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Seasonal Dynamic of the Fall Armyworm, Spodoptera frugiperda (J.E Smith, 1797) (Lepidoptera: Noctuidae) on Maize Crop in the Sub-Sudanese Zone of Côte d’Ivoire

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Advances in Entomology 2024年第2期12卷 78-92页

作者： st.phanie Manuela Klamansoni Akissi Konan Laya Kansaye Nondenot Roi Louis Aboua West Africa Science Service Centre on Climate Change and Land Used (WASCAL) Abidjan C&#244te d&#8217Ivoire Rural Polytechnic Institute of Training and Applied Research Katibougou Mali Department of Entomology and Ecosystem Management F&#233lix Houphou&#235t-Boigny University Abidjan C&#244te d&#8217Ivoire

In Côte d’Ivoire, maize (Zea mays L) is the second most cultivated cereal after rice. Since the first report of Spodoptera frugiperda in Côte d’Ivoire, maize production in the northern regions has been affected resulting in maize production losses. This study aims to study the seasonal dynamic of Spodoptera frugiperda in maize fields in the sub-Sudanese zone, main zone of maize cultivation in Côte d’Ivoire. The study was done using pheromone trap lures. The results revealed a variation in the moth population at various growth stages during rainy and dry seasons. Notably, the highest numbers of moths were consistently trapped during the whorl stage with counts ranging from 131 ± 35.7 during the rainy season to 70.6 ± 15.01 in the dry season. The lowest numbers of moths were observed during pod maturation, with counts ranging from 30.3 ± 13.05 during the rainy season to 11.7 ± 3.05 in the dry season. Between the 7th and 21st days after sowing, the count of moths displayed a consistent upward trajectory, reaching 188 moths during the rainy season. The damages were particularly observed at whorl stage. The relationship between the numbers of moths and some climatic variables revealed a negative correlation between moths numbers and rainfall (r= −0.44) and relative humidity (r= −0.684). In contrast, there were positive relationships with temperature (r = 0.16), highlighting the significant impact of temperature changes on moth population dynamics. The research highlights the need for integrated pest management strategies that consider climatic factors and growth stages of maize to mitigate the impact of this insect pest on maize.

关键词： Spodoptera frugiperda Moths Climatic Variables Zea mays

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COVID-19 patient experiences in prehospital pathways:a processual approach using life-events calendar method and state sequence analysis shows detrimental delays

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Family Medicine and Community Health 2024年第1期12卷 45-56页

作者： Romain Lutaud Sebastien Cortaredona Lea Delorme Patrick Peretti-watel Juliette Mirouse Manon Borg Lucie Cattaneo Didier Thery Gaetan Gentile Christian Pradier Touitou Irit Philippe Brouqui Sophie Tardieu Michel Carles st.phanie Gentile Department of General Practice Aix-Marseille UniversityMarseilleFrance ADES MarseilleFrance Institut de Recherche pour le Développement(IRD) MarseilleFrance Assistance Publique-Hôpitaux de Marseille(AP-HM) MarseilleFrance INSERM MarseilleFrance Department of Public Health Archet University HospitalNiceFrance MEPHI MarseilleFrance CEReSS-Health Service Research and Quality of life Center MarseilleFrance Department of Infectious Diseases Centre Hospitalier Universitaire de NiceNiceFrance

Objectives To our best knowledge,no study in France has comprehensively investigated the prehospital history of patients admitted for severe cases of COVID-19.‘Patients’voice is an excellent means to capture data on primary care *** aimed to identify clusters of COVID-19 hospitalised patients with similar prehospital symptom sequences,and to test whether these clusters were associated with a higher risk of poor clinical *** Cross-sectional online survey using life-event *** All patients hospitalised for COVID-19 between September 2020 and May 2021 in the Infectious Disease Departments in Nice and in Marseilles in *** 312 patients responded to the *** outcome measures From the day of symptom onset to the day of hospitalisation,we defined a symptom sequence as the time-ordered vector of the successive symptom grades(grade 1,grade 2,grade 3).state sequence analysis with optimal matching was used to identify clusters of patients with similar symptom *** logistic regressions were performed to test whether these clusters were associated with admission to intensive care unit(ICU)and COVID-19 sequelae after *** Three clusters of symptom sequences were identified among 312 complete prehospital pathways.A specific group of patients(29%)experienced extended symptoms of severe COVID-19,persisting for an average duration of 7.5 days before *** group had a significantly higher probability of being admitted to ICU(adjusted OR 2.01).They were less likely to know a loved one who was a healthcare worker,and more likely to have a lower level of ***,this group of patients,who were more likely to have previously visited the emergency room without exhibiting severe symptoms at that time,may have been inclined to postpone reassessment when their health *** relatives played a decisive role in their *** and relevance This study h

关键词： admitted likely life

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Soil Physico-Chemical Properties and Different Altitudes Affect Arbuscular Mycorrhizal Fungi Abundance and Colonization in Cacao Plantations of Cameroon

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American Journal of Plant Sciences 2024年第2期15卷 57-82页

作者： Franklin Tounkam Ketchiemo Beaulys Fotso Astride st.phanie Mouafi Djabou Victor Jos Eyamo Evina Japhet Youri Essambita Franck Maxime Ewane Tang Nicolas Niemenak Laboratory of Plant Physiology and Biochemistry Department of Biological Sciences Higher Teacher Training College University of Yaounde I Yaounde Cameroon Department of Plant Biology Faculty of Sciences University of Yaounde I Yaounde Cameroon Faculty of Agronomy and Agricultural Sciences Bafia Annex University of Dschang Dschang Cameroon Applied Biotechnology Engineering Laboratory Department of Agriculture and Agropastoral Higher Teacher Training College University of Ebolowa Ebolowa Cameroon Plant Physiology Improvement Unit Laboratory of Biotechnology and Environment Department of Plant Biology Faculty of Sciences University of Yaounde I Yaounde Cameroon

This study aims to investigate the abundance of AMF according to soil properties and altitudes in different cacao plantations of Cameroon. Physico-chemical analyses were made on soil samples collected from three agro-ecological zones. Soil samples were also used to evaluate directly the AMF abundance following the various altitudes and after trapping by sorghum plant. The results showed that soil properties, AMF spore abundances and colonization fluctuated significantly at different altitudes. The most represented texture was sandy loam. The bimodal zone presented a homogeneous texture (sandy loam) in all its localities. Cacao soil chemical characteristics showed that, the highest nitrogen rate (0.47%;p 0.05, Scott-Knott test) was recorded at Melong in a monomodal zone while Tonga in the Western highlands displayed the lowest rate (0.13%). Soil P concentration was significantly high in monomodal zones (Mbanga and Melong). Soil pH level indicated that the soil from Tonga in the Western highlands was neutral (pH = 6.67), and soils of other localities under study were acidic with the lowest (4.75) pH level recorded at Melong in a monomodal zone. In soil samples, the highest spore density (1.03 spores/g soil) was observed at Ntui in Bimodal zone, while the lowest spore density (0.26 spores/g soil) was observed at Bafang in the Western highlands. Root colonization showed that the sample from Bokito in a bimodal zone displayed the best frequency of mycorrhization (86.11%) while the sample from Bafang in the Western highlands recorded the lowest (27.11%). The PCA analysis highlighted that available phosphorus, pH and altitude all strongly correlated with AMF root colonization ability and can be used as a predictor of AMF colonization ability in cacao rhizosphere.

关键词： Agroecological Zone Altitude Variations Arbuscular Mycorrhizal Fungi Soil Properties Theobroma cacao

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Antibiotic Resistance Profile of Serotypes of streptococcus pneumoniae strains in Bangui, from 2017 to 2022: Case of Serotype 1

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Open Journal of Medical Microbiology 2024年第2期14卷 131-145页

作者： Zéphirin Dalengat Vogbia Ernest Lango Yaya Marceline Djeintote st.phanie Judith N’Yetobouko Jean de Dieu Longo Clotaire Donatien Rafaï Christian Diamant Mossoro-Kpindet Gérard Gresenguet Epidemiology and Research Service National Reference Center for Sexually Transmitted Infections and Anti-Retroviral Therapy Ministry of Health Bangui Central African Republic Faculty of Health Sciences Doctoral School of Human and Veterinary Health Sciences University of Bangui Bangui Central African Republic National Laboratory of Clinical Biology and Public Health Bangui Central African Republic National Blood Transfusion Center Bangui Central African Republic Public Department Ministry of Health Bangui Central African Republic

Goals: The aim of this study was to determine the antibiotic resistance profile of serotypes of streptococcus pneumoniae strains circulating in Bangui. Methodology: A prospective and analytical analysis was carried out at the National Laboratory of Clinical Biology and Public Health from 2017 to 2022. The strains came from our study on the contribution to the study of antibiotic sensitivity of streptococcus pneumoniae strains. The multiplex PCR test was used for its cost-effectiveness in terms of amplifiers which can be purified in order to be sequenced. It also makes it possible to detect several germs as well as their serotypes. For a PCR reaction, several elements are involved in the reaction medium or Master Mix. These are the desoxyribonucleotides (dNTPs), the magnesium ions (MgCl2) and the primers. A set of 14 primers divided into 3 classes were used. Class 1 primers served as an internal control by targeting the cpsA gene. It is a highly conserved gene found in capsular loci characterized to date. The primers of the second class were used to target specific serotypes by specific reactions (out of six possibilities). The group reaction was carried out using the primers of the third class in order to carry out an initial screening of the samples and to classify the pneumococcal isolates. Related serotypes were grouped based on the amplification of common genes. Using the technique of electrophoresis on agarose gel and an ultraviolet radiation device, the migration bands are then visualized and analyzed. The data collected had been entered into Excel 2010 and analyzed with Epi info 7. The exact Fischer chi2 test at the 5% threshold, the relative risk and its 95% confidence interval were used to compare the proportions and determine the associations. Results: 187 antibiotic-resistant strains of streptococcus pneumoniae were collected. The average frequency of serotypes 1, 9A, 4 and untypeable identified were 43.59%, 18.18%, 18.27% and 39.57% respectively. The fre

关键词： streptococcus pneumonia Serotype Antibiotic Resistance Bangui

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Clinical and Therapeutic Aspects of Migraine in Brazzaville

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World Journal of Neuroscience 2024年第1期14卷 56-71页

作者： Motoula Latou Happhia Dinah Boubayi Josue Diatewa Prince Eliot Galieni Sounga Bandzouzi Ghislain Armel Mpandzou Héloïse st.phanie Ongoly Ikora Karen Lise Obondzo Aloba Paul Macaire Ossou-Nguiet Faculty of Health Sciences Marien Ngouabi University Brazzaville The Republic of the Congo Department of Neurology Brazzaville University Hospital Brazzaville The Republic of the Congo Department of Neurology Loandjili General Hospital Pointe-Noire The Republic of the Congo

Introduction: Migraine is the most common primary headache, and can cause significant disability. There are two types, migraine without aura and migraine with aura. The diagnosis of migraine is essentially clinical. Worldwide prevalence was estimated at 11.6% in 2009. In Africa, it is estimated at 10.4%. Objective: To describe the clinical and therapeutic aspects of migraine in Brazzaville. Patients and Methods: This was a door-to-door cross-sectional study conducted from 1st May to 1 st July 2018 in the city of Brazzaville. Subjects over 18 with clearly expressed consent were included. The questionnaire covered demographic characteristics, diagnostic criteria for migraine according to the IHS, treatments taken. The degree of disability was determined using the Migraine Disability Assessment Scale (MIDAS). statistical analysis was performed using SPSS 22.0 for MAC. Results: Of the 1017 subjects interviewed in this study, 115 (39.9%) had migraine, including 73 women (63.47%) and 42 men (36.52%). In the group of migraine sufferers, the number of cases of definite migraine was 61 (53.04%) and that of probable migraine 54 (46.95%). For 81 migraine sufferers (70.43%), stress was the triggering factor. The frequency of attacks was weekly and monthly for 30 (26.1%) and 19 (16.5%) sufferers respectively. The location of the migraine was unilateral in 38% of cases and tilted in 24.3%. The intensity of the attack was described as moderate and severe in 41.7% and 57.4% of subjects respectively. Phonophobia/photophobia accompanied the migraine in 65.2% of cases. One hundred and eight subjects were treated. Of these, 106 (98.1%) were on medication. Eleven (10.37%) had received a medical prescription, and ninety-seven (89.8%) were self-medicating. Five and three subjects were under the care of a general practitioner and a neurologist respectively. Conclusion: Migraine is a frequent pathology in Brazzaville. Its preponderance among young people and women call

关键词： Migraine Clinic Therapeutics Brazzaville

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Organic aerosol molecular composition and gas–particle partitioning coefficients at a Mediterranean site(Corsica)

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Journal of Environmental Sciences 2016年第2期28卷 92-104页

作者： st.phanie Rossignol Florian Couvidat Caroline Rio Sébastien Fable Guillaume Grignion savelli Olivier Pailly Eva Leoz-Garziandia Jean-Francois Doussin Laura Chiappini Institut National de l'Environnement Industriel et des Risques (INERIS) 60 550 Verneuil-en-Halatte France LISA UMR CNRS 7583 Universite Paris Est Creteil et Universite Paris Diderot Institut Pierre Simon Laplace Creteil France CEREA Joint Laboratory Ecole des Ponts Paris Tech/EDF R&D Universite Paris-Est 77455 Marne la Vallee France Qualitair Corse Lieu-dit Lergie RN 200 20250 Corte France Institut National de la Recherche Agronomique (INRA) 20230 San Giuliano Corse France

Molecular speciation of atmospheric organic matter was investigated during a short summer field campaign performed in a citrus fruit field in northern Corsica（June 2011）. Aimedat assessing the performance on the field of newly developed analytical protocols, this work focuses on the molecular composition of both gas and particulate phases and provides an insight into partitioning behavior of the semi-volatile oxygenated fraction. Limonene ozonolysis tracers were specifically searched for, according to gas chromatography–mass spectrometry（GC–MS） data previously recorded for smog chamber experiments. A screening of other oxygenated species present in the field atmosphere was also performed. About sixty polar molecules were positively or tentatively identified in gas and/or particle phases. These molecules comprise a wide range of branched and linear, mono and di-carbonyls（C_3–C7）,mono and di-carboxylic acids（C_3–C_18）, and compounds bearing up to three *** these compounds, some can be specifically attributed to limonene oxidation and others can be related to α- or β-pinene oxidation. This provides an original snapshot of the organic matter composition at a Mediterranean site in summer. Furthermore, for compounds identified and quantified in both gaseous and particulate phases, an experimental gas/particle partitioning coefficient was determined. Several volatile products, which are not expected in the particulate phase assuming thermodynamic equilibrium, were nonetheless present in significant concentrations. Hypotheses are proposed to explain these observations, such as the possible aerosol viscosity that could hinder the theoretical equilibrium to be rapidly reached.

关键词： Secondary organic aerosol Gas–particle partitioning Mediterranean area Carbonyls Carboxylic acids

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Contribution to the study of the Incidence of Post-streptococcal Complications in Republic Central African Republic from 2015 to 2018

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Open Journal of Epidemiology 2024年第1期14卷 110-121页

作者： Zéphirin Dalengat Vogbia Ernest Lango Yaya Jean De Dieu Longo Augustin Balekouzou Gaspard Tekpa Christian Maucler Pamaticka st.phanie Judith N’Yetobouko Maurel Anicet Adonis Ouoko Fatigbia Christian Diamant Mossoro Kpindet Gérard Gresenguet Epidemiology and Research Service National Reference Center for Sexually Transmitted Infections and Anti-Retroviral Therapy Ministry of Health Bangui Central African Republic Direction of National Laboratory of Clinical Biology and Public Health Ministry of Health Bangui Central African Republic Training Project Manager and Heald of Public Departement Ministry of Health Bangui Central African Republic Faculty of Health Sciences Doctoral School of Human and Veterinary Health Sciences University of Bangui Bangui Central African Republic National Committee for the Fight against AIDS Primature Bangui Central African Republic Infectious Disease Department The Sino Central African Friendship University Hospital Center Bangui Central African Republic Epidemiology Department Bangui National University Hospital Center Bangui Central African Republic

Introduction: Acute rheumatic fever (AAR) is a non-suppurative complication of late infection by group A. Infections due to streptococci remain a public health problem in the Central African Republic. The present study aims to determine the incidence rate of AAR cases and its complications. Methodology: This was a retrospective and analytical study over a period of 4 years (from January 2015 to December 2018) at the National Laboratory of Clinical Biology and Public Health (LNBCSP) in Bangui. It focused on samples concerning the diagnosis of AAR and patient files seen in consultation in the capital’s reference health establishments. Laboratory registers and patient consultation files were used to collect data. They were entered into Excel 2010 to be analyzed with Epi Info 7. A univariate analysis by logistic regression, Ficher’s exact test, and chi2 at the 5% threshold (p Results: We analyzed 94 cases meeting Jones’s criteria. The ages of the patients ranged from 18 to 85 years (mean age 52 years and mode 45 years). The incidence rate of AAR for the female sex was higher than that of the male sex during the study period (p > 0.05). It went from 166.6 in 2015 to 200 in 2016 and 2018 cases of AAR per 1000 people per year. The average incidence rate was 296.18 cases of AAR per 1000 people per year. The average incidence rate was 223.5 cases of AAR per 1000 people per year for joint damage. Joint damage represented 80.85% (RR = 0.62;Chi2 = 4.88;95% CI [0.39-0.97];p Conclusion: The study allowed data on the impact rate and complications of the AAR in Bangui. Special attention to data management will help produce a complete result on the problem. Joint complications predominated. Sustaining an effective surveillance system and preventing infection would help reduce the risk of AAR occurrence.

关键词： Incidence Acute Joint Rheumatism Central African Republic

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Multidrug-Resistant of Escherichia coli and Salmonella spp. strains in Chicken Feces Intended for Consumption in Open Spaces of Ouagadougou, Burkina Faso

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Open Journal of Applied Sciences 2024年第4期14卷 881-892页

作者： st.phanie Lynseh Carine Sita Bénao Dabiré Amana Métuor Abdoul Karim Ouattara Rahimatou Yasmine Wendkouni Tiemtoré Nicolas Ouédraogo Blandine Ouédraogo Rhaina Olivia Badini Lionel Eliada Benoit Bambara Serge Sougué Jacques Simporé Biomolecular and Genetic Laboratory (LABIOGENE) Pietro Annigoni Biomolecular Research Center (CERBA) Department of Biochemistry-Microbiology University Joseph Ki-Zerbo Ouagadougou Burkina Faso Department of Biochemistry-Microbiology University of D&#233dougou D&#233dougou Burkina Faso National Malaria Research and Training Centre (CNRFP) Ouagadougou Burkina Faso

Resistant bacteria can be transmitted to humans through feces or contaminated meat from local chickens. Bacterial strains were isolated from the intestinal contents of 400 local chicken samples from various sales sites. These strains were then characterized using bacteriological and biochemical methods to identify resistant strains. In a study conducted in Ouagadougou, we systematically collected chicken fecal samples from 20 locations across the city, followed by isolation and identification of Salmonella spp. using specific enrichment and culture methods, as well as Escherichia coli. Bacterial strains were characterized using antibiotic resistance profiles were determined through agar diffusion tests, revealing sensitivity or resistance to a range of antibiotics based on established scientific criteria. The results showed that out of the 400 samples collected, 81.25% and 63.5% were contaminated by Escherichia coli and Salmonella spp., respectively. Among these, 86.15% of identified Escherichia coli and 50.78% of Salmonella spp. displayed resistance to at least one tested antibiotic. Among 280 Escherichia coli isolates identified resistant to at least one antibiotic, 31.07% were resistant to cefotaxime (CTX), 20.35% to ceftazidime (CAZ), 21.07% to ceftriaxone (CTR), 75% to amoxicillin clavulanic acid (AMC), 23.57% aztreoname (ATM) and 27.14% were resistant to imipenem (IMP). In the case of the 129 Salmonella spp. isolates resistant to at least one tested antibiotic, 34.88% were resistant to CTX;41.08% to CAZ;35.65% to CTR, 92% to AMC, 39.53% to ATM and finally 47.28% were resistant to IMP. Our study revealed high prevalence of resistance in bacterial strains isolated from local chickens sold outdoors in Ouagadougou. These findings raise significant public health concerns, due to the possible transmission of these resistant strains to humans through the consumption of contaminated meat, thus complicating the treatment of bacterial infections.

关键词： Multidrug-Resistant Chicken Ouagadougou Escherichia coli Salmonella spp. Antibiotic

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3D finite element analysis of a two-surface wear model in fretting tests

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摩擦:英文版 2023年第12期11卷 2278-2296页

作者： st.phanie BASSEVILLE Djamel MISSOUM-BENZIANE Georges CAILLETAUD Universitéde Versailles Saint-Quentin Versailles 78000France MINES Paristech PSL Research UniversityMATCentre des MatériauxCNRS UMR 7633Evry Cedex BP 8791003France

This article aims at developing a computationally efficient framework to simulate the erosion of two contact surfaces in three-dimensional(3D),depending on the body *** framework involves finite element(FE)resolution of a fretting problem,wear computation via a non-local criterion including a wear distribution parameter(WDP),as well as updating of the geometry and automatic *** originality is based on the capability to capture the damage on each surface and obtain local and global results for a quantitative and qualitative *** simulations are carried out for two 3D contact specimens with different values of *** results highlight the importance of correctly modelling wear:One-surface wear model is sufficient from a global point of view(wear volume),or whenever the wear resistance for a body is much higher than that of another one,whereas a 3D two-surface wear model is essential to capturing local effects(contact pressure,wear footprint,etc.)related to the difference in wear resistance of the bodies.

关键词： three-dimensional(3D)finite element(FE)simulations fretting two-surface wear model titanium alloys

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Orbits of Real Semisimple Lie Groups on Real Loci of Complex Symmetric Spaces

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Acta Mathematica Sinica,English Series 2018年第3期34卷 439-453页

作者： st.phanie CUPIT-FOUTOU Dmitry A.TIMASHEV Ruhr-Universitat Bochum Fakultat fiir Mathematik D-44780 Bochum Germany Lomonosov Moscow state University Faculty of Mechanics and Mathematics Department of Higher Algebra 119991 Moscow Russia

Let G be a complex semisimple algebraic group and X be a complex symmetric homogeneous G-variety. Assume that both G, X as well as the G-action on X are defined over real *** G（R） acts on X（R） with finitely many orbits. We describe these orbits in combinatorial terms using Galois cohomology, thus providing a patch to a result of Borel and Ji.

关键词： Semisimple group symmetric space real point orbit Galois cohomology

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