Výsledky vyhledávání - "Frances Orton"

Akademický článek

A review of non-destructive biomonitoring techniques to assess the impacts of pollution on reproductive health in frogs and toads

Autor: Frances Orton, Bethany Roberts-Rhodes, Catherine Whatley, Charles R. Tyler

Publikováno v: Ecotoxicology and Environmental Safety, Vol 262, Iss , Pp 115163- (2023)

In anuran amphibians (frogs and toads), evidence linking pollution to population declines is limited, in particular through impaired reproduction. Here we review the evidence for pollutant-induced alterations on reproductive endpoints in wild anurans

Externí odkaz: https://doaj.org/article/dd182599b8804d068821d2dbbcec460b

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Akademický článek

A laboratory investigation into features of morphology and physiology for their potential to predict reproductive success in male frogs.

Autor: Frances Orton, Sofie Svanholm, Erika Jansson, Ylva Carlsson, Andreas Eriksson, Tamsyn Uren Webster, Tamara McMillan, Martin Leishman, Bas Verbruggen, Theo Economou, Charles R Tyler, Cecilia Berg

Publikováno v: PLoS ONE, Vol 15, Iss 11, p e0241625 (2020)

Amphibian populations are declining globally, however, the contribution of reduced reproduction to declines is unknown. We investigated associations between morphological (weight/snout-vent length, nuptial pad colour/size, forelimb width/size) and ph

Externí odkaz: https://doaj.org/article/89fbd280a9a44f5788ff905fcb2e3884

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Laboratory-Based Comparison for the Effects of Environmental Stressors Supports Field Evidence for the Relative Importance of Pollution on Life History and Behavior of the Pond Snail, Lymnaea stagnalis

Autor: Frances Orton, Emily M. Moore, M. Glória Pereira, Mhairi E. Alexander, Katherine A. Sloman, S.A. Thacker

Publikováno v: Environmental Science & Technology. 55:8806-8816

Biodiversity is declining at an alarming rate globally, with freshwater ecosystems particularly threatened. Field-based correlational studies have “ranked” stressors according to their relative effects on freshwater biota, however, supporting cau

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43e5ce10e1e4cd85b3995f0c6670e531
https://doi.org/10.1021/acs.est.1c01640

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Do hormone-modulating chemicals impact on reproduction and development of wild amphibians?

Autor: Charles R. Tyler, Frances Orton

Publikováno v: Biological Reviews. 90:1100-1117

Globally, amphibians are undergoing a precipitous decline. At the last estimate in 2004, 32% of the approximately 6000 species were threatened with extinction and 43% were experiencing significant declines. These declines have been linked with a wide

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e6c754336a5c2281343ab645fc33391
https://doi.org/10.1111/brv.12147

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Batrachochytrium dendrobatidis infection and lethal chytridiomycosis in caecilian amphibians (Gymnophiona)

Autor: Andrew A. Cunningham, Benjamin Tapley, Trenton W. J. Garner, Marcel T. Kouete, E J Flach, Ian Stephen, Felicity Wynne, Frances Orton, Simon P. Loader, Michele Menegon, David J. Gower, Mathew C. Fisher, Hendrik Müller, Mark Wilkinson, Olivia Daniel, Robert Kenneth Browne, Thomas M. Doherty-Bone

Publikováno v: EcoHealth

Batrachochytrium dendrobatidis (Bd) is commonly termed the 'amphibian chytrid fungus' but thus far has been documented to be a pathogen of only batrachian amphibians (anurans and caudatans). It is not proven to infect the limbless generally poorly kn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a23aa2a0ac1b550b3a00ccf559ea2f5

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Effects of common pesticides on prostaglandin D2 (PGD2) inhibition in SC5 mouse sertoli cells, evidence of binding at the cox-2 active site, and implications for endocrine disruption

Autor: Andreas Kortenkamp, Sibylle Ermler, Frances Orton, Subramaniam Kugathas, Erika Rosivatz, Martin Scholze, Karine Audouze

Publikováno v: Environmental Health Perspectives

Background: There are concerns that diminished prostaglandin action in fetal life could increase the risk of congenital malformations. Many endocrine-disrupting chemicals have been found to suppress prostaglandin synthesis, but to our knowledge, pest

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca0f32d495b0da19f88ff6138ecfcc4e
https://bura.brunel.ac.uk/handle/2438/12524

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Screening breeding sites of the common toad (Bufo bufo) in England and Wales for evidence of endocrine disrupting activity

Autor: Daniel B, Pickford, Alexandra, Jones, Alejandra, Velez-Pelez, Frances, Orton, Taisen, Iguchi, Naoko, Mitsui, Osamu, Tooi

Publikováno v: Ecotoxicology and environmental safety. 117

Anuran amphibians are often present in agricultural landscapes and may therefore be exposed to chemicals in surface waters used for breeding. We used passive accumulation devices (SPMD and POCIS) to sample contaminants from nine breeding sites of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48ce2bee79f573e365625e1231339d3a
https://pubmed.ncbi.nlm.nih.gov/25817886

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Body size, nuptial pad size and hormone levels: potential non-destructive biomarkers of reproductive health in wild toads (Bufo bufo)

Autor: Trenton W. J. Garner, Amanda L. J. Duffus, Severine Larroze, Alice Baynes, Frances C. Clare, Martin Scholze, Frances Orton

Publikováno v: Ecotoxicology (London, England). 23(7)

Amphibians are declining and fertility/fecundity are major drivers of population stability. The development of non-destructive methods to assess reproductive health are needed as destructive measures are fundamentally at odds with conservation goals

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e418a99605c3485f717a5b47d78349ff
https://pubmed.ncbi.nlm.nih.gov/24935780

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