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  1. Article ; Online: Zoonotic Sarcocystis.

    Rosenthal, Benjamin M

    Research in veterinary science

    2021  Volume 136, Page(s) 151–157

    Abstract: Apicomplexan species in the genus Sarcocystis form tissue cysts, in their intermediate hosts, similar to those established in chronic toxoplasmosis. More than 200 species are known, but just a few are known to threaten human health owing to infection in ... ...

    Abstract Apicomplexan species in the genus Sarcocystis form tissue cysts, in their intermediate hosts, similar to those established in chronic toxoplasmosis. More than 200 species are known, but just a few are known to threaten human health owing to infection in livestock species. Intestinal sarcocystosis occurs when people consume raw or undercooked beef contaminated with Sarcocystis hominis or S. heydorni or undercooked pork contaminated with S. suihominis. Those infections may cause mild enteritis, but most infections are thought to be asymptomatic. People also become dead-end (intermediate) hosts for non-human Sarcocystis spp. after accidentally ingesting sporocysts, leading to extraintestinal sarcocystosis. The clinical spectrum may range from asymptomatic muscle cysts to a severe, acute, eosinophilic myositis associated with systemic symptoms with peripheral eosinophilia. Most human cases have been described from Southeast Asia, but Sarcocystis parasites have a worldwide distribution, especially where livestock is raised, and human infections in other areas have been described but may be underrecognized.
    MeSH term(s) Animals ; Cattle ; Cattle Diseases/parasitology ; Humans ; Prevalence ; Red Meat/parasitology ; Sarcocystis/isolation & purification ; Sarcocystosis/epidemiology ; Sarcocystosis/parasitology ; Sarcocystosis/veterinary ; Zoonoses/epidemiology ; Zoonoses/parasitology
    Language English
    Publishing date 2021-02-19
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 840961-4
    ISSN 1532-2661 ; 0034-5288
    ISSN (online) 1532-2661
    ISSN 0034-5288
    DOI 10.1016/j.rvsc.2021.02.008
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    In stock of ZB MED Cologne/Königswinter

    Zs.B 673: Show issues Location:
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  2. Article: Zoonotic Sarcocystis

    Rosenthal, Benjamin M

    Research in veterinary science. 2021 May, v. 136

    2021  

    Abstract: Apicomplexan species in the genus Sarcocystis form tissue cysts, in their intermediate hosts, similar to those established in chronic toxoplasmosis. More than 200 species are known, but just a few are known to threaten human health owing to infection in ... ...

    Abstract Apicomplexan species in the genus Sarcocystis form tissue cysts, in their intermediate hosts, similar to those established in chronic toxoplasmosis. More than 200 species are known, but just a few are known to threaten human health owing to infection in livestock species. Intestinal sarcocystosis occurs when people consume raw or undercooked beef contaminated with Sarcocystis hominis or S. heydorni or undercooked pork contaminated with S. suihominis. Those infections may cause mild enteritis, but most infections are thought to be asymptomatic. People also become dead-end (intermediate) hosts for non-human Sarcocystis spp. after accidentally ingesting sporocysts, leading to extraintestinal sarcocystosis. The clinical spectrum may range from asymptomatic muscle cysts to a severe, acute, eosinophilic myositis associated with systemic symptoms with peripheral eosinophilia. Most human cases have been described from Southeast Asia, but Sarcocystis parasites have a worldwide distribution, especially where livestock is raised, and human infections in other areas have been described but may be underrecognized.
    Keywords Sarcocystis ; beef ; enteritis ; eosinophilia ; human health ; humans ; intestines ; livestock ; muscles ; myositis ; people ; pork ; research ; sarcocystosis ; toxoplasmosis ; veterinary medicine ; South East Asia
    Language English
    Dates of publication 2021-05
    Size p. 151-157.
    Publishing place Elsevier Ltd
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 840961-4
    ISSN 1532-2661 ; 0034-5288
    ISSN (online) 1532-2661
    ISSN 0034-5288
    DOI 10.1016/j.rvsc.2021.02.008
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  3. Article: Life Cycle and Transmission of Cyclospora cayetanensis: Knowns and Unknowns

    Dubey, Jitender P. / Khan, Asis / Rosenthal, Benjamin M.

    Microorganisms. 2022 Jan. 06, v. 10, no. 1

    2022  

    Abstract: Although infections with Cyclospora cayetanensis are prevalent worldwide, many aspects of this parasite’s life cycle and transmission remain unknown. Humans are the only known hosts of this parasite. Existing information on its endogenous development has ...

    Abstract Although infections with Cyclospora cayetanensis are prevalent worldwide, many aspects of this parasite’s life cycle and transmission remain unknown. Humans are the only known hosts of this parasite. Existing information on its endogenous development has been derived from histological examination of only a few biopsy specimens. Its asexual and sexual stages occur in biliary-intestinal epithelium. In histological sections, its stages are less than 10 μm, making definitive identification difficult. Asexual (schizonts) and sexual (gamonts) are located in epithelial cells. Male microgamonts have two flagella; female macrogametes contain wall-forming bodies. Oocysts are excreted in feces unsporulated. Sporulation occurs in the environment, but there are many unanswered questions concerning dissemination and survival of C. cayetanensis oocysts. Biologically and phylogenetically, C. cayetanensis closely resembles Eimeria spp. that parastize chickens; among them, E. acervulina most closely resembles C. cayetanensis in size. Here, we review known and unknown aspects of its life cycle and transmission and discuss the appropriateness of surrogates best capable of hastening progress in understanding its biology and developing mitigating strategies.
    Keywords Cyclospora cayetanensis ; biopsy ; epithelium ; feces ; females ; flagellum ; gametocytes ; histology ; males ; oocysts ; parasites ; phylogeny ; schizonts ; sporulation
    Language English
    Dates of publication 2022-0106
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms10010118
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  4. Article: Life Cycle and Transmission of

    Dubey, Jitender P / Khan, Asis / Rosenthal, Benjamin M

    Microorganisms

    2022  Volume 10, Issue 1

    Abstract: Although infections ... ...

    Abstract Although infections with
    Language English
    Publishing date 2022-01-06
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms10010118
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  5. Article ; Online: Assessing the evolutionary persistence of ecological relationships: A review and preview.

    Hecht, Luke B B / Thompson, Peter C / Rosenthal, Benjamin M

    Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases

    2020  Volume 84, Page(s) 104441

    Abstract: Species interactions, such as pollination, parasitism and predation, form the basis of functioning ecosystems. The origins and resilience of such interactions therefore merit attention. However, fossils only occasionally document ancient interactions, ... ...

    Abstract Species interactions, such as pollination, parasitism and predation, form the basis of functioning ecosystems. The origins and resilience of such interactions therefore merit attention. However, fossils only occasionally document ancient interactions, and phylogenetic methods are blind to recent interactions. Is there some other way to track shared species experiences? "Comparative demography" examines when pairs of species jointly thrived or declined. By forging links between ecology, epidemiology, and evolutionary biology, this method sheds light on biological adaptation, species resilience, and ecosystem health. Here, we describe how this method works, discuss examples, and suggest future directions in hopes of inspiring interest, imitators, and critics.
    MeSH term(s) Animals ; Biological Evolution ; Ecosystem ; Genomics ; Host-Parasite Interactions ; Humans
    Keywords covid19
    Language English
    Publishing date 2020-07-01
    Publishing country Netherlands
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Review
    ZDB-ID 2037068-4
    ISSN 1567-7257 ; 1567-1348
    ISSN (online) 1567-7257
    ISSN 1567-1348
    DOI 10.1016/j.meegid.2020.104441
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 5645: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  6. Article: Hastening Progress in

    Tucker, Matthew S / Khan, Asis / Jenkins, Mark C / Dubey, Jitender P / Rosenthal, Benjamin M

    Microorganisms

    2022  Volume 10, Issue 10

    Abstract: Cyclospora ... ...

    Abstract Cyclospora cayetanensis
    Language English
    Publishing date 2022-10-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms10101977
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  7. Article: RNA-Seq of Phenotypically Distinct

    Tucker, Matthew S / O'Brien, Celia N / Johnson, Alexis N / Dubey, Jitender P / Rosenthal, Benjamin M / Jenkins, Mark C

    Pathogens (Basel, Switzerland)

    2023  Volume 13, Issue 1

    Abstract: ... Strains ... ...

    Abstract Strains of
    Language English
    Publishing date 2023-12-19
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens13010002
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  8. Article ; Online: Sarcocystis cruzi

    Dubey, J P / Gupta, Aditya / de Araujo, Larissa S / Kwok, Oliver C H / Khan, Asis / Rosenthal, Benjamin M

    Parasitology

    2023  Volume 150, Issue 13, Page(s) 1192–1206

    Abstract: Currently, 7 ... ...

    Abstract Currently, 7 named
    MeSH term(s) Animals ; Cattle ; Sarcocystis ; Sarcocystosis/veterinary ; Sarcocystosis/parasitology ; Bison/genetics ; Museums ; Cattle Diseases/parasitology ; Life Cycle Stages ; DNA, Ribosomal/genetics
    Chemical Substances DNA, Ribosomal
    Language English
    Publishing date 2023-10-18
    Publishing country England
    Document type Review ; Journal Article
    ZDB-ID 207627-5
    ISSN 1469-8161 ; 0031-1820
    ISSN (online) 1469-8161
    ISSN 0031-1820
    DOI 10.1017/S003118202300094X
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    In stock of ZB MED Cologne/Königswinter

    Uh II Zs.220: Show issues Location:
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  9. Article ; Online: Dynamically expressed genes provide candidate viability biomarkers in a model coccidian.

    Tucker, Matthew S / O'Brien, Celia N / Jenkins, Mark C / Rosenthal, Benjamin M

    PloS one

    2021  Volume 16, Issue 10, Page(s) e0258157

    Abstract: Eimeria parasites cause enteric disease in livestock and the closely related Cyclospora cayetanensis causes human disease. Oocysts of these coccidian parasites undergo maturation (sporulation) before becoming infectious. Here, we assessed transcription ... ...

    Abstract Eimeria parasites cause enteric disease in livestock and the closely related Cyclospora cayetanensis causes human disease. Oocysts of these coccidian parasites undergo maturation (sporulation) before becoming infectious. Here, we assessed transcription in maturing oocysts of Eimeria acervulina, a widespread chicken parasite, predicted gene functions, and determined which of these genes also occur in C. cayetanensis. RNA-Sequencing yielded ~2 billion paired-end reads, 92% of which mapped to the E. acervulina genome. The ~6,900 annotated genes underwent temporally-coordinated patterns of gene expression. Fifty-three genes each contributed >1,000 transcripts per million (TPM) throughout the study interval, including cation-transporting ATPases, an oocyst wall protein, a palmitoyltransferase, membrane proteins, and hypothetical proteins. These genes were enriched for 285 gene ontology (GO) terms and 13 genes were ascribed to 17 KEGG pathways, defining housekeeping processes and functions important throughout sporulation. Expression differed in mature and immature oocysts for 40% (2,928) of all genes; of these, nearly two-thirds (1,843) increased their expression over time. Eight genes expressed most in immature oocysts, encoding proteins promoting oocyst maturation and development, were assigned to 37 GO terms and 5 KEGG pathways. Fifty-six genes underwent significant upregulation in mature oocysts, each contributing at least 1,000 TPM. Of these, 40 were annotated by 215 GO assignments and 9 were associated with 18 KEGG pathways, encoding products involved in respiration, carbon fixation, energy utilization, invasion, motility, and stress and detoxification responses. Sporulation orchestrates coordinated changes in the expression of many genes, most especially those governing metabolic activity. Establishing the long-term fate of these transcripts in sporulated oocysts and in senescent and deceased oocysts will further elucidate the biology of coccidian development, and may provide tools to assay infectiousness of parasite cohorts. Moreover, because many of these genes have homologues in C. cayetanensis, they may prove useful as biomarkers for risk.
    MeSH term(s) Animals ; Biomarkers/metabolism ; Chickens/genetics ; Chickens/parasitology ; Coccidia/genetics ; Coccidia/pathogenicity ; Coccidiosis/genetics ; Coccidiosis/parasitology ; Cyclospora/genetics ; Cyclospora/parasitology ; Eimeria/genetics ; Eimeria/pathogenicity ; Gene Expression Regulation/genetics ; Humans ; Livestock/parasitology ; Models, Biological
    Chemical Substances Biomarkers
    Language English
    Publishing date 2021-10-01
    Publishing country United States
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0258157
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  10. Article ; Online: Comparative demography elucidates the longevity of parasitic and symbiotic relationships.

    Hecht, Luke B B / Thompson, Peter C / Rosenthal, Benjamin M

    Proceedings. Biological sciences

    2018  Volume 285, Issue 1888

    Abstract: Parasitic and symbiotic relationships govern vast nutrient and energy flows, yet controversy surrounds their longevity. Enduring relationships may engender parallel phylogenies among hosts and parasites, but so may ephemeral relationships when parasites ... ...

    Abstract Parasitic and symbiotic relationships govern vast nutrient and energy flows, yet controversy surrounds their longevity. Enduring relationships may engender parallel phylogenies among hosts and parasites, but so may ephemeral relationships when parasites colonize related hosts. An understanding of whether symbiont and host populations have grown and contracted in concert would be useful when considering the temporal durability of these relationships. Here, we devised methods to compare demographic histories derived from genomic data. We compared the historical growth of the agent of severe human malaria,
    MeSH term(s) Animals ; Anopheles/parasitology ; Anopheles/physiology ; Demography/methods ; Dinoflagellida/physiology ; Host-Parasite Interactions ; Humans ; Mosquito Vectors/parasitology ; Mosquito Vectors/physiology ; Phytophthora infestans/physiology ; Plasmodium falciparum/physiology ; Population Growth ; Primates/physiology ; Sea Anemones/parasitology ; Solanum tuberosum/microbiology ; Solanum tuberosum/physiology ; Swine/parasitology ; Swine/physiology ; Symbiosis ; Trichinella spiralis/physiology
    Language English
    Publishing date 2018-10-03
    Publishing country England
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 209242-6
    ISSN 1471-2954 ; 0080-4649 ; 0962-8452 ; 0950-1193
    ISSN (online) 1471-2954
    ISSN 0080-4649 ; 0962-8452 ; 0950-1193
    DOI 10.1098/rspb.2018.1032
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1364: Show issues Location:
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