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Revista Argentina de Microbiología / Argentinean Journal of Microbiology
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Inicio Revista Argentina de Microbiología / Argentinean Journal of Microbiology Ahead of print
Journal Information

Ahead of print

Ahead of print are accepted, peer reviewed articles that are not yet assigned to volumes/issues, but are citable using DOI. More info

Phenotypic and genomic surveillance of invasive Neisseria meningitidis isolates in Argentina (2015–2022): Clonal structure and vaccine implications
Adriana Efron, Luciana Moreira, Federico Lorenzo, Denise De Belder, María Moscoloni, Alejandra Corso, Mauricio Santos, Tomás Poklepovich, ... María Sol Haim
10.1016/j.ram.2025.04.005
Highlights

  • MenB was predominant in Argentina during 2015–2022, followed by MenW.

  • ST-865 cc was prevalent among MenB isolates unlike invasive MenB in the world.

  • The clonal complexes belonged to MenB in Argentina was stable over the years.

  • Despite limitations WGS is a cost-effective method for analyzing vaccine antigens.

  • All MenW isolates belonged to the hypervirulent clonal complex ST-11.

Full text access
Available online 11 July 2025
Genetic resistance to infectious diseases: A complementary tool to antimicrobial drugs in livestock?
Carlos A. Rossetti, Ursula A. Rossi
10.1016/j.ram.2025.06.001
Full text access
Available online 8 July 2025
Analysis of Escherichia coli isolated from minced meat: Implications for public health in Tierra del Fuego, Argentina
Elisa Crespi, Bárbara Ghiglione, Ximena Blanco Crivelli, Cecilia Cundon, Roque Figueroa Espinosa, Pedro Penzotti, Ezequiel Nuske, Alicia Broglio, ... Adriana Bentancor
10.1016/j.ram.2025.05.001
Highlights

  • E. coli contamination spreads easily in ground meat, risking public health.

  • Twenty four percent of isolates resist gentamicin, threatening treatment options.

  • Eight isolates show co-occurrence of two aminoglycoside resistance genes.

  • EAEC pathogenic potential discovered in eleven meat sample isolates.

  • Food handlers can spread antimicrobial-resistant E. coli unknowingly.

Full text access
Available online 20 June 2025
Wheat straw amendment to an oily sludge pretreated with ammonium persulfate and its impact on the indigenous mycobiota
Natalia Andrea Di Clemente, Marina Peluffo, Ana Carolina Agnello, Deborah Colman, Norma Buceta, María Teresa Del Panno, Mario Carlos Nazareno Saparrat
10.1016/j.ram.2025.05.002
Highlights

  • Ammonium persulfate removed total petroleum hydrocarbons from an oily sludge.

  • Wheat straw amendment allowed colonization and competition of resilient mycobiota.

  • Biostimulation facilitated changes of mycobiota and an additional pollutant removal.

Full text access
Available online 19 June 2025
Risk factors associated with neonatal sepsis due to Serratia marcescens in a public hospital in Mexico: A case–control study
Juan Carlos Lona-Reyes, Lucia Miramontes-Buiza, Luis Fernando Frías-Flores, Jose Angel Regla-Nava, Jesús González-Carmona, Juan Antonio Gallegos-Marín, Mariana Chávez-Rodríguez
10.1016/j.ram.2025.04.006
Highlights

  • 88.6% of neonatal sepsis events due to S. marcescens were late-onset sepsis.

  • 41.4% showed persistently positive cultures 48h after treatment.

  • In newborns with neonatal sepsis due to S. marcescens, 14.3% presented meningitis.

Full text access
Available online 12 June 2025
Microbial diversity investigation using 16S metagenomics in Tunisian patients with systemic lupus erythematosus
Amira Messadi, Sameh Sayhi, Kais Ghedira, Chadia Zaouaoui, Bilel Arfaoui, Soumaya Khouikhi, Maha Rebai, Nour El Houda Guediche, ... Ajili Faida
10.1016/j.ram.2025.04.002
Highlights

  • Systemic lupus erythematosus (SLE) is an autoimmune disease.

  • It is characterized by the immune system deregulation damaging multiple organs.

  • The etiology of SLE is still unclear.

  • We aim to identify gut bacteria profile in Tunisian SLE subjects.

  • We found a dysbiosis in SLE patients and a correlation with clinical parameters.

Full text access
Available online 4 June 2025
Effect of probiotic bacteria, phycocyanin and tarragon essential oil on the physiochemical, microbiological, and sensory properties of a mouth freshener tablet
Fatemeh Habibi, Bahareh Nowruzi, Maryam Ghane
10.1016/j.ram.2025.04.004
Highlights

  • Importance of cyanobacterial pigment and probiotics in formulation of mouth freshener tablet.

  • The addition of phycocyanin and tarragon essential oil significantly increased the antioxidant activity of samples.

  • The mouth freshener tablets can be a suitable agent for oral disinfection and maintaining public health.

Full text access
Available online 29 May 2025
Mosquito-borne pathogens … Now Rickettsias?
Silvina Goenaga, Estefania Raquel Boaglio, Lucia Victoria Martinez, Juliana Patricia Sanchez
10.1016/j.ram.2025.03.002
Highlights

  • First detection of a new Rickettsia species related to Rickettsia felis and Rickettsia tillamookensis.

  • First detection of Rickettsia in mosquitoes in Argentina.

  • Importance of surveillance of several pathogens in mosquito populations.

Full text access
Available online 27 May 2025
Composition in phyla from breast milk: Effect of the mode of delivery
Shiva Aslani, Seyedeh Neda Mousavi, Atefeh Kazemi Robati, Siamak Heidarzadeh, Somaye Abdollahi Sabet
10.1016/j.ram.2025.04.001
Highlights

  • Proteobacteria, an opportunistic or deleterious phylum, was increased in mothers with cesarean section.

  • The Firmicutes to Bacteroidetes ratio was increased in mothers with cesarean section.

  • Actinobacteria was incremented in mothers with vaginal delivery and was influenced by the infant sex.

Full text access
Available online 23 May 2025
Toxicity assessment of Bacillus thuringiensis strains for the control of the lesser mealworm beetle Alphitobius diaperinus (Coleoptera: Tenebrionidae)
Melisa P. Pérez, Graciela B. Benintende, Diego H. Sauka
10.1016/j.ram.2025.03.003
Highlights

  • Alphitobius diaperinus challenges poultry finances and operations worldwide.

  • Alphitobius diaperinus threatens poultry and human health, challenging biosecurity.

  • Bacillus thuringiensis emerges as a safer, targeted alternative for pest control.

  • INTA Mo4-4 showed the highest toxicity, laying the foundation for a bioinsecticide.

  • Research on INTA Mo4-4, its mode of action, and field trials needs further study.

Full text access
Available online 23 May 2025
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