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Bastian Seelbinder

About Bastian Seelbinder:
No description specified

SEEK ID: https://funginet.hki-jena.de/people/176

Location:  Germany

Expertise: Bioinformatics, Host-Pathogen Interaction, Machine Learning, Integrative Data Analysis, Algorithmics

Tools: Not specified

ORCID: https://orcid.org/0000-0002-7458-5289

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Related items

INF

Integrated database for experimental data

Within the Collaborative Research Center / Transregio 124 “Pathogenic fungi and their human host: Networks of Interaction – FungiNet”, the INF project is responsible to analyse and share OMICS data. Databases help to foster the collaboration within FungiNet as an important point of the Collaborative Research Center. Therefore, we set-up two databases:

a) SEEK is a web-based platform to find, share and exchange unstructured data and knowledge, such as
...

Programme: Collaborative Research Center / Transregio 124 "Pathogenic fungi and their human host: Networks of Interaction - FungiNet"

Public web page: http://www.funginet.de/project-inf.html

B5
No description specified

Programme: Collaborative Research Center / Transregio 124 "Pathogenic fungi and their human host: Networks of Interaction - FungiNet"

Public web page: http://www.funginet.de/project-b5.html

Triple RNA-Seq Reveals Synergy in a Human Virus-Fungus Co-infection Model.
INF, A2, B5

Abstract (Expand)

High-throughput RNA sequencing (RNA-seq) is routinely applied to study diverse biological processes; however, when performed separately on interacting organisms, systemic noise intrinsic to RNA extraction, … library preparation, and sequencing hampers the identification of cross-species interaction nodes. Here, we develop triple RNA-seq to simultaneously detect transcriptomes of monocyte-derived dendritic cells (moDCs) infected with the frequently co-occurring pulmonary pathogens Aspergillus fumigatus and human cytomegalovirus (CMV). Comparing expression patterns after co-infection with those after single infections, our data reveal synergistic effects and mutual interferences between host responses to the two pathogens. For example, CMV attenuates the fungus-mediated activation of pro-inflammatory cytokines through NF-kappaB (nuclear factor kappaB) and NFAT (nuclear factor of activated T cells) cascades, while A. fumigatus impairs viral clearance by counteracting viral nucleic acid-induced activation of type I interferon signaling. Together, the analytical power of triple RNA-seq proposes molecular hubs in the differential moDC response to fungal/viral single infection or co-infection that contribute to our understanding of the etiology and, potentially, clearance of post-transplant infections.

Authors: Bastian Seelbinder, J. Wallstabe, Lothar Marischen, Esther Weiß, S. Wurster, L. Page, C. Loffler, L. Bussemer, A. L. Schmitt, Thomas Wolf, Jörg Linde, L. Cicin-Sain, J. Becker, U. Kalinke, J. Vogel, Gianni Panagiotou, Hermann Einsele, A. J. Westermann, Sascha Schäuble, Jürgen Löffler

Date Published: 17th Nov 2020

Journal: Cell Rep

Antibiotics create a shift from mutualism to competition in human gut communities with a longer-lasting impact on fungi than bacteria.
INF, C1, B5

Abstract (Expand)

BACKGROUND: Antibiotic treatment has a well-established detrimental effect on the gut bacterial composition, but effects on the fungal community are less clear. Bacteria in the lumen of the gastrointestinal … tract may limit fungal colonization and invasion. Antibiotic drugs targeting bacteria are therefore seen as an important risk factor for fungal infections and induced allergies. However, antibiotic effects on gut bacterial-fungal interactions, including disruption and resilience of fungal community compositions, were not investigated in humans. We analysed stool samples collected from 14 healthy human participants over 3 months following a 6-day antibiotic administration. We integrated data from shotgun metagenomics, metatranscriptomics, metabolomics, and fungal ITS2 sequencing. RESULTS: While the bacterial community recovered mostly over 3 months post treatment, the fungal community was shifted from mutualism at baseline to competition. Half of the bacterial-fungal interactions present before drug intervention had disappeared 3 months later. During treatment, fungal abundances were associated with the expression of bacterial genes with functions for cell growth and repair. By extending the metagenomic species approach, we revealed bacterial strains inhibiting the opportunistic fungal pathogen Candida albicans. We demonstrated in vitro how C. albicans pathogenicity and host cell damage might be controlled naturally in the human gut by bacterial metabolites such as propionate or 5-dodecenoate. CONCLUSIONS: We demonstrated that antibacterial drugs have long-term influence on the human gut mycobiome. While bacterial communities recovered mostly 30-days post antibacterial treatment, the fungal community was shifted from mutualism towards competition. Video abstract.

Authors: Bastian Seelbinder, J. Chen, S. Brunke, R. Vazquez-Uribe, R. Santhaman, A. C. Meyer, F. S. de Oliveira Lino, K. F. Chan, D. Loos, L. Imamovic, C. C. Tsang, R. P. Lam, S. Sridhar, K. Kang, Bernhard Hube, P. C. Woo, M. O. A. Sommer, Gianni Panagiotou

Date Published: 12th Sep 2020

Journal: Microbiome

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