Regulation of extracellular vesicles for protein secretion in Aspergillus nidulans
This study reveals that Aspergillus nidulans boosts extracellular vesicle production when ER-trafficked enzymes are induced, uncovering how fungi remodel their secretome through vesicle-mediated secretion to adapt to changing environments and biofilm formation.
Transcriptomic response to different heme sources in Trypanosoma cruzi epimastigotes
This study uncovers how the Chagas disease parasite adapts to changes in heme, an essential molecule for its survival, providing transcriptional clues to heme metabolism and identifying a previously unreported heme-binding protein in T. cruzi.
Luminal acetylation of microtubules is not essential for Plasmodium berghei and Toxoplasma gondii survival
Acetylation of α-tubulin at lysine 40 is not essential for cytoskeletal stability in Plasmodium berghei or Toxoplasma gondii, suggesting redundancy and plasticity in microtubule regulation in these parasites.
The dual-site agonist for human M2 muscarinic receptors Iper-8-naphtalimide induces mitochondrial dysfunction in Saccharomyces cerevisiae
S. cerevisiae is a model to study human GPCRs. N-8-Iper, active against glioblastoma via M2 receptor, causes mitochondrial damage in yeast by binding Ste2, highlighting evolutionary conservation of GPCRs.
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.
Regulation of extracellular vesicles for protein secretion in Aspergillus nidulans
Rebekkah E. Pope1, Patrick Ballmann2, Lisa Whitworth3 and Rolf A. Prade1,*
This study reveals that Aspergillus nidulans boosts extracellular vesicle production when ER-trafficked enzymes are induced, uncovering how fungi remodel their secretome through vesicle-mediated secretion to adapt to changing environments and biofilm formation.
Transcriptomic response to different heme sources in Trypanosoma cruzi epimastigotes
Evelyn Tevere1,a, María G. Mediavilla1,a, Cecilia B. Di Capua1, Marcelo L. Merli1, Carlos Robello2,3, Luisa Berná2,4 and Julia A. Cricco
This study uncovers how the Chagas disease parasite adapts to changes in heme, an essential molecule for its survival, providing transcriptional clues to heme metabolism and identifying a previously unreported heme-binding protein in T. cruzi.
Sir2 regulates selective autophagy in stationary-phase yeast cells
Ji-In Ryua, Juhye Junga, and Jeong-Yoon Kim
This study establishes Sir2 as a previously unrecognized regulator of selective autophagy during the stationary phase and highlight how cells dynamically control organelle degradation.
Fat storage-inducing transmembrane (FIT or FITM) proteins are related to lipid phosphatase/phosphotransferase enzymes
Matthew J Hayes1, Vineet Choudhary2, Namrata Ojha2, John JH Shin3, Gil-Soo Han4, George M. Carman4, Christopher JR Loewen3, William A Prinz2 and Timothy P Levine1
Fat storage-inducing transmembrane (FIT or FITM) proteins have been implicated in the partitioning of triacylglycerol to lipid droplets and the budding of lipid droplets from the ER. Saccharomyces cerevisiae has two FITM homologues and the presented results suggest that Scs3p and Yft2p as well as FITMs in general are lipid phosphatase/phosphotransferase (LPT) enzymes involved in an as yet unknown critical step in phospholipid metabolism.
Yeast quiescence exit swiftness is influenced by cell volume and chronological age
Damien Laporte1, Laure Jimenez1, Laëtitia Gouleme1, Isabelle Sagot1
Quiescence exit swiftness is crucial not only for micro-organisms in competition for an environmental niche, such as yeast, but also for the maintenance of tissue homeostasis in multicellular species. Here, Laporte et al. explore the effect of replicative and chronological age on Saccharomyces cerevisiae quiescence exit efficiency. Overall, their data illustrate that the quiescent state is a continuum evolving with time, early and deep quiescence being distinguishable by the cell’s proficiency to re-enter the proliferation cycle.
A versatile plasmid system for reconstitution and analysis of mammalian ubiquitination cascades in yeast
Rossella Avagliano Trezza1,#, Janny van den Burg1, Nico van den Oever1 and Ben Distel1,2
In this article Avagliano Trezza et al. describe a versatile vector system that allows the reconstitution of specific ubiquitination cascades in the model eukaryote Saccharomyces cerevisae (baker’s yeast) that provides a versatile tool to study complex post-translational modifications in a cellular setting.
Alcohols enhance the rate of acetic acid diffusion in S. cerevisiae : biophysical mechanisms and implications for acetic acid tolerance
Lina Lindahl1, Samuel Genheden2, Fábio Faria-Oliveira1, Stefan Allard3, Leif A. Eriksson2, Lisbeth Olsson1, Maurizio Bettiga1,4
Microbial cell factories with the ability to maintain high productivity in the presence of weak organic acids, such as acetic acid, are required in many industrial processes. This study demonstrates that the rate of acetic acid diffusion can be strongly affected by compounds that partition into the cell membrane, and highlights the need for considering interaction effects between compounds in the design of microbial processes.
A genome-wide screen for FTY720-sensitive mutants reveals genes required for ROS homeostasis
Kanako Hagihara1, Kanako Kinoshita1, Kouki Ishida1, Shihomi Hojo1, Yoshinori Kameoka1, Ryosuke Satoh1, Teruaki Takasaki1 and Reiko Sugiura1
Fingolimod hydrochloride (FTY720) is an immune modulator for multiple sclerosis that also induces cancer cell apoptosis through reactive oxygen species generation, with a new study using fission yeast uncovering a gene network related to ROS homeostasis as a possible mechanism of FTY720’s toxicity.
The cytosolic glyoxalases of Plasmodium falciparum are dispensable during asexual blood-stage development
Cletus A. Wezena1, Romy Alisch1, Alexandra Golzmann2, Linda Liedgens1, Verena Staudacher1,3, Gabriele Pradel2 and Marcel Deponte1,3
In this study the authors demonstrate that, PfGlo1 and PfcGlo2 are dispensable during asexual blood-stage development while the loss of PfcGlo2 may induce the formation of transmissible gametocytes. These combined data show that PfGlo1 and PfcGlo2 are most likely not suited as targets for selective drug development against the malaria parasite Plasmodium falciparum.
Aminoglycoside resistance profile and structural architecture of the aminoglycoside acetyltransferase AAC(6’)-Im
Clyde A. Smith1, Monolekha Bhattacharya2, Marta Toth2, Nichole K. Stewart2 and Sergei B. Vakulenko2
AAC(6′)-Im, a monofunctional acetyltransferase, imparts increased resistance to certain aminoglycosides compared to its bifunctional homolog AAC(6′)-Ie, with structural studies revealing differences in substrate binding that explain the discrepancies in their enzymatic activity and resistance profiles.
Septin clearance from the division site triggers cytokinesis in budding yeast
Davide Tamborrini1 and Simonetta Piatti1
This article comments on work published by Tamborrini et al (Nat Commun., 2019), which shows that septin displacement during splitting is an essential prerequisite for contractile actomyosin ring constriction during mitosis.
The influence of the microbiota on immune development, chronic inflammation, and cancer in the context of aging
Taylor N. Tibbs1,#, Lacey R. Lopez1,#, and Janelle C. Arthur1,2,3
This article shows that the microbiota is crucial for immune system development and that its relationship with the immune system during aging and the pathogenesis of age-related diseases, including cancer, needs further research to inform disease treatment and prevention.
Ser/Thr protein phosphatases in fungi: structure, regulation and function
Joaquín Ariño1, Diego Velázquez1 and Antonio Casamayor1
In this work we present the members of this family in S. cerevisiae and other fungal species, and review the most recent findings concerning their regulation and the roles they play in the most diverse aspects of cell biology.
Forty-five-year evolution of probiotic therapy
Scarlett Puebla-Barragan1,2 and Gregor Reid1,2
The field of probiotics has greatly expanded over the past 45 years, driven by the need for safer alternatives to drugs, interest in natural microbial products, and clinical proof of effectiveness, with scientific formulations increasingly defining the market and promising applications for various health areas expected in the future.
Role of pheromone recognition systems in creating new species of fission yeast
Taisuke Seike1 and Chikashi Shimoda2
This article comments on work published by Seike at al. (PloS Biol., 2019), which demonstrated an “asymmetric” pheromone recognition system in the fission yeast Schizosaccharomyces pombe.
Adaptive bacterial response to low level chlorhexidine exposure and its implications for hand hygiene
Günter Kampf1
This article shows that bacteria can adapt to low levels of Chlorhexidine digluconate (CHG), resulting in increased tolerance and cross-resistance to other antimicrobials, suggesting caution in the widespread use of CHG to minimize avoidable selection pressure for resistance.
Microevolution of the pathogenic yeasts Candida albicans and Candida glabrata during antifungal therapy and host infection
Pedro Pais1,2,#, Mónica Galocha1,2,#, Romeu Viana1,2, Mafalda Cavalheiro1,2, Diana Pereira1,2, Miguel Cacho Teixeira1,2
This review explores how Candida albicans and Candida glabrata, common fungal pathogens resistant to antifungal therapy, adapt and evolve within different environments, aiming to identify stable adaptive mechanisms as potential drug targets.
The extracellular matrix of mycobacterial biofilms: could we shorten the treatment of mycobacterial infections?
Poushali Chakraborty1 and Ashwani Kumar1, 2
The article discusses the challenges presented by biofilms formed by non-tuberculous mycobacteria (NTM) species, which can lead to persistent infections that are difficult to treat due to phenotypic drug tolerance. The role of various cell wall components in mycobacterial biofilm formation is outlined, with a particular focus on Mycobacterium tuberculosis.
Guidelines for DNA recombination and repair studies: Cellular assays of DNA repair pathways
Hannah L. Klein1, Giedrė Bačinskaja2, Jun Che3, Anais Cheblal4, Rajula Elango5, Anastasiya Epshtein1, Devon M. Fitzgerald6-9, Belén Gómez-González10, Sharik R. Khan11, Sandeep Kumar7, Bryan A. Leland12, Léa Marie13, Qian Mei14, Judith Miné-Hattab16,17, Alicja Piotrowska18, Erica J. Polleys19, Christopher D. Putnam20,21, Elina A. Radchenko19, Anissia Ait Saada22,23, Cynthia J. Sakofsky24, Eun Yong Shim3, Mathew Stracy25, Jun Xia6-9, Zhenxin Yan7, Yi Yin26, Andrés Aguilera10, Juan Lucas Argueso27, Catherine H. Freudenreich19,28, Susan M. Gasser4, Dmitry A. Gordenin24, James E. Haber29, Grzegorz Ira7, Sue Jinks-Robertson30, Megan C. King12, Richard D. Kolodner20, 31-33, Andrei Kuzminov11, Sarah AE Lambert22,23, Sang Eun Lee3, Kyle M. Miller6,15, Sergei M. Mirkin19, Thomas D. Petes26, Susan M. Rosenberg6-9,14, Rodney Rothstein34, Lorraine S. Symington13, Pawel Zawadzki18, Nayun Kim35, Michael Lisby2 and Anna Malkova5
DNA recombination, repair and mutagenesis assays are powerful tools but each comes with its particular advantages and limitations. Here the most commonly used assays are reviewed, discussed, and presented as the guidelines for future studies.
The emerging role of complex modifications of tRNALysUUU in signaling pathways
Patrick C. Thiaville1,2,3,4 and Valérie de Crécy-Lagard2,4
This 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 Lill1,2,3
This 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-Gutierrez1, Guido Kroemer2-6 and Frank Madeo1
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 Figarella1 and Néstor L. Uzcátegui1,2
This 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. Enserink
This 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.