Haematological and genotoxic responses in an urban adapter, the banana bat, foraging at wastewater treatment works

Naidoo, S.; Vosloo, Daléne; Schoeman, M. Corrie

doi:10.1016/j.ecoenv.2014.04.043

Cited by 37 publications

(21 citation statements)

References 53 publications

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“…Cadmium injections were linked with testicular necrosis in Rhinopoma kinneari (Dixit and Lohiya, 1974). Microscopic lesions, including hepatic necrosis, vacuolation, inflammation and atrophy, as well as renal necrosis and inflammation, were reported in Neoromicia nana feeding at wastewater treatment sites, with elevated tissue levels of iron, zinc, and copper; other studies of this population documented DNA damage and decreased antioxidant capacity (Naidoo et al, 2013(Naidoo et al, , 2015(Naidoo et al, , 2016Zocche et al, 2010). Organic tin compounds have been associated with decreased complement activity and a possible decrease in immune response in Myotis daubentonii (Lilley et al, 2013).…”

Section: Additional Toxic Diseasesmentioning

confidence: 99%

Chiroptera

Farina

Lankton

2018

Pathology of Wildlife and Zoo Animals

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FIGURE 25.2 Normal patagium, Pteropus vampyrus. The patagium consists of two thin layers of epidermis separated by collagen, vessels, and bundles of elastic fibers. FIGURE 25.1 FIGURE 25.4 Normal brain, Pteropus hypomelanus. The brain is largely lissencephalic, with rare shallow sulci. (Photo Courtesy of E. Kieran, University of Florida) FIGURE 25.5 Iron overload in the liver, Rousettus aegyptiacus. (A) Bridging fibrosis with iron overload. Abundant brown pigment is present within and at the margins of the connective tissue. (B) Abundant hemosiderin is present in macrophages at the margins of and within the fibrous connective tissue, with lesser amounts in hepatocytes, bile ducts, and Kupffer cells. Prussian blue.

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Section: Additional Toxic Diseasesmentioning

confidence: 99%

Chiroptera

Farina

Lankton

2018

Pathology of Wildlife and Zoo Animals

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“…Furthermore, bats foraging over waste water treatment facilities display increased haematocrit and DNA damage and decreased antioxidant capacity in muscle tissue compared to bats that forage over unpolluted sites. Although these effects were not lethal they may result in long-term negative effects on the health of bats (Naidoo et al 2014). These metals were probably ingested by bats via their insect prey.…”

Section: Waste Watermentioning

confidence: 99%

“…Levels of bat activity in the Negev Desert were very high over wastewater treatment ponds (Korine and Pinshow 2004), however species richness was low and the majority of the activity was attributed to Kuhl's pipistrelle (Pipistrellus kuhlii). Pilosof et al (2013) showed that sewage pollution in the Negev desert affected the immune response of Kuhl's pipistrelle and Naidoo et al (2014) reported on DNA damage to bats that forage at wastewater treatments work.…”

Section: Threats To Water Sources Used By Batsmentioning

confidence: 99%

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Bats and Water: Anthropogenic Alterations Threaten Global Bat Populations

Korine

Adams

Russo

et al. 2015

Bats in the Anthropocene: Conservation of Bats in a Changing World

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Natural bodies of open water in desert landscapes, such as springs and ephemeral pools, and the plant-life they support, are important resources for the survival of animals in hyper arid, arid and semi-arid (dryland) environments. Human-made artificial water sources, i.e. waste-water treatment ponds, catchments and reservoirs, have become equally important for wildlife in those areas. Bodies of open water are used by bats either for drinking and/or as sites over which to forage for aquatic emergent insects. Due to the scarcity of available water for replenishing water losses during roosting and flight, open bodies of water of many shapes and sizes may well be a key resource influencing the survival,

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“…The open sludge tanks of WWTW provide an excellent breeding ground for pollutant tolerant insects such as chironomid midges which, in turn, are utilised by predators such as birds and bats ( Park and Cristinacce, 2006 ). Recent studies have shown that the benefits of this abundant food source may carry physical, haematological, immunological, and molecular costs to the predators ( Naidoo et al, 2013 , 2015 ; Pilosof et al, 2014 ). However, how foraging at WWTW affects brown adipose tissue fatty acid profiles is not known.…”

Section: Introductionmentioning

confidence: 99%

Foraging at wastewater treatment works affects brown adipose tissue fatty acid profiles in banana bats

et al. 2016

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In this study we tested the hypothesis that the decrease in habitat quality at wastewater treatment works (WWTW), such as limited prey diversity and exposure to the toxic cocktail of pollutants, affect fatty acid profiles of interscapular brown adipose tissue (iBrAT) in bats. Further, the antioxidant capacity of oxidative tissues such as pectoral and cardiac muscle may not be adequate to protect those tissues against reactive molecules resulting from polyunsaturated fatty acid auto-oxidation in the WWTW bats. Bats were sampled at two urban WWTW, and two unpolluted reference sites in KwaZulu-Natal, South Africa. Brown adipose tissue (BrAT) mass was lower in WWTW bats than in reference site bats. We found lower levels of saturated phospholipid fatty acids and higher levels of mono- and polyunsaturated fatty acids in WWTW bats than in reference site bats, while C18 desaturation and n-6 to n-3 ratios were higher in the WWTW bats. This was not associated with high lipid peroxidation levels in pectoral and cardiac muscle. Combined, these results indicate that WWTW bats rely on iBrAT as an energy source, and opportunistic foraging on abundant, pollutant-tolerant prey may change fatty acid profiles in their tissue, with possible effects on mitochondrial functioning, torpor and energy usage.

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Haematological and genotoxic responses in an urban adapter, the banana bat, foraging at wastewater treatment works

Cited by 37 publications

References 53 publications

Chiroptera

Chiroptera

Bats and Water: Anthropogenic Alterations Threaten Global Bat Populations

Foraging at wastewater treatment works affects brown adipose tissue fatty acid profiles in banana bats

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