keyword
https://read.qxmd.com/read/38481831/desert-dust-episodes-during-pregnancy-are-associated-with-increased-preterm-delivery-in-french-guiana
#1
JOURNAL ARTICLE
Mathieu Nacher, Malika Leneuve, Celia Basurko, Alphonse Louis, Dominique Dotou, Stephanie Bernard, Kathy Pannechou, Karim Merad Boudia, Lindsay Osei, Fabrice Quet, Najeh Hcini
Preterm deliveries are a major multifactorial public health problem in French Guiana. Desert dust episodes have been associated with preterm delivery in Guadeloupe, a territory with similarities to French Guiana. We thus tried to replicate this finding in the context of French Guiana. A retrospective ecological cohort study combined daily PM10 concentration measurements during pregnancy and term at delivery extracted from French Guiana's computerized pregnancy delivery registry. Daily PM10 concentrations during the course of pregnancy were analyzed as mean concentrations and as the proportion of intense dust episodes (≥55 μg PM10 /m3 )...
2024: Frontiers in Public Health
https://read.qxmd.com/read/38479321/temporal-fluctuation-of-metallic-trace-elements-concentrations-in-three-morphotypes-of-floating-holopelagic-sargassum-from-the-caribbean-coast-guadeloupe-french-west-indies
#2
JOURNAL ARTICLE
Océanne-Amaya Cipolloni, Patrice Couture, Sébastien Cordonnier, Pierre-Yves Pascal
Since 2011, the Caribbean coasts have unprecedented stranding of a pelagic brown macroalgae Sargassum inducing damages for coastal ecosystems and economy. This study evaluated the temporal fluctuations of metallic trace elements (MTE) in Sargassum freshly arrived on the Caribbean coast. From May 2020 to September 2021, 12 floating samples of three morphotypes (S. fluitans III and S. natans I and VIII) were regularly collected in the Petit Cul-de-Sac Marin (Guadeloupe, French West Indies). Measured concentrations of 28 metal(loid)s trace elements reveal i) an absence of seasonal patterns in MTE concentrations except for metals Fe and Al during 2020 summer ii) a regular and high As content during the entire survey iii) a similar trend of contamination for each morphotype...
March 12, 2024: Marine Pollution Bulletin
https://read.qxmd.com/read/38398591/impact-of-the-post-harvest-period-on-the-chemical-and-sensorial-properties-of-planifolia-and-pompona-vanillas
#3
JOURNAL ARTICLE
Anaïck Ravier, Pauline Chalut, Saida Belarbi, Cyrille Santerre, Nadine Vallet, Zeineb Nhouchi
Vanilla production in Guadeloupe is expanding. The main species grown is Vanilla planifolia , but other species such as Vanilla pompona are also present and required by industries. To upgrade the value of vanilla production on this Caribbean Island, this study was performed to evaluate the aromatic specifies of these vanilla species according to the length of the post-harvest period (2 months and 9 months). For this purpose, Vanilla planifolia and Vanilla pompona were compared through scald and scarification transformation processes, as well as two different refining times (T1 and T2)...
February 14, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/38247646/do-microorganisms-in-bathing-water-in-guadeloupe-french-west-indies-have-resistance-genes
#4
JOURNAL ARTICLE
Degrâce Batantou Mabandza, Edlyne Colletin, Christophe Dagot, Isaure Quétel, Sébastien Breurec, Stéphanie Guyomard-Rabenirina
Waterborne faecal contamination is a major public health concern. The main objectives of this study were to investigate faecal contamination and Escherichia coli ( E. coli ) antibiotic resistance in recreational fresh water from Guadeloupe and to characterise the microbiome and resistome composition in biofilms from submerged rocks. Significant faecal contamination was observed at 14 freshwater sites. E. coli predominated (62%), followed by Enterobacter cloacae (11%) and Acinetobacter spp. (11%). Of 152 E. coli isolated, none produced extended-spectrum beta-lactamases (ESBLs), but 7% showed resistance to streptomycin and 4% to tetracycline...
January 16, 2024: Antibiotics
https://read.qxmd.com/read/38213393/genomes-of-nine-biofilm-forming-filamentous-strains-of-cyanobacteria-genera-jaaginema-scytonema-and-karukerafilum-gen-nov-isolated-from-mangrove-habitats-of-guadeloupe-lesser-antilles
#5
JOURNAL ARTICLE
Sébastien Halary, Charlotte Duval, Benjamin Marie, Cécile Bernard, Bérénice Piquet, Olivier Gros, Marie-Lise Bourguet-Kondracki, Sébastien Duperron
Biofilm-forming cyanobacteria are abundant in mangrove ecosystems, colonizing various niches including sediment surface and periphyton where they can cover large areas, yet have received limited attention. Several filamentous isolates were recently isolated from Guadeloupe, illustrating the diversity and novelty present in these biofilms. In this study, nine strains belonging to three novel lineages found abundantly in Guadeloupe biofilms are characterized by genome sequencing, morphological and ultrastructural examination, metabolome fingerprinting and searched for secondary metabolites biosynthesis pathways...
2024: FEMS Microbes
https://read.qxmd.com/read/38168387/extensive-variation-and-strain-specificity-in-dengue-virus-susceptibility-among-african-aedes-aegypti-populations
#6
Stéphanie Dabo, Annabelle Henrion-Lacritick, Alicia Lecuyer, Davy Jiolle, Christophe Paupy, Diego Ayala, Silvânia da Veiga Leal, Athanase Badolo, Anubis Vega-Rúa, Massamba Sylla, Jewelna Akorli, Sampson Otoo, Joel Lutomiah, Rosemary Sang, John-Paul Mutebi, Maria-Carla Saleh, Noah H Rose, Carolyn S McBride, Louis Lambrechts
UNLABELLED: African populations of the mosquito Aedes aegypti are usually considered less susceptible to infection by human-pathogenic flaviviruses than globally invasive populations found outside Africa. Although this contrast has been well documented for Zika virus (ZIKV), it is unclear to what extent it is true for dengue virus (DENV), the most prevalent flavivirus of humans. Addressing this question is complicated by substantial genetic diversity among DENV strains, most notably in the form of four genetic types (DENV1 to DENV4), that can lead to genetically specific interactions with mosquito populations...
December 14, 2023: bioRxiv
https://read.qxmd.com/read/38159660/early-exposure-to-mercury-and-cardiovascular-function-of-seven-year-old-children-in-guadeloupe-french-west-indies
#7
JOURNAL ARTICLE
Nathalie Costet, Matthieu Doyen, Florence Rouget, Leah Michineau, Christine Monfort, Ciprian-Mihai Cirtiu, Philippe Kadhel, Luc Multigner, Patrick Pladys, Sylvaine Cordier
BACKGROUND: The cardiotoxicity of prenatal exposure to mercury has been suggested in populations having regular contaminated seafood intake, though replications in the literature are inconsistent. METHODS: The Timoun Mother-Child Cohort Study was set up in Guadeloupe, an island in the Caribbean Sea where seafood consumption is regular. At seven years of age, 592 children underwent a medical examination, including cardiac function assessment. Blood pressure (BP) was taken using an automated blood pressure monitor, heart rate variability (HRV, 9 parameters) and electrocardiogram (ECG) characteristics (QT, T-wave parameters) were measured using Holter cardiac monitoring during the examination...
December 28, 2023: Environmental Research
https://read.qxmd.com/read/38139383/clonality-and-diversity-in-the-soft-rot-dickeya-solani-phytopathogen
#8
JOURNAL ARTICLE
Frédérique Van Gijsegem, Perrine Portier, Géraldine Taghouti, Jacques Pédron
Bacterial diversity analyses often suffer from a bias due to sampling only from a limited number of hosts or narrow geographic locations. This was the case for the phytopathogenic species Dickeya solani , whose members were mainly isolated from a few hosts-potato and ornamentals-and from the same geographical area-Europe and Israel, which are connected by seed trade. Most D. solani members were clonal with the notable exception of the potato isolate RNS05.1.2A and two related strains that are clearly distinct from other D...
December 16, 2023: International Journal of Molecular Sciences
https://read.qxmd.com/read/38136889/morphometric-relationships-between-length-and-weight-of-109-fish-species-in-the-caribbean-sea-french-west-indies
#9
JOURNAL ARTICLE
Kélig Mahé, Jérome Baudrier, Angela Larivain, Solène Telliez, Romain Elleboode, Elise Bultel, Lionel Pawlowski
In total, 109 fish species (24,996 individuals) were sampled around Guadeloupe and Martinique Islands from October 2021 to September 2022 to estimate the morphometric relationships between total length and weight (Length Weight Relationship: LWR) of each fish species according to potential spatial, temporal and sex differences. Of these species, this is the first time that the LWR was estimated in the Atlantic Ocean for 16 species. There is a significant relationship between length and weight for all tested species...
December 14, 2023: Animals: An Open Access Journal From MDPI
https://read.qxmd.com/read/38067611/antibacterial-activity-and-untargeted-metabolomics-profiling-of-acalypha-arvensis-poepp
#10
JOURNAL ARTICLE
Valendy Thesnor, Roland Molinié, Ryland T Giebelhaus, A Paulina de la Mata Espinosa, James J Harynuk, David Bénimélis, Bérénice Vanhoye, Catherine Dunyach-Rémy, Muriel Sylvestre, Yvens Cheremond, Patrick Meffre, Gerardo Cebrián-Torrejón, Zohra Benfodda
The search for potent antimicrobial compounds is critical in the face of growing antibiotic resistance. This study explores Acalypha arvensis Poepp. ( A. arvensis ), a Caribbean plant traditionally used for disease treatment. The dried plant powder was subjected to successive extractions using different solvents: hexane (F1), dichloromethane (F2), methanol (F3), a 50:50 mixture of methanol and water (F4), and water (F5). Additionally, a parallel extraction was conducted using a 50:50 mixture of methanol and chloroform (F6)...
November 30, 2023: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/38046836/the-caribbean-intertidal-mite-alismobates-inexpectatus-acari-oribatida-an-unexpected-case-of-cryptic-diversity
#11
JOURNAL ARTICLE
Tobias Pfingstl, Iris Bardel-Kahr, Sylvia Schäffer
UNLABELLED: Molecular genetic analyses of Caribbean populations of the supposedly widespread intertidal oribatid mite Alismobates inexpectatus revealed the existence of a cryptic species. The new species, Alismobates piratus sp. n., shows considerable COI and 18S rRNA gene sequence divergences and although morphometric analyses indicate considerable variation between the taxa, no distinguishing morphological feature could be detected. The extreme intertidal environment is suggested to be responsible for the observed morphological stasis of the two species and vicariance is supposed to be responsible for their speciation...
2023: Organisms, Diversity & Evolution
https://read.qxmd.com/read/37915017/cefoxitin-versus-carbapenems-as-definitive-treatment-for-extended-spectrum-%C3%AE-lactamase-producing-klebsiella-pneumoniae-bacteremia-in-intensive-care-unit-a-propensity-matched-retrospective-analysis
#12
JOURNAL ARTICLE
Tanguy Dequidt, Sylvaine Bastian, Mathieu Nacher, Sébastien Breurec, Michel Carles, Guillaume Thiery, Laurent Camous, Benoit Tressieres, Marc Valette, Jean-David Pommier
BACKGROUND: Despite cefoxitin's in vitro resistance to hydrolysis by extended-spectrum beta-lactamases (ESBL), treatment of ESBL-producing Klebsiella pneumoniae (KP) infections with cefoxitin remains controversial. The aim of our study was to compare the clinical efficacy of cefoxitin as definitive antibiotic therapy for patients with ESBL-KP bacteremia in intensive care unit, versus carbapenem therapy. METHODS: This retrospective study included all patients with monomicrobial bacteremia hospitalized in intensive care unit between January 2013 and January 2023 at the University Hospital of Guadeloupe...
November 1, 2023: Critical Care: the Official Journal of the Critical Care Forum
https://read.qxmd.com/read/37837856/validation-of-an-hplc-ms-ms-method-with-quechers-extraction-using-isotopic-dilution-to-analyze-chlordecone-in-human-serum
#13
JOURNAL ARTICLE
Maïlie Saint-Hilaire, Didier Plumain, Jean-Pierre Thomé, Catherine Adam, Georges Scholl, Serge Vedy, Séverine Ferdinand, Antoine Talarmin, Stéphanie Guyomard-Rabenirina
Until 1993, chlordecone (CLD) was extensively used in banana fields in French West Indies. In a previous study, CLD was detected in 90 % of Martinican and Guadeloupean adult's serum. In order to simplify the analyses of CLD in the serum, a new QuEChERS-HPLC-MS/MS method was implemented and validated by the Pasteur Institute of Guadeloupe (IPG). This method was validated with accuracy profiles according to the French Standard NF V03-110 plus the ISO 15189 and European guidelines. Linearity, repeatability, accuracy, intermediate precision, specificity, limit of detection (LOD), limit of quantification (LOQ) and uncertainty were determined...
September 28, 2023: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://read.qxmd.com/read/37824451/cumulative-pre-cooling-methods-do-not-enhance-cycling-performance-in-tropical-climate
#14
JOURNAL ARTICLE
Aurélie Collado, Kévin Rinaldi, Eric Hermand, Olivier Hue
The main objective of this study was to investigate the effect of mixed cooling techniques (combination of internal and external strategies, with and without menthol) during warm-up for a time trial in tropical climate. Seven heat-acclimatized trained male road cyclists participated in three experimental sessions consisting of 20-min cycling performances on a velodrome track in ecological hot and humid conditions (Guadeloupe, French West Indies; WBGT: 27.64±0.27°C; relative humidity: 76.43±2...
2023: PloS One
https://read.qxmd.com/read/37764990/phylogenetic-investigations-of-dengue-2019-2021-outbreak-in-guadeloupe-and-martinique-caribbean-islands
#15
JOURNAL ARTICLE
Margot Garcia-Van Smévoorde, Géraldine Piorkowski, Loic Emboulé, Georges Dos Santos, Cécile Loraux, Stéphanie Guyomard-Rabenirina, Marie-Odile Joannes, Laurence Fagour, Fatiha Najioullah, André Cabié, Xavier de Lamballerie, Anubis Vega-Rúa, Raymond Césaire, Elodie Calvez
Dengue fever has been a public health problem in the Caribbean region since 1981, when it first reappeared in Cuba. In 1989, it was reported in Martinique and Guadeloupe (two French islands 200 km apart); since then, DENV has caused several epidemics locally. In 2019-2021, DENV-1, DENV-2, and DENV-3 were detected. Serotype distribution was differentiated, with DENV-2 and DENV-3 predominating in Guadeloupe and Martinique, respectively. Complete genome sequencing was carried out on 32 specimens, and phylogenic analysis identified the circulation of genotype V for DENV-1, cosmopolitan genotype for DENV-2, and genotype III for DENV-3...
September 20, 2023: Pathogens
https://read.qxmd.com/read/37704822/kinetics-of-metal-and-metalloid-concentrations-in-holopelagic-sargassum-reaching-coastal-environments
#16
JOURNAL ARTICLE
Océanne-Amaya Cipolloni, Magalie Baudrimont, Benoît Simon-Bouhet, Émilie Pauline Dassié, Julien Gigault, Solène Connan, Pierre-Yves Pascal
Since 2011, the Caribbean Islands have experienced unprecedented stranding of a pelagic brown macroalgae Sargassum inducing damages for coastal ecosystems and economy. This study measures the kinetics of metal trace elements (MTE) in Sargassum reaching different coastal environments. In July 2021, over a period of 25 days, fixed experimental floating cages containing the three Sargassum morphotypes (S. fluitans III and S. natans I and VIII) were placed in three different coastal habitats (coral reef, seagrass, and mangrove) in Guadeloupe (French West Indies)...
September 14, 2023: Environmental Science and Pollution Research International
https://read.qxmd.com/read/37684518/endemic-parkinsonism-clusters-biology-and-clinical-features
#17
REVIEW
Katerina Menšíková, John C Steele, Raymond Rosales, Carlo Colosimo, Peter Spencer, Annie Lannuzel, Yoshikazu Ugawa, Ryogen Sasaki, Santiago Giménez-Roldán, Radoslav Matej, Lucie Tuckova, Dominik Hrabos, Kristyna Kolarikova, Radek Vodicka, Radek Vrtel, Miroslav Strnad, Petr Hlustik, Pavel Otruba, Martin Prochazka, Martin Bares, Susana Boluda, Luc Buee, Gerhard Ransmayr, Petr Kaňovský
The term 'endemic parkinsonism' refers to diseases that manifest with a dominant parkinsonian syndrome, which can be typical or atypical, and are present only in a particular geographically defined location or population. Ten phenotypes of endemic parkinsonism are currently known: three in the Western Pacific region; two in the Asian-Oceanic region; one in the Caribbean islands of Guadeloupe and Martinique; and four in Europe. Some of these disease entities seem to be disappearing over time and therefore are probably triggered by unique environmental factors...
October 2023: Nature Reviews. Neurology
https://read.qxmd.com/read/37563598/the-recent-introduction-of-angiostrongylus-cantonensis-and-its-intermediate-host-achatina-fulica-into-guadeloupe-detected-by-phylogenetic-analyses
#18
JOURNAL ARTICLE
Gelixa Gamiette, Séverine Ferdinand, David Couvin, Céline Dard, Antoine Talarmin
BACKGROUND: Angiostrongylus cantonensis (rat lungworm) is the main pathogen responsible for eosinophilic meningitis in humans. One of its intermediate snail hosts, Achatina fulica, was already present in many countries around the world before it appeared in the West Indies in the late 1980s. In the French territories in the Caribbean and northern South America, the first cases of human neuroangiostrongyliasis were reported in Martinique, Guadeloupe and French Guiana in 2002, 2013 and 2017, respectively...
August 10, 2023: Parasites & Vectors
https://read.qxmd.com/read/37559580/prostate-biopsy-approach-and-complication-rates
#19
JOURNAL ARTICLE
Kinga Mate, Saleh Nedjim, Simon Bellucci, Cesar Boucault, Nael Ghaffar, Tracy Constantini, Fanni Marvanykovi, Pierre-Gilles Vestris, Yvanne Sadreux, Melanie Laguerre, Gautier Stempfer, Pascal Blanchet, Buzogany Istvan, Laurent Brureau
Prostate biopsy is the gold standard to confirm prostate cancer. In addition to standard 12-core biopsies, magnetic resonance imaging (MRI)-guided prostate biopsies have recently been introduced to improve the detection of clinically significant prostate cancer. The present study aimed to compare the complications after standard transrectal ultrasound-guided and standard plus targeted (MRI-guided) prostate biopsies, to study the impact of the number of biopsy cores on complication rates, and to compare complication rates after transrectal ultrasound-guided prostate biopsies with those following transperineal prostate biopsies from the literature...
September 2023: Oncology Letters
https://read.qxmd.com/read/37506913/bacterial-microbiota-management-in-free-living-amoebae-heterolobosea-lineage-isolated-from-water-the-impact-of-amoebae-identity-grazing-conditions-and-passage-number
#20
JOURNAL ARTICLE
Aurélie Delumeau, Isaure Quetel, Florian Harnais, Arantxa Sellin, Olivier Gros, Antoine Talarmin, Isabel Marcelino
Free-living amoebae (FLA) are ubiquitous protozoa mainly found in aquatic environments. They are well-known reservoirs and vectors for the transmission of amoeba-resistant bacteria (ARB), most of which are pathogenic to humans. Yet, the natural bacterial microbiota associated with FLA remains largely unknown. Herein, we characterized the natural bacterial microbiota of different FLA species isolated from recreational waters in Guadeloupe. Monoxenic cultures of Naegleria australiensis, Naegleria sp WTP3, Paravahlkampfia ustiana and Vahlkampfia sp AK-2007 (Heterolobosea lineage) were cultivated under different grazing conditions, during successive passages...
July 26, 2023: Science of the Total Environment
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