نتایج جستجو برای: prrs
تعداد نتایج: 1225 فیلتر نتایج به سال:
Pattern-triggered immunity (PTI) is activated in plants upon recognition by pattern receptors (PRRs) of damage- and microbe-associated molecular patterns (DAMPs MAMPs) derived from or microorganisms, respectively. To understand better the plant mechanisms involved perception carbohydrate-based structures recognized as DAMPs/MAMPs, we have studied ability mixed-linked β-1,3/1,4-glucans (MLGs), p...
Porcine reproductive and respiratory syndrome (PRRS) causes decreased reproductive performance in breeding animals and increased respiratory problems in growing animals, which result in significant economic losses in the swine industry. Vaccination has generally not been effective in the prevention of PRRS, partially because of the rapid mutation rate and evolution of the virus. The objective o...
Plants have the ability to detect and respond biotic stresses. They contain pattern recognition receptors (PRRs) that specifically recognize conserved molecules from their enemies activate immune responses. In this review, I discuss recent efforts discover PRRs for herbivory-associated cues originate oral secretions, eggs, damaged plant cells or secondary endogenous signals. Although several po...
Porcine reproductive and respiratory syndrome (PRRS) is a severe viral disease in pigs, causing great economic losses worldwide each year. The causative agent of the disease, PRRS virus (PRRSV), is a member of the family Arteriviridae. Here we report our investigation of the unparalleled large-scale outbreaks of an originally unknown, but so-called "high fever" disease in China in 2006 with the...
Porcine Reproductive and Respiratory Syndrome (PRRS) is a disease of major importance in the swine industry due to its economic impact and its negative effects on animal welfare. PRRS has been estimated to cost the US swine industry alone $664 million per year and impacts all stages of swine production. Current efforts to contain PRRS include biosecurity and vaccination strategies but these hav...
Ninety-six pigs from a herd naive for porcine reproductive and respiratory syndrome (PRRS) virus were weaned (10 +/- 3 d of age), penned individually in isolation rooms, and, at 29 +/- 4 d of age, oronasally inoculated with a 2-mL dose of 10(4.3) JA142 PRRS virus/ mL. Body weight; feed intake; and serum concentrations of PRRS virus, interferon, and alpha1-acylglycoprotein were determined for ea...
Infectious diseases are costly to the swine industry; porcine reproductive and respiratory syndrome (PRRS) is the most devastating. In earlier work, a quantitative trait locus associated with resistance/susceptibility to PRRS virus was identified on Sus scrofa chromosome 4 using approximately 560 experimentally infected animals from a commercial cross. The favorable genotype was associated with...
Pattern recognition receptors (PRRs) in innate immune cells play a pivotal role in the first line of host defense system. PRRs recognize pathogen-associated molecular patterns (PAMPs) or danger-associated molecular patterns (DAMPs) to initiate and regulate innate and adaptive immune responses. PRRs include Toll-like receptors (TLRs), RIG-I-like receptors (RLRs) and NOD-like receptors (NLRs), wh...
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