A time-resolved high-throughput screening of fission yeast deletion mutants for oxidative stress resistance
By capturing dynamic trajectories rather than static outcomes, this study exposes hidden layers of growth under oxidative stress and identifies new genetic determinants of cellular resilience in fission yeast.
Clonal spread and environmental persistence of carbapenem-resistant high-risk Pseudomonas aeruginosa in critical-care units of a Chilean national referral center for burn and trauma patients (2022)
This study highlight the circulation of high-risk P. aeruginosa clones in Chile and underscore the importance of molecular epidemiology in guiding infection control, optimizing antimicrobial therapy, and mitigating the clinical and economic burden of CRPA.
The transcriptome of dendritic cells redraws the boundaries between pathogenicity and commensalism in yeast
Our immune system meets many fungi, but reacts strongly to only a few. The comparison of key fungal species showed that responses differ mainly in timing and not just genes, highlighting the need to rethink what makes fungi harmful vs. harmless.
Yippee-like protein Moh1 links gene expression to metabolism and selective stress resistance in Saccharomyces cerevisiae
This study demonstrates that the conserved yeast protein Moh1 links metabolism, gene expression, and cell structure, thereby altering cell envelope permeability and leading to selective stress responses.
Fungistatic effect of sorbic acid on yeast cells via translational repression involving eIF2α phosphorylation and formation of Ded1- and eIF2B-granules
The findings of this study provide new insights into the physiological effects of sorbic acid on yeast cells, specifically regarding the regulation of translation-related factors.
A time-resolved high-throughput screening of fission yeast deletion mutants for oxidative stress resistance
Pirsalehi et al.By capturing dynamic trajectories rather than static outcomes, this study exposes hidden layers of growth under oxidative stress and identifies new genetic determinants of cellular resilience in fission yeast.
Clonal spread and environmental persistence of carbapenem-resistant high-risk Pseudomonas aeruginosa in critical-care units of a Chilean national referral center for burn and trauma patients (2022)
Ibarra et al.This study highlight the circulation of high-risk P. aeruginosa clones in Chile and underscore the importance of molecular epidemiology in guiding infection control, optimizing antimicrobial therapy, and mitigating the clinical and economic burden of CRPA.
The transcriptome of dendritic cells redraws the boundaries between pathogenicity and commensalism in yeast
Rizzetto et al.Our immune system meets many fungi, but reacts strongly to only a few. The comparison of key fungal species showed that responses differ mainly in timing and not just genes, highlighting the need to rethink what makes fungi harmful vs. harmless.
Yippee-like protein Moh1 links gene expression to metabolism and selective stress resistance in Saccharomyces cerevisiae
Olgun et al.This study demonstrates that the conserved yeast protein Moh1 links metabolism, gene expression, and cell structure, thereby altering cell envelope permeability and leading to selective stress responses.
Fungistatic effect of sorbic acid on yeast cells via translational repression involving eIF2α phosphorylation and formation of Ded1- and eIF2B-granules
Yoshiyama et al.The findings of this study provide new insights into the physiological effects of sorbic acid on yeast cells, specifically regarding the regulation of translation-related factors.
Occlusal types shape oral microbiome stomatotypes and metabolic landscapes: A multi-omics perspective on host-microbe interaction
Duan et alThis study reveals how occlusal types shape oral microbiome “stomatotypes” and metabolic profiles in adolescents. It offers fresh insights that host anatomy drives microecology which may be associated with personalized oral health.
Prohibitins: emerging host targets of bacteria and viruses at the plasma membrane, mitochondria, and cytoplasm
Rivera-Palomino and TheissProhibitins are emerging as central host hubs exploited by bacteria and viruses to rewire signaling and mitochondrial dynamics. The current review discusses Prohibitins in host-pathogen interplay and their potential as novel anti-infective targets.
Outer membrane vesicles in Vibrio species: Roles in biofilm formation and pathogenesis
Shambhavi and SinghThis review explores current knowledge on outer membrane vesicles (OMVs) in Vibrio species, highlighting their roles in pathogenesis, host interaction, and marine ecology; and identifies major knowledge gaps, outlining key methodological challenges and future prospects for OMV-based applications.
Genomic epidemiology of carbapenemase-producing Klebsiella pneumoniae circulating in a Chilean tertiary-care hospital (2021–2022): Molecular characterization, resistance-virulence convergence, and clinical associations
Araya et al.This study characterized carbapenem-resistant Kp (CR-Kp) strains isolated at the Hospital Clínico Universidad de Chile (HCUCH) 2021-2022 and explored associations with clinical characteristics.
Promoter methylation and increased expression of PD-L1 in patients with active tuberculosis
Tseng et al.The PD-1/PD-L1 pathway plays a pivotal role in T cell activity and is involved in the pathophysiology of tuberculosis. Here we show that PD-L1 expression is increased in patients with active tuberculosis and is correlated with treatment outcomes.
Quantification methods of Candida albicans are independent irrespective of fungal morphology
Soares et al.Our study demonstrated that the quantification methods of C. albicans (cells/mL, CFU/mL, and vPCR) did not agree, regardless of the fungal morphology/growth, even though a significant and strong correlation is observed.
Pathogenic Escherichia coli change the adhesion between neutrophils and endotheliocytes in the experimental bacteremia model
Pleskova et al.In this work, we have demonstrated that in the model of experimental septicemia there is a disruption of adhesion contacts between neutrophils and endothelial cells, manifested by a decrease in adhesion force and work upon exposure to E. coli.
Arsenite treatment induces Hsp90 aggregates distinct from conventional stress granules in fission yeast
Tomimoto et al.Given the conserved role of Hsp90 as a molecular chaperone protein, our findings presented in this study may suggest a novel type of arsenite-induced biological condensates, wherein Hsp90 plays a key role in maintaining its integrity.
Unresolved mystery of cyclic nucleotide second messengers, periplasmic acid phosphatases and bacterial natural competence
Kronborg and ZhangIn this study we aimed to identify the promotors responsible for the expression of the non-specific acid phosphatase AphA during different starvation conditions, to confirm the requirement of the cAMP-dependent CRP regulon for aphA expression, and to finally identify regulators of its expression.
Expansion of metabolically labelled endocytic organelles and cytoskeletal cell structures in Giardia lamblia using optimised U- ExM protocols
Jetishi et al.Understanding cellular ultrastructure is tightly bound to microscopic resolution and the ability to identify individual components at that resolution. In this study we demonstrate mostly isotropic 4.5-fold expansion of several different compartments in Giardia cells and present an optimised, shortened, and modular protocol that can be swiftly adjusted to the investigators needs.
Polyadenylated versions of small non-coding RNAs in Saccharomyces cerevisiae are degraded by Rrp6p/Rrp47p independent of the core nuclear exosome
Chaudhuri et al.In this investigation, we unveiled a novel functional role of the major nuclear 3′→5′ exoribonuclease, Rrp6p, and its cofactor Rrp47p in the degradation of polyadenylated versions of several mature sncRNAs, including 5S, 5.8S rRNAs, all sn- and some select snoRNAs in the baker’s yeast S. cerevisiae.
Exploring carbon source related localization and phosphorylation in the Snf1/Mig1 network using population and single cell-based approaches
Braam et al.In this work we set out to explore the relationship between the subcellular localization and regulation of kinases in the context of carbon source signaling. The data presented in this paper reinforce the notion that not only the activation/inactivation of kinases but also their subcellular localization and that of their targets influence fate decisions in response to environmental changes.
A Modular Cloning Toolkit for the production of recombinant proteins in Leishmania tarentolae
Hieronimus et al.Modular Cloning (MoClo) is based on libraries of standardized genetic parts that can be directionally assembled via Golden Gate cloning in one-pot reactions into transcription units and multigene constructs. We established a MoClo toolkit and exemplified its application for the production of recombinant proteins in L. tarentolae.
Out with the old: Hsp90 finds amino acid residue more useful than co-chaperone protein
Zuehlke and NeckersThis article comments on work published by Zuehlke et al (Nat Commun, 2017), which demonstrates that the function of one co-chaperone in yeast is replaced by posttranslational modification (PTM) of a single amino acid within Hsp90 in higher eukaryotes.
Having your cake and eating it – Staphylococcus aureus small colony variants can evolve faster growth rate without losing their antibiotic resistance
Gerrit Brandis et al.This article comments on work published by Cao et al. (mBio, 2027), which shows that Staphylococcus aureus can produce small colony variants (SCVs) that are challenging to detect and lead to persistent infections due to mutations affecting respiration and ATP production, with recent findings indicating various evolutionary paths for SCVs to increase growth rate while maintaining antibiotic resistance, suggesting greater adaptability and clinical challenge.
The interplay between transcription and mRNA degradation in Saccharomyces cerevisiae
Das et al.This review summarizes how the integration of mRNA synthesis and degradation, mediated by specialized promoters and “coordinators,” shapes the cellular transcriptome and plays a significant role in regulating gene expression profiles in various biological processes and potentially enhances evolutionary rates.
Inhibitors of glycosomal protein import provide new leads against trypanosomiasis
Kalel et alThis article comments on work published by Dawidowski et al. (Science, 2017), which provides the grounds for further development of the glycosome inhibitors into clinical candidates and validates the parasite protein-protein interactions as drug targets.
Protein aggregation triggers a declining libido in elder yeasts that still have a lust for life
CaudronThis article comments on work published by Schlissel et al (Science 2017), showing that aging in yeast does not lead to the expected loss of heterochromatin silencing due to Sir2 inactivity, but rather to reduced mating pheromone sensitivity caused by the aggregation of the RNA-binding protein Whi3, which can be reversed by eliminating Whi3’s polyglutamine domain.
Post-transcriptional regulation of ribosome biogenesis in yeast
Kos-Braun and KošMicroorganisms adapt to environmental changes by regulating their metabolism, and one key survival strategy is to decrease energy use during adverse conditions by halting ribosome production, with recent findings showing yeast can switch between pre-rRNA processing pathways in response to environmental shifts, adding complexity to ribosome biogenesis regulation.
Targeting GATA transcription factors – a novel strategy for anti-aging interventions?
Zimmermann et al.This article comments on work published by Carmona-Gutierrez et al. (Nat Commun., 2019), which identified a natural compound, 4,4′-dimethoxychalcone, inducing autophagy and prolonging lifespan in different organisms through a mechanism that involves GATA transcription factors.
In the beginning was the word: How terminology drives our understanding of endosymbiotic organelles
OborníkThis In the Pit article argues that the naming conventions for biological entities influence research perspectives and methodologies, advocating for mitochondria and plastids to be classified and named as bacteria due to their endosymbiotic origins, with potential implications for our understanding of bacterial prevalence, definitions of the microbiome and multicellularity, and the concept of endosymbiotic domestication.
What’s in a name? How organelles of endosymbiotic origin can be distinguished from endosymbionts
GruberThis In the Pit article suggests redefining the relationship between hosts and endosymbionts, like mitochondria and plastids, as a single species based on “sexual symbiont integration,” the loss of independent speciation, and congruence in genetic recombination and population sizes, rather than solely on historic classifications or structural properties.
Microbial wars: competition in ecological niches and within the microbiome
Bauer et al.In this Editorial Bauer et al. provide a brief overview on microbial competition and discuss some of its roles and consequences that directly affect humans.
Exploring the mechanism of amebic trogocytosis: the role of amebic lysosomes
Gilmartin and PetriIn this article, the authors comment on the study “Inhibition of Amebic Lysosomal Acidification Blocks Amebic Trogocytosis and Cell Killing” by Gilmartin et al. (MBio, 2017), discussing the the role of amebic lysosomes in Trogocytosis, the intracellular transfer of fragments of cell material.
Uncovering the hidden: complexity and strategies for diagnosing latent tuberculosis
Flores-ValdezThis editorial postulates that advanced proteomic and transcriptomic techniques are evolving and may enhance the detection of latent tuberculosis, thereby distinguishing true M. tuberculosis infections from other conditions, which is vital for controlling potential reactivation and transmission.
The Yin & Yang of Mitochondrial Architecture – Interplay of MICOS and F1Fo-ATP synthase in cristae formation
Rampelt and van der LaanThis Editorial posits that mitochondrial cristae architecture is shaped by the interplay of MICOS and ATP synthase, with a recent study illuminating their roles in cristae formation and maintenance.
When a ribosomal protein grows up – the ribosome assembly path of Rps3
Brigitte PertschyThis article comments on two papers by Mitterer et al., which followed yeast protein Rps3, highlighting the sophisticated mechanisms for protein protection, nuclear transport, and integration into pre-ribosomal particles for final assembly with 40S subunits.
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Peer-reviewed, open-access research using unicellular organisms (and multicellular microorganisms) to understand cellular responses and human disease.
The journal (founded in 2014) is led by its Editors-in-Chief Frank Madeo, Didac Carmona-Gutierrez, and Guido Kroemer
Microbial Cell has been publishing original scientific literature since 2014, and from the very beginning has been managed by active scientists through an independent Publishing House (Shared science Publishers). The journal was conceived as a platform to acknowledge the importance of unicellular organisms, both as model systems as well as in the biological context of human health and disease.
Ever since, Microbial Cell has very positively developed and strongly grown into a respected journal in the unicellular research community and even beyond. This scientific impact is reflected in the yearly number of citations obtained by articles published in Microbial Cell, as recorded by the Web of Science (Clarivate, formerly Thomson/Reuters):
The scientific impact of Microbial Cell is also mirrored in a series of milestones:
2015: Microbial Cell is included in the Emerging Sources Citation Index (ESCI), a selection of developing journals drafted by Clarivate Analytics based on the candidate’s publishing standards, quality, editorial content, and citation data. Note: As an ESCI-selected journal, Microbial Cell is currently being evaluated in a rigorous and long process to determine an inclusion in the Science Citation Index Expanded (SCIE), which allows the official calculation of Clarivate Analytics’ impact factor.
2016: Microbial Cell is awarded the so-called DOAJ Seal by the selective Directory of Open Access Journals (DOAJ). The DOAJ Seal is an exclusive mark of certification for open access journals granted by DOAJ to journals that adhere to outstanding best practice and achieve an extra high and clear commitment to open access and high publishing standards.
2017: Microbial Cell is included in Pubmed Central (PMC), allowing the archiving of all the journal’s articles in PMC and PubMed.
2019: Microbial Cell is indexed in the prestigious abstract and citation database Scopus after a thorough selection process. This also means that Microbial Cell obtains, for the first time, an official Scopus CiteScore as well as an official journal ranking in the Scimago Journal and Country Ranking.
2022: Microbial Cell’s CiteScore reaches a value of 7.2 for the year 2021, positioning Microbial Cell among the top microbiology journals (previously available CiteScores: 2019: 5.4; 2020: 5.1).
2022: Microbial Cell is indexed in the highly selective Science Citation Index Expanded™, which covers approx. 9,500 of the world’s most impactful journals across 178 scientific disciplines. In their journal selection and curation process, Clarivate´s editors apply 24 ‘quality’ criteria and four ‘impact’ criteria to select the most influential journals in their respective fields. This selection is also a pre-requisite for inclusion in the JCR, which features the impact factor.
2022: Microbial Cell is listed in the Journal Citation Reports™ (JCR), and obtains its first official Journal Impact Factor™ (JIF) for the year 2021: 5.316.Check Article Types and Manuscript Preparation guidelines. Submit online via Scholastica.
Sulfur dioxide resistance in Saccharomyces cerevisiae: beyond SSU1
García-Ríos and GuillamónThis article discusses the importance of understanding sulfite resistance in Saccharomyces cerevisiae due to its use in winemaking and the potential role of the transcription factor Com2. While the SSU1 gene and its activity have been correlated with sulfite tolerance, the work by Lage et al. (2019) indicates that Com2 might control a large percentage of the genes activated by SO2 and contribute to the yeast’s protective response, offering new insights into the molecular factors influencing this oenological trait.