Evidence map›Paper›PMID 40569902›Full record

ArticlePloS one2025

Serratia sp. traits distinguish the lung microbiome of patients with tuberculosis and non-tuberculous mycobacterial lung diseases.

Meriem Belheouane, Barbara Kalsdorf, Stefan Niemann, Karoline I Gaede, Christoph Lange, Jan Heyckendorf, Matthias Merker

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Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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1 · What the graph read from it

What it found

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2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

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4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Meriem BelheouaneEvolution of the Resistome, Research Center Borstel, Borstel, Germany.ORCID 0000-0002-2939-4862
Barbara KalsdorfClinical Infectious Diseases, Research Center Borstel, Borstel, Germany.
Stefan NiemannMolecular and Experimental Mycobacteriology, Research Center Borstel, Borstel, Germany.
Karoline I GaedeBioMaterialBank Nord, Research Center Borstel, Leibniz Lung Center, Borstel, Germany.
Christoph LangeClinical Infectious Diseases, Research Center Borstel, Borstel, Germany.
Jan HeyckendorfClinical Infectious Diseases, Research Center Borstel, Borstel, Germany.
Matthias MerkerEvolution of the Resistome, Research Center Borstel, Borstel, Germany.ORCID 0000-0003-1386-2331

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPathogenic mycobacteria, such as Mycobacterium tuberculosis complex (Mtbc), and non-tuberculous mycobacteria (NTMs) can cause severe chronic pulmonary infections. However, not all infected patients develop active disease, and it remains unclear whether key lung microbiome taxa play a role in the pathogenesis of tuberculosis (TB) and NTM lung diseases (LD). Here, we aim to further define the lung microbiome composition in TB, and NTM-LD prior to the initiation of therapy. STUDY

designWe employed 16S rRNA amplicon sequencing to characterize the baseline microbiome in bronchoalveolar lavage fluid (BALF) from patients diagnosed with TB (n = 23), NTM-LD (n = 19), or non-infectious inflammatory disease (n = 4). We applied depletion of human cells, removal of extracellular DNA, implementation of a decontamination strategy, and exploratory whole-metagenome sequencing (WMS) of selected specimens.

resultsGenera Serratia and unclassified Yersiniaceae dominated the lung microbiome of most patients with a mean relative abundance of >15% and >70%, respectively. However, at the sub-genus level, as determined by amplicon sequence variants (ASVs), TB-patients exhibited increased community diversity, and distinct signatures of ASV_7, ASV_21 abundances which resulted in a significant association with disease state. Exploratory WMS, and ASV similarity analyses suggested the presence of Serratia liquefaciens, Serratia grimesii, Serratia myotis and/or Serratia quinivorans in TB and NTM-LD patients.

conclusionsThe lung microbiome of TB-patients harbored a distinct, and heterogenous structure, with specific occurrences of certain Serratia traits. Some of these traits may play a role in understanding the microbial interactions in the lung microbiome of patients infected with Mtbc.

Indexed as

LungLung DiseasesMicrobiotaMycobacterium Infections, NontuberculousSerratiaTuberculosis, PulmonaryAdultAgedBronchoalveolar Lavage FluidFemaleHumansMaleMiddle AgedNontuberculous MycobacteriaRNA, Ribosomal, 16SRNA, Ribosomal, 16S

Identifiers

PMID40569902
PMCPMC12200645

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.