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IMMER AUF DEM NEUESTEN STAND

Paper of the Month

  

Die DGHM würdigt jeden Monat DGHM-Mitglieder, die als Erst- oder LetztautorIn an einer herausragenden Publikation, die in den vorangegangenen 3 Monaten hochrangig publiziert wurde, beteiligt waren. Die Forschungsergebnisse können so einer größeren Öffentlichkeit vorgestellt werden.

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Aktuelles Paper of the Month

A non‐death function of the mitochondrial apoptosis apparatus in immunity
Brokatzky D1, Dörflinger B1, Haimovici A1, Weber A1, Kirschnek S1, Vier J1, Metz A1, Henschel J1, Steinfeldt T2, Gentle IE1, Häcker G3,4.

The EMBO Journal; Volume 38, Issue 10

Foto: Dominik Brokatzky

Link zum vollständigen Artikel: www.ncbi.nlm.nih.gov/pubmed/?term=30979778

Abstract:
Apoptosis is a frequent form of programmed cell death, but the apoptotic signaling pathway can also be engaged at a low level, in the absence of cell death. We here report that such sub‐lethal engagement of mitochondrial apoptosis signaling causes the secretion of cytokines from human epithelial cells in a process controlled by the Bcl‐2 family of proteins. We further show that sub‐lethal signaling of the mitochondrial apoptosis pathway is initiated by infections with all tested viral, bacterial, and protozoan pathogens and causes damage to the genomic DNA. Epithelial cells infected with these pathogens secreted cytokines, and this cytokine secretion upon microbial infection was substantially reduced if mitochondrial sub‐lethal apoptosis signaling was blocked. In the absence of mitochondrial pro‐apoptotic signaling, the ability of epithelial cells to restrict intracellular bacterial growth was impaired. Triggering of the mitochondrial apoptosis apparatus thus not only causes apoptosis but also has an independent role in immune defense.

Kommentar: Dies ist das erste Mal, dass gezeigt wurde, dass durch verschiedenste Pathogene es zu einer Aktivierung des mitochondriellen Apoptose Signalweges kommt, welche jedoch nicht zum Tod der Zelle führt, sondern eine unabhängige Rolle in der Immunabwehr spielt.

Kontaktadresse des Autors:
IMMH
Hermann-Herder-Str 11
79104 Freiburg
dominik.brokatzky@uniklinik-freiburg.de

Autoreninformation:
1 Faculty of Medicine, Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Freiburg, Germany.
2 Faculty of Medicine, Institute of Virology, Medical Center, University of Freiburg, Freiburg, Germany.
3 Faculty of Medicine, Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Freiburg, Germany
4 BIOSS Centre for Biological Signalling Studies, University of Freiburg, Freiburg, Germany.

April 2019: Limitation of TCA Cycle Intermediates Represents an Oxygen-Independent Nutritional Antibacterial Effector Mechanism of Macrophages
Hayek I, Fischer F, Schulze-Luehrmann J, Dettmer K, Sobotta K, Schatz V, Kohl L, Boden K, Lang R, Oefner PJ, Wirtz S, Jantsch J, Lührmann A.
Cell Reports, 2019, 26, 3502-3510. Link zum vollständigen Artikel: www.ncbi.nlm.nih.gov/pubmed/30917307

März 2019: Chronic Chlamydia infection in human organoids increases stemness and promotes age-dependent CpG methylation
Kessler M, Hoffmann K, Fritsche K, Brinkmann V, Mollenkopf HJ, Thieck O, Teixeira da Costa AR, Braicu EI, Sehouli J, Mangler M, Berger H, Meyer TF.
Nature Communications, 2019, 10(1):1194; Link zum vollständigen Artikel: www.ncbi.nlm.nih.gov/pubmed/?te

Februar 2019: Evolution of fluconazole-resistant Candida albicans strains by drug-induced mating competence and parasexual recombination
Christina Popp, Bernardo Ramírez-Zavala, Sonja Schwanfelder, Ines Krüger, Joachim Morschhäuser
mBio, 2019, 10:e02740-18;  Link zum vollständigen Artikel: www.ncbi.nlm.nih.gov/pubmed/?term=30723130

Januar 2019: Potential Role for Urine Polymerase Chain Reaction in the Diagnosis of Whipple’s Disease
Moter A*#1,2, Janneck M#3, Wolters M#4, Iking-Konert C3, Wiessner A1,2, Loddenkemper C5, Hartleben B6, Lütgehetmann M4, Schmidt J1,2, Langbehn U6, Janssen S7, Geelhaar-Karsch A7, Schneider T7, Moos V#7, Rohde H#4, Kikhney J#1,2, Wiech T#6.
#geteilte Autorenschaft, *Corrsponding author
Clinical Infectious Diseases, 2018, Oct 22
Link zum vollständigen Artikel: www.ncbi.nlm.nih.gov/pubmed/?term=30351371

Dezember 2018: The importance of adjusting for enterococcus species when assessing the burden of vancomycin resistance: a cohort study including over 1000 cases of enterococcal bloodstream infections.
Kramer TS, Remschmidt C, Werner S, Behnke M, Schwab F, Werner G, Gastmeier P, Leistner R
Antimicrobial Resistance & Infection Control 2018; 7:133
Link zum vollständigen Artikel: www.ncbi.nlm.nih.gov/pubmed/?term=30459945

November 2018: The fungal peptide toxin Candidalysin activates the NLRP3 inflammasome and causes cytolysis in mononuclear phagocytes
Kasper L#, König A#, Koenig PA#, Gresnigt MS, Westman J, Drummond RA, Lionakis MS, Groß O, Ruland J, Naglik JR, Hube B*
#geteilte Erstautorenschaft, *Corrsponding author
Nature Communication 2018 9(1), 4260
Link zum vollständigen Artikel: www.ncbi.nlm.nih.gov/pubmed/?term=PMC6189146

Oktober 2018: The olfactory epithelium as a port of entry in neonatal neurolisteriosis
Dennis Pägelow, Chintan Chhatbar, Andreas Beineke, Xiaokun Liu, Andreas Nerlich, Kira van Vorst, Manfred Rohde, Ulrich Kalinke, Reinhold Förster, Stephan Halle, Peter Valentin-Weigand, Mathias W. Hornef & Marcus Fulde
Nature Communications, 2018, Oct 15;9(1):4269. doi: 10.1038/s41467-018-06668-2.
Link zum vollständigen Artikel: https://www.ncbi.nlm.nih.gov/pubmed/30323282

September 2018: Azole-induced cell wall carbohydrate patches kill Aspergillus fumigatus, Bernadette Geißel, Veronika Loiko, Isabel Klugherz, Zhaojun Zhu, Nikola Wagener, Oliver Kurzai, Cees A. M., J. J. van den Hondel & Johannes Wagener
Nature Communications, 2018, volume 9, Article number: 3098 (2018)
Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6078979/

August 2018: Neonatal selection by Toll-like receptor 5 influences long-term gut microbiota composition, Marcus Fulde, Felix Sommer, Benoit Chassaing, Kira van Vorst, Aline Dupont, Michael Hensel, Marijana Basic, Robert Klopfleisch, Philip Rosenstiel, André Bleich, Fredrik Bäckhed, Andrew T. Gewirtz & Mathias W. Hornef
Nature. 2018 Aug 8. doi: 10.1038/s41586-018-0395-5.
Vollständiger Artikel: https://www.nature.com/articles/s41586-018-0395-5

Juli 2018: Candida albicans-induced epithelial damage mediates translocation through intestinal barriers, Stefanie Allert & Toni M. Förster…….. and Bernhard Hube
MBio. 2018 Jun 5;9(3). pii: e00915-18. doi: 10.1128/mBio.00915-18.
Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pubmed/?term=29871918externer Link

Juni 2018: Chlamydia trachomatis paralyzes neutrophils to evade the host innate immune response, Karthika Rajeeve …….and Thomas Rudel
Nat Microbiol. 2018 Jul;3(7):824-835. doi: 10.1038/s41564-018-0182-y. Epub 2018 Jun 25.
Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pubmed/?term=29946164externer Link

Mai 2018: Combined Human Genome-wide RNAi and Metabolite Analyses Identify IMPDH as a Host-Directed Target against Chlamydia Infection, Marion Rother,…..and  Thomas Meyer
Cell Host Microbe. 2018 May 9;23(5):661-671.e8. doi: 10.1016/j.chom.2018.04.002. Epub 2018 Apr 26. Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pubmed/?term=29706504externer Link

April 2018: Minimal SPI1-T3SS effector requirement for Salmonella enterocyte invasion and intracellular proliferation in vivo, Zhang K, …….and  Hornef M*.
PloS Pathogens, 2018, 14(3), e1006925
Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pubmed/29522566

März 2018: CRISPR RNA-Dependent Binding and Cleavage of Endogenous RNAs by the Campylobacter jejuni Cas9, Dugar G, ….and Sharma CM
Molecular Cell, 2018, 69(5):893-905
Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pubmed/29499139externer Link

Februar 2018: Plasmid-Encoded Transferable mecB-Mediated Methicillin Resistance in Staphylococcus aureus, Becker K, …and Peters G
Emerg Infect Dis 2018 Feb;24(2):242-248. doi: 10.3201/eid2402.171074.
Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pubmed/29350135externer Link

Januar 2018: Lipid moieties on lipoproteins of commensal and non-commensal staphylococci induce differential immune responses, Minh-Thu Nguyen…and Friedrich Götz
t Commun. 2017 Dec 21;8(1):2246. doi: 10.1038/s41467-017-02234-4.
Vollständiger Artikel: https://www.ncbi.nlm.nih.gov/pubmed/29269769externer Link