Eimeria tenella has emerged as valuable model organism for studying the biology and immunology of protozoan parasites with the establishment of the reverse genetic manipulation platform. (biomedcentral.com)
The yeast was molecularly identified as Meyerozyma guilliermondii, and its anticoccidial activity against Eimeria tenella oocysts was assessed. (biomedcentral.com)
Strategies to generate and stabilise populations of transfected Eimeria tenella are described here, together with the identification of optimal parameters for the transfection process. (ox.ac.uk)
Studies on the biology of the avian species of Eimeria are currently benefiting from the availability of a comprehensive sequence for the nuclear genome of Eimeria tenella. (ox.ac.uk)
The aim of this study was to develop and validate an ELISA for detecting chicken antibodies to Eimeria tenella. (qld.gov.au)
Discrimination between sera from birds experimentally infected with E. tenella and birds maintained in an Eimeria-free isolation facility was excellent. (qld.gov.au)
Anti-coccidial effects of the fruits of Tribulus terrestris (Tribuli fructus) ethanol extract (TTE) were studied with animal experiment following per oral administration with Eimeria ( E .) tenella . (biomedcentral.com)
Kaingu F, Liu D, Wang L, Tao J, Waihenya R, Kutima H. Anticoccidial effects of Aloe secundiflora leaf extract against Eimeria tenella in broiler chicken. (biomedcentral.com)
Lee HA, Hong S, Chung Y, Kim O. Sensitive and specific identification by polymerase chain reaction of Eimeria tenella and Eimeria maxima, important protozoan pathogens in laboratory avian facilities. (biomedcentral.com)
Stotish RL, Wang CC, Meyenhofer M. Structure and composition of the oocyst wall of Eimeria tenella. (biomedcentral.com)
Chickens infected by E. tenella , the most pathogenic Eimeria parasite, showed severe clinical symptoms, including bloody diarrhoea and dehydration. (biomedcentral.com)
The development of quantitative real-time polymerase chain reaction (PCR) assays specific to Eimeria acervulina, Eimeria maxima, Eimeria necatrix and Eimeria tenella is described and validated. (ox.ac.uk)
Coccidiosis14
Eimeria is a genus of apicomplexan parasites that includes various species capable of causing the disease coccidiosis in animals such as cattle, poultry and smaller ruminants including sheep and goats. (wikipedia.org)
The most prevalent species of Eimeria that cause coccidiosis in cattle are E. bovis, E. zuernii, and E. auburnensis. (wikipedia.org)
Avian coccidiosis is a major worldwide veterinary health challenge caused by the obligate intracellular protozoan parasites of the phylum Apicomplexa, Eimeria . (biomedcentral.com)
As the Product Manager of EVALON ® explains in this article , this new generation of adjuvanted live attenuated vaccines against coccidiosis in chickens will allow poultry veterinarians and producers to choose Eimeria Prevention using vaccination only . (eimeriaprevention.com)
Avian coccidiosis is a disease caused worldwide by several species of parasite Eimeria that causes significant economic losses. (biomedcentral.com)
Coccidiosis is a widespread disease reported in numerous vertebrate that is caused by Eimeria species and shows strict host specificity [ 1 ]. (biomedcentral.com)
Coccidiosis in chickens is a complex disease caused by one or more of several Eimeria species [ 7 ]. (biomedcentral.com)
Coccidiosis, a disease caused by protozoa of the genus Eimeria, is one of the most economically important diseases for the poultry industry. (fapesp.br)
Background technique [0002] chicken coccidiosis ( Coccidiosis ) from the genus Eimeria ( Eimeria ) of one or several species of coccidia ( Coccidium ) Simultaneously or successively parasitize the disease caused by chicken intestinal mucosal cells. (patsnap.com)
Populations of wild-type Eimeria parasites were the basis of the first live vaccines introduced around 50 years ago and the more recent introduction of safer, live-attenuated, vaccines has had a significant impact on coccidiosis control in many areas of the world. (ox.ac.uk)
Eimeria stiedae is the causative biliary hyperplasia with numerous in- demic to the United States: the highly agent of hepatic coccidiosis, a com- traepithelial coccidia, consistent with virulent F. tularensis subsp. (cdc.gov)
Avian coccidiosis is an intestinal protozoan disease caused by at least seven Eimeria species. (biomedcentral.com)
Coccidiosis, caused by protozoan parasites of the genus Eimeria, is one of the main threats for aviculture, as it causes severe hemorrhagic diarrhea and acts as a predisposing factor for necrotic enteritis, whose causative agent is Clostridium perfringens. (unibo.it)
Acervulina4
Characteristic white pinpoint-sized foci in duodenum and jejunum of chickens caused by Eimeria acervulina . (msdvetmanual.com)
Relative virulences of a drug-resistant and a drug- sensitive strain of Eimeria acervulina, a coccidium of chickens. (biomedcentral.com)
No presente estudo, sinais clínicos e alterações patológicas foram avaliados por 30 dias em frangos de corte, linhagem Cobb, machos, com dez dias de idade, infectados com Eimeria acervulina. (unesp.br)
In the present study, clinical signs and pathological changes were evaluated during 30 days in broilers, lineage Cobb, males, with ten days old, infected with Eimeria acervulina. (unesp.br)
Species19
Eimeria species are considered to be monoxenous because the life cycle is completed within a single host, and stenoxenous because they tend to be host specific, although a number of exceptions have been identified. (wikipedia.org)
Membrane glyconjugates have been proposed as potential host cell receptors for Eimeria species. (wikipedia.org)
Eimeria species have complex life-cycles consisting of three developmental stages. (biomedcentral.com)
It also provides valuable resources for future studies on Eimeria , and provides insight into the understanding of reproductive mode plasticity in different Eimeria species. (biomedcentral.com)
With the development of drug resistance in Eimeria species threatening the continued use of prophylactic anticoccidials, vaccination remains a desirable long-term strategy for combatting this disease [ 3 ]. (biomedcentral.com)
In Europe, few field surveys of Eimeria species are available and even less have been conducted using samples from broiler farms. (hipra.com)
In this study, litter samples obtained in broiler farms from Spain, Belgium, Italy and France were evaluated for the presence of the Eimeria species. (hipra.com)
In the past, the fight against the different Eimeria species was through the use of several molecules in the food. (eimeriaprevention.com)
Detection and molecular characterization of the species and genetic variants of Eimeria spp. (fapesp.br)
These variants may represent new species of Eimeria and are antigenically distinct from the seven already classified species. (fapesp.br)
Eimeria infection has a high prevalence in industrial poultry farming, and it is unlikely that a flock of intensively reared birds will not show infection by at least one species of Eimeria. (fapesp.br)
positive samples, which will be further examined by a genera-specific nested-PCR followed by next generation genetic sequencing for identification of Eimeria species and genetic variants in samples originated from broiler and laying birds from extensive, intensive, and semi-intensive farms in the state of São Paulo. (fapesp.br)
A toolbox facilitating stable transfection of Eimeria species. (ox.ac.uk)
Stable transfection of Eimeria species has been difficult to achieve because of the obligate requirement for in vivo amplification and selection of the parasites. (ox.ac.uk)
Furthermore the cross-reactivity of these antigens with sera from birds infected with chicken Eimeria species was similar. (qld.gov.au)
Development and validation of real-time polymerase chain reaction assays specific to four species of Eimeria. (ox.ac.uk)
The sensitivity of each assay allowed the consistent detection of between one and 10 parasite genomes, equivalent to between one or two sporulated oocysts or a fraction of a single mature schizont, unaffected by the presence of chicken (host) or other Eimeria species DNA. (ox.ac.uk)
The species-specific assays described here, combined with a previously published generic Eimeria species real-time PCR, provide valuable components in a "tool box" to accurately quantify the presence of specific Eimeria species in environmental or within-host phases of the lifecycle with little specialist knowledge. (ox.ac.uk)
The oocysts of what was later called Eimeria stiedai were first seen by the pioneering Dutch microscopist Antonie van Leeuwenhoek (1632-1723) in the bile of a rabbit in 1674. (wikipedia.org)
The Eimeria life cycle has an exogenous phase, during which the oocysts are excreted into the environment, and an endogenous phase, where parasite development occurs in the host intestine. (wikipedia.org)
technical field [0001] The invention relates to an industrial production method for separating and purifying Eimeria gallinarum oocysts. (patsnap.com)
Liver from a juvenile wild rabbit with numerous oval Eimeria stiedae oocysts in located in southwestern Missouri near the convoluted hyperplastic bile ducts (asterisks) and necrotizing hepatitis (arrow) by the Arkansas-Kentucky border, raises Francisella tularensis . (cdc.gov)
Three of 8 (38%) woodrats from a single site in San Diego County were found to be passing oocysts of Eimeria albigulae Levine, Ivens, and Kruidenier, 1957. (bioone.org)
Eimeria is a common genus of apicomplexan parasites that infect diverse vertebrates, most notably poultry, causing serious disease and economic losses. (biomedcentral.com)
Successful development of methods to generate and isolate stable populations of transfected Eimeria parasites will now stimulate rapid expansion of reverse genetic studies in this important coccidian. (ox.ac.uk)
The need for only small numbers of live parasites to induce effective protective immunity and the recognition that Eimeria spp. (ox.ac.uk)
The life cycle of Eimeria parasites is complex and consists of sexual and asexual stages. (biomedcentral.com)
Infection8
Anatomic drawing of the regions of the chicken gastrointestinal tract illustrating infection with Eimeria brunetti . (msdvetmanual.com)
Therefore, this study aims to determine the prevalence of infection by Eimeria spp. (fapesp.br)
Although Eimeria are effective immunogens, it is probable that to date none of the antigens that induce potent protective immune responses during the course of natural infection has been isolated. (ox.ac.uk)
and to elucidate the associated risk factors for infection with Eimeria in goats. (researchgate.net)
Infection with Eimeria leads to a decline in feed utilization efficiency and body weight gain, therefore ultimately causing serious economic losses to the commercial poultry industry. (biomedcentral.com)
The previous results suggested that drugs or biological products with the capability to inhibit the ChTLR15/NF-κB-ChNLRP3/IL-β pathway probably play a vital role in attenuating the inflammatory injury caused by Eimeria infection. (biomedcentral.com)
Thus, an in-depth exploration of inhibitors of the ChTLR15/NF-κB-ChNLRP3/IL-β signalling pathway and the effects on the attenuation of intestinal inflammatory injury caused by Eimeria infection may be a promising strategy to develop new anticoccidial preparations. (biomedcentral.com)
Oocyst2
We have recently shown that the Indoleamine 2,3-dioxygenase 1 (IDO) pathway impacts in vivo growth of Eimeria falciformis measured as oocyst output 1 . (fu-berlin.de)
The invention discloses an industrialized production method for separating and purifying a chicken eimeria coccidium oocyst. (patsnap.com)
Necatrix1
Total RNA extracted from second- (MZ-2) and third-generation merozoites (MZ-3) of Eimeria necatrix was subjected to transcriptome analysis using RNA sequencing (RNA-seq) followed by qRT-PCR validation. (biomedcentral.com)
Toxoplasma1
Due to lack of efficient in vitro tissue culture model and an effective selection marker, the technical capability for genetic modification of Eimeria has lagged behind for that of Toxoplasma and Plasmodium . (biomedcentral.com)
Parasite2
Eimeria kinsellai is an apicomplexan parasite of the genus Eimeria that infects the marsh rice rat (Oryzomys palustris). (wikipedia.org)
With its distinct biology and immunology, the Eimeria parasite also holds promise as a model organism for protozoan research. (biomedcentral.com)
Protozoan2
Recombinant Eimeria Protozoan Protein Elicits Resistance to Acute Phle" by Brian B. Gowen, Donald F. Smee et al. (usu.edu)
A protein antigen from an Eimeria protozoan has recently been reported to induce antitumor activity in mice. (usu.edu)
Infections2
Eimeria infections are particularly damaging to the poultry industry and costs the United States more than $1.5 billion in annual loses. (wikipedia.org)
Conversely, there are indications that bacteria influence the course of disease after infections with Eimeria spp. (bioone.org)
Broiler1
operational taxonomic OTUs x, y, and z, and new genetic variants of Eimeria in broiler and laying birds from extensive, semi-intensive and extensive farms in the western region of the state of Santa Catarina and northwest region of the state of São Paulo, and to perform genotypic diversity analyses of Eimeria spp. (fapesp.br)
Praecox1
HIPRACOX ® vaccine was launched in 2008 in Europe and is still today, the only vaccine for broilers with Eimeria praecox . (eimeriaprevention.com)
Apicomplexa1
Eimeria albigulae (Apicomplexa: Eimeriidae): New Host and Distributional Record from the Bryant's Woodrat, Neotoma bryanti (Rodentia: Cricetidae), from California, U.S.A. (bioone.org)
Avian1
The biology of avian Eimeria with an emphasis on their control by vaccination. (ox.ac.uk)
Prevalence and Associated Risk Factors of Eimeria spp. (researchgate.net)
This study was conducted to explore the prevalence of Eimeria spp. (researchgate.net)
Antigen1
We evaluated recombinant Eimeria antigen (rEA) as a potential immunotherapeutic agent in mouse and hamster models of acute phleboviral disease. (usu.edu)
Nevertheless, the absence of an effective gene editing system has left many questions about functions of Eimeria 's unique genes unanswered. (biomedcentral.com)
Gene3
In this study, we present experimental evidence that the CRISPR/Cas9 system is also useful for targeted gene modification in Eimeria . (biomedcentral.com)
SpCas9 was also tagged with enhanced yellow fluorescent protein (EYFP) gene for visualization of the SpCas9 expression signal in subcellular sites of Eimeria . (biomedcentral.com)
Two studies will be performed: in the first study, genera-specific PCR (gene ITS-1) will be accomplished to detect Eimeria spp. (fapesp.br)
Purification1
The sediments resulting from the purification will be submitted to screening for Eimeria spp. (fapesp.br)
Stages1
The immune responses and detailed mechanisms stimulated by Eimeria in different stages has not been very clear until now. (biomedcentral.com)
Incidence and also disease risk factors involving bovine Eimeria within Tiongkok: a deliberate assessment as well as meta-analysis. (micrornaarray.com)
Mechanisms1
This study forms a basis for deciphering the molecular mechanisms underlying the shift from the second to third generation schizogony in Eimeria . (biomedcentral.com)
Molecular1
However, the molecular basis of the Eimeria reproductive mode switch remains an enigma. (biomedcentral.com)
Found1
E. kinsellai differs from other Eimeria found in rice rats, such as Eimeria couesii, Eimeria oryzomysi, Eimeria ojastii, and E. palustris, in anatomical details. (wikipedia.org)