Article
Immunology
Alissa Hammoud, Meriem Louni, Florence Fenollar, Hubert Bassene, Masse Sambou, Nathalie Duclos, Georges Diatta, Cheikh Sokhna, Anthony Levasseur, Didier Raoult, Oleg Mediannikov
Summary: The current paradigm of trench fever transmission by body lice is challenged by the isolation of identical strains of Bartonella quintana from patients and head lice. Confirmation of head lice as a vector will have implications for the treatment and prevention of louse-borne diseases. This study provides evidence of head lice vectorial capacity by detecting live B. quintana in head lice and finding genetic identity between strains from patients' blood and head lice during an outbreak.
CLINICAL INFECTIOUS DISEASES
(2023)
Review
Immunology
Carl Boodman, Nitin Gupta, Christina A. Nelson, Johan van Griensven
Summary: Bartonella quintana endocarditis is a global disease that disproportionately affects marginalized populations and patients in low-income countries. Improved education and diagnostic capacity are needed to identify and treat this condition before it progresses to endocarditis.
CLINICAL INFECTIOUS DISEASES
(2023)
Article
Immunology
Zachary Shepard, Lilian Vargas Barahona, Gabrielle Montalbano, Sarah E. Rowan, Carlos Franco-Paredes, Nancy Madinger
Summary: B. quintana is an underrecognized cause of serious infection in individuals experiencing homelessness. Serologic and microbiologic testing, including prolonged culture incubation, should be considered in at-risk patients due to ongoing transmission in homeless populations.
JOURNAL OF INFECTIOUS DISEASES
(2022)
Article
Entomology
Toshinori Sasaki, Mayumi Matsuoka, Kyoko Sawabe, Haruhiko Isawa, Keigo Shibayama, Mutsuo Kobayashi
Summary: This study aimed to detect Bartonella quintana in body lice and blood samples obtained from people staying in shelters in Osaka using PCR and ELISA. The results showed that trench fever was endemic among the homeless population in Osaka between 2009 and 2010.
JOURNAL OF MEDICAL ENTOMOLOGY
(2023)
Article
Parasitology
Kyungjae Andrew Yoon, Do Eun Lee, Si Hyeock Lee, Ju Hyeon Kim
Summary: The body and head lice of humans are conspecific, but only the body louse functions as a vector to transmit bacterial pathogens such as Bartonella quintana. Differences in the molecular and functional properties of the two louse subspecies may contribute to the differential vector competence between them.
PARASITES & VECTORS
(2023)
Article
Infectious Diseases
Toshinori Sasaki, Tomohide Adachi, Kazuto Itoh, Mayumi Matsuoka, Takuya Yamagishi, Maki Hirao, Haruhiko Isawa, Kazunori Oishi, Keigo Shibayama, Kyoko Sawabe
Summary: The prevalence of B. quintana infection among homeless individuals in Tokyo between 2013 and 2015 was found to be significant, highlighting the need for it to be considered in the differential diagnoses for febrile homeless patients.
JAPANESE JOURNAL OF INFECTIOUS DISEASES
(2021)
Article
Fisheries
Oumar Sadio, Monique Simier, Francois Le Loc'h, Luis Tito de Morais
Summary: Length-weight relationships were estimated for five fish species in the Sine Saloum estuary, Senegal, with parameter b values and coefficients of determination (r(2)) varying among species. New maximum lengths were proposed for three of the species.
JOURNAL OF APPLIED ICHTHYOLOGY
(2021)
Article
Immunology
Lauren Kress, Rashaun Potts, Jose E. Pietri
Summary: Bartonella quintana can be transmitted to humans through body lice, but the vertical transmission from infected lice to their eggs has limited impact on the transmission dynamics to humans.
PATHOGENS AND DISEASE
(2022)
Article
Parasitology
Muhammad Rizwan, Shahzad Ali, Arshad Javid, Michael E. von Fricken, Muhammad Imran Rashid
Summary: This study detected Bartonella spp. in R. rattus and R. norvegicus for the first time in the Sahiwal area of Punjab, Pakistan. PCR and sequencing analysis revealed an infection rate of 7.62% in rodents, with 7.94% in R. rattus and 7.05% in R. norvegicus. Additionally, it confirmed the close genetic relatedness between Bartonella spp. from Pakistan and those from China, Nepal, and Malaysia.
Article
Demography
Ulrich Nguemdjo, Bruno Ventelou
Summary: This study explores the impact of migration on child mortality in rural households, finding that short-term migration, especially among working-age women, has a positive effect on the survival probability of under-5 children, and there are crossover effects between households within the same compound. The study also shows that maternal short-term migration during pregnancy may enhance children's survival immediately after birth, but the survival probability tends to decrease after age 1 when the mother is absent.
Article
Oncology
Julius M. Vahl, Gabriele Nagel, Ayla Grages, Matthias Brand, Adrian von Witzleben, Michael Sonntag, Marie-Nicole Theodoraki, Jens Greve, Tsima Aboukors, Michael Denkinger, Dhayana Dallmeier, Christian Idel, Thomas K. Hoffmann, Simon Laban
Summary: By comparing head and neck cancer patients in rural and urban areas of Germany, it was found that there were differences in demographic indicators and patient outcomes. The study showed that the survival rate of head and neck cancer patients in rural areas was lower than that in urban areas, which may be related to longer travel distances to medical centers and socioeconomic factors. Therefore, it is necessary to improve specialized care and socioeconomic factors in East Germany to improve the survival rate of head and neck cancer patients.
Review
Infectious Diseases
Olivia Man, Alicia Kraay, Ruth Thomas, James Trostle, Gwenyth O. Lee, Charlotte Robbins, Amy C. Morrison, Josefina Coloma, Joseph N. S. Eisenberg
Summary: This systematic review examines the prevalence and transmission mechanisms of dengue in rural areas. The study finds higher incidence rates of dengue in rural areas compared to urban areas. The mechanisms for rural dengue transmission include travel, population size, urban infrastructure, vector and environmental factors, among others. Rating: 8/10.
PLOS NEGLECTED TROPICAL DISEASES
(2023)
Article
Nutrition & Dietetics
Abdou Badiane, Adama Diouf, Papa M. D. D. Sylla, Ndeye S. Cisse, Nicole Idohou-Dossou, Michele Dramaix, Salimata Wade, Philippe Donnen
Summary: This study revealed a strong association between maternal and child body composition in early life, with children's nutritional status mainly determined by diet. Among mothers, having a job and being involved in primary health care appeared to be beneficial for nutritional status. Improving women's empowerment, quality of health care, and dietary diversity could positively impact maternal and child nutrition.
MATERNAL AND CHILD NUTRITION
(2021)
Article
Entomology
Sadanandane Candasamy, Elango Ayyanar, Panneer Devaraju, Ashwani Kumar, Kamran Zaman, Bhuwan Bhaskar Mishra, Lakshmy Srinivasan, Jambulingam Purushothaman
Summary: Outbreaks of acute encephalitis syndrome (AES) with unknown aetiology occur annually in Gorakhpur district, Uttar Pradesh, India. Orientia tsutsugamushi, the rickettsial pathogen responsible for scrub typhus, has been identified as the primary cause. However, the prevalence of other rickettsial infections in the area is unknown. This study aimed to investigate the occurrence of tick- and flea-borne rickettsial agents in villages reporting AES cases.
MEDICAL AND VETERINARY ENTOMOLOGY
(2023)
Article
Public, Environmental & Occupational Health
Fatou Samba Diouf, El Hadji Ibrahima Ndiaye, Alissa Hammoud, Arfang Diamanka, Hubert Bassene, Mady Ndiaye, Oleg Mediannikov, Philippe Parola, Didier Raoult, Cheikh Sokhna, Georges Diatta
Summary: The study revealed a high prevalence of Coxiella burnetii and Borrelia spp. DNA on human skin in rural areas of Senegal, indicating a significant threat of these diseases to the population. The results also highlighted the frequent contamination of these infectious agents in the domestic environment, suggesting a widespread exposure to Q fever and tick-borne borreliosis among the populations.
VECTOR-BORNE AND ZOONOTIC DISEASES
(2021)
Article
Medicine, General & Internal
Emilie Javelle, Aurelie Mayet, Rodrigue S. Allodji, Catherine Marimoutou, Chrystel Lavagna, Jerome Desplans, Matthieu Million, Didier Raoult, Gaetan Texier
Summary: This study evaluated the impact of doxycycline (DOXY) on body weight in military international travelers. The results showed that DOXY did not cause significant weight gain in soldiers. However, other factors such as fatty food, sedentary lifestyle, and strain-specific probiotics may contribute to weight gain.
Article
Immunology
Alissa Hammoud, Meriem Louni, Florence Fenollar, Hubert Bassene, Masse Sambou, Nathalie Duclos, Georges Diatta, Cheikh Sokhna, Anthony Levasseur, Didier Raoult, Oleg Mediannikov
Summary: The current paradigm of trench fever transmission by body lice is challenged by the isolation of identical strains of Bartonella quintana from patients and head lice. Confirmation of head lice as a vector will have implications for the treatment and prevention of louse-borne diseases. This study provides evidence of head lice vectorial capacity by detecting live B. quintana in head lice and finding genetic identity between strains from patients' blood and head lice during an outbreak.
CLINICAL INFECTIOUS DISEASES
(2023)
Article
Biochemistry & Molecular Biology
Imene Ikram Hassani, Ines Quadri, Archana Yadav, Sonia Bouchard, Didier Raoult, Hocine Hacene, Christelle Desnues
Summary: This study analyzed and compared the diversity of halophilic archaea in Zehrez-Chergui (Saharian chott), Algeria, using both PCR amplification and cultivation approaches. A total of 45 distinct strains were characterized, indicating their membership in the class Halobacteria. Phylogenetic analysis revealed that 23 strains were related to 6 genera of halophilic archaea, including Halopiger which was dominant in this hypersaline environment. The molecular analysis identified a diverse range of archaeological species, highlighting the importance of combining both methods to obtain comprehensive information.
Article
Anatomy & Morphology
Abdourahamane Yacouba, Sara Bellali, Gabriel Haddad, Noelle Mavros, Anthony Fontanini, Gregory Dubourg, Jean-Christophe Lagier, Didier Raoult, Jacques Bou Khalil
Summary: SEM and EDX were used to detect and identify microorganisms and crystals in urine samples, showing promising results for their application in urine sediment analysis.
MICROSCOPY RESEARCH AND TECHNIQUE
(2023)
Article
Infectious Diseases
Bekir Celebi, Derya Karatas Yeni, Yusuf Yilmaz, Ferhat Matur, Cahit Babur, Mehmet Ali Oktem, Mustafa Sozen, Ahmet Karatas, Didier Raoult, Oleg Mediannikov, Pierre Edouard Fournier
Summary: This study examined Borrelia species in rodents captured from rural areas of Turkey. Borrelia miyamotoi was discovered in 1.7% of the blood samples collected from wild rodents. This is the first report of B. miyamotoi presence in rodents in Turkey.
TICKS AND TICK-BORNE DISEASES
(2023)
Article
Multidisciplinary Sciences
Afaf Hamame, Reham Magdy Wasfy, Cheikh Ibrahima Lo, Florence Fenollar, Didier Raoult, Pierre-Edouard Fournier, Linda Houhamdi
Summary: Two new bacterial strains, Marseille-P2698(T) and Marseille-P2260(T), were isolated from human stools using the culturomic method. These two strains were fully described using the taxonogenomic approach. Marseille-P2698(T) was identified as a Gram-negative, motile, non-spore-forming, rod-shaped bacterium, while Marseille-P2260(T) was identified as a Gram-positive, motile, spore-forming rod-shaped bacterium.
SCIENTIFIC REPORTS
(2023)
Article
Genetics & Heredity
Joa Braithe Mangombi-Pambou, Laurent Granjon, Fabien Flirden, Mamadou Kane, Youssoupha Niang, Bernard Davoust, Florence Fenollar, Oleg Mediannikov
Summary: This study investigated the prevalence of infectious agents in outdoor rodents in Senegal and identified a new bacterium species. The study highlights the diversity of infectious agents circulating in rodent populations and the importance of describing potential new species and evaluating their pathogenicity and zoonotic potential.
Letter
Infectious Diseases
Philippe Brouqui, Michel Drancourt, Didier Raoult
NEW MICROBES AND NEW INFECTIONS
(2023)
Letter
Infectious Diseases
Hubert Bassene, Masse Sambou, Marielle Bedetto, Philippe Colson, Oleg Mediannikov, Ndiaw Goumballa, Georges Diatta, Philippe Gautret, Florence Fenollar, Cheikh Sokhna
NEW MICROBES AND NEW INFECTIONS
(2023)
Expression of Concern
Microbiology
W. Xu, D. Raoult
JOURNAL OF CLINICAL MICROBIOLOGY
(2023)
Article
Immunology
Babacar Mbaye, Reham Magdy Wasfy, Maryam Tidjani Alou, Patrick Borentain, Claudia Andrieu, Aurelia Caputo, Didier Raoult, Rene Gerolami, Matthieu Million
Summary: This study analyzed the microbial composition of NASH patients and controls using 16S rRNA sequencing and qPCR. The results showed an association between Lactobacillus and Lactoccocus with NASH, and an association between Methanobrevibacter, Faecalibacterium, and Romboutsia with controls. At the species level, ethanol-producing species of Lactobacillus and an already associated species of dysbiosis were associated with NASH. This study highlights the potential role of ethanol-producing gut microbes in NASH.
MICROBIAL PATHOGENESIS
(2023)
Article
Microbiology
Linda Abou Chacra, Claudia Ly, Alissa Hammoud, Rim Iwaza, Oleg Mediannikov, Florence Bretelle, Florence Fenollar
Summary: This study found a possible association between bacterial vaginosis (BV) and sexually transmitted infections (STIs). Women with BV had a higher prevalence of STIs, including co-infections with multiple STI-causing microorganisms. Women without BV had lower rates of monoinfections and polyinfections with STI-causing microorganisms. Further research is needed to better understand the relationship between BV and STIs.
Article
Microbiology
Habibou Sarr, Aissatou Ahmet Niang, Amadou Diop, Oleg Mediannikov, Hanane Zerrouki, Seydina M. Diene, Seynabou Lo, Mouhamadou Lamine Dia, Ahmad Iyane Sow, Florence Fenollar, Jean-Marc Rolain, Linda Hadjadj, Carla Calia, Lawrence S. Young
Summary: This study investigated the antibiotic resistance of enterobacteria in Senegal and identified the emergence of carbapenemase-producing Enterobacterales (CPE) infections. The results showed that carbapenemase genes and class A β-lactamase genes were widely present in enterobacteria. This phenomenon is concerning, and strict surveillance is necessary to prevent further spread.
Article
Biochemistry & Molecular Biology
Omar Zmerli, Sara Bellali, Gabriel Haddad, Akiko Hisada, Yusuke Ominami, Didier Raoult, Jacques Bou Khalil
Summary: Phosphotungstic acid (PTA) staining is a commonly used negative staining method in scanning electron microscopy (SEM) for assessing the viability of microorganisms. This study demonstrates that PTA staining can effectively differentiate between live and dead bacteria, providing a rapid, cost-effective, and efficient viability assay for microbiome investigations and antimicrobial susceptibility testing.
COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
(2023)
Correction
Microbiology
Cheikh Ibrahima Lo, Niokhor Dione, Aminata Mbaye, Patricia Fernandez-Mellado Gomez, Issa Isaac Ngom, Camille Valles, Stephane Alibar, Jean-Christophe Lagier, Florence Fenollar, Pierre-Edouard Fournier, Didier Raoult, Seydina M. Diene
FEMS MICROBIOLOGY LETTERS
(2023)
