journal
https://read.qxmd.com/read/38608996/microbiome-profile-of-south-korean-vector-mosquitoes
#1
JOURNAL ARTICLE
Ashraf Akintayo Akintola, Ui Wook Hwang
This research offers a comprehensive exploration of the microbial communities associated with vector mosquitoes from South Korea. Aedes albopictus, Anopheles sinensis, and Culex molestus are vectors of pathogens, and understanding the intricacies of their microbiome profile is paramount for unraveling their roles in disease transmission dynamics. In this study, we characterized the microbiome of the midguts of adult female vector mosquitoes collected from different locations in South Korea. After DNA extraction from dissected mosquito midguts, we used the Illumina MiSeq next-generation sequencing to obtain sequences spanning the V4 hypervariable region of the bacteria 16S rRNA...
April 10, 2024: Acta Tropica
https://read.qxmd.com/read/38604328/detection-of-haptoglobin-and-serum-amyloid-a-as-biomarkers-in-naturally-infected-mycoplasma-bovis-calves
#2
JOURNAL ARTICLE
Abdul Sameed, Ali Raza, Qiu Fuan, Khalid Mehmood, Riaz Hussain, Abdul Qayyum, Musadiq Idris, Mikhlid H Almutairi, Kun Li
The livestock sector of Pakistan is increasing rapidly and it plays important role both for rural community and national economy. It is estimated that almost 8 million rural people are involved in livestock rearing and earning about 35-40% of their income from the livestock sector. Mycoplasma bovis (M. bovis) infection causes significant economic losses in dairy animals especially young calf in the form of clinical illnesses such as pneumonia, poly-arthritis, respiratory distress and mortality. M. bovis is hard to diagnose and control because of uneven disease appearance and it is usually noticed in asymptomatic animals...
April 10, 2024: Acta Tropica
https://read.qxmd.com/read/38604329/promising-effects-of-1-8-cineole-to-control-giardia-lamblia-infection-targeting-the-inflammation-oxidative-stress-and-infectivity
#3
JOURNAL ARTICLE
Leila Masoori, Amal Khudair Khalaf, Fatemeh Ezatkhah, Rafael Balaña-Fouce, Hossein Mahmoudvand
Reportedly, synthetic drugs such as metronidazole, furazolidone, tinidazole, and quinacrine are used for the treatment of giardiasis but are associated with adverse effects. In this study, we aimed to investigate the in vitro and in vivo effects of eucalyptol (ECT, 1,8 cineole) alone and in combination with metronidazole (MNZ) on Giardia lamblia. The effects of ECT on cell viability, plasma membrane permeability, and gene expression levels of adenylate cyclase (AK) and extracellular signal kinases 1 and 2 (ERK1 and ERK2) in trophozoites of G...
April 9, 2024: Acta Tropica
https://read.qxmd.com/read/38604327/an-association-between-pm-2-5-related-components-and-respiratory-infectious-diseases-a-china-s-mainland-based-study
#4
JOURNAL ARTICLE
Donghua Li, Tianshan Shi, Lei Meng, Xiaoshu Zhang, Rui Li, Tingrong Wang, Xin Zhao, Hongmiao Zheng, Xiaowei Ren
The particulate matter with diameter of less than 2.5 µm (PM2.5 ) is an important risk factor for respiratory infectious diseases, such as scarlet fever, tuberculosis, and similar diseases. However, it is not clear which component of PM2.5 is more important for respiratory infectious diseases. Based on data from 31 provinces in mainland China obtained between 2013 and 2019, this study investigated the effects of different PM2.5 components, i.e., sulfate (SO4 2- ), nitrate (NO3 - ), ammonium (NH4 + ), and organic matter (OM), and black carbon (BC), on respiratory infectious diseases incidence [pulmonary tuberculosis (PTB), scarlet fever (SF), influenza, hand, foot, and mouth disease (HFMD), and mumps]...
April 9, 2024: Acta Tropica
https://read.qxmd.com/read/38604326/scd155-as-a-potential-marker-for-diagnosing-the-vascular-invasion-in-hepatic-alveolar-echinococcosis
#5
JOURNAL ARTICLE
Tao Sun, Ning Yang, Liang Li, Xue Zhang, Hui Liu, Nuerbaiti Kusuman, Jin Chu, Guodong Lü, Tuerganaili Aji, Xiaojuan Bi, Renyong Lin
BACKGROUND: Alveolar Echinococcosis (AE) is a malignant zoonotic disease caused by Echinococcus multilocularis infection. Considering whether the lesion is accompanied by vascular invasion (VI) is crucial for treatment strategies. A cost-effective and convenient clinical diagnostic method is urgently needed to supplement current techniques. Consequently, we detected soluble CD155 (sCD155) as a potential biomarker for diagnosing VI in hepatic alveolar echinococcosis (HAE). METHODS: Blood samples were from 42 AE patients and 49 healthy controls (HCs)...
April 9, 2024: Acta Tropica
https://read.qxmd.com/read/38599443/melioidosis-masquerading-as-malignancy-in-tropical-australia-lessons-for-clinicians-and-implications-for-clinical-management
#6
JOURNAL ARTICLE
Kelly Baker, Ty Duncan, Samantha Kung, Simon Smith, Josh Hanson
Melioidosis is a life-threatening, emerging infectious disease caused by the environmental bacterium Burkholderia pseudomallei. Melioidosis is hyperendemic in tropical Australia and southeast Asia, however the disease is increasingly encountered beyond these regions. Early diagnosis is essential as the infection has a case-fatality rate of up to 50%. Melioidosis most commonly involves the lungs, although almost any organ can be affected. Most patients present acutely but an insidious presentation over weeks to months is also well described...
April 8, 2024: Acta Tropica
https://read.qxmd.com/read/38599442/ticks-acari-ixodidae-on-resident-and-migratory-wild-birds-in-orinoquia-region-colombia
#7
JOURNAL ARTICLE
Ana Busi, Gabriel J Castaño-Villa, Fredy A Rivera-Páez
Several species of hard ticks, including those of the genera Ixodes, Haemaphysalis, Amblyomma, and Rhipicephalus, are of medical and veterinary importance and have been reported in association with Neotropical wild birds. Colombia, known for its great bird diversity, has 57 confirmed tick species. However, there are few studies on the association between wild birds and ticks in Colombia. The Orinoquia region, a migratory center in Colombia, provides a unique opportunity to study wild bird-tick associations and their implications for tick-borne disease dynamics...
April 8, 2024: Acta Tropica
https://read.qxmd.com/read/38579961/molecular-detection-of-blood-protozoa-and-identification-of-black-flies-of-the-simulium-varicorne-species-group-diptera-simuliidae-in-thailand
#8
JOURNAL ARTICLE
Jiraporn Stangarm, Ronnalit Mintara, Waraporn Jumpato, Bhuvadol Gomontean, Isara Thanee, Komgrit Wongpakam, Peter H Adler, Weerachai Saijuntha, Pairot Pramual
Species of the Simulium varicorne group in Thailand have veterinary significance as vectors of haemosporidian parasites. Accurate identification is, therefore, critical to the study of vectors and parasites. We used morphology and molecular markers to investigate cryptic genetic lineages in samples identified as Simulium chumpornense Takaoka & Kuvangkadilok, 2000. We also tested the efficiency of the nuclear internal transcribed spacer 2 (ITS2) marker for the identification of species in this group. Morphological examinations revealed that S...
April 3, 2024: Acta Tropica
https://read.qxmd.com/read/38579960/infection-dissemination-and-transmission-of-lumpy-skin-disease-virus-in-aedes-aegypti-linnaeus-culex-tritaeniorhynchus-giles-and-culex-quinquefasciatus-say-mosquitoes
#9
JOURNAL ARTICLE
Elizabeth Riana, Chalida Sri-In, Tapanut Songkasupa, Lyric C Bartholomay, Aunyaratana Thontiravong, Sonthaya Tiawsirisup
Lumpy skin disease virus (LSDV) is a transboundary viral disease in cattle and water buffaloes. Although this Poxvirus is supposedly transmitted by mechanical vectors, only a few studies have investigated the role of local vectors in the transmission of LSDV. This study examined the infection, dissemination, and transmission rates of LSDV in Aedes aegypti, Culex tritaeniorhynchus, and Culex quinquefasciatus following artificial membrane feeding of 102.7 , 103.7 , 104.7 TCID50 /mL LSDV in sheep blood. The results demonstrated that these mosquito species were susceptible to LSDV, with Cx tritaeniorhynchus exhibiting significantly different characteristics from Ae...
April 3, 2024: Acta Tropica
https://read.qxmd.com/read/38565332/cervids-as-sentinels-for-rickettsia-spp-in-portugal
#10
JOURNAL ARTICLE
Barradas Pf, Abrantes Ac, Vieira E Brito N, Mesquita Jr
Cervids are highly exposed to ticks, however, their role in the life cycle of these rickettsiae has not been fully elucidated. Given the expanding distribution and growing population of deer species in Portugal, coupled with their direct and indirect interactions with humans during hunting, it becomes crucial to explore their role as sentinels and potential reservoirs of Rickettsia. The present investigation aimed to detect and evaluate exposure to Rickettsia in free-living deer from Portugal. Blood samples (n = 77) were collected from hunted game animals (red deer and fallow deer) from different areas throughout Portugal (Idanha-a-Nova, Monte Fidalgo, Montalvão and Arraiolos) and sera were tested by immunofluorescence assay, to detect antibodies...
March 31, 2024: Acta Tropica
https://read.qxmd.com/read/38565331/association-between-toxoplasma-gondii-and-gestational-diabetes-with-regard-to-serum-leptin-and-tumor-necrosis-factor-alpha-a-preliminary-study
#11
JOURNAL ARTICLE
Maryam Ansari-Lari, Nasrin Kazemipour, Elham Yaghoobi, Maliheh Masoudian
Gestational diabetes (GDM), the onset of any degree of glucose intolerance during pregnancy, increases a wide range of adverse health outcomes for both the mother and the fetus. The aim of the present study was to evaluate the association of Toxoplasma gondii infection with GDM in a case-control study with regard to the levels of leptin and tumor necrosis factor alpha (TNF-α) as two inflammatory biomarkers. Fifty-one pregnant diabetic cases and 109 controls were selected from a prenatal care clinic of a general hospital in Shiraz, southern Iran during July-November 2020...
March 31, 2024: Acta Tropica
https://read.qxmd.com/read/38554994/ready-for-renascence-in-mosquito-the-regulation-of-gene-expression-in-plasmodium-sexual-development
#12
REVIEW
Cong Liu, Jingjing Tang, Kejia Liang, Peng Liu, Zhenkui Li
Malaria remains one of the most perilous vector-borne infectious diseases for humans globally. Sexual gametocyte represents the exclusive stage at which malaria parasites are transmitted from the vertebrate to the Anopheles host. The feasible and effective approach to prevent malaria transmission is by addressing the sexual developmental processes, that is, gametocytogenesis and gametogenesis. Thus, this review will comprehensively cover advances in the regulation of gene expression surrounding the transmissible stages, including epigenetic, transcriptional, and post-transcriptional control...
March 28, 2024: Acta Tropica
https://read.qxmd.com/read/38554993/dermacentor-indocentor-auratus-supino-1897-potential-geographic-range-and-medical-and-veterinary-significance
#13
JOURNAL ARTICLE
Ernest J M Teo, Dmitry A Apanaskevich, Stephen C Barker, Ryo Nakao
Dermacentor (Indocentor) auratus Supino, 1897 occurs in many regions of Southeast Asia and South Asia. In many regions of Southeast Asia and South Asia, targeted tick sampling and subsequent screening of collected D. auratus ticks have detected pathogenic bacteria and viruses in D. auratus. These disease-causing pathogens that have been detected in D. auratus include Anaplasma, Bartonella, Borrelia, Rickettsia (including spotted fever group rickettsiae), African swine fever virus, Lanjan virus, and Kyasanur forest disease virus...
March 28, 2024: Acta Tropica
https://read.qxmd.com/read/38552997/blood-parameters-and-parasite-burden-in-cattle-with-chronic-fascioliasis
#14
JOURNAL ARTICLE
Gisela Neira, Roberto Meray Sierra, Franco Cremaschi, Noelia Sohaefer, Mariana González, Dayana Godoy, Silvana Scarcella
Fascioliasis is a trematodiasis that affects domestic and wild animals as well as humans worldwide. It is a well-recognized disease in livestock, were it produces serious economic losses. Yet in cattle, there is limited information about the burden of liver flukes and its relation to the eggs per gram shed to the environment. There is also lack of knowledge on the effect of parasite load in blood parameters of infected animals, which is important to evaluate the severity and progression of the disease. The objective of this work was to gain insight in these aspects...
March 27, 2024: Acta Tropica
https://read.qxmd.com/read/38552996/production-and-immunological-characterization-of-the-novel-single-chain-variable-fragment-scfv-antibodies-against-the-epitopes-on-opisthorchis-viverrini-cathepsin-f-ovcatf
#15
JOURNAL ARTICLE
Pongsakorn Martviset, Jeeraphong Thanongsaksrikul, Amornrat Geadkaew-Krenc, Salisa Chaimon, Kantaphon Glab-Ampai, Wanlapa Chaibangyang, Phornphan Sornchuer, Potjanee Srimanote, Jittiporn Ruangtong, Parisa Prathaphan, Tonkla Taechadamrongtham, Nattaya Torungkitmangmi, Bumpenporn Sanannam, Chadaporn Nuchjangreed Gordon, Nattaya Thongsepee, Viriya Pankao, Pathanin Chantree
BACKGROUND: Opisthorchis viverrini infection is a significant health problem in several countries, especially Southeast Asia. The infection causes acute gastro-hepatic symptoms and also long-term infection leading to carcinogenesis of an aggressive bile duct cancer (cholangiocarcinoma; CCA). Hence, the early diagnosis of O. viverrini infection could be the way out of this situation. Still, stool examination by microscopic-based methods, the current diagnostic procedure is restricted by low parasite egg numbers in the specimen and unprofessional laboratorians...
March 27, 2024: Acta Tropica
https://read.qxmd.com/read/38548212/first-confirmed-case-of-equine-pythiosis-in-northern-veracruz-mexico
#16
JOURNAL ARTICLE
Jorge Luis Chagoya-Fuentes, Jair Gaona-López, Gabriela Romina Hernández-Carbajal, Haydee Kerima Torres Guerrero, Miguel Ángel Lammoglia-Villagómez, Javier Cruz Huerta-Peña, Carlos David Pérez-Brígido, Edelmira Jácome-Sosa, Sergio Omar Nieto-Rosaliano, Rebeca Rojas-Ronquillo, Estefania Grostieta, Ingeborg Becker, Sokani Sánchez-Montes
A clinical case of an adult horse with invasive, ulcerative, proliferative, pyogranulomatous disease of the skin (tumor) in the shoulder region is presented. The mass had a granulomatous and crater-shaped appearance, with serosanguinous discharge and the presence of fistulas with caseous material. The tumor was removed by surgery and sent to the laboratory for diagnosis. Histopathology was performed using Grocott-Gomori methenamine silver stain. The presence of necrotic material, fibrosis, infiltrated cells, and brown-colored hyphae, characteristic of members of the genus Pythium, were observed...
March 26, 2024: Acta Tropica
https://read.qxmd.com/read/38531428/molecular-characterization-of-cryptosporidium-spp-and-giardia-duodenalis-in-pet-cats-in-henan-province-central-china
#17
JOURNAL ARTICLE
Liangliang Li, Yuzhen Sui, Xinmiao Li, Pengtao Song, Guizhen Chen, Hu Liu, Shoujun Zuo, Jinjie Guo, Qiong Wang, Qiyuan Sun, Hongyu Dai, Junqiang Li, Tao Zhang, Fang Liu, Longxian Zhang, Haiju Dong
Cryptosporidium spp. and G. duodenalis often infect humans, cats, and other mammals, causing diarrhea and being responsible for numerous outbreaks of waterborne and foodborne infections worldwide. The rapid increase in the number of pet cats poses a substantial public health risk. However, there were few reports about the infection of Cryptosporidium spp. and G. duodenalis infections in pet cats in Henan Province, central China. Thus, to understand the prevalence and genetic distribution of Cryptosporidium spp...
March 24, 2024: Acta Tropica
https://read.qxmd.com/read/38531427/outbreak-of-persistently-infected-heifer-calves-with-bovine-viral-diarrhea-virus-subgenotypes-1b-and-1d-in-a-bvdv-vaccinated-open-dairy-herd
#18
JOURNAL ARTICLE
Juliana Torres Tomazi Fritzen, Natalia Zaparoli Zucoloto, Elis Lorenzetti, Alice Fernandes Alfieri, Amauri Alcindo Alfieri
Bovine viral diarrhea virus (BVDV) infection has a significant economic impact on beef and dairy industries worldwide. Fetal infection with a non-cytopathic strain may lead to the birth of persistently infected (PI) offspring, which is the main event in the epidemiological chain of BVDV infection. This report describes the birth of 99 BVDV-PI heifer calves within 52 days of birth in a regular BVDV-vaccinated Brazilian dairy cattle herd and the subgenotypes of the infecting field strains. This study was conducted in a high-yielding open dairy cattle herd that frequently acquired heifers from neighboring areas for replacement...
March 24, 2024: Acta Tropica
https://read.qxmd.com/read/38522630/nanoemulsions-containing-amphotericin-b-and-paromomycin-for-the-treatment-of-cutaneous-leishmaniasis
#19
JOURNAL ARTICLE
Nicolas Fontenele Callipo Cunha, Luciana Betzler de Oliveira de Siqueira, Andreza Raposo Garcia, Igor Almeida Rodrigues, Ana Paula Dos Santos Matos, Eduardo Ricci Júnior, Mariana Sato de Souza Bustamante Monteiro
UNLABELLED: Cutaneous leishmaniasis (CL) is a vector-borne disease characterized by skin lesions that can evolve into high-magnitude ulcerated lesions. Thus, this study aimed to develop an innovative nanoemulsion (NE) with clove oil, Poloxamer® 407, and multiple drugs, such as amphotericin B (AmB) and paromomycin (PM), for use in the topical treatment of CL. METHODS: Droplet size, morphology, drug content, stability, in vitro release profile, in vitro cytotoxicity on RAW 264...
March 22, 2024: Acta Tropica
https://read.qxmd.com/read/38522629/vector-mosquito-distribution-and-richness-are-predicted-by-socio-economic-and-ecological-variables
#20
JOURNAL ARTICLE
Stephany Rodríguez-González, Mónica Izquierdo-Suzán, Maya Rocha-Ortega, Alex Córdoba-Aguilar
Mosquitoes of vectorial importance represent a ubiquitous and constant threat of potentially devastating arboviral outbreaks. Our ability to predict such outcomes is still restricted. To answer this, we have used an extensive data collection of 23 vector and 233 non-vector mosquito species distributed throughout the Mexican territory and linked them to social and environmental factors. Our aim was to predict vector and non-vector mosquitoes' distribution and species richness based on socioeconomic and environmental data...
March 22, 2024: Acta Tropica
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