Vol. 12, 2025

Luminal acetylation of microtubules is not essential for <i>Plasmodium berghei</i> and <i>Toxoplasma gondii</i> survival

Luminal acetylation of microtubules is not essential for Plasmodium berghei and Toxoplasma gondii survival

Thrishla Kumar1,a, Katharina Röver2,a, Johannes F. Stortz3,a, Annika M. Binder2,a, Benjamin Spreng2, Madlen Konert2, Markus Meissner1, Friedrich Frischknecht2,4 and Elena Jimenez-Ruiz1,*

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 <i>Saccharomyces cerevisiae</i>

The dual-site agonist for human M2 muscarinic receptors Iper-8-naphtalimide induces mitochondrial dysfunction in Saccharomyces cerevisiae

Angela Cirigliano1,a, Antonia Amelina2,a, Elena Passarini2, Alessandra Ricelli1, Nicole Balasco1, Mattia Mori3, Bruno Botta4, Maria Egle De Stefano2,5, Claudio Papotto6, Claudia Guerriero2, Ada Maria Tata2,5 and Teresa Rinaldi2,*

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.

The core genetic drivers of chronological aging in yeast are universal regulators of longevity

Erika Cruz-Bonilla1, Sergio E. Campos2, Soledad Funes3, Cei Abreu-Goodger4 and Alexander DeLuna1,2,*

This study provides an integrated view of the core genetic landscape underlying aging in yeast, highlighting the value of the chronological lifespan paradigm for investigating conserved mechanisms of aging.

Organelle activity organized by the endoplasmic reticulum-mitochondria encounter structure –ERMES– is essential for Podospora anserina development

Melisa Álvarez-Sánchez1, Matías Ramírez-Noguez1, Beatriz Aguirre-López1 and Leonardo Peraza-Reyes1

Eucaryotic cell functioning and development depend on the concerted activity of its organelles. In the model fungus Podospora anserina, sexual development involves a dynamic regulation of mitochondria, peroxisomes and the endoplasmic reticulum (ER), suggesting that their activity during this process is coordinated.

The molecular mechanisms and physiological roles of mitochondria dynamics in Saccharomyces cerevisiae

Chang-Lin Chen1,a, Wei-Ling Huang1, Alexander Rapoport2, Rimantas Daugelavičius3 and Chuang-Rung Chang1

This review explores the molecular mechanisms underlying mitochondria dynamics and their physiological roles in Saccharomyces cerevisiae. The knowledge we learned from the primary eukaryotic yeast cell will aid us in advancing future research on the regulatory mechanisms of mitochondria in both health and disease.

Alternative splicing drives a dynamic transcriptomic response during Acanthamoeba castellanii programmed cell death

Jesús Gómez-Montalvo1, Zisis Koutsogiannis2, Sutherland K. Maciver2 and Alvaro de Obeso Fernández del Valle1

Programmed cell death (PCD) in unicellular organisms is not well characterized. This study investigated the transcriptomic response of Acanthamoeba castellanii to G418-induced PCD, focusing on the role of alternative splicing (AS). RNA sequencing revealed extensive transcriptional changes, affecting approximately 70% of annotated genes over six hours of treatment.

Gut microbiota and ankylosing spondylitis: current insights and future challenges

Andrei Lobiuc1, Liliana Groppa2, Lia Chislari2, Eugeniu Russu2,3, Marinela Homitchi2,3, Camelia Ciorescu2,3, Sevag Hamamah4, I. Codruta Bran1 and Mihai Covasa1

This review explores the growing role of gut microbiota in AS and its potential to reshape targeted treatment strategies and facilitate development of adjunct therapies to address disease onset and progression.

Role of the putative sit1 gene in normal germination of spores and virulence of the Mucor lusitanicus

Bernadett Vágó1,2, Kitti Bauer1,2, Naomi Varghese1,2, Sándor Kiss-Vetráb1,2, Sándor Kocsubé1,2, Mónika Varga1,2, András Szekeres1,2, Csaba Vágvölgyi1,2, Tamás Papp1,2,3,# and Gábor Nagy1,2,3,#

Mucormycosis is a life-threatening infection caused by certain members of the fungal order Mucorales, with increased incidence in recent years. Individuals with untreated diabetes mellitus, and patients treated with deferoxamine are particularly susceptible to this infection.

Tumor microenvironment signatures enhances lung adenocarcinoma prognosis prediction: Implication of intratumoral microbiota

Fei Zhao1,#, Lei Wang2,3,4,#, Dongjie Du5, Heaven Zhao6,7, Geng Tian6,7, Yufeng Li2,3,8, Yankun Liu2,8,9, Zhiwu Wang2,3,10, Dasheng Liu11, Jingwu Li2,3,12, Lei Ji6,7 and Hong Zhao1

The interaction between intratumoral microbiome and the tumor microenvironment (TME) has furthered our understanding of tumor ecology. Yet, the implications of their interaction for lung cancer management remain unclear.

Next
Luminal acetylation of microtubules is not essential for <i>Plasmodium berghei</i> and <i>Toxoplasma gondii</i> survival

Luminal acetylation of microtubules is not essential for Plasmodium berghei and Toxoplasma gondii survival

Thrishla Kumar1,a, Katharina Röver2,a, Johannes F. Stortz3,a, Annika M. Binder2,a, Benjamin Spreng2, Madlen Konert2, Markus Meissner1, Friedrich Frischknecht2,4 and Elena Jimenez-Ruiz1,*

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 <i>Saccharomyces cerevisiae</i>

The dual-site agonist for human M2 muscarinic receptors Iper-8-naphtalimide induces mitochondrial dysfunction in Saccharomyces cerevisiae

Angela Cirigliano1,a, Antonia Amelina2,a, Elena Passarini2, Alessandra Ricelli1, Nicole Balasco1, Mattia Mori3, Bruno Botta4, Maria Egle De Stefano2,5, Claudio Papotto6, Claudia Guerriero2, Ada Maria Tata2,5 and Teresa Rinaldi2,*

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.

The core genetic drivers of chronological aging in yeast are universal regulators of longevity

Erika Cruz-Bonilla1, Sergio E. Campos2, Soledad Funes3, Cei Abreu-Goodger4 and Alexander DeLuna1,2,*

This study provides an integrated view of the core genetic landscape underlying aging in yeast, highlighting the value of the chronological lifespan paradigm for investigating conserved mechanisms of aging.

Organelle activity organized by the endoplasmic reticulum-mitochondria encounter structure –ERMES– is essential for Podospora anserina development

Melisa Álvarez-Sánchez1, Matías Ramírez-Noguez1, Beatriz Aguirre-López1 and Leonardo Peraza-Reyes1

Eucaryotic cell functioning and development depend on the concerted activity of its organelles. In the model fungus Podospora anserina, sexual development involves a dynamic regulation of mitochondria, peroxisomes and the endoplasmic reticulum (ER), suggesting that their activity during this process is coordinated.

The molecular mechanisms and physiological roles of mitochondria dynamics in Saccharomyces cerevisiae

Chang-Lin Chen1,a, Wei-Ling Huang1, Alexander Rapoport2, Rimantas Daugelavičius3 and Chuang-Rung Chang1

This review explores the molecular mechanisms underlying mitochondria dynamics and their physiological roles in Saccharomyces cerevisiae. The knowledge we learned from the primary eukaryotic yeast cell will aid us in advancing future research on the regulatory mechanisms of mitochondria in both health and disease.

Alternative splicing drives a dynamic transcriptomic response during Acanthamoeba castellanii programmed cell death

Jesús Gómez-Montalvo1, Zisis Koutsogiannis2, Sutherland K. Maciver2 and Alvaro de Obeso Fernández del Valle1

Programmed cell death (PCD) in unicellular organisms is not well characterized. This study investigated the transcriptomic response of Acanthamoeba castellanii to G418-induced PCD, focusing on the role of alternative splicing (AS). RNA sequencing revealed extensive transcriptional changes, affecting approximately 70% of annotated genes over six hours of treatment.

Next

Gut microbiota and ankylosing spondylitis: current insights and future challenges

Andrei Lobiuc1, Liliana Groppa2, Lia Chislari2, Eugeniu Russu2,3, Marinela Homitchi2,3, Camelia Ciorescu2,3, Sevag Hamamah4, I. Codruta Bran1 and Mihai Covasa1

This review explores the growing role of gut microbiota in AS and its potential to reshape targeted treatment strategies and facilitate development of adjunct therapies to address disease onset and progression.

Advancements in vaginal microbiota, <i>Trichomonas vaginalis</i>, and vaginal cell interactions: Insights from co-culture assays

Advancements in vaginal microbiota, Trichomonas vaginalis, and vaginal cell interactions: Insights from co-culture assays

Fernanda Gomes Cardoso and Tiana Tasca

This review updates co-culture and co-incubation techniques for studying interactions of Lactobacillus spp., representing a pre-dominant member of the healthy vaginal microbiota; Candida spp., the most abundant yeast in the vagina, and T. vaginalis, responsible for the most widespread nonviral STI worldwide.

Influence of cervicovaginal microbiota on <i>Chlamydia trachomatis</i> infection dynamics

Influence of cervicovaginal microbiota on Chlamydia trachomatis infection dynamics

Emily Hand1, Indriati Hood-Pishchany1,2, Toni Darville1,2 and Catherine M. O’Connell2

This review examines the complex interplay between the cervicovaginal microbiome, C. trachomatis infection, and host immune responses, highlighting the role of metabolites such as short-chain and long-chain fatty acids, indole, and iron in modulating pathogen survival and host defenses.

Unveiling the molecular architecture of the mitochondrial respiratory chain of <i>Acanthamoeba castellanii</i>

Unveiling the molecular architecture of the mitochondrial respiratory chain of Acanthamoeba castellanii

Christian Q. Scheckhuber1, Sutherland K. Maciver2 and Alvaro de Obeso Fernandez del Valle1

This review provides a comprehensive overview of the mitochondrial res-piratory chain in A. castellanii, focusing on the key alternative components involved in oxidative phosphorylation and their roles in energy metabolism, stress response, and adaptation to various conditions.

Paving the way for new antimicrobial peptides through molecular de-extinction

Paving the way for new antimicrobial peptides through molecular de-extinction

Karen O. Osiro1, Abel Gil-Ley2, Fabiano C. Fernandes1,3, Kamila B. S. de Oliveira2, Cesar de la Fuente-Nunez4-7, Octavio L. Franco1,2

The advancement of artificial intelligence and molecular de-extinction offers a valuable opportunity not only to discover new antimicrobials but also to provide accurate in silico predictions, thereby shortening the path to addressing the global antibiotic resistance crisis.

It takes four to tango: the cooperative adventure of scientific publishing

Didac Carmona-Gutierrez1,2, Katharina Kainz1 and Frank Madeo1-3

This Editorial is the 500th article published in Microbial Cell, a journey that started in 2014 and has seen the journal grow steadily and maintain itself as a respected community platform. The foundation that has allowed for and driven this development – as for any responsible journal – is composed of four essential pillars: the readers, the authors, the editors and the referees.

Knocking out histidine ammonia-lyase by using CRISPR-Cas9 abolishes histidine role in the bioenergetics and the life cycle of Trypanosoma cruzi

June 25, 2025

Recent studies have highlighted the importance of this pathway in ATP production, redox balance, and the maintenance of cellular homeostasis in T. cruzi. In this work, we focus on the first step of the histidine degradation pathway, which is performed by the enzyme histidine ammonia lyase. Here we determined the kinetic and biochemical parameters of the T. cruzi histidine ammonia-lyase.

Dissecting the cell cycle regulation, DNA damage sensitivity and lifespan effects of caffeine in fission yeast

June 24, 2025

Our findings show that caffeine accelerates mitotic division and is beneficial for CLS through AMPK. Direct pharmacological targeting of AMPK may serve towards healthspan and lifespan benefits beyond yeasts, given the highly conserved nature of this key regulatory cellular energy sensor.

Uga3 influences nitrogen metabolism in Saccharomyces cerevisiae by modulating arginine biosynthesis

June 12, 2025

Nitrogen metabolism in Saccharomyces cerevisiae is tightly regulated to optimize the utilization of available nitrogen sources. Uga3 is a known transcription factor involved in the gamma-aminobutyric acid (GABA) pathway; however, its broader role in nitrogen metabolism remains unclear.

An adenine model of inborn metabolism errors alters TDP-43 aggregation and reduces its toxicity in yeast revealing insights into protein misfolding diseases

May 22, 2025

This work offers new insights into the potential interactions between me-tabolite-based amyloids and pathological protein aggregates, with broad implications for understanding protein misfolding diseases.

Advancements in vaginal microbiota, Trichomonas vaginalis, and vaginal cell interactions: Insights from co-culture assays

May 15, 2025

This review updates co-culture and co-incubation techniques for studying interactions of Lactobacillus spp., representing a pre-dominant member of the healthy vaginal microbiota; Candida spp., the most abundant yeast in the vagina, and T. vaginalis, responsible for the most widespread nonviral STI worldwide.

Influence of cervicovaginal microbiota on Chlamydia trachomatis infection dynamics

April 15, 2025

This review examines the complex interplay between the cervicovaginal microbiome, C. trachomatis infection, and host immune responses, highlighting the role of metabolites such as short-chain and long-chain fatty acids, indole, and iron in modulating pathogen survival and host defenses.

Microbiota and metabolome dynamics induced by Shiga toxin-producing E. coli in an in vitro model of an infant’s colon

April 14, 2025

This study provides new evidence of the impact of EHEC in the microbiota and metabolome dynamics in an in vitro gut model that could be useful in understanding their physiopathology in this at-risk population, considering inter-individual variabilities in gut microbiota.

Unveiling the molecular architecture of the mitochondrial respiratory chain of Acanthamoeba castellanii

March 31, 2025

This review provides a comprehensive overview of the mitochondrial res-piratory chain in A. castellanii, focusing on the key alternative components involved in oxidative phosphorylation and their roles in energy metabolism, stress response, and adaptation to various conditions.

Ampicillin treatment in persister cell studies may cause non-physiological artifacts

March 20, 2025

This study shows at the example of L2 how insufficient purification of ampicillin persister cells can lead to the generation of non-physiological artifacts and provides a novel tool to improve the removal of residual cell debris.

Clostridium scindens promotes gallstone formation by inducing intrahepatic neutrophil extracellular traps through CXCL1 produced by colonic epithelial cells

March 19, 2025

Through in vivo and in vitro experiments, we validated the reliability of C. scindens stimulating colonic epithelial cells to produce TLR2, activating the NF-κB signaling pathway, promoting CXCL1 expres-sion, and inducing intrahepatic neutrophil NETosis, which may be associated with gallstone formation.