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.
Towards understanding the gliotoxin detoxification mechanism: in vivo thiomethylation protects yeast from gliotoxin cytotoxicity
Smith et al.Gliotoxin is a mycotoxin produced by some species of ascomycete fungi including the opportunistic human pathogen Aspergillus fumigatus. In order to produce gliotoxin the host organism needs to have evolved a self-protection mechanism. The authors demonstrate that the activity of a novel thiomethyltransferase is requiered for protection against exogenous gliotoxin and provide implications for understanding the evolution of gliotoxin self-protection mechanisms.
Mitochondrial proteomics of the acetic acid – induced programmed cell death response in a highly tolerant Zygosaccharomyces bailii – derived hybrid strain
Guerreiro et al.Very high concentrations of acetic acid at low pH induce programmed cell death (PCD) in both the experimental model Saccharomyces cerevisiae and in Zygosaccharomyces bailii, the latter being considered the most problematic acidic food spoilage yeast due to its remarkable intrinsic resistance to this food preservative. This study offers insights into the mechanisms involved in acetic acid – induced PCD in the Z. bailii-derived hybrid strain ISA1307 by analyzing the yeast mitochondrial protein expression profile of cells challenged by acetic acid.
The transcriptional repressor Sum1p counteracts Sir2p in regulation of the actin cytoskeleton, mitochondrial quality control and replicative lifespan in Saccharomyces cerevisiae
Higuchi-Sanabria et al.Increasing the stability or dynamics of the actin cytoskeleton can extend lifespan in C. elegans and S. cerevisiae. Actin cables of budding yeast, bundles of actin filaments that mediate cargo transport, affect lifespan control through effects on mitochondrial quality control. Here, we report that Sum1p and Sir2p inversely regulate actin and mitochondrial maintenance, as well as lifespan.
Inhibition of Aβ42 oligomerization in yeast by a PICALM ortholog and certain FDA approved drugs
Park et al.The formation of small Aβ42 oligomers has been implicated as a toxic species in Alzheimer disease (AD). Here, we show that the mechanism of the PICALM, human AD risk factor, is likely to reduce the level of Aβ42 oligomers in cells. We screened FDA-approved drugs to identify candidates that prevent the formation of Aβ42 small oligomers using the yeast Aβ42-RF reporter system. We also showed that each of the drug hits counteract yeast and mammalian cell toxicity associated with Aβ42 small aggregates.
Global translational impacts of the loss of the tRNA modification t6A in yeast
Patrick C. ThiavilleThe universal tRNA modification t6A is found at position 37 of nearly all tRNAs decoding ANN codons. Analysis of codon occupancy rates suggests that one of the major roles of t6A is to homogenize the process of elongation by slowing the elongation rate at codons decoded by high abundance tRNAs and I34:C3 pairs while increasing the elongation rate of rare tRNAs and G34:U3 pairs. This work reveals that the consequences of t6A absence are complex and multilayered and has set the stage to elucidate the molecular basis of the observed phenotypes.
Ergosterone-coupled Triazol molecules trigger mitochondrial dysfunction, oxidative stress, and acidocalcisomal Ca2+ release in Leishmania mexicana promastigotes
Figarella K et al.The protozoan parasite Leishmania causes a variety of sicknesses with different clinical manifestations known as leishmaniasis. Investigations looking for new targets or new active molecules focus mainly on the disruption of parasite specific pathways. In this sense, ergosterol biosynthesis is one of the most attractive because it does not occur in mammals. Our results indicate that ergosterone-triazol coupled molecules induce a regulated cell death process in the parasite and may represent starting point molecules in the search of new chemotherapeutic agents to combat leishmaniasis.
INO1 transcriptional memory leads to DNA zip code-dependent interchromosomal clustering
Donna Garvey Brickner et al.Many genes localize at the nuclear periphery through physical interaction with the nuclear pore complex (NPC). We have found that the yeast INO1 gene is targeted to the NPC both upon activation and for several generations after repression, a phenomenon called epigenetic transcriptional memory. Targeting of INO1 to the NPC requires distinct cis-acting promoter DNA zip codes under activating conditions and under memory conditions. When at the nuclear periphery, active INO1 clusters with itself and with other genes that share the GRS I zip code. Here, we show that during memory, the two alleles of INO1 cluster in diploids and endogenous INO1 clusters with an ectopic INO1 in haploids. After repression, INO1 does not cluster with GRS I – containing genes. Furthermore, clustering during memory requires Nup100 and two sets of DNA zip codes…
A central role for TOR signalling in a yeast model for juvenile CLN3 disease
Michael E. Bond et al.Yeasts provide an excellent genetically tractable eukaryotic system for investigating the function of genes in their biological context, and are especially relevant for those conserved genes that cause disease. Bond et al. study the role of btn1, the orthologue of a human gene that underlies an early onset neurodegenerative disease (juvenile CLN3 disease, neuronal ceroid lipofuscinosis (NCLs) or Batten disease) in the fission yeast Schizosaccharomyces pombe.
DNA polymerase III protein, HolC, helps resolve replication/transcription conflicts
LovettThis article comments on work published by Cooper et al. (mBio, 2021), which isolated and identified spontaneous suppressor mutants in a strain devoid of the holC gene, which encodes an accessory protein to the core clamp loader complex and is the only protein of the DNA polymerase III holoenzyme that binds to single-strand DNA binding protein.
Too much of a good thing: Overproduction of virulence factors impairs cryptococcal pathogenicity
Reuwsaat et al.This article comments on work published by Reuwsaat et al. (mBio, 2021), which identified the transcription factor Pdr802 as essential for Cryptococcus neoformans adaptation to and survival under host conditions both in vitro and in vivo.
Mechanisms underlying lactic acid tolerance and its influence on lactic acid production in Saccharomyces cerevisiae
Peetermans et al.This article reviews the manner in which Saccharomyces cerevisiae deals with the accumulation of lactic acid as a singular stress factor as well as in combination with other stresses. In addition, different methods to improve lactic acid tolerance in S. cerevisiae using targeted and non-targeted engineering methods are discussed.
When the pandemic opts for the lockdown: Secretion system evolution in the cholera bacterium
Santoriello and PukatzkiThis article comments on work published by Santoriello et al. (Nat Comm, 2020), which demonstrates that the T6SS island Auxiliary Cluster 3 (Aux3) is unique to pandemic strains of V. cholerae.
Biofilms by bacterial human pathogens: Clinical relevance – development, composition and regulation – therapeutical strategies
Schulze et al.This review focuses on bacterial biofilms formed by human pathogens, highlights their relevance for diverse diseases and discusses therapeutical intervention strategies targeting biofilms.
Maintaining phagosome integrity during fungal infection: do or die?
Yang et al.This article refers to the paper “Lysosome Fusion Maintains Phagosome Integrity during Fungal Infection” by Westman et al. (Cell Host Microbe, 2020), which shows that macrophages respond to pathogen growth by expanding the phagosome membrane through a calcium-dependent mechanism involving lysosome insertion, maintaining membrane integrity and preventing rupture.
Milestones in Bacillus subtilis sporulation research
Riley et al.In this review, the foundational discoveries that shaped the sporulation field are discussed, from its origins to the present day, tracing a chronology that spans more than one hundred eighty years.
A novel antibacterial strategy: histone and antimicrobial peptide synergy
Duong et al.This article refers to the study “Mammalian histones facilitate antimicrobial synergy by disrupting the bacterial proton gradient and chromosome organization” by Doolin et al. (Nat Comm, 2020) that shows that histones enhance the antimicrobial activity of peptides, disrupt bacterial membranes, and inhibit transcription, offering new insights into natural antimicrobial mechanisms.
The emerging role of complex modifications of tRNALysUUU in signaling pathways
Patrick C. Thiaville and Valérie de Crécy-LagardThis comment discusses the article “Loss of wobble uridine modification in tRNA anticodons interferes with TOR pathway signaling” by Scheidt et al (Microbial Cell, 2014).
Only functional localization is faithful localization
Roland LillThis article comments on work published by Peleh et al. (Microbial Cell 2014), which analyzes the localization of Dre2 in Saccharomyces cerevisiae.
One cell, one love: a journal for microbial research
Didac Carmona-Gutierrez et al.In this inaugural article of Microbial Cell, we highlight the importance of microbial research in general and the journal’s intention to serve as a publishing forum that supports and enfolds the scientific diversity in this area as it provides a unique, high-quality and universally accessible source of information and inspiration.
What’s the role of autophagy in trypanosomes?
Katherine Figarella and Néstor L. UzcáteguiThis article comments on Proto et al. (Microbial Cell, 2014), who report first insights into the molecular mechanism of autophagy in African trypanosomes by generating reporter bloodstream form cell lines.
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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.
Metabolic pathways further increase the complexity of cell size control in budding yeast
Jorrit M. EnserinkThis article comments on work published by Soma et al. (Microbial Cell, 2014), which teased apart the effect of metabolism and growth rate on setting of critical cell size in Saccharomyces cerevisiae.