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.
Time resolved DNA occupancy dynamics during the respiratory oscillation uncover a global reset point in the yeast growth program
Cornelia Amariei, Rainer Machné, Viktor Stolc, Tomoyoshi Soga, Masaru Tomita and Douglas B. Murray
Using multiple approaches, this work implies a nucleosome focusing event as a key step that resets transcription during the respiratory oscillation.
Cell wall dynamics modulate acetic acid-induced apoptotic cell death of Saccharomyces cerevisiae
António Rego#, Ana Marta Duarte#, Flávio Azevedo#, Maria João Sousa, Manuela Côrte-Real and Susana R. Chaves
This work characterizes the involvement of MAPK signaling pathways in cell death induced by acetic acid in Saccharomyces cerevisiae.
Extracellular calcium triggers unique transcriptional programs and modulates staurosporine-induced cell death in Neurospora crassa
A. Pedro Gonçalves1,2, João Monteiro2, Chiara Lucchi2, David J. Kowbel3, J. Miguel Cordeiro1,4, Paulo Correia-de-Sá1,4, Daniel J. Rigden5, N. Louise Glass3, Arnaldo Videira1,2
The results presented here reveal that in Neurospora crassa, extracellular Ca2+ modulates cell death and the transcriptional alterations induced by staurosporine, and lead to the identification of two novel putative Ca2+-binding proteins, encoded by the NCU08524 and NCU06607 genes.
Multiple metabolic requirements for size homeostasis and initiation of division in Saccharomyces cerevisiae
Shivatheja Soma, Kailu Yang, Maria I. Morales and Michael Polymenis
This article reveals an unexpected diversity in the G1 cell cycle phenotypes of metabolic and biosynthetic Saccharomyces cerevisiae mutants, suggesting that growth requirements for cell division are multiple, distinct and imposed throughout the G1 phase of the cell cycle.
Exogenous addition of histidine reduces copper availability in the yeast Saccharomyces cerevisiae
Daisuke Watanabe, Rie Kikushima, Miho Aitoku, Akira Nishimura, Iwao Ohtsu, Ryo Nasuno, and Hiroshi Takagi
The herein presented results indicate that in Saccharomyces cerevisiae, histidine cytotoxicity is associated with low copper availability inside cells, not with impaired copper uptake. Furthermore, it suggests that histidine cytotoxicity is involved in deficiency of mitochondrial copper.
Effect of paraquat-induced oxidative stress on gene expression and aging of the filamentous ascomycete Podospora anserina
Matthias Wiemer and Heinz D. Osiewacz
In this article, paraquat is used to experimentally induce strong cellular oxidative stress in Podospora anserina wild-type cultures of different age, finding that this treatment has profound effects on gene expression, growth and lifespan.
Heat shock protein 90 and calcineurin pathway inhibitors enhance the efficacy of triazoles against Scedosporium prolificans via induction of apoptosis
Fazal Shirazi and Dimitrios P. Kontoyiannis
This article reports for the first time that posaconazole (PCZ) or itraconazolein (ICZ) in combination with the calcineurin inhibitor tacrolimus or the Hsp90 inhibitor 17-demethoxy-17-(2-propenylamino) geldanamycin renders S. prolificans exquisitely sensitive to PCZ or ICZ via apoptosis.
At neutral pH the chronological lifespan of Hansenula polymorpha increases upon enhancing the carbon source concentrations
Adam Kawałek and Ida J. van der Klei
The data presented in this work indicate that in H. polymorpha at neutral pH the chronological lifespan invariably extends upon increasing the carbon source concentration.
Salt stress causes cell wall damage in yeast cells lacking mitochondrial DNA
Qiuqiang Gao1, Liang-Chun Liou2, Qun Ren2, Xiaoming Bao3 and Zhaojie Zhang2
In this work, the authors report that salt stress causes cell wall damage in yeast cells lacking mitochondrial DNA (ρ0) and that this damage is related to elevated levels of SCW11 and salt stress-induced reactive oxygen species.
From the Uncharacterized Protein Family 0016 to the GDT1 family: Molecular insights into a newly-characterized family of cation secondary transporters
Louise Thines1, Jiri Stribny1 and Pierre Morsomme1
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
Meirong Song1 and Kui Zhu1
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
Mehdi Kabani1
This 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.
Regulation of Cdc42 for polarized growth in budding yeast
Kristi E. Miller1,2, Pil Jung Kang1 and Hay-Oak Park1
This review highlights how studies in budding yeast have revealed a biphasic mechanism of Cdc42 activation that governs cell polarity establishment, with implications for understanding similar processes in mammalian cells and the role of Cdc42 in aging.
Yeast-based assays for the functional characterization of cancer-associated variants of human DNA repair genes
Tiziana Cervelli1, Samuele Lodovichi1, Francesca Bellè1 and Alvaro Galli1
This article highlights how the genetic tractability and conserved DNA repair pathways of yeast make it a powerful system for functionally characterizing human cancer-associated variants in DNA repair genes, aiding in risk assessment and therapeutic decision-making.
A novel c-di-GMP signal system regulates biofilm formation in Pseudomonas aeruginosa
Gukui Chen1 and Haihua Liang1
This article relates to the study “The SiaA/B/C/D signaling network regulates biofilm formation in Pseudomonas aeruginosa” by Chen et al. (EMBO J, 2020) that reveals a novel signaling network encoded by the siaABCD operon in Pseudomonas aeruginosa that regulates biofilm and aggregate formation by controlling the diguanylate cyclase activity of SiaD through phosphorylation-dependent interactions with SiaC, highlighting a potential antimicrobial target.
Regulation of anti-microbial autophagy by factors of the complement system
Christophe Viret1, Aurore Rozières1, Rémi Duclaux-Loras1, Gilles Boschetti1, Stéphane Nancey1 and
Mathias Faure1,2
This review explores emerging evidence that components of the complement system, beyond their traditional immune roles, modulate autophagy – particularly xenophagy – thereby influencing cell-autonomous antimicrobial responses during host-pathogen interactions.
More than flipping the lid: Cdc50 contributes to echinocandin resistance by regulating calcium homeostasis in Cryptococcus neoformans
Chengjun Cao1 and Chaoyang Xue1,2
In this article, the authors comment on the study “A mechanosensitive channel governs lipid flippase-mediated echinocandin resistance in Cryptococcus neoformans” by Cao et al. (mBio, 2019), which uncovers a dual role for the lipid flippase subunit Cdc50 in Cryptococcus neoformans, linking lipid translocation and calcium signaling via its interaction with the mechanosensitive channel Crm1, thereby contributing to innate resistance against the antifungal drug caspofungin.
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.