• Corpus ID: 53634445

High frequency of albinism and tumors in free-living birds at 1 Chernobyl 2 3

@inproceedings{Mllera2013HighFO,
  title={High frequency of albinism and tumors in free-living birds at 1 Chernobyl 2 3},
  author={A. P. M{\o}llera and Andrea Bonisoli-Alquati and Timothy A Mousseau},
  year={2013}
}
22 The effects of radioactive contamination on the phenotype of free23 living organisms are poorly understood, mainly because of the difficulty of 24 capturing large numbers of individuals for quantifying rare events such as 25 albinism and tumors. We hypothesized that the frequency of abnormalities 26 like albinism and the frequency of radiation-induced disease like cancer 27 would increase with the level of background radiation, the two markers of 28 radiation would be positively correlated… 
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References

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ALBINISM AND PHENOTYPE OF BARN SWALLOWS (HIRUNDO RUSTICA) FROM CHERNOBYL
TLDR
Although small phenotypes were commonly associated with germline mutations, there was no general decrease in overall body size during the period 1991–2000, implying that small individuals were selected against, and differences in phenotypic variation were significantly larger in partial albinos compared to nonalbinos in males, but not in females.
Transgenerational accumulation of radiation damage in small mammals chronically exposed to Chernobyl fallout
TLDR
The authors suggest that, along with the biological damage attributable to the individual exposure of each animal, the observed cellular and systemic effects reflect the transgenerational transmission and accumulation, via genetic and/or epigenetic pathways, of damage attribute to the chronic low-dose rate exposure of the preceding generations of animals.
Fitness loss and germline mutations in barn swallows breeding in Chernobyl
TLDR
Heritability estimates indicate that mutations causing albinism were at least partly of germline origin, and evidence for an increased germline mutation rate was obtained from segregation analysis at two hypervariable microsatellite loci, indicating that mutation events in barn swallows from Chernobyl were two- to tenfold higher than in birds from control areas in Ukraine and Italy.
Determinants of interspecific variation in population declines of birds after exposure to radiation at Chernobyl
TLDR
Investigating interspecific variation in the relationship between abundance and level of radiation in breeding birds inhabiting forests around Chernobyl, Ukraine shows that species using large amounts of antioxidants will be particularly susceptible to the effects of low-level radiation.
Species richness and abundance of forest birds in relation to radiation at Chernobyl
TLDR
Standardized point counts of breeding birds at forest sites around Chernobyl indicate that the ecological effects of Chernobyl on animals are considerably greater than previously assumed.
Partial albinism and natural selection in the hooded crow Corvus corone cornix
TLDR
Experimental interchanges of eggs and hatchlings between nests indicated that the occurrence of partial albinism may be related to the feeding conditions during the nestling stage, rather than to any genetical differences.
Efficiency of bio-indicators for low-level radiation under field conditions
Malformation of True Bug (Heteroptera): a Phenotype Field Study on the Possible Influence of Artificial Low‐Level Radioactivity
TLDR
The present work supports the growing evidence that low‐level radiation, especially in the form of randomly scattered ‘hot’ α‐ and β‐particles, mainly transported via aerosols, puts a heavy burden on the biosphere in general, and on true bugs in particular.
Elevated Mortality among Birds in Chernobyl as Judged from Skewed Age and Sex Ratios
TLDR
These findings are consistent with the hypothesis that the adult survival rate of female birds is particularly susceptible to the effects of low-dose radiation, resulting in male skewed sex ratios at high levels of radiation.
Chernobyl Birds Have Smaller Brains
TLDR
Low dose radiation can have significant effects on normal brain development as reflected by brain size and therefore potentially cognitive ability, and the fact that brain size was significantly smaller in yearlings than in older individuals implies that there was significant directional selection on brain size with individuals with larger brains experiencing a viability advantage.
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