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.
Stable and destabilized GFP reporters to monitor calcineurin activity in Saccharomyces cerevisiae
Jutta Diessl1, Arpita Nandy1, Christina Schug1, Lukas Habernig1 and Sabrina Büttner1,2
This study introduces GFP-based transcriptional reporters driven by a calcineurin-dependent response element, enabling real-time monitoring of calcineurin activity in live yeast cells for studying stress responses, aging, and antifungal drug screening.
The euchromatic histone mark H3K36me3 preserves heterochromatin through sequestration of an acetyltransferase complex in fission yeast
Paula R. Georgescu1, Matías Capella1, Sabine Fischer-Burkart1 and Sigurd Braun1
This study reveals that the loss of heterochromatin silencing in Set2-deficient cells is due to unrestrained Mst2C activity, highlighting the need for spatially restricted chromatin-modifying enzymes to maintain distinct chromatin states.
Depletion of SNAP-23 and Syntaxin 4 alters lipid droplet homeostasis during Chlamydia infection
Tiago Monteiro-Brás1,2,3, Jordan Wesolowski1 and Fabienne Paumet1
This study reveals that the plasma membrane SNARE proteins SNAP-23 and Syntaxin 4 are crucial for Chlamydia trachomatis development by regulating lipid droplet homeostasis and supporting the formation of infectious progeny within host cells.
Yeast can express and assemble bacterial secretins in the mitochondrial outer membrane
Janani Natarajan1, Anasuya Moitra1, Sussanne Zabel1,§, Nidhi Singh2, Samuel Wagner2,3 and Doron Rapaport1
Secretins, essential components of bacterial secretion systems, can be expressed in yeast and show differential dependencies on mitochondrial import and assembly factors for membrane integration, suggesting diverse pathways for their assembly into the bacterial outer membrane.
Metabolic reprogramming of Salmonella infected macrophages and its modulation by iron availability and the mTOR pathway
Julia Telser1,2,#, Chiara Volani1,3,#, Richard Hilbe1,2, Markus Seifert1,2, Natascha Brigo1, Giuseppe Paglia4 and Günter Weiss1,2
This article shows that iron plays a critical role in both the immune response and metabolic reprogramming of macrophages during infection, influencing the TCA cycle and mTOR pathway, with implications for the growth of intracellular bacteria like Salmonella.
Transcriptomic and chemogenomic analyses unveil the essential role of Com2-regulon in response and tolerance of Saccharomyces cerevisiae to stress induced by sulfur dioxide
Patrícia Lage1,2, Belém Sampaio-Marques3,4, Paula Ludovico3,4, Nuno P. Mira5 and Ana Mendes-Ferreira1,2
This article shows that in the presence of sulfur dioxide (SO2), the transcription factor Com2 plays a critical role in the tolerance and response of Saccharomyces cerevisiae, affecting the expression of a majority of SO2-activated genes and contributing to the protection against stress induced by SO2 at an enologically relevant pH.
Network dynamics of the yeast methyltransferome
Guri Giaever1, Elena Lissina1 and Corey Nislow1
This article presents a systematic genetic analysis of methyltransferases (MTases) under normal and stress conditions, uncovering the complex and adaptive nature of the methyltransferome and discovering a potential connection between phospholipid methylation and histone methylation, suggesting interplay between lipid homeostasis and epigenetic regulation.
Inhibiting eukaryotic ribosome biogenesis: Mining new tools for basic research and medical applications
Lisa Kofler1, Michael Prattes1 and Helmut Bergler1
This article comments on work published by Awad et al (BMC Biology, 2019), which screened for novel inhibitors of the ribosome biogenesis pathway in yeast.
Diverse conditions support near-zero growth in yeast: Implications for the study of cell lifespan
Jordan Gulli1, Emily Cook1, Eugene Kroll1, Adam Rosebrock2,3, Amy Caudy2 and Frank Rosenzweig1
This review discusses alternative cultivation methods for baker’s yeast to study its chronological lifespan, with the aim of better understanding the ageing of non-dividing cells and their potential implications for the lifespan of multicellular eukaryotes such as humans.
Evolution of the bacterial nucleosidase PpnN and its relation to the stringent response
René Lysdal Bærentsen1, Ditlev Egeskov Brodersen1 and Yong Everett Zhang2
This article comments on work published by Zhang et al (Mol Cell, 2019), which discovered an interesting mode of regulation of purine metabolism unique to Proteobacteria.
Integrins in disguise – mechanosensors in Saccharomyces cerevisiae as functional integrin analogues
Tarek Elhasi1 and Anders Blomberg1
This article shows that although yeast lack integrin-like proteins, they possess WSC- and MID-type mechanosensors that functionally resemble integrins in animal cells, playing a role in sensing external mechanical stimuli and activating the conserved PKC1-SLT1 cell wall integrity pathway, with potential implications for understanding mechanosensing in yeast biology.
Bacterial maze runners reveal hidden diversity in chemotactic performance
M. Mehdi Salek1,#, Francesco Carrara1,#, Vicente Fernandez1 and Roman Stocker1
This article comments on work published by Salek et al. (Nat Commun, 2019), which combined microfluidic experiments with mathematical modeling to demonstrate that even in clonal populations, bacteria are individuals with different abilities to climb chemical gradients.
Laundry and textile hygiene in healthcare and beyond
Dirk P. Bockmühl1, Jan Schages1 and Laura Rehberg1
This article shows that while institutional laundering is regulated to ensure hygiene, the trend towards energy-efficient washing at lower temperatures raises concerns about the antimicrobial efficacy of domestic laundering, with a focus on addressing microbial contamination in both clinical and home settings.
Bacterial pathogens under high-tension: Staphylococcus aureus adhesion to von Willebrand factor is activated by force
Felipe Viela1, Pietro Speziale2,3, Giampiero Pietrocola2 and Yves F. Dufrêne1,4
This article comments on work published by Viela et al (mBio, 2019), which shows that the bacterial cell surface protein A to the large plasma glycoprotein von Willebrand factor interaction is tightly regulated by mechanical force.
Yeast AP-1 like transcription factors (Yap) and stress response: a current overview
Claudina Rodrigues-Pousada1, Frédéric Devaux2, Soraia M. Caetano1, Catarina Pimentel1, Sofia da Silva1, Ana Carolina Cordeiro1 and Catarina Amaral1
This review summarizes current understanding of the eight Yap transcription factors in Saccharomyces cerevisiae, detailing their activation by specific stress conditions and discussing their function and evolution across various fungal species.
Non-genetic impact factors on chronological lifespan and stress resistance of baker’s yeast
Michael Sauer and Diethard Mattanovich
This article comments on work published by Bisschops et al. (Microbial Cell, 2015), which illustrates how important the choice of the experimental setup is and how culture conditions influcence cellular aging and survival in biotechnological processes.
What’s old is new again: yeast mutant screens in the era of pooled segregant analysis by genome sequencing
Chris Curtin and Toni Cordente
This article comments on work published by Den Abt et al. (Microbial Cell, 2016), which identified genes involved in ethyl acetate formation in a yeast mutant screen based on a new approach combining repeated rounds of chemical mutagenesis and pooled segregant analysis by whole genome sequencing.
The complexities of bacterial-fungal interactions in the mammalian gastrointestinal tract
Eduardo Lopez-Medina1 and Andrew Y. Koh2
This article comments on work published by Lopez-Medina et al. (PLoS Pathog, 2015) and Fan et al. (Nat Med, 2015), which utilize an “artificial” niche, the antibiotic-treated gut with concomitant pathogenic microbe expansion, to gain insight in bacterial-fungal interactions in clinically common scenarios.
Gearing up for survival – HSP-containing granules accumulate in quiescent cells and promote survival
Ruofan Yu and Weiwei Dang
This article comments on work published by Lee et al. (Microbial Cell, 2016), which reports that distinct granules are formed in quiescent and non-quiescent cells, which determines their respective cell fates.
Yeast screening platform identifies FDA-approved drugs that reduce Aβ oligomerization
Triana Amen1,2 and Daniel Kaganovich1
This article comments on work published by Park et al. (Microbial Cell, 2016), which discovered a number of small molecules capable of modulating Aβ aggregation in a yeast model.
Groupthink: chromosomal clustering during transcriptional memory
Kevin A. Morano
In this article, the authors comment on the study “NO1 transcriptional memory leads to DNA zip code-dependent interchromosomal clustering.” by Brickner et al. (Microbial Cell, 2015), discussing the importance and molecular mechanisms of chromosomal clustering during transcriptional memory.
Yeast proteinopathy models: a robust tool for deciphering the basis of neurodegeneration
Amit Shrestha1, 2 and Lynn A. Megeney1, 2, 3
Protein quality control or proteostasis is an essential determinant of basic cell health and aging. Eukaryotic cells have evolved a number of proteostatic mechanisms to ensure that proteins retain functional conformation, or are rapidly degraded when proteins misfold or self-aggregate. This article discusses the use of budding yeast as a robust proxy to study the intersection between proteostasis and neurodegenerative disease.
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.
Similar environments but diverse fates: Responses of budding yeast to nutrient deprivation.
Saul M. Honigberg
Diploid budding yeast (Saccharomyces cerevisiae) can adopt one of several alternative differentiation fates in response to nutrient limitation, and each of these fates provides distinct biological functions. When different strain backgrounds are taken into account, these various fates occur in response to similar environmental cues, are regulated by the same signal transduction pathways, and share many of the same master regulators. I propose that the relationships between fate choice, environmental cues and signaling pathways are not Boolean, but involve graded levels of signals, pathway activation and master-regulator activity.