Saccharomyces cerevisiae in cancer research: modeling tumor biology and enabling drug discovery
By combining genetic tractability with conservation of key cellular pathways, Saccharomyces cerevisiae is emerging as a versatile model for cancer biology and a scalable platform for identifying therapeutic targets and vulnerabilities.
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.
Saccharomyces cerevisiae in cancer research: modeling tumor biology and enabling drug discovery
Assalve et al.By combining genetic tractability with conservation of key cellular pathways, Saccharomyces cerevisiae is emerging as a versatile model for cancer biology and a scalable platform for identifying therapeutic targets and vulnerabilities.
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.
Microbiota and metabolome dynamics induced by Shiga toxin-producing E. coli in an in vitro model of an infant’s colon
Izquierdo et al.This study provides new evidence of the impact of EHEC in the microbiota and metabolome dynamics in an in vitro gut model that could be useful in understanding their physiopathology in this at-risk population, considering inter-individual variabilities in gut microbiota.
Ampicillin treatment in persister cell studies may cause non-physiological artifacts
Fasnacht et al.This study shows at the example of L2 how insufficient purification of ampicillin persister cells can lead to the generation of non-physiological artifacts and provides a novel tool to improve the removal of residual cell debris.
Clostridium scindens promotes gallstone formation by inducing intrahepatic neutrophil extracellular traps through CXCL1 produced by colonic epithelial cells
Yao et al.Through in vivo and in vitro experiments, we validated the reliability of C. scindens stimulating colonic epithelial cells to produce TLR2, activating the NF-κB signaling pathway, promoting CXCL1 expres-sion, and inducing intrahepatic neutrophil NETosis, which may be associated with gallstone formation.
Integrative Omics reveals changes in the cellular landscape of peroxisome-deficient pex3 yeast cells
To uncover the consequences of peroxisome deficiency, we compared Saccharomyces cerevisiae wild-type with pex3 cells, which lack peroxisomes, employing quantitative proteomics and transcriptomics technologies.
Microwave-assisted preparation of yeast cells for ultrastructural analysis by electron microscopy
Mayer et al.Budding yeast Saccharomyces cerevisiae is widely used as a model organism to study the biogenesis and architecture of organellar membranes, which can be visualized by transmission electron microscopy (TEM).
A complex remodeling of cellular homeostasis distinguishes RSV/SARS-CoV-2 co-infected A549-hACE2 expressing cell lines
Vanetti et al.Given the common tropism of SARS-CoV-2 and RSV, and the unclear consequences of their mutual influence, we developed an in vitro lung epithelial cell model to study the molecular mechanisms and cellular pathways modulated in viral co-infection.
RidA proteins contribute to fitness of S. enterica and E. coli by reducing 2AA stress and moderating flux to isoleucine biosynthesis
Fulton et al.This study solidifies the established role of RidA in removing 2AA, while also presenting evidence for a role of RidA in enhancing flux towards isoleucine biosynthesis in E. coli. Overall, these data emphasize that metabolic networks can generate distinct responses to perturbation, even when the individual components are conserved.
Fecal gelatinase does not predict mortality in patients with alcohol-associated hepatitis
Yang et al.This study aimed to investigate the significance of fecal gelatinase on clinical outcomes in patients with alcohol-associated hepatitis. In conclusion, in our cohort, fecal gelatinase does not predict mortality and does not indicate higher disease severity in patients with alcohol-associated hepatitis.
Direct detection of stringent alarmones (pp)pGpp using malachite green
Schicketanz et al.In this study, we demonstrate the surprising discovery of a commercially available, low-cost malachite green (MG) detection kit, originally designed for orthophosphate (Pi) detection, for detecting (p)ppGpp and its analogues, especially pGpp
Extracellular vesicles: An emerging platform in gram-positive bacteria
Bose et al.Extracellular vesicles (EVs) are secreted by both pathogenic and non-pathogenic bacteria to transfer biomolecules and facilitate intercellular communication. While EV secretion in gram-negative bacteria is well understood, less is known about gram-positive bacteria. This review explores the role of EVs involved in bacterial competition, survival, immune evasion, and infection of gram-positive bacteria and compares them to gram-negative counterparts.
Structural insights into the architecture and assembly of eukaryotic flagella
Petriman and Lorentzen.Cilia and flagella are key structures in motility and signaling. This review highlights recent findings of cryo-EM studies that have mapped the structure of axonemal microtubules in Chlamydomonas reinhardtii, revealing over 30 associated proteins as well as recent researcht which focused on the trafficking complexes that transport components between the cell body and cilium.
Erythrocyte phospho-signalling is dynamically altered during infection with Plasmodium falciparum
Adderley and DoerigThis article refers to the study “Analysis of erythrocyte signalling pathways during Plasmodium falciparum infection identifies targets for host-directed antimalarial intervention” by Adderley et al. (Nat Commun, 2020) that investigates how Plasmodium falciparum malaria parasites influence red blood cells. By tracking hanges in over 800 human proteins at different parasite stages they confirmed activation of the PAK-MEK pathway and discovered significant changes, particularly during the trophozoite stage. This suggests that kinases activated by the infection could be targeted for new antimalarial therapies.
Plant and fungal products that extend lifespan in Caenorhabditis elegans
Martel et al.Caenorhabditis elegans’ lifespan is extended by plant and fungal extracts activating pathways like autophagy and mitochondrial biogenesis. Low to moderate concentrations promote longevity, while high doses are harmful. This review explores the health benefits of these substances in humans.
A new role for proteins subunits of RNase P: stabilization of the telomerase holoenzyme
Garcia and Zakian.This article refers to the study “Stability and Nuclear Localization of Yeast Telomerase Depend on Protein Components of RNase P/MRP”, by Garcia et al. (Nat Commun, 2020), showing that 3 essential proteins in Saccharomyces cerevisiae are vital for telomerase assembly and nuclear localization. In their mutants, telomerase is less mature, and telomeres are shorter. TLC1 is properly folded but remains in the cytoplasm, rather than moving to the nucleus, where it maintains telomeres.
Lipid droplet biogenesis from specialized ER subdomains
Choudhary and SchneiterThis article refers to the paper “Seipin and Nem1 establish discrete ER subdomains to initiate yeast lipid droplet biogenesis” by Choudhary et al. (J Cell Biol, 2020), which deals with the formation of lipid droplets (LDs) at specific ER sites marked by the proteins Fld1 and Nem1. These proteins recruit enzymes such as Lro1 and Dga1 to initiate fat storage. Together, Fld1 and Nem1 define where LDs form by organising key proteins and lipids needed for their biogenesis.
From the Uncharacterized Protein Family 0016 to the GDT1 family: Molecular insights into a newly-characterized family of cation secondary transporters
Thines et al.This review outlines how the formerly uncharacterized UPF0016 family, now known as the Gdt1 family, plays key roles in cation transport – especially Mn²⁺ – across species from bacteria to humans. These proteins are crucial for processes like glycosylation, photosynthesis, and calcium signaling, with functions linked to their localization in membranes such as the Golgi, chloroplast, and plasma membrane and by that highlighting their evolutionary conservation and physiological relevance, offering insights into their shared and distinct features across organisms.
A broad-spectrum antibiotic adjuvant SLAP-S25: one stone many birds
This article refers to the study “A broad-spectrum antibiotic adjuvant reverses multidrug-resistant Gram-negative pathogens” by Song et al. (Nat Microbiol, 2020), which deals with the growing threat of antibiotic resistance, with few new drugs being developed for decades. The study found that the peptide SLAP-S25 enhances the efficacy of several antibiotics against resistant Gram-negative bacteria by disrupting their membranes, thereby increasing drug uptake. This suggests that bacterial membranes are promising targets for new antibiotic adjuvants.
Hiding in plain sight: vesicle-mediated export and transmission of prion-like proteins
KabaniThis article relates to the study “Glucose availability dictates the export of the soluble and prion forms of Sup35p via periplasmic or extracellular vesicles” by Kabani et al. (Mol Microbiol, 2020) that provides compelling evidence that yeast prions, such as Sup35p in its infectious [PSI⁺] state, can be exported via both extracellular vesicles (EVs) and periplasmic vesicles (PVs), with this export being modulated by environmental glucose levels. The discovery that prion particles are released in high amounts through PVs during glucose starvation adds a new dimension to our understanding of prion transmission and opens up fascinating possibilities for exploring vesicle-mediated spread of protein aggregates in neurodegenerative diseases using yeast as a model system.
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.