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.
Prokaryotic ancestry and gene fusion of a dual localized peroxiredoxin in malaria parasites
Carine F. Djuika1, Jaime Huerta-Cepas2, Jude M. Przyborski3, Sophia Deil1, Cecilia P. Sanchez1, Tobias Doerks2, Peer Bork2, Michael Lanzer1 and Marcel Deponte1
Horizontal gene transfer has emerged as a crucial driving force for the evolution of eukaryotes. This also includes Plasmodium falciparum and related economically and clinically relevant apicomplexan parasites, whose rather small genomes have been shaped not only by natural selection in different host populations but also by horizontal gene transfer following endosymbiosis. However, there is rather little reliable data on horizontal gene transfer between animal hosts or bacteria and apicomplexan parasites. Here we show that apicomplexan homologues of peroxiredoxin 5 (Prx5) have a prokaryotic ancestry and therefore represent a special subclass of Prx5 isoforms in eukaryotes. Using two different immunobiochemical approaches, we found that…
Two distinct and competitive pathways confer the cellcidal actions of artemisinins
Chen Sun#, Jian Li#, Yu Cao, Gongbo Long and Bing Zhou
The biological actions of artemisinin (ART), an antimalarial drug derived from Artemisia annua, remain poorly understood and controversial. This article concludes that ARTs are endowed with two major and distinct types of properties: a potent and specific mitochondria-dependent reaction and a more general and less specific heme-mediated reaction. The competitive nature of these two actions could be explained by their shared source of the consumable ARTs, so that inhibition of the heme-mediated degradation pathway would enable more ARTs to be available for the mitochondrial action. These properties of ARTs can be used to interpret the divergent antimalarial and anticancer actions of ARTs.
Loss of wobble uridine modification in tRNA anticodons interferes with TOR pathway signaling
Viktor Scheidt1,#, André Jüdes1,#, Christian Bär1,2,#, Roland Klassen1 and Raffael Schaffrath1
The herein presented data suggest that proper TOR signaling requires intact tRNA modifications and that loss of U34 modifications impinges on the TOR-sensitive NCR branch via Gln3 misregulation.
Measurement of apoptosis by SCAN©, a system for counting and analysis of fluorescently labelled nuclei
Neta Shlezinger1,#, Elad Eizner1,2,#, Stas Dubinchik2, Anna Minz-Dub1, Rachel Tetroashvili1, Adi Reider1, Amir Sharon1
This work reports on a system for analyses of apoptosis-like programmed cell death in fungal hyphae that is composed of several modules, which enable automatic quantification of nuclei with chromatin condensation and DNA strand break in large datasets according to nuclei-associated fluorescent markers.
Rewiring yeast acetate metabolism through MPC1 loss of function leads to mitochondrial damage and decreases chronological lifespan
Ivan Orlandi1,2, Damiano Pellegrino Coppola2 and Marina Vai1,2
This work shows that MPC1-deficient cells make up for their impairment in mitochondrial pyruvate with a metabolic rewiring which involves several intermediates of the mitochondrially localized TCA cycle and the cytosolic glyoxylate shunt but ultimately results in a pro-aging process.
Overexpression of the transcription factor Yap1 modifies intracellular redox conditions and enhances recombinant protein secretion
Marizela Delic1,2, Alexandra B. Graf2,3, Gunda Koellensperger1,4, Christina Haberhauer-Troyer1,4, Stephan Hann1,4, Diethard Mattanovich1,2, Brigitte Gasser1,2
This article investigates the role of Yap1 during the production of recombinant secretory proteins in glucose based growth conditions in Pichia pastoris, and reports a novel role of Yap1 during ER-resident oxidative protein folding.
Functional analysis of lipid metabolism genes in wine yeasts during alcoholic fermentation at low temperature
María López-Malo1,2, Estéfani García-Ríos1, Rosana Chiva1 and José Manuel Guillamon1
This study confirms the importance of specific genes in growth and fermentation activity of Saccharomyces cerevisiae at low temperature.
Angiotensin II type 1 receptor blockers increase tolerance of cells to copper and cisplatin
Pieter Spincemaille1,+, Gursimran Chandhok2,+, Andree Zibert2, Hartmut Schmidt2, Jef Verbeek3, Patrick Chaltin4,5, Bruno P.A. Cammue1,6,#, David Cassiman3, Karin Thevissen1,#
This study reports the identification of the drug class of Angiotensin II Type 1 receptor blockers (ARBs) and shows that specific ARBs increase yeast tolerance to Cu and Cp, and affect markers of Cu-induced apoptosis. Likewise, this study finds that specific ARBs increase human cell line tolerance to Cu and decrease the prevalence of apoptotic markers.
An extensive endoplasmic reticulum-localised glycoprotein family in trypanosomatids
Harriet Allison1, Amanda J. O’Reilly1, Jeremy Sternberg2 and Mark C. Field1
This work describes a novel family of type I membrane proteins (“invariant glycoproteins”) and proposes them as trypanosomatid-specific ER-localised glycoproteins, with potential contributions to life cycle progression and immunity, that utilise oligomerisation as an ER retention mechanism.
Cryptococcus flips its lid – membrane phospholipid asymmetry modulates antifungal drug resistance and virulence
Erika Shor1, Yina Wang1, David S. Perlin1,2, and Chaoyang Xue1,2
This article comments on work published by Huang et al. (MBio, 2016), which reported that in the pathogenic fungus Cryptococcus neoformans loss of lipid flippase activity sensitized cryptococcal cells to multiple classes of antifungal drugs and abolished fungal virulence in murine models.
A novel component of the mitochondrial genome segregation machinery in trypanosomes
Anneliese Hoffmann1,2, Martin Jakob1, and Torsten Ochsenreiter1
This article comments on work published by Trikin et al. (PLoS Pathog, 2016), which described a new component of the mitochondrial genome segregation machinery in the protozoan parasite Trypanosoma brucei.
Bacterial genotoxin functions as immune-modulator and promotes host survival
R. Guidi1, L. Del Bell Belluz2, T. Frisan2
This article comments on work published by Del Bel Belluz et al. (PLoS Pathog, 2016), which demonstrated that the typhoid toxin of Salmonella enterica serovar Typhi esembles an immune-modulatory molecule rather than a toxic agent.
Functions and regulation of the MRX complex at DNA double-strand breaks
Elisa Gobbini1, Corinne Cassani1, Matteo Villa1, Diego Bonetti2 and Maria Pia Longhese1
DNA double-strand breaks (DSBs) pose a serious threat to genome stability and cell survival. Cells possess mechanisms that recognize DSBs and promote their repair through either homologous recombination (HR) or non-homologous end joining (NHEJ). The present review focuses mainly on recent works in the budding yeast Saccharomyces cerevisiae to highlight structure and regulation of the evolutionary conserved Mre11-Rad50-Xrs2 (MRX) complex as well as its interplays with Tel1.
Inhibition of Zika virus by Wolbachia in Aedes aegypti
Eric Pearce Caragata, Heverton Leandro Carneiro Dutra and Luciano Andrade Moreira
This article comments on work published by Dutra et al. (Cell Host Microbe, 2016), which investigated the potential of Wolbachia infections in Aedes aegypti to restrict infection and transmission of Zika virus.
Syphilis: Re-emergence of an old foe
Lola V. Stamm
Syphilis is caused by infection with Treponema pallidum subsp. pallidum, a not-yet-cultivable spiral-shaped bacterium that is usually transmitted by sexual contact with an infected partner or by an infected pregnant woman to her fetus. This review provides insights into the etiology, epidemiology, clinical manifestation, diagnosis, treatment and prevention of syphilis.
Trichomoniasis – are we giving the deserved attention to the most common non-viral sexually transmitted disease worldwide?
Camila Braz Menezes, Amanda Piccoli Frasson, Tiana Tasca
Trichomonas vaginalis is the etiologic agent of trichomoniasis, the most common non-viral sexually transmitted disease (STD) in the world. This article contributes to claim the attention of public health policies to control this STD.
House of cellulose – a new hideout for drug tolerant Mycobacterium tuberculosis
Ashwani Kumar
This article comments on work published by Trivedi et al. (Nat Commun, 2016), which shows that Mycobacterium tuberculosis cells organise themselves into biofilms in response to intracellular thiol reductive stress.
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
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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.