keyword
https://read.qxmd.com/read/38536999/occurrence-of-arbovirus-infections-in-two-riverine-populations-in-the-municipality-of-humait%C3%A3-amazonas-brazil
#1
JOURNAL ARTICLE
Jaqueline Carvalho de Oliveira Silva, Igor Rodrigo Ferreira Siqueira, Leormando Fortunato Dornelas, Cristhian Magalhães Ribeiro, João Pedro Berno Gomes, Iagor Wingenbah Guadagnin, Antonieta Relvas Pereira, Genimar Rebouças Julião, Juliana de Souza Almeida Aranha Camargo, Sergio Almeida Basano, Luís Marcelo Aranha Camargo
BACKGROUND: The riverine communities of the Amazon comprise different social groups that inhabit the rural areas on the banks of rivers and lakes. Residents usually travel by river to rural and urban areas and are then exposed to urbanized diseases such as those caused by arbovirus infection. In Brazil, emerging diseases such as dengue, Zika, chikungunya, and those caused by infection with Oropouche and Mayaro viruses necessitate epidemiological surveillance. This study was aimed at determining the frequency of positivity for immunoglobulin (Ig)G and IgM antibodies against Zika, chikungunya, and dengue viruses and performing molecular analyses to detect viral RNA for the Zika, chikungunya, dengue virus, Oropouche, and Mayaro viruses, in the same serum samples obtained from riverside populations...
2024: Revista da Sociedade Brasileira de Medicina Tropical
https://read.qxmd.com/read/38536855/correction-aedes-albopictus-microbiota-differences-between-wild-and-mass-reared-immatures-do-not-suggest-negative-impacts-from-a-diet-based-on-black-soldier-fly-larvae-and-fish-food
#2
Carlo Polidori, Andrea Ferrari, Luigimaria Borruso, Paola Mattarelli, Maria Luisa Dindo, Monica Modesto, Marco Carrieri, Arianna Puggioli, Federico Ronchetti, Romeo Bellini
[This corrects the article DOI: 10.1371/journal.pone.0292043.].
2024: PloS One
https://read.qxmd.com/read/38535884/potential-way-to-develop-dengue-virus-detection-in-aedes-larvae-as-an-alternative-for-dengue-active-surveillance-a-literature-review
#3
REVIEW
Yenny Rachmawati, Savira Ekawardhani, Nisa Fauziah, Lia Faridah, Kozo Watanabe
The burden of dengue has emerged as a serious public health issue due to its impact on morbidity, mortality, and economic burden. Existing surveillance systems are inadequate to provide the necessary data for the prompt and efficient control of dengue. Passive surveillance of dengue cases may lead to underreporting and delayed mitigation responses. Improved dengue control program requires sensitive and proactive methods for early detection of dengue. We collected and reviewed existing research articles worldwide on detecting dengue virus in Aedes species larvae...
March 11, 2024: Tropical Medicine and Infectious Disease
https://read.qxmd.com/read/38535877/integrated-strategies-for-aedes-aegypti-control-applied-to-individual-houses-an-approach-to-mitigate-vectorial-arbovirus-transmission
#4
JOURNAL ARTICLE
Danielle Cristina Tenório Varjal de Melo, Eloína Maria de Mendonça Santos, Morgana Nascimento Xavier, Josimara do Nascimento, Victor Araújo Barbosa, André Luiz de Sá Oliveira, Marcos Vinícius Meiado, Maria Alice Varjal de Melo-Santos, Marcelo Henrique Santos Paiva, Gabriel da Luz Wallau, Cláudia Maria Fontes de Oliveira
Aedes aegypti and Culex quinquefasciatus mosquitoes are vectors of different arboviruses that cause a large burden of disease in humans worldwide. A key step towards reducing the impact of arboviruses on humans can be achieved through integrated mosquito surveillance and control approaches. We carried out an integrated approach of mosquito surveillance and control actions to reduce populations of these insects along with a viral surveillance in a neighborhood of Recife (Northeastern Brazil) with high mosquito densities and arbovirus transmission...
February 24, 2024: Tropical Medicine and Infectious Disease
https://read.qxmd.com/read/38535601/an-entomological-investigation-during-a-recent-rift-valley-fever-epizootic-epidemic-reveals-new-aspects-of-the-vectorial-transmission-of-the-virus-in-madagascar
#5
JOURNAL ARTICLE
Luciano Michaël Tantely, Soa Fy Andriamandimby, Maminirina Fidelis Ambinintsoa, Manou Rominah Raharinirina, Jean Théophile Rafisandratantsoa, Jean-Pierre Ravalohery, Aina Harimanana, Nirina Nantenaina Ranoelison, Judickaelle Irinantenaina, Miamina Fidy Ankasitrahana, Dany Bakoly Ranoaritiana, Laurence Randrianasolo, Rindra Vatosoa Randremanana, Vincent Lacoste, Philippe Dussart, Romain Girod
A Rift Valley fever (RVF) outbreak occurred in at least five regions of Madagascar in 2021. The aim of this study was to provide an overview of the richness, abundance, ecology, and trophic preferences of mosquitoes in the Mananjary district and to investigate the distribution of mosquitoes that were RT-PCR-positive for RVFV. Three localities were prospected from 26 April to 4 May 2021, using light traps, BG-Sentinel traps baited with an artificial human odor, Muirhead-Thomson pit traps, and indoor pyrethroid spray catches...
March 16, 2024: Pathogens
https://read.qxmd.com/read/38535401/-wolbachia-infection-through-hybridization-to-enhance-an-incompatible-insect-technique-based-suppression-of-aedes-albopictus-in-eastern-spain
#6
JOURNAL ARTICLE
Maria Cholvi, María Trelis, Rubén Bueno-Marí, Messaoud Khoubbane, Rosario Gil, Antonio Marcilla, Riccardo Moretti
The emergence of insecticide resistance in arbovirus vectors is putting the focus on the development of new strategies for control. In this regard, the exploitation of Wolbachia endosymbionts is receiving increasing attention due to its demonstrated effectiveness in reducing the vectorial capacity of Aedes mosquitoes. Here, we describe the establishment of a naïve Wolbachia infection in a wild Aedes albopictus population of eastern Spain through a hybridization approach to obtain males capable of sterilizing wild females...
March 20, 2024: Insects
https://read.qxmd.com/read/38535388/rnai-mediated-silencing-of-laccase-2-in-culex-pipiens-pupae-via-dehydration-and-soaking-results-in-multiple-defects-in-cuticular-development
#7
JOURNAL ARTICLE
Anastasia N Naumenko, Megan L Fritz
Mosquitoes transmit a range of pathogens, causing devastating effects on human health. Population genetic control strategies have been developed and successfully used for several mosquito species. The most important step in identifying potential targets for mosquito control is the understanding of gene function. RNA interference (RNAi) is a powerful tool for gene silencing which has been widely used to study gene function in insects via knockdown of expression. The success of RNAi in insects depends on the efficient delivery of dsRNA into the cells, with microinjections being the most commonly used to study mosquito gene function...
March 14, 2024: Insects
https://read.qxmd.com/read/38535044/denguefog-a-fog-computing-enabled-weighted-random-forest-based-smart-health-monitoring-system-for-automatic-dengue-prediction
#8
JOURNAL ARTICLE
Ashima Kukkar, Yugal Kumar, Jasminder Kaur Sandhu, Manjit Kaur, Tarandeep Singh Walia, Mohammed Amoon
Dengue is a distinctive and fatal infectious disease that spreads through female mosquitoes called Aedes aegypti. It is a notable concern for developing countries due to its low diagnosis rate. Dengue has the most astounding mortality level as compared to other diseases due to tremendous platelet depletion. Hence, it can be categorized as a life-threatening fever as compared to the same class of fevers. Additionally, it has been shown that dengue fever shares many of the same symptoms as other flu-based fevers...
March 15, 2024: Diagnostics
https://read.qxmd.com/read/38534451/the-perpetual-vector-mosquito-threat-and-its-eco-friendly-nemeses
#9
REVIEW
Leticia Silva Miranda, Sarah Renee Rudd, Oscar Mena, Piper Eden Hudspeth, José E Barboza-Corona, Hyun-Woo Park, Dennis Ken Bideshi
Mosquitoes are the most notorious arthropod vectors of viral and parasitic diseases for which approximately half the world's population, ~4,000,000,000, is at risk. Integrated pest management programs (IPMPs) have achieved some success in mitigating the regional transmission and persistence of these diseases. However, as many vector-borne diseases remain pervasive, it is obvious that IPMP successes have not been absolute in eradicating the threat imposed by mosquitoes. Moreover, the expanding mosquito geographic ranges caused by factors related to climate change and globalization (travel, trade, and migration), and the evolution of resistance to synthetic pesticides, present ongoing challenges to reducing or eliminating the local and global burden of these diseases, especially in economically and medically disadvantaged societies...
March 12, 2024: Biology
https://read.qxmd.com/read/38534421/-wolbachia-interactions-with-diverse-insect-hosts-from-reproductive-modulations-to-sustainable-pest-management-strategies
#10
REVIEW
Moazam Hyder, Abdul Mubeen Lodhi, Zhaohong Wang, Aslam Bukero, Jing Gao, Runqian Mao
Effective in a variety of insect orders, including dipteran, lepidopteran, and hemipteran, Wolbachia -based control tactics are investigated, noting the importance of sterile and incompatible insect techniques. Encouraging approaches for controlling Aedes mosquitoes are necessary, as demonstrated by the evaluation of a new SIT/IIT combination and the incorporation of SIT into Drosophila suzukii management. For example, Wolbachia may protect plants from rice pests, demonstrating its potential for agricultural biological vector management...
February 27, 2024: Biology
https://read.qxmd.com/read/38532168/polymer-beads-increase-field-responses-to-host-attractants-in-the-dengue-vector-aedes-aegypti
#11
JOURNAL ARTICLE
Elizabeth F Adhiambo, Louis-Clement Gouagna, Eunice A Owino, Francis Mutuku, Merid N Getahun, Baldwyn Torto, David P Tchouassi
This study investigates the efficacy of three different olfactory cues - cyclohexanone, linalool oxide (LO), and 6-methyl-5-heptan-2-one (sulcatone) - in attracting Aedes aegypti, the primary vector of dengue, using BG sentinel traps in a dengue-endemic area (urban Ukunda) in coastal Kenya. Two experiments were conducted. Experiment 1 compared solid formulations of the compounds in polymer beads against liquid formulations with hexane as the solvent. CO2 -baited traps served as controls. In Experiment 2, traps were baited with each compound in the polymer beads, commercial BG-Lure, and CO2 ...
March 27, 2024: Journal of Chemical Ecology
https://read.qxmd.com/read/38531303/photoactivated-9-methylacridine-destroys-midgut-tissues-of-aedes-aegypti-larvae-by-targeting-ros-mediated-apoptosis-in-the-mitochondrial-pathway-of-midgut-cells
#12
JOURNAL ARTICLE
Xian Xiao, Qiang Gao, Lan-Ying Wang, Yun-Fei Zhang, Yan-Ping Luo
An aromatic ring-containing compound with a wide range of biological activities, 9-methylacridine (AD-9-Me) is a precursor for the synthesis of various drugs. However, its photoactivation properties and mechanism of damage as a photo activator against Aedes aegypti are unknown. The toxic effects of AD-9-Me on Aedes aegypti mosquitoes were determined under light and non-light conditions. The results showed that the toxicity of AD-9-Me to mosquito larvae was significantly higher than that of the dark treatment after 24 h of light exposure; AD-9-Me was mainly distributed in the midgut of larvae, after 24 h of treatment, it can cause an increase in calcium ion concentration, reactive oxygen species (ROS) eruption and ROS accumulation by blocking the ROS elimination pathway in midgut cells...
March 20, 2024: Journal of Photochemistry and Photobiology. B, Biology
https://read.qxmd.com/read/38531108/current-status-of-la-crosse-virus-in-north-america-and-potential-for-future-spread
#13
JOURNAL ARTICLE
Taylor Goldman, Davidson H Hamer
La Crosse virus (LACV) is an arthropod-borne RNA virus with substantial potential for future spread in North America. La Crosse virus is responsible for La Crosse encephalitis, a leading cause of arboviral encephalitis in children in the United States. Primarily transmitted by Aedes triseriatus (Eastern treehole) mosquitos and amplified by small mammal hosts, LACV has caused infections throughout the upper Midwest and, more recently, the mid-Atlantic and southeastern United States. Notably, in recent years, infections have also been identified increasingly in the Appalachian region...
March 26, 2024: American Journal of Tropical Medicine and Hygiene
https://read.qxmd.com/read/38531101/field-isolation-and-laboratory-vector-host-studies-of-brazoran-virus-peribunyaviridae-orthobunyavirus-from-florida
#14
JOURNAL ARTICLE
Philip M Armstrong, John F Anderson, Rohit Sharma, Michael J Misencik, Angela Bransfield, Charles R Vossbrinck, Doug E Brackney
Brazoran virus was first isolated from Culex mosquitoes in Texas in 2012, yet little is known about this virus. We report the isolation of this virus from Culex erraticus from southern Florida during 2016. The Florida strain had a nucleotide identity of 96.3% (S segment), 99.1% (M segment), and 95.8% (L segment) to the Texas isolate. Culex quinquefasciatus and Aedes aegypti colonies were subsequently fed virus blood meals to determine their vector competence for Brazoran virus. Culex quinquefasciatus was susceptible to midgut infection, but few mosquitoes developed disseminated infections...
March 26, 2024: American Journal of Tropical Medicine and Hygiene
https://read.qxmd.com/read/38530210/sterile-insect-technique-sit-field-trial-targeting-the-suppression-of-aedes-albopictus-in-greece
#15
JOURNAL ARTICLE
Georgios Balatsos, Vasileios Karras, Arianna Puggioli, Fabrizio Balestrino, Romeo Bellini, Dimitrios P Papachristos, Panagiotis G Milonas, Nikos T Papadopoulos, Marco Malfacini, Marco Carrieri, Apostolos Kapranas, Wadaka Mamai, George Mastronikolos, Ioanna Lytra, Jérémy Bouyer, Antonios Michaelakis
The sterile insect technique (SIT) involves releasing large numbers of sterile males to outcompete wild males in mating with females, leading to a decline in pest populations. In the current study, we conducted a suppression trial in Greece against the invasive dengue vector mosquito Aedes albopictus (Skuse) through the weekly release of sterile males for 22 weeks from June to September 2019. Our approach included the long-distance transport of sterile mosquitoes, and their release at a density of 2,547 ± 159 sterile males per hectare per week as part of an area-wide integrated pest management strategy (AW-IPM)...
2024: Parasite: Journal de la Société Française de Parasitologie
https://read.qxmd.com/read/38530016/evaluation-of-vector-susceptibility-in-aedes-aegypti-and-culex-pipiens-pallens-to-tibet-orbivirus
#16
JOURNAL ARTICLE
Nanjie Ren, Qianqian Jin, Fei Wang, Doudou Huang, Cihan Yang, Wahid Zaman, Ferdinand Villanueva Salazar, Qiyong Liu, Zhiming Yuan, Han Xia
Mosquito-borne viruses cause various infectious diseases in humans and animals. Tibet orbivirus (TIBOV), a newly identified arbovirus, efficiently replicates in different types of vertebrate and mosquito cells, with its neutralizing antibodies detected in cattle and goats. However, despite being isolated from Culicoides midges , Anopheles, and Culex mosquitoes, there has been a notable absence of systematic studies on its vector competence. Thus, in this study, Aedes aegypti and Culex pipiens pallens were reared in the laboratory to measure vector susceptibility through blood-feeding infection...
March 26, 2024: MSphere
https://read.qxmd.com/read/38529632/incorporation-of-drone-technology-into-the-chain-of-survival-for-ohca-estimation-of-time-needed-for-bystander-treatment-of-ohca-and-cpr-performance
#17
JOURNAL ARTICLE
Monique A Starks, Audrey L Blewer, Christine Chow, Edward Sharpe, Lee Van Vleet, Evan Arnold, Daniel M Buckland, Anjni Joiner, Denise Simmons, Cynthia L Green, Daniel B Mark
BACKGROUND: Drone-delivered automated external defibrillators (AEDs) hold promises in the treatment of out-of-hospital cardiac arrest. Our objective was to estimate the time needed to perform resuscitation with a drone-delivered AED and to measure cardiopulmonary resuscitation (CPR) quality. METHODS: Mock out-of-hospital cardiac arrest simulations that included a 9-1-1 call, CPR, and drone-delivered AED were conducted. Each simulation was timed and video-recorded...
March 26, 2024: Circulation. Cardiovascular Quality and Outcomes
https://read.qxmd.com/read/38529314/irritant-and-repellent-behaviors-of-sterile-male-aedes-aegypti-l-diptera-culicidae-mosquitoes-are-crucial-in-the-development-of-disease-control-strategies-applying-sterile-insect-technique
#18
JOURNAL ARTICLE
Wasana Boonyuan, Amonrat Panthawong, Thodsapon Thannarin, Titima Kongratarporn, Vararas Khamvarn, Theeraphap Chareonviriyaphap, Jirod Nararak
The mosquito Aedes aegypti , known to transmit important arboviral diseases, including dengue, chikungunya, Zika and yellow fever. Given the importance of this disease vector, a number of control programs have been proposed involving the use of the sterile insect technique (SIT). However, the success of this technique hinges on having a good understanding of the biology and behavior of the male mosquito. Behavioral responses of Ae. aegypti male populations developed for SIT technology were tested under laboratory conditions against chemical and natural irritants and repellents using an excito-repellency (ER) chamber...
2024: PeerJ
https://read.qxmd.com/read/38527917/variable-gut-ph-as-a-potential-mechanism-of-tolerance-to-bacillus-thuringiensis-subsp-israelensis-toxins-in-the-biting-midge-culicoides-sonorensis
#19
JOURNAL ARTICLE
Cameron J Osborne, Tianyun Su, Kristopher S Silver, Lee W Cohnstaedt
BACKGROUND: Toxins of Bacillus thuringiensis subsp. israelensis (Bti) are safer alternatives for controlling dipteran pests such as black flies and mosquitoes. The biting midge Culicoides sonorensis (Diptera: Ceratopogonidae) is an important pest of livestock in much of the United States and larval midges utilize semi-aquatic habitats which are permissive for Bti product application. Reports suggest that Bti products are ineffective at killing biting midges despite their taxonomic relation to black flies and mosquitoes...
March 25, 2024: Pest Management Science
https://read.qxmd.com/read/38527081/extensive-variation-and-strain-specificity-in-dengue-virus-susceptibility-among-african-aedes-aegypti-populations
#20
JOURNAL ARTICLE
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
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...
March 25, 2024: PLoS Neglected Tropical Diseases
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