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  4. Dual transcriptome of the immediate neutrophil and Candida albicans interplay
 
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2017
Journal Article
Title

Dual transcriptome of the immediate neutrophil and Candida albicans interplay

Abstract
Background: Neutrophils are traditionally considered transcriptionally inactive. Compared to other immune cells, little is known about their transcriptional profile during interaction with pathogens. Methods: We analyzed the meta-transcriptome of the neutrophil-Candida albicans interplay and the transcriptome of C. albicans challenged with neutrophil extracellular traps (NETs) by RNA-Seq, considering yeast and hypha individually in each approach. Results: The neutrophil response to C. albicans yeast and hyphae was dominated by a morphotype-independent core response. However, 11% of all differentially expressed genes were regulated in a specific manner when neutrophils encountered the hyphal form of C. albicans. While involving genes for transcriptional regulators, receptors, and cytokines, the neutrophil core response lacked typical antimicrobial effectors genes. Genes of the NOD-like receptor pathway, including NLRP3, were enriched. Neutrophil- and NET-provoked respons es in C. albicans differed. At the same time, the Candida transcriptome upon neutrophil encounter and upon NET challenge included genes from various metabolic processes and indicate a mutual role of the regulators Tup1p, Efg1p, Hap43p, and Cap1p. Upon challenge with neutrophils and NETs, the overall Candida response was partially morphotype-specific. Yet again, actual oppositional regulation in yeasts and hyphae was only detected for the arginine metabolism in neutrophil-infecting C. albicans. Conclusions: Taken together, our study provides a comprehensive and quantitative transcript profile of the neutrophil-C. albicans interaction. By considering the two major appearances of both, neutrophils and C. albicans, our study reveals yet undescribed insights into this medically relevant encounter. Hence, our findings will facilitate future research and potentially inspire novel therapy developments.
Author(s)
Niemiec, M.J.
Grumaz, Christian  
Ermert, D.
Desel, C.
Shankar, M.
Lopes, J.P.
Mills, I.G.
Stevens, Philip  
Sohn, K.  
Urban, C.F.  
Journal
BMC genomics. Online journal  
Open Access
DOI
10.1186/s12864-017-4097-4
Link
Link
Language
English
Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik IGB  
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