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.
Microbial competition between Escherichia coli and Candida albicans reveals a soluble fungicidal factor
Damien J. Cabral1, Swathi Penumutchu1, Colby Norris1,2, Jose Ruben Morones-Ramirez3,4 and Peter Belenky1
Localized and systemic fungal infections caused by Candida albicans can lead to significant mortality and morbidity. Here, Cabral et al. show that E. coli produces a soluble factor that kills C. albicans in a magnesium-dependent fashion such that depletion of available magnesium is essential for toxicity.
Spontaneous mutations in CYC8 and MIG1 suppress the short chronological lifespan of budding yeast lacking SNF1/AMPK
Nazif Maqani1,#, Ryan D. Fine1,#, Mehreen Shahid1, Mingguang Li1,2, Elisa Enriquez-Hesles1 and Jeffrey S. Smith1
Chronologically aging yeast cells are prone to adaptive regrowth, whereby mutants with a survival advantage spontaneously appear and re-enter the cell cycle in stationary phase cultures. Here, Magani et al. identified specific downstream SNF1 targets responsible for CLS extension during CR.
Production of poly-β-1,6-N-acetylglucosamine by MatAB is required for hyphal aggregation and hydrophilic surface adhesion by Streptomyces
Dino van Dissel1, Joost Willemse1, Boris Zacchetti1, Dennis Claessen1, Gerald B. Pier2, Gilles P. van Wezel1
In this article van Dissel et al. describe new insights to allow better control of liquid-culture morphology of streptomycetes, which may be harnessed to improve growth and industrial exploitation of these highly versatile natural product and enzyme producers.
Impact of F1Fo-ATP-synthase dimer assembly factors on mitochondrial function and organismic aging
Nadia G Rampello1, Maria Stenger2, Benedikt Westermann2, Heinz D Osiewacz1
In aerobic organisms, mitochondrial F1Fo-ATP-synthase is the major site of ATP production. Here, Rampello et al. report on the role of the two dimer assembly factors PaATPE and PaATPG of the aging model Podospora anserina validating a model that links mitochondrial membrane remodeling to aging and identify specific molecular components triggering this process.
Non-canonical regulation of glutathione and trehalose biosynthesis characterizes non-Saccharomyces wine yeasts with poor performance in active dry yeast production
Esther Gamero-Sandemetrio1, Lucía Payá-Tormo1, Rocío Gómez-Pastor1,3, Agustín Aranda1,2 and Emilia Matallana1,2
Several yeast species, belonging to Saccharomyces and non-Saccharomyces genera, play fundamental roles during spontaneous must grape fermentation, and recent studies have shown that mixed fermentations, co-inoculated with S. cerevisiae and non-Saccharomyces strains, can improve wine organoleptic properties. Here, Gamero-Sandemetrio et al. present findings that non-canonical regulation of glutathione and trehalose biosynthesis could cause poor fermentative performance after active dry yeast (ADY) production, as it corroborates the corrective effect of antioxidant treatments, during biomass propagation, with both pure chemicals and food-grade argan oil.
Molecular signature of the imprintosome complex at the mating-type locus in fission yeast
Célia Raimondi1, Bernd Jagla2, Caroline Proux3, Hervé Waxin4, Serge Gangloff1, Benoit Arcangioli1
Genetic and molecular studies have indicated that an epigenetic imprint at mat1, the sexual locus of fission yeast, initiates mating type switching. Here, Raimondi et al. characterized the recruitment of early players of mating type switching at the mat1 region and suggest a nucleoprotein protective structure defined as imprintosome.
A novel system to monitor mitochondrial translation in yeast
Tamara Suhm1, Lukas Habernig2, Magdalena Rzepka1, Jayasankar Mohanakrishnan Kaimal3, Claes Andréasson3, Sabrina Büttner2,3 and Martin Ott1
In this study Suhm et al. present a novel system to monitor mitochondrial translation by detection of mitochondrial GFP-translation through fluorescence microscopy and flow cytometry in functional mitochondria. This novel tool allows the investigation of the function and regulation of mitochondrial translation during stress signaling, aging and mitochondrial biogenesis.
Protein aggregation triggers a declining libido in elder yeasts that still have a lust for life
Fabrice Caudron
This 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
Isabelle C. Kos-Braun and Martin Koš
Microorganisms 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.
Placeholder factors in ribosome biogenesis: please, pave my way
Francisco J. Espinar-Marchena, Reyes Babiano1 and Jesús de la Cruz
In ribosome synthesis, “placeholder” factors are crucial trans-acting elements that regulate the timing and assembly of ribosomal proteins, ensuring speed and accuracy in this intricate process by preventing premature interactions and guiding the proper formation of functional ribosomal subunits.
Insights from the redefinition of Helicobacter pylori lipopolysaccharide O-antigen and core-oligosaccharide domains
Hong Li1,2, Tiandi Yang3, Tingting Liao2, Aleksandra W. Debowski2,4, Hans-Olof Nilsson2, Stuart M. Haslam3, Anne Dell3, Keith A. Stubbs4, Barry J. Marshall2 and Mohammed Benghezal2,5
This article comments on work published by Li et al. (PloS Pathog, 2017), focusing on Helicobacter pylori infections. They are mostly asymptomatic but can lead to serious conditions, and H. pylori lipopolysaccharide (LPS) is crucial for colonization and persistence, making the study of its structure and biosynthesis pathway vital for understanding pathogenesis and developing treatments.
Evading plant immunity: feedback control of the T3SS in Pseudomonas syringae
Christopher Waite1, Jörg Schumacher1, Milija Jovanovic1, Mark Bennett1 and Martin Buck1
This article comments on work published by Waite et al. (mBio, 2017), which indicates that a negative autogenous control mechanism, where the sigma factor HrpL represses its own expression, permits the plant pathogen Pseudomonas syringae to fine-tune its type III secretion system, potentially reducing the elicitation of plant immunity and enhancing its ability to cause disease.
Microbial flora, probiotics, Bacillus subtilis and the search for a long and healthy human longevity
Facundo Rodriguez Ayala, Carlos Bauman, Sebastián Cogliati, Cecilia Leñini, Marco Bartolini and Roberto Grau
This article comments on work published by Donato et al. (Nat Commun, 2017), which reveals that the probiotic Bacillus subtilis extends the lifespan of Caenorhabditis elegans via mechanisms including the formation of biofilms and the production of signaling molecules like NO and CSF, suggesting a potential pathway through insulin-like signaling that could impact human longevity and age-related diseases.
Chlamydia trachomatis’ struggle to keep its host alive
Barbara S. Sixt1-4, Raphael H. Valdivia5, Guido Kroemer1-4,6-7
This article comments on work published by Sixt et al. (Cell Host Microbe, 2016), which analyzed a CpoS-deficient mutant yielding unique insights into the nature of cell-autonomous defense responses against Chlamydia.
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.
Microbial Cell
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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.