Project description:Global transcriptional responses in duodenal intestinal epithelia of chickens following primary and secondary Eimeria acervulina infections.

2009-05-27 | GSE16230 | GEO

Identification of Eimeria sporozoite antigens of common immunogenicity

Project description:Whole sporozoite proteins of Eimeria acervulina were prepared and analyzed by 2-dimensional gel electrophoresis (2-DE) followed by Western blotting using immune sera specific to E. tenella, E. acervulina, or E. necatrix.

2020-05-27 | PXD016418 | Pride

Transgenic Eimeria acervulina LC-MSMS

Project description:We constructed genetically modified Eimeria acervulina that expressed VP2 protein, a protective antigen from infectious bursal disease virus (IBDV), on the surface or in the microneme of sporozoites. we identified the transgenic E. acervulina expressing VP2 by RT-qPCR,LC-MSMS and Werstern Blot.

2023-10-20 | PXD046252 |

Avian duodenum tissues: primary vs. secondary E. acervulina infected

Project description:Global transcriptional responses in duodenal intestinal epithelia of chickens following primary and secondary Eimeria acervulina infections. Simple loop hybridization (day 0 vs. days 1-2, days 1-2 vs. 3-4, days 3-4 vs. 5-6, and days 5-6 vs. 7-8) per primary or secondary infections.

2010-05-18 | E-GEOD-16230 | biostudies-arrayexpress

Eimeria acervulina genome

Project description:In a collaboration between Welcome Trust Sanger Institute (WTSI), Royal Veterinary College (RVC) and King Abdullah University of Science and Technology (KAUST), we have sequenced, assembled and annotated the genome of Eimeria acervulina Houghton.

| PRJEB4832 | ENA

Coordinated and contrasting maturation of phenotypically distinct strains of Eimeria maxima

Project description:Intraspecific phenotypic variation markedly influences the damage that parasites inflict on their hosts. Such is the case for strains of Eimeria maxima, a costly enteric parasite of poultry, where strain APU-1 exhibits greater pathogenicity than APU-2. Here, we examined how these strains differ as oocysts mature to the fully-sporulated stage. We performed mi-croscopy and RNA-Sequencing on oocysts at regular intervals (6-12 hours) during sporulation. Although each strain underwent parallel development, APU-1 initially approached maturation more slowly. Each strain achieved full sporu-lation and similar transcription profiles by hour 36, after which strains appeared to diverge. These differences may in-fluence subsequent virulence. Candidate biomarkers of oocyst viability include 58 genes contributing at least 1,000 Transcripts Per Million throughout sporulation. Many genes resemble constitutively expressed genes also important to Eimeria acervulina. Mature and immature oocysts differentially express certain genes. Expression of some such bi-omarkers appears strain-specific. These data illuminate processes that may generally underlie sporulation in Eimeria and related genera, such as Cyclospora, and identify biological processes which differentiate among them. Drivers of devel-opment and senescence may provide tools to assess the viability of oocysts, which would greatly benefit the poultry industry and food safety applications.

2024-01-31 | GSE247034 | GEO

Transcription profiling of chickens infected with Eimeria maxima or mock infected and then infected with E. maxima, E. acervulina or mock infected

Project description:Eimeria are obligate intracellular protozoan parasites which can affect chickens. After exposure to Eimeria chickens establish (partial) protective immunity to the homologues strain. In this paper we investigate the process responsible for Eimeria protection. In order to find host reactions specificly involved in protection to homologous re-infection we investigated the host reactions after primary infection and a homologous or heterologous secondary infection.<br><br>Broilers were mock infected or infected with E.maxima (Max) at one week of age. Two weeks later broilers were mock infected, infected with E.maxima or E.acervulina. Oocyst output, T-cell population and cytokine mRNA expression profiles and Eimeria DNA profiles were measured 2, 4 and 7 days pi. Specific regulation of gene expression profiles was monitored by a whole genome oligo-array containing 20.673 oligoï¾´s at 8 and 24 hours pi.<br><br>

2009-08-01 | E-MEXP-1972 | biostudies-arrayexpress

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