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Microorganisms
Special Issues
Microbial Infections during Pregnancy: Second Edition
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Microbial Infections during Pregnancy: Second Edition

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Medical Microbiology".

Deadline for manuscript submissions: 15 April 2025 | Viewed by 2358

Special Issue Editors

Dr. Shubhada Bopegamage

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Guest Editor
Chair of the Institute of Microbiology, Faculty of Medicine, Slovak Medical University in, Limbova 14, 83303 Bratislava, Slovakia
Interests: virology; microbiology; diagnostics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Pavel Bostik

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Guest Editor
Chair of the Institute of Clinical Microbiology, Faculty of Medicine in Hradec Kralove, Faculty Hospital, Sokolska 581, 50005 Hradec Kralove, Czech Republic
Interests: virology; microbiology; diagnostics
Special Issues, Collections and Topics in MDPI journals
Dr. Igor Rusnak

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Guest Editor
Chair, The 1st Gynecology and Obstetrics Clinic, Faculty of Medicine of Slovak Medical University, Academician Ladislav Dérer University Hospital in Bratislava, Bratislava, Slovakia
Interests: risk pregnancies; gynecology; obstetrics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

This Special Issue is a continuation of our previous Special Issue, “Microbial Infections during Pregnancy” (https://www.mdpi.com/si/131856).

Microbial infections during pregnancy may go unnoticed or could be accompanied by mild or severe clinical manifestations in the mother, the fetus, or both. Infections may affect the course of pregnancy and fetal development directly or by creating an immune imbalance. Recognition of maternal infection is critical. Fetal anomalies, fetal loss, and other complications associated with infections can be triggered by different mechanisms, which need to be studied. Additionally, emerging, re-emerging, and common infections, which are left unmonitored due to their unnoticeable clinical symptoms, present a challenge. A compilation of systematic studies focused on infections during pregnancy and different aspects associated with infections that may affect the health of the mother and child is required.

This Special Issue of Microorganisms aims to address contributions to this complex field. We invite submissions related to microbial infections during pregnancy (viral, bacterial, chlamydial, fungal, and protozoal), their diagnosis, immunological aspects, and outcomes (which may be normal, may cause fetal anomalies, may be fatal to the mother or child, or may leave other health complications after birth). We invite publications from virologists, bacteriologists, pediatricians, gynecologists/obstetricians, immunologists, and others to share their research experiences and case studies to create multifactorial dialogues, knowledge, and improved understanding.

Dr. Shubhada Bopegamage
Prof. Dr. Pavel Bostik
Dr. Igor Rusnak
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microbes
  • infection outcome
  • pregnancy
  • fetus
  • diagnostics
  • TORCH

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Published Papers (3 papers)

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Research

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10 pages, 1907 KiB  
Article
Case Series of Listeria monocytogenes in Pregnancy: Maternal–Foetal Complications and Clinical Management in Six Cases
by Lucía Castaño Frías, Carmen Tudela-Littleton Peralta, Natalia Segura Oliva, María Suárez Arana, Celia Cuenca Marín and Jesús S. Jiménez López
Microorganisms 2024, 12(11), 2306; https://doi.org/10.3390/microorganisms12112306 - 13 Nov 2024
Viewed by 489
Abstract
Background: Listeria monocytogenes, a Gram-positive intracellular bacillus, causes listeriosis, which is primarily transmitted through contaminated food and vertical transmission. The incidence of the disease is estimated to be between one and ten cases per million globally, with pregnant women being particularly vulnerable. [...] Read more.
Background: Listeria monocytogenes, a Gram-positive intracellular bacillus, causes listeriosis, which is primarily transmitted through contaminated food and vertical transmission. The incidence of the disease is estimated to be between one and ten cases per million globally, with pregnant women being particularly vulnerable. Objective: The aim was to describe the clinical characteristics, management, and outcomes of cases of gestational listeriosis at Hospital Materno Infantil de Málaga in order to improve our understanding, diagnosis, and treatment of this disease. Methods: A retrospective analysis of six confirmed cases of listeriosis was performed in pregnant women or neonates. Diagnostic confirmation was achieved using analytic and microbiological methodologies, including blood cultures and the measurement of C-reactive protein (CRP). Ethical approval was obtained, and clinical data were reviewed for reasons related to consultation, treatment approaches, and complications. Results: The most frequently observed symptoms were fever and abdominal pain, with complications such as intrauterine death and suspected chorioamnionitis. Four patients were treated with antibiotics, leading to improved outcomes. No severe complications such as neurolisteriosis were observed. Conclusions: Pregnant women are more susceptible to L. monocytogenes, which can cause mild maternal symptoms but severe foetal outcomes, including prematurity, foetal death, or neonatal infections. Early diagnosis and prompt treatment are crucial for improving maternal–foetal outcomes. Full article
(This article belongs to the Special Issue Microbial Infections during Pregnancy: Second Edition)
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7 pages, 260 KiB  
Article
Prevalence of Trichomonas vaginalis Infection in Women Screened for Precursor Lesions of Cervical Cancer in a Brazilian Population
by Marina de Paula Salomé dos Santos, Bruna Ribeiro de Andrade Ramos, Maria Luiza Cotrim Sartor de Oliveira, Andréa da Rocha Tristão and Márcia Guimarães da Silva
Microorganisms 2024, 12(10), 2032; https://doi.org/10.3390/microorganisms12102032 - 8 Oct 2024
Viewed by 578
Abstract
Trichomonas vaginalis infection is one of the most prevalent curable STIs. Although treatments are available, T. vaginalis infections pose a significant challenge, especially in resource-limited regions, as the prevalence of this STI is often unknown. We aimed to determine the prevalence of Trichomonas [...] Read more.
Trichomonas vaginalis infection is one of the most prevalent curable STIs. Although treatments are available, T. vaginalis infections pose a significant challenge, especially in resource-limited regions, as the prevalence of this STI is often unknown. We aimed to determine the prevalence of Trichomonas vaginalis infection in women screened for cervical cancer precursor lesions in Botucatu in São Paulo, Brazil. We conducted a descriptive and retrospective study that included 23,735 women who attended the cervical cancer screening program at health units in 2019 and 2022. Clinical and sociodemographic data were collected from the cancer information system (SISCAN) and test requisition forms. Descriptive analysis was conducted, and comparisons were performed using the X2 Test and Student’s t-test (SigmaPlot version 13.0). The prevalence of T. vaginalis infection was 0.84% in 2019 and 0.57% in 2022. The mean age of patients with trichomoniasis was 42 (±11.2) years; 75% self-reported as white, 43% were married or in a stable relationship, and 40% had not completed primary education. Regarding the vaginal microbiota, only 15.3% of the cytology exams with infection by T. vaginalis showed a predominance of lactobacilli species, while inflammation was present in 82% of the smears. Cytological analysis revealed precursor lesions of cervical cancer in 0.05% of patients with trichomoniasis, including ASC, LSIL, and HSIL. The study showed a low prevalence of infection with T. vaginalis in low-risk women screened for precursor lesions of cervical cancer in Botucatu in São Paulo, Brazil. Full article
(This article belongs to the Special Issue Microbial Infections during Pregnancy: Second Edition)

Review

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14 pages, 2126 KiB  
Review
Listeria in Pregnancy—The Forgotten Culprit
by Vladimír Kraus, Jr., Beáta Čižmárová and Anna Birková
Microorganisms 2024, 12(10), 2102; https://doi.org/10.3390/microorganisms12102102 - 21 Oct 2024
Viewed by 829
Abstract
Listeria monocytogenes is a Gram-positive bacterium that causes listeriosis, a severe foodborne illness that is particularly dangerous during pregnancy. It thrives in diverse environments, including refrigerated conditions and food production facilities, due to its adaptability to varying temperatures, pH levels, and salt concentrations. [...] Read more.
Listeria monocytogenes is a Gram-positive bacterium that causes listeriosis, a severe foodborne illness that is particularly dangerous during pregnancy. It thrives in diverse environments, including refrigerated conditions and food production facilities, due to its adaptability to varying temperatures, pH levels, and salt concentrations. Its virulence stems from the ability to invade host cells, particularly macrophages and epithelial cells, and avoid, or at least postpone, immune detection by utilizing virulence factors such as internalins, listeriolysin O, and actin assembly-inducing protein. This intracellular motility and biofilm formation make LM a persistent pathogen in food safety and public health. Pregnant women are at a much higher risk of listeriosis, which can result in serious fetal complications such as miscarriage, stillbirth, and preterm labor due to LM’s affinity for placental tissues. The vertical transmission of LM from mother to fetus can lead to neonatal listeriosis, which can result in sepsis and meningitis, with high mortality rates if not promptly treated. Early diagnosis and treatment with antibiotics, such as ampicillin or gentamicin, are crucial for maternal and neonatal outcomes. Full article
(This article belongs to the Special Issue Microbial Infections during Pregnancy: Second Edition)
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