Acta Parasitologica最新文献

{"title":"Ectoparasites of the Critically Endangered Giant Shovelnose Ray Glaucostegus typus in the Eastern Indian Ocean, with a Summary of the Known Metazoan Parasites","authors":"Jack Ingelbrecht,&nbsp;Karissa O. Lear,&nbsp;Alan J. Lymbery,&nbsp;Rebecca L. Bateman,&nbsp;Bradley M. Norman,&nbsp;Storm B. Martin,&nbsp;Travis Fazeldean,&nbsp;David L. Morgan","doi":"10.1007/s11686-024-00918-8","DOIUrl":"10.1007/s11686-024-00918-8","url":null,"abstract":"<div><h3>Purpose</h3><p>This study examined the metazoan ectoparasites of the Critically Endangered giant shovelnose ray, <i>Glaucostegus typus</i>, in the eastern Indian Ocean.</p><h3>Methods</h3><p>We screened 186 <i>G</i>. <i>typus</i> for ectoparasites in four coastal regions of Western Australia between 2020 and 2022: the Pilbara Region, Exmouth Gulf, Ningaloo Coast and Shark Bay.</p><h3>Results</h3><p>Five parasite taxa were encountered on 186 <i>G</i>. <i>typus</i>: <i>Caligus furcisetifer</i> (Copepoda: Caligidae), <i>Dermopristis cairae</i> (Monopisthocotyla: Microbothriidae), <i>Branchellion plicobranchus</i> and <i>Stibarobdella macrothela</i> (Hirudinida: Piscicolidae), and praniza larvae of unidentified gnathiid isopod/s (Isopoda: Gnathiidae). Two of these species, <i>B. plicobranchus</i> and <i>S. macrothela</i>, are reported for the first time on <i>G. typus</i>. Only <i>C</i>. <i>furcisetifer</i> and <i>S</i>. <i>macrothela</i> were relatively common, encountered on 31% and 40% of <i>G</i>. <i>typus</i>, respectively. Gnathiids were observed infrequently, encountered on 13% of <i>G</i>. <i>typus</i>, and <i>D</i>. <i>cairae</i> and <i>B. plicobranchus</i> were scarce, encountered on 1% and 2% of <i>G</i>. <i>typus</i>, respectively. Intensity of infection for <i>C</i>. <i>furcisetifer</i> and gnathiids increased with host length. Likelihood of infection varied seasonally for <i>C. furcisetifer</i>, being considerably lower in summer, and regionally for gnathiids, being greatest at Shark Bay. Intensity and likelihood of infection for<i> S</i>. <i>macrothela</i> increased with host length and varied regionally, being greatest at Shark Bay.</p><h3>Conclusion</h3><p>These findings improve our understanding of the downstream impacts for dependent parasites that might arise should populations of <i>G</i>. <i>typus</i> continue to decline.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"1937 - 1954"},"PeriodicalIF":1.2,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11686-024-00918-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"New Insights into Leishmaniasis in Rabbits Raised in the Northeast Region of Brazil","authors":"Lórena Maciel Santos Silva,&nbsp;Camenas Vieira Barata,&nbsp;Weslania Souza Inacio da Silva,&nbsp;Manuel Benicio Oliveira Neto,&nbsp;Matheus Resende Oliveira,&nbsp;Allan Costa Gomes,&nbsp;André Mota Alves,&nbsp;Janilene de Oliveira Nascimento,&nbsp;Victor Fernando Santana Lima","doi":"10.1007/s11686-024-00922-y","DOIUrl":"10.1007/s11686-024-00922-y","url":null,"abstract":"<div><h3>Purpose</h3><p>This study aimed to investigate the occurrence of leishmaniasis in domestic rabbits (<i>Oryctolagus cuniculus</i>) in the state of Sergipe, Brazil, and to evaluate the associated clinical signs.</p><h3>Methods</h3><p>A total of 31 rabbits from urban and rural areas were clinically examined using cytological, immunological, and serological tests. Blood and cytological samples were collected and analysed for the presence of Leishmania parasites and antibodies. Immunochromatographic tests were used to screen for anti-Leishmania antibodies, and cytological analysis of skin lesions was performed to detect the presence of Leishmania amastigotes.</p><h3>Results</h3><p>Of the rabbits tested, 19.35% were reactive in the anti-Leishmania antibody screening, and 3.33% tested positive for Leishmania amastigotes in skin lesion cytology. Clinical signs included cachexia, lymphadenomegaly, dehydration, apathy, dermatitis, ophthalmopathy, and alopecia. Cytological analysis revealed pyogranulomatous inflammation with Leishmania amastigotes present. The findings suggest that leishmaniasis is present among domestic rabbits in this region</p><h3>Conclusion</h3><p>This study demonstrates the presence of leishmaniasis in domestic rabbits in the Northeast of Brazil. The findings underline the importance of early diagnosis and intervention in preventing the spread of the disease, and highlight the need for further research into the role of rabbits as potential reservoirs of Leishmania.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"1961 - 1966"},"PeriodicalIF":1.2,"publicationDate":"2024-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neurobehavioral Disorders and Pathological Changes in the Brain of Mice Are Caused by Chronic Toxocara canis Larval Invasion with Low to Moderate Inoculum","authors":"Nicol Bernardová,&nbsp;Jan Novák,&nbsp;Petr Horák,&nbsp;Chia-Kwung Fan,&nbsp;Libuše Kolářová","doi":"10.1007/s11686-024-00869-0","DOIUrl":"10.1007/s11686-024-00869-0","url":null,"abstract":"<div><p><i>Toxocara canis</i> larvae are one of the most overlooked agents of nervous system infection in paratenic hosts. Previous studies in mouse models have shown that infection with various (mainly high) numbers of larvae leads to neurobehavioral disturbances and pathological changes. Our study investigated whether the infection with low and moderate numbers of larvae could affect the physical condition, motor skills, and pathogenesis in the brains of experimentally infected mice.</p><p>Two groups of BALB/c mice were orally infected with 10 and 100 <i>T. canis</i> larvae per animal and examined regularly until the 97th week after infection. General appearance, specific antibody responses, and motor/balance skills were assessed. The number and viability of larvae in the liver, spleen, lungs, and brain were assessed by quantitative compressed biopsy technique, while the pathological changes of the brain infection were studied histologically.</p><p>As a result, changes were observed in overall appearance, activity, as well as motor and balance ability. The infections were associated with an increased IgG antibody response to the specific anti-<i>T. canis</i> excretory/secretory antigen and tissue damage in the brain characterized by necrosis, cell infiltrations, including foamy cells, and hemorrhages.</p><p>The study demonstrated the effects of low and moderate <i>T. canis</i> infection in a paratenic host during the chronic phase of infection, which lasted up to 97 weeks for the first time.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"1736 - 1748"},"PeriodicalIF":1.2,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of Tick Infection with Bartonella in China: A Review and Meta-analysis","authors":"Yuhua Wang,&nbsp;Ruishan Li,&nbsp;Ting Yin,&nbsp;Zhen He,&nbsp;Zhenhua Lu,&nbsp;Zhongjun Shao,&nbsp;Yong Long","doi":"10.1007/s11686-024-00893-0","DOIUrl":"10.1007/s11686-024-00893-0","url":null,"abstract":"<div><h3>Objective</h3><p>Bartonellosis is a global vector-borne zoonosis caused by <i>Bartonella</i>, a genus of intracellular Gram-negative bacteria. It is one of 14 emerging infectious diseases that have recently been identified in China, and the prevalence varies by region. A more in-depth understanding is needed regarding the role and influencing factors of ticks in the transmission of <i>Bartonella</i>, including the infection rate of ticks with <i>Bartonella</i> in different regions. This study explored the prevalence of <i>Bartonella</i> in ticks and the factors that influence it.</p><h3>Methods</h3><p>Databases (PubMed, Embase, Elsevier ScienceDirect, Cochrane Library, Web of Science, CNKI, VIP, CBM, and WanFang) were searched to review the preliminary research on <i>Bartonella-</i>carrying ticks in China. </p><h3>Results</h3><p>We identified and included 22 articles. <i>Bartonella</i> infection rates in ticks varied from 0 to 22.79% examined by the included studies. Our meta-analysis revealed that the prevalence of <i>Bartonella</i> in ticks was 3.15% (95% CI: 1.22 − 5.82%); the prevalence was higher in parasitic ticks (4.90%; 95% CI: 1.39 -10.14%) than ticks seeking hosts (1.42%; 95% CI: 0.62 − 2.50%) (<i>P</i> = 0.047).</p><h3>Conclusion</h3><p>The prevalence of <i>Bartonella</i> in the southern region of China (6.45%) was higher than that in the northern region (1.28%) (<i>P</i> = 0.030). Knowledge of ticks’ vectors and reservoir competence is crucial to reduce the disease burden.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"2083 - 2095"},"PeriodicalIF":1.2,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11686-024-00893-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Efficacy of d-Limonene Nanoemulsion Against Rhipicephalus Annulatus and Rhipicephalus Sanguineus Ticks","authors":"Samar M. Ibrahium,&nbsp;Abdel-Azeem S. Abdel-Baki,&nbsp;Saleh Al-Quraishy,&nbsp;Khaled M. Hassan,&nbsp;Ahmed O. Hassan,&nbsp;Mohamed Mahmoud Abdel-Rahim,&nbsp;Waleed M. Arafa,&nbsp;Shawky M. Aboelhadid,&nbsp;Sahar M. Gadelhaq","doi":"10.1007/s11686-024-00916-w","DOIUrl":"10.1007/s11686-024-00916-w","url":null,"abstract":"","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"2096 - 2096"},"PeriodicalIF":1.2,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Zingiber officinale Ameliorates Acute Toxoplasmosis-Induced Pathology in Mice","authors":"Asmaa M. El-kady,&nbsp;Hayam Elshazly,&nbsp;Muslimah N. Alsulami,&nbsp;Haleema H. Albohiri,&nbsp;Eman Abdullah Alshehri,&nbsp;Mashael S. Alfaifi,&nbsp;Khalil Mohamed,&nbsp;Majed H. Wakid,&nbsp;Hattan S. Gattan,&nbsp;Sarah A. Altwaim,&nbsp;Wafa Abdullah I. Al-Megrin,&nbsp;Ghaliah H. Almalki,&nbsp;Iman A. M. Abdel-Rahman,&nbsp;Hatem A. Elshabrawy,&nbsp;Salwa Younis","doi":"10.1007/s11686-024-00884-1","DOIUrl":"10.1007/s11686-024-00884-1","url":null,"abstract":"&lt;div&gt;&lt;h3&gt;Background&lt;/h3&gt;&lt;p&gt;&lt;i&gt;Toxoplasma gondii&lt;/i&gt; (&lt;i&gt;T. gondii&lt;/i&gt;) infects one third of the world’s population with significant illness, mainly among immunocompromised individuals and pregnant women. Treatment options for toxoplasmosis are limited which signifies the need for novel, potent, and safe therapeutic options. The goal of this study was to assess the effectiveness of the ethanolic extract of &lt;i&gt;Zingiber officinale&lt;/i&gt; (&lt;i&gt;Z. officinale&lt;/i&gt;) in treating mice infected with the RH &lt;i&gt;T. gondii&lt;/i&gt; strain.&lt;/p&gt;&lt;h3&gt;Materials and methods&lt;/h3&gt;&lt;p&gt;Gas Chromatography/Mass Spectrometry (GC/MS) was used to identify components of ethanolic extract of &lt;i&gt;Z. officinale&lt;/i&gt;. A total of 80 mice were randomly allocated into four experimental groups that contained 20 mice each. The first group was left uninfected (uninfected control), while three groups were infected with &lt;i&gt;T. gondii&lt;/i&gt; RH virulent strain tachyzoites at 2500 tachyzoites/mouse. One infected group was left untreated (infected, untreated), whereas the other two groups were treated orally with either spiramycin (positive control) or &lt;i&gt;Z. officinale&lt;/i&gt; ethanolic extract at doses of 200 mg/kg and 500 mg/kg, respectively for 5 days, starting the day of infection. Ten mice from each group were used to assess mice survival in different groups, whereas the other ten mice in each group were sacrificed on the 5th day post-infectin (dpi) to estimate the treatment efficacy by quantifying liver parasite load, liver function, nitric oxide (NO) production, and levels of antioxidant enzymes. Additionally, histopathological studies were performed to evaluate the therapeutic effect of &lt;i&gt;Z. officinale&lt;/i&gt; treatment on toxoplasmosis-induced pathological alterations in liver, brain, and spleen.&lt;/p&gt;&lt;h3&gt;Results&lt;/h3&gt;&lt;p&gt;Treatment with &lt;i&gt;Z. officinale&lt;/i&gt; ethanolic extract extended the survival of mice till 9th dpi compared to 7th dpi in infected untreated mice. Higher percentage of mice survived in &lt;i&gt;Z. officinale&lt;/i&gt;-treated group compared to spiramycin-treatment group at different time points. Liver parasite loads were significantly lower in &lt;i&gt;Z. officinale&lt;/i&gt; extract-treated mice and spiramycin-treated mice compared to infected untreated mice which correlated with significantly lower levels of serum liver enzymes (ALT, AST) and nitric oxide (NO), as well as significantly higher catalase (CAT) antioxidant enzyme activity. Scanning electron microscopy (SEM) examination of tachyzoites from the peritoneal fluid revealed marked damage in tachyzoites from &lt;i&gt;Z. officinale&lt;/i&gt;-treated group compared to that from infected untreated mice. Moreover, treatment with &lt;i&gt;Z. officinale&lt;/i&gt; ethanolic extract alleviated infection-induced pathological alterations and restored normal tissue morphology of liver, brain, and spleen.&lt;/p&gt;&lt;h3&gt;Conclusion&lt;/h3&gt;&lt;p&gt;Our results demonstrated that &lt;i&gt;Z. officinale&lt;/i&gt; treatment reduced parasite burden and reversed histopathological and biochemical alterations in acute murine toxopla","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"1785 - 1800"},"PeriodicalIF":1.2,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Colorectal Cancer Complicated with Chronic Schistosoma Japonicum Infected: A Case Report","authors":"Shan Li,&nbsp;Yuling Shen,&nbsp;Ting Li,&nbsp;Yanqing Shi","doi":"10.1007/s11686-024-00919-7","DOIUrl":"10.1007/s11686-024-00919-7","url":null,"abstract":"<div><h3>Background</h3><p>Colonic schistosomiasis is a significant health issue in endemic areas, presenting diagnostic challenges due to its nonspecific clinical symptoms and radiographic features. This case report highlights a patient with concomitant colorectal cancer and chronic <i>Schistosoma japonicum</i> infection, emphasizing the need for a comprehensive diagnostic approach.</p><h3>Case Presentation</h3><p>A 67-year-old male from an endemic region presented with a six-month history of intermittent hematochezia. Initial colonoscopy revealed multiple mucosal elevations in the sigmoid colon and rectum. Subsequent investigations, including CT scans and endoscopic ultrasonography, indicated high echogenic changes and multiple lesions. The patient underwent endoscopic submucosal dissection (ESD), revealing adenocarcinoma of the rectal mucosa and tubular adenoma in the sigmoid colon, both with extensive deposition of Schistosoma japonicum eggs. Postoperative pathology confirmed the diagnosis of moderately differentiated adenocarcinoma with chronic schistosomiasis.</p><h3>Conclusion</h3><p>This case underscores the diagnostic complexity of colonic schistosomiasis, particularly when coexisting with malignancy. The integration of colonoscopy, histopathology, and auxiliary tests is crucial for accurate diagnosis. Clinicians should maintain a high index of suspicion for schistosomiasis in patients from endemic areas presenting with gastrointestinal symptoms. Regular screening and detailed medical histories are essential for early detection and treatment, improving patient outcomes and reducing the risk of misdiagnosis.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"2064 - 2068"},"PeriodicalIF":1.2,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11686-024-00919-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular Characterization and Phylogenetic Analysis of Fasciola gigantica Based on ITS-1 Genetic Marker and copro-epidemiological Survey from Ruminants of Pakistan","authors":"Naunain Mehmood,&nbsp;Shafiah Zulfiqar,&nbsp;Hira Muqaddas,&nbsp;Muhammad Hasnain,&nbsp;Yadong Zheng,&nbsp;Habtye Bisetegn,&nbsp;Fahad Ahmed,&nbsp;Zafar Iqbal Khan,&nbsp;Furhan Iqbal","doi":"10.1007/s11686-024-00911-1","DOIUrl":"10.1007/s11686-024-00911-1","url":null,"abstract":"<div><h3>Purpose</h3><p>Fascioliasis is a zoonotic parasitic disease spread by genus <i>Fasciola</i> that causes considerable health and economic losses to both humans and livestock. Pakistan is an endemic region for fascioliasis and only a few molecular studies have been conducted to describe the etiology of disease in the country.</p><h3>Methods</h3><p>Current study involved the molecular characterization of adult fluke specimens (<i>n</i> = 31) through ITS-1 region of rDNA collected from four host species (sheep, goats, cattle and buffaloes) of district Sargodha. Moreover, coprology based epidemiology (<i>n</i> = 28620) and association of different risk factors with disease prevalence was also determined. Additionally, an overview of prevalence of fascioliasis in Pakistan, including molecular studies in the four provinces and livestock species, was also carried out.</p><h3>Results</h3><p>The phylogenetic analysis revealed that <i>Fasciola gigantica</i> was the main etiological agent infecting the livestock species of this region. The coprological survey revealed an overall prevalence of 30.18% among the livestock species (sheep = 32.31%, goats = 30.67%, cattle = 31.01%, buffaloes = 25.23%). It was inferred that females were slightly more susceptible to infection (32.59%) and that the older age group had higher infection rate (34.01%) in all the host species.</p><h3>Conclusion</h3><p>The current study suggests that fascioliasis is a disease of primary concern indicating its status as one of the prevalent diseases affecting livestock in this region. It was also concluded that both <i>Fasciola gigantica</i> and <i>Fasciola hepatica</i> existed among the infected animals in addition to presence of hybrid/intermediate form in Pakistan with <i>F. gigantica</i> as dominant species in Punjab province.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"1866 - 1875"},"PeriodicalIF":1.2,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correlating Cases of Soil-Transmitted Helminths and Remote Sensing Covariates: A Case Study Utilizing 2015, 2017, and 2019 Metadata of Camarines Sur, Philippines","authors":"John Albert C. Ricafort,&nbsp;John Benedict C. Ricafort,&nbsp;Loida M. Recopuerto-Medina,&nbsp;Nikki Heherson A. Dagamac","doi":"10.1007/s11686-024-00909-9","DOIUrl":"10.1007/s11686-024-00909-9","url":null,"abstract":"<div><h3>Introduction</h3><p>Soil-transmitted helminth (STH) is a group of helminths that are considered to be neglected tropical diseases (NTDs) and, globally, affect more than 1.5 to 2.6 million people yearly. Depending on the species, they can be acquired by ingesting embryonated eggs from contaminated matter or by skin penetration. Most species of STH are found in the tropics, such as the Philippines. Despite the Mass Drug Administration (MDA), the cases of STH infection continue to rise in the country. Surveys from the Research Institute of Tropical Medicine (RITM) indicate that a high prevalence of STH (<i>Ascaris lumbricoides, Trichuris trichiura,</i> and <i>Necator americanus</i>) was primarily observed in the provinces of the country, such as in Camarines Sur.</p><h3>Objectives</h3><p>To correlate remote sensing covariates such as Normalized Difference Vegetation Index (NDVI) and Normalized Difference Built-up Index (NDBI) - to STH-infected cases of the 37 municipalities of Camarines Sur.</p><h3>Methodology</h3><p>The available public health record of STH cases from 2015 to 2019 were calculated using the Quantum Geographic Information System (QGIS)and correlated using Pearson Correlation Coefficient.</p><h3>Results</h3><p>The results showed that infection was higher in children than adults, and <i>A. lumbricoides</i> caused 60% of infection. No correlation of indices with infection cases during 2015 and 2017 was observed; however, 2019 showed a\u0000moderate strength (p = 0.037) in correlation.</p><h3>Conclusion</h3><p>This indicates that infection relied not mainly on vegetation and urbanization but on additional environmental factors and non-environmental variables.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"1852 - 1859"},"PeriodicalIF":1.2,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142103284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bartonella rochalimae in a flea collected from a Mephitis macroura in Sonora Mexico","authors":"Adriana M. Fernández-González,&nbsp;Angel Herrera-Mares,&nbsp;Fabiola Ramírez-Corona,&nbsp;Roxana Acosta,&nbsp;Gerardo Suzán","doi":"10.1007/s11686-024-00912-0","DOIUrl":"10.1007/s11686-024-00912-0","url":null,"abstract":"<div><h3>Purpose</h3><p>At least thirty species of wild carnivores have been recorded harboring <i>Bartonella</i>, and one of the most common pathogenic species infecting them is <i>Bartonella rochalimae</i>, which can cause endocarditis in humans and dogs. This bacterium can infect various mammals including wild carnivores, as well as ectoparasitic vectors such as fleas and ticks. Here we report the presence of <i>B. rochalimae</i>, in a <i>Pulex simulans</i> flea collected from a <i>Mephitis macroura</i> skunk in the municipality of Santa Cruz in Sonora, Mexico.</p><h3>Methods</h3><p>Fleas were collected from a <i>M. macroura</i> in Sonora, Mexico, in October 2019. They were identified to species level and subsequently tested for the presence of <i>Bartonella</i> using molecular tools including conventional PCR, sequencing, and phylogenetic analysis.</p><h3>Results</h3><p>A total of 10 <i>P. simulans</i> fleas (one male, nine females) were collected from the <i>M. macroura</i> skunk. The PCR and phylogenetic analysis indicated a prevalence of 10% (1/10) and a sequence clustered with the clade of <i>B. rochalimae</i>.</p><h3>Conclusions</h3><p>We confirmed the presence of <i>B. rochalimae</i> in a <i>P. simulans</i> flea collected from a <i>M. macroura</i> skunk in the area of Santa Cruz, Sonora, Mexico. Based on our results and previous studies in northern Mexico, which are consistent, it is necessary to continue monitoring <i>Bartonella</i> in <i>M. macroura</i> skunks and their fleas, since they could be important reservoirs of this bacterium in northern Mexico.</p></div>","PeriodicalId":6932,"journal":{"name":"Acta Parasitologica","volume":"69 4","pages":"2037 - 2042"},"PeriodicalIF":1.2,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11686-024-00912-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142103283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}