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.
Metabolic disharmony and sibling conflict mediated by T6SS
Vera Troselj1 and Daniel Wall1
In this article, the authors comment on the study “Physiological Heterogeneity Triggers Sibling Conflict Mediated by the Type VI Secretion System in an Aggregative Multicellular Bacterium” by Troselj et al. (MBio, 2018) discussing that M. xanthus uses T6SS to eliminate less fit cells from their population and identified toxic effector and cognate immunity protein (TsxEI) that mediates this sibling antagonism.
Helicobacter hepaticus polysaccharide induces an anti-inflammatory response in intestinal macrophages
Camille Danne1 and Fiona Powrie1
In this article, the authors comment on the study “A Large Polysaccharide Produced by Helicobacter hepaticus Induces an Anti-inflammatory Gene Signature in Macrophages. ” by Danne et al, (Cell Host Microbe 2017), discussing the interactions between H. hepaticus and intestinal macrophages that promote mutualism.
Endolysosomal pathway activity protects cells from neurotoxic TDP-43
Christine Leibiger1,#, Jana Deisel1,#, Andreas Aufschnaiter2, Stefanie Ambros1, Maria Tereshchenko1, Bert M. Verheijen3,4, Sabrina Büttner2,5, and Ralf J. Braun1
In this article, the authors comment on the study “TDP-43 controls lysosomal pathways thereby determining its own clearance and cytotoxicity” by Leibiger et al. (Hum Mol Genet, 2018), proposing that ameliorating endolysosomal pathway activity enhances cell survival in TDP‑43-associated diseases.
Two distinct penicillin binding proteins promote cell division in different Salmonella lifestyles
Sónia Castanheira1, Juan J. Cestero1, Francisco García-del Portillo1, M. Graciela Pucciarelli1,2,3
In this article, the authors comment on the study “A Specialized Peptidoglycan Synthase Promotes Salmonella Cell Division inside Host Cells” by Castanheira et al. (mBio, 2017), discussing insights in two distinct penicillin binding proteins that promote cell division in different Salmonella lifestyles.
New perspectives from South-Y-East, not all about deathA report of the 12th lnternational Meeting on Yeast Apoptosis in Bari, Italy, May 14th-18th, 2017
Nicoletta Guaragnella1,#, Mariarita Stirpe2,#, William Burhans3, Manuela Côrte-Real4, Campbell Gourlay5, Paula Ludovico6,7, Frank Madeo8,9, Dina Petranovic10, Joris Winderickx11, Cristina Mazzoni2 and Sergio Giannattasio1
In this article Guaragnella et al. report on the 12th International Meeting on Yeast Apoptosis (IMYA12), which was held in Bari, Italy from May 14th to 18th, 2017, where more than 100 participants, among which senior and young scientists from Europe, USA, North Africa and Japan, had an intense and open exchange of achievements and ideas in the field of yeast regulated cell death (RCD).
pH homeostasis links the nutrient sensing PKA/TORC1/Sch9 ménage-à-trois to stress tolerance and longevity
Marie-Anne Deprez1,°, Elja Eskes1,°, Tobias Wilms1, Paula Ludovico2, Joris Winderickx1
In this article, Deprez et al. discuss accumulating evidence indicates that pH homeostasis plays a prominent role in the determination of ageing and longevity, thereby providing new perspectives and avenues to explore the underlying molecular mechanisms.
Guidelines and recommendations on yeast cell death nomenclature
Didac Carmona-Gutierrez1,‡,*, Maria Anna Bauer1,‡, Andreas Zimmermann1, Andrés Aguilera2, Nicanor Austriaco3, Kathryn Ayscough4, Rena Balzan5, Shoshana Bar-Nun6, Antonio Barrientos7,8, Peter Belenky9, Marc Blondel10, Ralf J. Braun11, Michael Breitenbach12, William C. Burhans13, Sabrina Büttner1,14, Duccio Cavalieri15, Michael Chang16, Katrina F. Cooper17, Manuela Côrte-Real18, Vítor Costa19–21, Christophe Cullin22, Ian Dawes23, Jörn Dengjel24, Martin B. Dickman25, Tobias Eisenberg1,26, Birthe Fahrenkrog27, Nicolas Fasel28, Kai-Uwe Fröhlich1, Ali Gargouri29, Sergio Giannattasio30, Paola Goffrini31, Campbell W. Gourlay32, Chris M. Grant33, Michael T. Greenwood34, Nicoletta Guaragnella30, Thomas Heger35, Jürgen Heinisch36, Eva Herker37, Johannes M. Herrmann38, Sebastian Hofer1, Antonio Jiménez-Ruiz39, Helmut Jungwirth1, Katharina Kainz1, Dimitrios P. Kontoyiannis40, Paula Ludovico41,42, Stéphen Manon43, Enzo Martegani44, Cristina Mazzoni45, Lynn A. Megeney46–48, Chris Meisinger49, Jens Nielsen50–52, Thomas Nyström53, Heinz D. Osiewacz54, Tiago F. Outeiro55–58, Hay-Oak Park59, Tobias Pendl1, Dina Petranovic50,51, Stephane Picot60,61, Peter Polčic62, Ted Powers63, Mark Ramsdale64, Mark Rinnerthaler65, Patrick Rockenfeller1,32, Christoph Ruckenstuhl1, Raffael Schaffrath66, Maria Segovia67, Fedor F. Severin68, Amir Sharon69, Stephan J. Sigrist70, Cornelia Sommer-Ruck1, Maria João Sousa18, Johan M. Thevelein71,72, Karin Thevissen73, Vladimir Titorenko74, Michel B. Toledano75, Mick Tuite32, F.-Nora Vögtle49, Benedikt Westermann11, Joris Winderickx76, Silke Wissing77, Stefan Wölfl78, Zhaojie J. Zhang79, Richard Y. Zhao80, Bing Zhou81, Lorenzo Galluzzi82–84,*, Guido Kroemer84–90,*, Frank Madeo1,26,*
In this review, we propose unified criteria for the definition of accidental, regulated, and programmed forms of cell death in yeast based on a series of morphological and biochemical criteria. Specifically, we provide consensus guidelines on the differential definition of terms including apoptosis, regulated necrosis, and autophagic cell death, as we refer to additional cell death routines that are relevant for the biology of yeast.
Burkholderia gladioli strain NGJ1 deploys a prophage tail-like protein for mycophagy
Rahul Kumar1, Sunil Kumar Yadav1, Durga Madhab Swain1 and Gopaljee Jha1
In this article, the authors comment on the study “A prophage tail-like protein is deployed by Burkholderia bacteria to feed on fungi” by Swain et al. (Nature Communications, 2017), discussing that a prophage tail-like protein (Bg_9562) is essential for mycophagy. The protein may help the bacteria to survive in certain ecological niches and, considering its broad-spectrum antifungal activity, may be potentially useful in biotechnological applications to control fungal diseases.
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.