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Effect of concentration gradient on spiral wave dynamics in the Belousov-Zhabotinsky reaction system.
Phys Chem Chem Phys
January 2025
Indian Institute of Technology Guwahati, Assam 781039, India.
The oscillatory Belousov-Zhabotinsky (BZ) reaction is often used for the study of rotating spiral waves that are responsible for life-threatening cardiac arrhythmia. In this work, we explore the influence of a concentration gradient on the dynamics of spiral waves in the BZ-reaction system. Using ion-exchange resin beads, we introduce a gradient of hydrogen ions in a thin layer of BZ gel hosting a spiral wave.
View Article and Find Full Text PDFThe Evolution of Wisteria Vein Mosaic Virus: A Case Study Approach to Track the Emergence of New Potyvirus Threats.
Pathogens
November 2024
Consiglio Nazionale delle Ricerche, Istituto per la Protezione Sostenibile delle Piante, Sede Secondaria di Bari, 70126 Bari, Italy.
Wisteria vein mosaic virus (WVMV, ), a virus belonging to the genus , is responsible for Wisteria vein mosaic disease (WMD), a severe disease that affects , a genus of garden plants acclaimed worldwide. Although probably originating in the Far East, WVMV infection was first reported in the US, and subsequently in numerous countries. Following the first molecular detection of an Italian isolate, WVMV Bari, its full-length genome was achieved using NGS barcoding technology.
View Article and Find Full Text PDFRedescription of Raillietiella mottae (Raillietiellidae: Pentastomida) a generalist parasite of insectivorous lizards: phenotypic plasticity revealed by molecular data.
Parasitol Res
October 2024
Departamento de Química Biológica, Programa de Pós-Graduação em Diversidade Biológica e Recursos Naturais, Universidade Regional do Cariri (URCA), Crato, Ceará, CEP 63105-000, Brazil.
Article Synopsis
- Pentastomida are lung parasites primarily found in reptiles, with the genus Raillietiella having the most species but still mostly identified through physical traits.
- The Raillietiella parasites are categorized into morphotypic groups, with differences in hook shapes among species, like sharp versus blunt tips.
- This study used molecular analysis to show that what seems like morphological differences in Raillietiella mottae is actually a phenotypic variation linked to the host species, with female size and hook shape varying based on whether the lizards are nocturnal or diurnal.
How to set up and run a Bad Bugs Bookclub group.
Access Microbiol
September 2024
Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, M1 5GD, UK.
The Bad Bugs Bookclub is a public engagement initiative that enables scientists (microbiologists) and non-scientists to discuss the role of infectious disease and microorganisms in novels of fiction. The bookclub began in 2009, but since 2020, the meetings have taken place online, enabling international membership and occasional author participation. The bookclub has been shown, through peer-reviewed publications, to have impact and value to its members.
View Article and Find Full Text PDFFirst Report of AG 4 HG-III Causing Stem Lesion of Watermelon in Idaho.
Plant Dis
August 2024
University of Idaho, Parma Research and Extension Center, 29603 u of I Lane, Parma, Idaho, United States, 83660;
In July 2022, stem lesions, approximately 4 to 5 cm in length as well as leaf wilt and dark brown necrosis on stems and roots were observed in two fields in Southwest Idaho on 20 to 30% of watermelons (Citrullus lanatus). To determine the causal agent, isolations were attempted from symptomatic tissue. The surface of the affected material was disinfected with 0.
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