S, Mache C, Hertwig S.

Bacteriophage. 2016 Feb 18;6(2):e1148805. doi: 10.1080/21597081.2016.1148805. eCollection 2016 Apr-Jun.


Binding Specificities of the Telomere Phage ϕKO2 Prophage Repressor CB and Lytic Repressor Cro.

Hammerl JA, Jäckel C, Lanka E, Roschanski N, Hertwig S.

Viruses. 2016 Aug 3;8(8). pii: E213. doi: 10.3390/v8080213.


Analysis of the First Temperate Broad Host Range Brucellaphage (BiPBO1) Isolated from B. inopinata.

Hammerl JA, Göllner C, Al Dahouk S, Nöckler K, Reetz J, Hertwig S.

Front Microbiol. 2016 Jan 28;7:24. doi: 10.3389/fmicb.2016.00024. eCollection 2016.


Campylobacter group II phage CP21 is the prototype of a new subgroup revealing a distinct modular genome organization and host specificity.

Jäckel C, Hammerl JA, Reetz J, Kropinski AM, Hertwig S.

BMC Genomics. 2015 Aug 22;16:629. doi: 10.1186/s12864-015-1837-1.


The Molecular Switch of Telomere Phages: High Binding Specificity of the PY54 Cro Lytic Repressor to a Single Operator Site.

Hammerl JA, Roschanski N, Lurz R, Johne R, Lanka E, Hertwig S.

Viruses. 2015 Jun 2;7(6):2771-93. doi: 10.3390/v7062746.


[Genetics of Campylobacter phages].

Hammerl JA, Jäckel C, Hertwig S.

Berl Munch Tierarztl Wochenschr. 2015 Mar-Apr;128(3-4):148-54. German.


Development of transient phage resistance in Campylobacter coli against the group II phage CP84.

Orquera S, Hertwig S, Alter T, Hammerl JA, Jirova A, Gölz G.

Berl Munch Tierarztl Wochenschr. 2015 Mar-Apr;128(3-4):141-7.


Reduction of Campylobacter jejuni in broiler chicken by successive application of group II and group III phages.

Hammerl JA, Jäckel C, Alter T, Janzcyk P, Stingl K, Knüver MT, Hertwig S.

PLoS One. 2014 Dec 9;9(12):e114785. doi: 10.1371/journal.pone.0114785. eCollection 2014.


Parallel adaptations to nectarivory in parrots, key innovations and the diversification of the Loriinae.

Schweizer M, Güntert M, Seehausen O, Leuenberger C, Hertwig ST.

Ecol Evol. 2014 Jul;4(14):2867-83. doi: 10.1002/ece3.1131. Epub 2014 Jun 16.


Complete Nucleotide Sequence of pVv01, a P1-Like Plasmid Prophage of Vibrio vulnificus.

Hammerl JA, Klevanskaa K, Strauch E, Hertwig S.

Genome Announc. 2014 Aug 14;2(4). pii: e00135-14. doi: 10.1128/genomeA.00135-14.


Description of the tadpoles of three rare species of megophryid frogs (Amphibia: Anura: Megophryidae) from Gunung Mulu, Sarawak, Malaysia.

Oberhummer E, Barten C, Schweizer M, Das I, Haas A, Hertwig ST.

Zootaxa. 2014 Jul 9;3835(1):59-79. doi: 10.11646/zootaxa.3835.1.3.


Death and transfiguration in static Staphylococcus epidermidis cultures.

Schaudinn C, Stoodley P, Hall-Stoodley L, Gorur A, Remis J, Wu S, Auer M, Hertwig S, Guerrero-Given D, Hu FZ, Ehrlich GD, Costerton JW, Robinson DH, Webster P.

PLoS One. 2014 Jun 25;9(6):e100002. doi: 10.1371/journal.pone.0100002. eCollection 2014.


Dressed in black. A New Ansonia Stoliczka, 1870 (Lissamphibia: Anura: Bufonidae) from Gunung Murud, Sarawak, East Malaysia (Borneo).

Hertwig ST, Min PY, Haas A, Das I.

Zootaxa. 2014 Jun 10;(3814):419-31. doi: 10.11646/zootaxa.3814.3.9.


Red hot chili pepper. A new Calluella stoliczka, 1872 (Lissamphibia: Anura: Microhylidae) from Sarawak, East Malaysia (Borneo).

Das I, Min PY, Hsu WW, Hertwig ST, Haas A.

Zootaxa. 2014 Apr 7;3785:550-60. doi: 10.11646/zootaxa.3785.4.4.


Vibrio vulnificus phage PV94 is closely related to temperate phages of V. cholerae and other Vibrio species.

Pryshliak M, Hammerl JA, Reetz J, Strauch E, Hertwig S.

PLoS One. 2014 Apr 14;9(4):e94707. doi: 10.1371/journal.pone.0094707. eCollection 2014.


F1 and tbilisi are closely related brucellaphages exhibiting some distinct nucleotide variations which determine the host specificity.

Hammerl JA, Al Dahouk S, Nöckler K, Göllner C, Appel B, Hertwig S.

Genome Announc. 2014 Jan 30;2(1). pii: e01250-13. doi: 10.1128/genomeA.01250-13.


PVv3, a new shuttle vector for gene expression in Vibrio vulnificus.

Klevanskaa K, Bier N, Stingl K, Strauch E, Hertwig S.

Appl Environ Microbiol. 2014 Feb;80(4):1477-81. doi: 10.1128/AEM.03720-13. Epub 2013 Dec 20.


Post-harvest application of lytic bacteriophages for biocontrol of foodborne pathogens and spoilage bacteria.

Hertwig S, Hammerl JA, Appel B, Alter T.

Berl Munch Tierarztl Wochenschr. 2013 Sep-Oct;126(9-10):357-69. Review.


A suggested classification for two groups of Campylobacter myoviruses.

Javed MA, Ackermann HW, Azeredo J, Carvalho CM, Connerton I, Evoy S, Hammerl JA, Hertwig S, Lavigne R, Singh A, Szymanski CM, Timms A, Kropinski AM.

Arch Virol. 2014 Jan;159(1):181-90. doi: 10.1007/s00705-013-1788-2. Epub 2013 Jul 24.


The pYV virulence plasmids of Yersinia pseudotuberculosis and Y. pestis contain a conserved DNA region responsible for the mobilization by the self-transmissible plasmid pYE854.

Hammerl JA, Freytag B, Lanka E, Appel B, Hertwig S.

Environ Microbiol Rep. 2012 Aug;4(4):433-8. doi: 10.1111/j.1758-2229.2012.00353.x. Epub 2012 May 18.


Isolation and characterization of phages with lytic activity against methicillin-resistant Staphylococcus aureus strains belonging to clonal complex 398.

Kraushaar B, Thanh MD, Hammerl JA, Reetz J, Fetsch A, Hertwig S.

Arch Virol. 2013 Nov;158(11):2341-50. doi: 10.1007/s00705-013-1707-6. Epub 2013 Jun 13.


Diversification in a biodiversity hotspot--the evolution of Southeast Asian rhacophorid tree frogs on Borneo (Amphibia: Anura: Rhacophoridae).

Hertwig ST, Schweizer M, Das I, Haas A.

Mol Phylogenet Evol. 2013 Sep;68(3):567-81. doi: 10.1016/j.ympev.2013.04.001. Epub 2013 Apr 8.


Control of Campylobacter spp. and Yersinia enterocolitica by virulent bacteriophages.

Orquera S, Gölz G, Hertwig S, Hammerl J, Sparborth D, Joldic A, Alter T.

J Mol Genet Med. 2012;6:273-8. Epub 2012 Apr 24.


The complete genome sequence of bacteriophage CP21 reveals modular shuffling in Campylobacter group II phages.

Hammerl JA, Jäckel C, Reetz J, Hertwig S.

J Virol. 2012 Aug;86(16):8896. doi: 10.1128/JVI.01252-12.


Simultaneous identification of DNA and RNA viruses present in pig faeces using process-controlled deep sequencing.

Sachsenröder J, Twardziok S, Hammerl JA, Janczyk P, Wrede P, Hertwig S, Johne R.

PLoS One. 2012;7(4):e34631. doi: 10.1371/journal.pone.0034631. Epub 2012 Apr 13.


Shiga toxin-producing Escherichia coli O104:H4: a new challenge for microbiology.

Muniesa M, Hammerl JA, Hertwig S, Appel B, Brüssow H.

Appl Environ Microbiol. 2012 Jun;78(12):4065-73. doi: 10.1128/AEM.00217-12. Epub 2012 Apr 13. Review.


Rapid genetic diversification within dog breeds as evidenced by a case study on Schnauzers.

Streitberger K, Schweizer M, Kropatsch R, Dekomien G, Distl O, Fischer MS, Epplen JT, Hertwig ST.

Anim Genet. 2012 Oct;43(5):577-86. doi: 10.1111/j.1365-2052.2011.02300.x. Epub 2011 Dec 22.


Factors associated with the occurrence of MRSA CC398 in herds of fattening pigs in Germany.

Alt K, Fetsch A, Schroeter A, Guerra B, Hammerl JA, Hertwig S, Senkov N, Geinets A, Mueller-Graf C, Braeunig J, Kaesbohrer A, Appel B, Hensel A, Tenhagen BA.

BMC Vet Res. 2011 Nov 10;7:69. doi: 10.1186/1746-6148-7-69.


Campylobacter jejuni group III phage CP81 contains many T4-like genes without belonging to the T4-type phage group: implications for the evolution of T4 phages.

Hammerl JA, Jäckel C, Reetz J, Beck S, Alter T, Lurz R, Barretto C, Brüssow H, Hertwig S.

J Virol. 2011 Sep;85(17):8597-605. doi: 10.1128/JVI.00395-11. Epub 2011 Jun 22.


Virulence and resistance determinants of German Staphylococcus aureus ST398 isolates from nonhuman sources.

Argudín MA, Tenhagen BA, Fetsch A, Sachsenröder J, Käsbohrer A, Schroeter A, Hammerl JA, Hertwig S, Helmuth R, Bräunig J, Mendoza MC, Appel B, Rodicio MR, Guerra B.

Appl Environ Microbiol. 2011 May;77(9):3052-60. doi: 10.1128/AEM.02260-10. Epub 2011 Mar 4.


Interlaboratory comparison of real-time polymerase chain reaction methods to detect Coxiella burnetii, the causative agent of Q fever.

Jones RM, Hertwig S, Pitman J, Vipond R, Aspán A, Bölske G, McCaughey C, McKenna JP, van Rotterdam BJ, de Bruin A, Ruuls R, Buijs R, Roest HJ, Sawyer J.

J Vet Diagn Invest. 2011 Jan;23(1):108-11.


Livestock associated methicillin-resistant Staphylococcus aureus (LaMRSA) isolated from lesions of pigs at necropsy in northwest Germany between 2004 and 2007.

Meemken D, Blaha T, Tegeler R, Tenhagen BA, Guerra B, Hammerl JA, Hertwig S, Käsbohrer A, Appel B, Fetsch A.

Zoonoses Public Health. 2010 Dec;57(7-8):e143-8. doi: 10.1111/j.1863-2378.2009.01313.x.


High heterogeneity within methicillin-resistant Staphylococcus aureus ST398 isolates, defined by Cfr9I macrorestriction-pulsed-field gel electrophoresis profiles and spa and SCCmec types.

Argudín MA, Fetsch A, Tenhagen BA, Hammerl JA, Hertwig S, Kowall J, Rodicio MR, Käsbohrer A, Helmuth R, Schroeter A, Mendoza MC, Bräunig J, Appel B, Guerra B.

Appl Environ Microbiol. 2010 Feb;76(3):652-8. doi: 10.1128/AEM.01721-09. Epub 2009 Dec 18.


Prevalence of MRSA types in slaughter pigs in different German abattoirs.

Tenhagen BA, Fetsch A, Stührenberg B, Schleuter G, Guerra B, Hammerl JA, Hertwig S, Kowall J, Kämpe U, Schroeter A, Bräunig J, Käsbohrer A, Appel B.

Vet Rec. 2009 Nov 14;165(20):589-93.


pSGI15, a small ColE-like qnrB19 plasmid of a Salmonella enterica serovar Typhimurium strain carrying Salmonella genomic island 1 (SGI1).

Hammerl JA, Beutlich J, Hertwig S, Mevius D, Threlfall EJ, Helmuth R, Guerra B.

J Antimicrob Chemother. 2010 Jan;65(1):173-5. doi: 10.1093/jac/dkp383. No abstract available.


The evolutionary diversification of parrots supports a taxon pulse model with multiple trans-oceanic dispersal events and local radiations.

Schweizer M, Seehausen O, Güntert M, Hertwig ST.

Mol Phylogenet Evol. 2010 Mar;54(3):984-94. doi: 10.1016/j.ympev.2009.08.021. Epub 2009 Aug 21.


Analysing the isotopic life history of the alpine ungulates Capra ibex and Rupicapra rupicapra rupicapra through their horns.

Barbosa IC, Kley M, Schäufele R, Auerswald K, Schröder W, Filli F, Hertwig S, Schnyder H.

Rapid Commun Mass Spectrom. 2009 Aug;23(15):2347-56. doi: 10.1002/rcm.4157.


Head morphology of the ricefish, Oryzias latipes (Teleostei: Beloniformes).

Werneburg I, Hertwig ST.

J Morphol. 2009 Sep;270(9):1095-106. doi: 10.1002/jmor.10746.


Genetic and functional properties of the self-transmissible Yersinia enterocolitica plasmid pYE854, which mobilizes the virulence plasmid pYV.

Hammerl JA, Klein I, Lanka E, Appel B, Hertwig S.

J Bacteriol. 2008 Feb;190(3):991-1010. Epub 2007 Nov 30.

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