Reemerging bluetongue virus serotype 8 (BTV-8) in Germany was detected first in May 2007 in a sentinel cow and in February 2008 in an export heifer. Reemergence was confirmed by retesting the samples, experimental inoculation, fingerprinting analysis, and virus isolation. Overwintering of BTV-8 and continuous low-level infections are assumed.
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http://dx.doi.org/10.3201/eid1409.080417 | DOI Listing |
Sheng Wu Gong Cheng Xue Bao
December 2024
College of Veterinary Medicine, Southwest University, Chongqing 402460, China.
Bluetongue virus (BTV) usually infects sheep, cattle, deer and other domesticated and wild ruminants through the bite of the vector insects, , causing bluetongue (BT). BT in subtropical and even temperate regions poses a serious threat to the development and international trade of the livestock industry. This article introduced the structure and cellular invasion, and summarized the mechanisms of anti-BTV immune response of host cells and antagonism of host cell innate immune response by the non-structural proteins (e.
View Article and Find Full Text PDFJ Zoo Wildl Med
December 2024
Texas Parks and Wildlife Department, Austin, Texas, 78744 USA.
Wildlife species are routinely captured for translocation, general health monitoring, and research-based pursuits to guide wildlife management. Mule deer () were captured for various research projects and management actions in the Trans-Pecos and Panhandle regions of Texas from 2015 to 2019. The objective of this study was to develop hematologic and biochemical parameters for free-ranging mule deer in Texas and to develop a health monitoring system for current and future mule deer population management.
View Article and Find Full Text PDFBackground: Bluetongue virus serotype 3 (BTV-3) was detected for the first time in cattle and sheep in southern England in 2023, the first UK BTV incursion for more than 15 years. Clinical signs were not observed, yet severe clinical disease and mortality were reported during recent BTV-3 outbreaks in northern Europe.
Methods: To investigate the clinical disease and infection kinetics associated with this UK BTV-3 strain, five British sheep were infected with a UK BTV-3 isolate using Culicoides biting midges.
Biotechnol Notes
November 2024
Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China.
With the wide application of messenger RNA (mRNA) technology in medicine and vaccine fields, higher requirements are put forward for mRNA expression efficiency . Since the 5' cap structure can spatially protect mRNA from exonuclease degradation and enhance the initiation of translation reactions, mRNA caps are a promising option to improve the efficiency of mRNA expression . In order to obtain more efficient mRNA capping enzymes, seven mRNA capping enzymes from different viral sources were explored in this study.
View Article and Find Full Text PDFPathogens
October 2024
ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru 560064, India.
The bluetongue virus (BTV), transmitted by biting midges, poses a significant threat to livestock globally. This orbivirus induces bluetongue disease, leading to substantial economic losses in the agricultural sector. The current control measures have limitations, necessitating the development of novel, efficient vaccines.
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