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.
Microwave-assisted preparation of yeast cells for ultrastructural analysis by electron microscopy
Moritz Mayera, Christina Schuga, Stefan Geimer, Till Klecker and Benedikt Westermann
Budding yeast Saccharomyces cerevisiae is widely used as a model organism to study the biogenesis and architecture of organellar membranes, which can be visualized by transmission electron microscopy (TEM).
A complex remodeling of cellular homeostasis distinguishes RSV/SARS-CoV-2 co-infected A549-hACE2 expressing cell lines
Claudia Vanetti1, Irma Saulle1,2, Valentina Artusa1,2, Claudia Moscheni1, Gioia Cappelletti1, Silvia Zecchini1, Sergio Strizzi1, Micaela Garziano1,2, Claudio Fenizia1,2, Antonella Tosoni1, Martina Broggiato1, Pasquale Ogno1, Manuela Nebuloni1, Mario Clerici2,3, Daria Trabattoni1, Fiona Limanaqi1 and Mara Biasin1
Given the common tropism of SARS-CoV-2 and RSV, and the unclear consequences of their mutual influence, we developed an in vitro lung epithelial cell model to study the molecular mechanisms and cellular pathways modulated in viral co-infection.
RidA proteins contribute to fitness of S. enterica and E. coli by reducing 2AA stress and moderating flux to isoleucine biosynthesis
Ronnie L. Fulton, Bryce R. Sawyer and Diana M Downs
This study solidifies the established role of RidA in removing 2AA, while also presenting evidence for a role of RidA in enhancing flux towards isoleucine biosynthesis in E. coli. Overall, these data emphasize that metabolic networks can generate distinct responses to perturbation, even when the individual components are conserved.
Fecal gelatinase does not predict mortality in patients with alcohol-associated hepatitis
Yongqiang Yang1,a, Philipp Hartmann2,3,a and Bernd Schnabl1,4
This study aimed to investigate the significance of fecal gelatinase on clinical outcomes in patients with alcohol-associated hepatitis. In conclusion, in our cohort, fecal gelatinase does not predict mortality and does not indicate higher disease severity in patients with alcohol-associated hepatitis.
Direct detection of stringent alarmones (pp)pGpp using malachite green
Muriel Schicketanz1, Magdalena Petrová2, Dominik Rejman2, Margherita Sosio3, Stefano Donadio3 and Yong Everett Zhang1
In this study, we demonstrate the surprising discovery of a commercially available, low-cost malachite green (MG) detection kit, originally designed for orthophosphate (Pi) detection, for detecting (p)ppGpp and its analogues, especially pGpp
Promoter methylation and increased expression of PD-L1 in patients with active tuberculosis
Yen-Han Tseng1,2, Sheng-Wei Pan1,2,3, Jhong-Ru Huang2,4, Chang-Ching Lee1, Jung-Jyh Hung2,5, Po-Kuei Hsu2,5, Nien-Jung Chen6, Wei-Juin Su2,7, Yuh-Min Chen1,2 and Jia-Yih Feng1,2,8
The PD-1/PD-L1 pathway plays a pivotal role in T cell activity and is involved in the pathophysiology of tuberculosis. Here we show that PD-L1 expression is increased in patients with active tuberculosis and is correlated with treatment outcomes.
Quantification methods of Candida albicans are independent irrespective of fungal morphology
Amanda B Soares1, Maria C de Albuquerque1, Leticia M Rosa1, Marlise I Klein 2, Ana C Paravina1, Paula A Barbugli1, Livia N Dovigo3 and Ewerton G de O Mima1
Our study demonstrated that the quantification methods of C. albicans (cells/mL, CFU/mL, and vPCR) did not agree, regardless of the fungal morphology/growth, even though a significant and strong correlation is observed.
Pathogenic Escherichia coli change the adhesion between neutrophils and endotheliocytes in the experimental bacteremia model
Svetlana N Pleskova1,2,*, Nikolay A Bezrukov1, Sergey Z Bobyk1, Ekaterina N Gorshkova1 and Dimitri V Novikov3
In this work, we have demonstrated that in the model of experimental septicemia there is a disruption of adhesion contacts between neutrophils and endothelial cells, manifested by a decrease in adhesion force and work upon exposure to E. coli.
Arsenite treatment induces Hsp90 aggregates distinct from conventional stress granules in fission yeast
Naofumi Tomimotoa, Teruaki Takasakia and Reiko Sugiura
Given the conserved role of Hsp90 as a molecular chaperone protein, our findings presented in this study may suggest a novel type of arsenite-induced biological condensates, wherein Hsp90 plays a key role in maintaining its integrity.
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.
Means of intracellular communication: touching, kissing, fusing
Anne Spang1
This work highlights different aspects of communication between organelles, including the importance of organellar contact sites.
Neuropathogenesis caused by Trypanosoma brucei, still an enigma to be unveiled
Katherine Figarella1
This Editorial addresses the meningo-encephalitic stage of Trypanosoma brucei infection and the resultig neuropathogenesis as well as the impact that the application of tools developed in the last years in the field of neuroscience will have on the study of neglected tropical diseases.
Lichens – growing greenhouses en miniature
Martin Grube1
This commentary article provides an overview on different aspects of lichen biology and the remarkable symbiotic association between fungi and algae.
Regulation of the mitochondrial permeability transition pore and its effects on aging
Damiano Pellegrino-Coppola1
Aging is linked to mitochondrial function, with the mitochondrial permeability transition pore (mPTP) playing a key role. Yeast is a useful model for studying how mPTP affects cell survival, aging, and related diseases.
Fungal infections in humans: the silent crisis
Katharina Kainz1, Maria A. Bauer1, Frank Madeo1-3 and Didac Carmona-Gutierrez1
This article highlights the growing global threat of fungal infections – exacerbated by rising drug resistance and medical practices – and emphasizes the urgent need for intensified research to develop more effective antifungal strategies.
Digesting the crisis: autophagy and coronaviruses
Didac Carmona-Gutierrez1, Maria A. Bauer1, Andreas Zimmermann1,2, Katharina Kainz1,
Sebastian J. Hofer1, Guido Kroemer3-7 and Frank Madeo1,2,8
This article reviews the multifaceted role of autophagy in antiviral defense and highlights how coronaviruses, including SARS-CoV-2, interact with this pathway, raising the possibility that targeting autophagy could offer novel therapeutic strategies against COVID-19.
Microbial Cell
is an open-access, peer-reviewed journal that publishes exceptionally relevant research works that implement the use of unicellular organisms (and multicellular microorganisms) to understand cellular responses to internal and external stimuli and/or human diseases.
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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.
The long and winding road of reverse genetics in Trypanosoma cruzi
Miguel A. Chiurillo1 and Noelia Lander1
This Editorial provides a brief historic overview that highlights the strengths and weaknesses of the molecular strategies that have been developed to genetically modify Trypanosoma cruzi, emphasizing the future directions of the field.