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111.
In animals, mate-choice is often based on sexual signals that carry information and help the receiver make the best choice to improve the receiver’s fitness. Orange visual sexual signals have been hypothesised to carry immune information because they are often due to carotenoid pigments which are also involved in immunity response. Although many studies have focused on the direct relationships between coloration and immunocompetence, few studies have simultaneously studied immunocompetent response and coloration variation after an immune challenge. We tested this hypothesis on starved and ad libitum-fed males of the European tree frog Hyla arborea. Our results show that male coloration is not a reliable indicator of its immune response capacity in this species. However, after an immune challenge induced by a PHA (Phaseolus vulgaris phytohaemagglutinin) injection, starved males presented a significant coloration loss and this alteration was related to the immune response intensity. Taken together, these results suggest that the brighter (lighter) coloration may be used as a cue by female to exclude males with a recent immune challenge, due to diseases or parasites for example. 相似文献
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Roethlin Remo Luis Gilli Adrian Wehrli Bernhard Gilli Robin Sue Wiederhold Jan Georg Dubois Nathalie 《Environmental science and pollution research international》2022,29(57):85789-85801
Environmental Science and Pollution Research - Historical industrial activities at the Horn Richterwil, on the shore of Lake Zurich (Switzerland), caused widespread metal contamination on land and... 相似文献
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Dromard Charlotte R. Devault Damien A. Bouchon-Navaro Yolande Allénou Jean-Pierre Budzinski Hélène Cordonnier Sébastien Tapie Nathalie Reynal Lionel Lemoine Soazig Thomé Jean-Pierre Thouard Emmanuel Monti Dominique Bouchon Claude 《Environmental science and pollution research international》2022,29(1):51-60
Environmental Science and Pollution Research - The organochlorine pollution by chlordecone, an insecticide spread in the past in banana plantations, is now recognized as a major ecological,... 相似文献
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Maria Neofytou Nathalie Brison Kris Van den Bogaert Luc Dehaspe Koen Devriendt Anja Geerts Joris R. Vermeesch 《黑龙江环境通报》2018,38(2):148-150
Noninvasive prenatal testing (NIPT) can very accurately determine fetal sex during pregnancy. We present an exceptional case where NIPT contradicts the ultrasound-based sex determination. The pregnant woman was recipient of a liver transplant from a male donor. Graft-derived cell-free DNA released into the maternal circulation clouded the NIPT-based sex determination. Hence, NIPT is not advisable when the pregnant mother underwent an organ transplant. 相似文献