Search Results - "Van Schalkwyk, Antoinette"

Evidence of Intragenic Recombination in African Horse Sickness Virus by Ngoveni, Harry G, van Schalkwyk, Antoinette, Koekemoer, J J Otto

“…Intragenic recombination has been described in various RNA viruses as a mechanism to increase genetic diversity, resulting in increased virulence, expanded…”
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The Development of Dual Vaccines against Lumpy Skin Disease (LSD) and Bovine Ephemeral Fever (BEF) by Douglass, Nicola, Omar, Ruzaiq, Munyanduki, Henry, Suzuki, Akiko, de Moor, Warren, Mutowembwa, Paidamwoyo, Pretorius, Alri, Nefefe, Tshifhiwa, Schalkwyk, Antoinette van, Kara, Pravesh, Heath, Livio, Williamson, Anna-Lise

“…Dual vaccines (n = 6) against both lumpy skin disease (LSD) and bovine ephemeral fever (BEF) were constructed, based on the BEFV glycoprotein (G) gene, with or…”
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Ralstonia solanacearum Needs Flp Pili for Virulence on Potato by WAIRURI, Charles K, DER WAALS, Jacquie E. Van, SCHALKWYK, Antoinette Van, THERON, Jacques

“…Type IV pili are virulence factors in various bacteria. Several subclasses of type IV pili have been described according to the characteristics of the…”
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Genomic Characterization of Rift Valley Fever Virus, South Africa, 2018 by van Schalkwyk, Antoinette, Romito, Marco

“…An isolated Rift Valley fever (RVF) outbreak was reported in 2018 in Free State Province, South Africa. Phylogenetic analyses based on complete genome…”
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Estimating evolutionary changes between highly passaged and original parental lumpy skin disease virus strains by Van Schalkwyk, Antoinette, Byadovskaya, Olga, Shumilova, Irina, Wallace, David B., Sprygin, Alexander

“…Research into the phylogenetic relationships of lumpy skin disease virus (LSDV) strains was long overlooked, partially due to its original restricted…”
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Molecular characterization of a novel recombinant lumpy skin disease virus isolated during an outbreak in Tyumen, Russia, in 2019 by Krotova, Alena, Byadovskaya, Olga, Shumilova, Irina, Zinyakov, Nikolay, van Schalkwyk, Antoinette, Sprygin, Alexander

“…Lumpy skin disease virus causes a debilitating pox disease of domesticated cattle and water buffalos. In the last decade, LSDV has spread from Africa into the…”
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Analysis and insights into recombination signals in lumpy skin disease virus recovered in the field by Sprygin, Alexander, Babin, Yurii, Pestova, Yana, Kononova, Svetlana, Wallace, David B, Van Schalkwyk, Antoinette, Byadovskaya, Olga, Diev, Vyacheslav, Lozovoy, Dmitry, Kononov, Alexander

“…Wide spread incidences of vaccine-like strains of lumpy skin disease virus (LSDV) have recently been reported in a Russian region with a neighboring country…”
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Identification of T cell and linear B cell epitopes on African horse sickness virus serotype 4 proteins VP1-1, VP2, VP4, VP7 and NS3 by Faber, Erika, van Schalkwyk, Antoinette, Ivy Tshilwane, Selaelo, Van Kleef, Mirinda, Pretorius, Alri

“…•AHSV4 VP1, -2, -4, -7 and NS3 contain regions with CD8+ T cell epitopes.•Overlapping peptides spanning these AHSV4 proteins were synthesized.•Recall immune…”
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Overwintering of recombinant lumpy skin disease virus in northern latitudes, Russia by Shumilova, Irina, Krotova, Alena, Nesterov, Alexander, Byadovskaya, Olga, Schalkwyk, Antoinette, Sprygin, Alexander

“…Lumpy skin disease is an emerging transboundary infection demonstrating a great range expansion worldwide recently. With many knowledge gaps, there is a lack…”
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Capripoxviruses, leporipoxviruses, and orthopoxviruses: Occurrences of recombination by Sprygin, Alexander, Mazloum, Ali, van Schalkwyk, Antoinette, Babiuk, Shawn

“…Poxviruses are double-stranded DNA viruses with several members displaying restricted host ranges. They are genetically stable with low nucleotide mutation…”
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Potential link of single nucleotide polymorphisms to virulence of vaccine‐associated field strains of lumpy skin disease virus in South Africa by Schalkwyk, Antoinette, Kara, Pravesh, Ebersohn, Karen, Mather, Arshad, Annandale, Cornelius Henry, Venter, Estelle Hildegard, Wallace, David Brian

“…South Africa is endemic for lumpy skin disease and is therefore reliant on various live attenuated vaccines for the control and prevention of the disease. In…”
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An in-depth bioinformatic analysis of the novel recombinant lumpy skin disease virus strains: from unique patterns to established lineage by Krotova, Alena, Byadovskaya, Olga, Shumilova, Irina, van Schalkwyk, Antoinette, Sprygin, Alexander

“…Since the first description of lumpy skin disease virus (LSDV) in Africa in the 1920's, it has brazenly spread beyond Africa into the Middle East, Europe and…”
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Genetic characterization of sheep pox virus strains from outbreaks in Central Russia in 2018–2019 by Krotova, Alena, Shalina, Kseniya, Mazloum, Ali, Kwon, Dmitry, Van Schalkwyk, Antoinette, Byadovskaya, Olga, Sprygin, Alexander

“…This study investigates the phylogenomic relatedness between sheep pox viruses (SPPVs) circulating in Central Russia in 2018–2019 with the NISKHI vaccine…”
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Lumpy skin disease: history, current understanding and research gaps in the context of recent geographic expansion by Mazloum, Ali, Van Schalkwyk, Antoinette, Babiuk, Shawn, Venter, Estelle, Wallace, David B., Sprygin, Alexander

“…Lumpy skin disease is recognized as a transboundary and emerging disease of cattle, buffaloes and other wild ruminants. Being initially restricted to Africa,…”
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South African bovine ephemeral fever virus glycoprotein sequences are phylogenetically distinct from those from the rest of the world by Omar, Ruzaiq, Van Schalkwyk, Antoinette, Carulei, Olivia, Heath, Livio, Douglass, Nicola, Williamson, Anna-Lise

“…Bovine ephemeral fever virus (BEFV) is an economically important arbovirus affecting cattle and water buffalo. Currently, isolates can be separated into three…”
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Molecular and Epidemiological Analyses of Sheeppox Outbreaks in Russia from 2013 to 2021 by Sprygin, Alexander, Shalina, Kseniya, van Schalkwyk, Antoinette, Mazloum, Ali, Shcherbinin, Sergey, Krotova, Alena, Byadovskaya, Olga, Prokhvatilova, Larisa, Chvala, Ilya

“…Sheeppox (SPP) is a transboundary infectious disease that affects sheep and goats, leading to significant losses in countries with extensive small ruminant…”
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Widespread Reassortment Contributes to Antigenic Shift in Bluetongue Viruses from South Africa by Van Schalkwyk, Antoinette, Coetzee, Peter, Ebersohn, Karen, Von Teichman, Beate, Venter, Estelle

“…Bluetongue (BT), a viral disease of ruminants, is endemic throughout South Africa, where outbreaks of different serotypes occur. The predominant serotypes can…”
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Detection and Genome Sequencing of Lumpy Skin Disease Viruses in Wildlife Game Species in South Africa by van Schalkwyk, Antoinette, Kara, Pravesh, Last, Robert D, Romito, Marco, Wallace, David B

“…Lumpy skin disease virus (LSDV) has recently undergone rapid spread, now being reported from more than 80 countries, affecting predominantly cattle and to a…”
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Development and application of a real-time polymerase chain reaction assay to detect lumpy skin disease virus belonging to the Kenyan sheep and goat pox group by Sprygin, Alexander, Mazloum, Ali, Van Schalkwyk, Antoinette, Krotova, Alena, Bydovskaya, Olga, Prokhvatilova, Larisa, Chvala, Ilya

“…Abstract Lumpy skin disease (LSD) outbreaks in Southeast and South Asia are attributed to different lineages of LSD virus (LSDV). Variants belonging to the…”
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A Guide to Molecular Characterization of Genotype II African Swine Fever Virus: Essential and Alternative Genome Markers by Mazloum, Ali, van Schalkwyk, Antoinette, Chernyshev, Roman, Igolkin, Alexey, Heath, Livio, Sprygin, Alexander

“…African swine fever is a contagious viral disease that has been spreading through Europe and Asia since its initial report from Georgia in 2007. Due to the…”
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