Erythrocytes nuclear abnormalities and leukocyte profile of the immune system of Adélie penguins ( Pygoscelis adeliae ) breeding at Edmonson Point, Ross Sea, Antarctica
作者： Silvia Olmastroni , Giulia Pompeo , Awadhesh N. Jha , Emiliano Mori , Maria Luisa Vannuccini
DOI: 10.1007/S00300-019-02522-3
关键词: Biology 、 Future studies 、 Immune system 、 Population level 、 Pygoscelis 、 Baseline data 、 Micronucleus test 、 Seasonal breeder 、 Zoology 、 Adelie penguin
摘要: Antarctic seabirds well adapted to extreme environments often deal during their life cycle with sub-optimal conditions and occasionally severe environmental stress. Climate changes, pollution, habitat loss, increasing human presence can all significantly affect organism’s health status from molecular individual up population level. In the present study, erythrocyte nuclear abnormalities (ENAs) white blood cells (WBCs) differential were investigated in 19 adults of Adelie penguin (Pygoscelisadeliae) breeding at Edmonson Point, Specially Protected Area (ASPA n. 165) Ross Sea. Micronuclei (MN) accounted for 10.50% observed erythrocytes while kidney-shaped nucleus (KSN) was most abundant (20.88%). Heterophils (HE) common WBC (36.93%) agreement generic avian leukocytes profile eosinophils (EO) lowest (7.45%). A low number lymphocytes detected resulting a higher heterophils ratio. ENAs H:L ratio are confirmed as reliable indexes penguin’s since they reflect adaptation season. These baseline data will be useful future studies indicators mainly response changes.
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