ArticlePloS one2016
Genomic Inbreeding and Relatedness in Wild Panda Populations.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 39 citations in OpenAlex.
- Genomic inbreeding and population structure of northern pike (Ecology and evolution · 2021Article
- The value of genomic relationship matrices to estimate levels of inbreeding.Genetics, selection, evolution : GSE · 2021Article
- Estimating the inbreeding level and genetic relatedness in an isolated population of critically endangered Sichuan taimen (Ecology and evolution · 2020Article
- Population genetics reveals high connectivity of giant panda populations across human disturbance features in key nature reserve.Ecology and evolution · 2019Article
- Endangered Père David's deer genome provides insights into population recovering.Evolutionary applications · 2018Article
- Clipperton Atoll as a model to study small marine populations: Endemism and the genomic consequences of small population size.PloS one · 2018Article
- Reverse chemical ecology: Olfactory proteins from the giant panda and their interactions with putative pheromones and bamboo volatiles.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
- Genetic composition of captive panda population.BMC genetics · 2016Article
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Authors and funding
4 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inbreeding and relatedness in wild panda populations are important parameters for panda conservation. Habitat loss and fragmentation are expected to increase inbreeding but the actual inbreeding levels in natural panda habitats were unknown. Using 150,025 SNPs and 14,926 SNPs selected from published whole-genome sequences, we estimated genomic inbreeding coefficients and relatedness of 49 pandas including 34 wild pandas sampled from six habitats. Qinling and Liangshan pandas had the highest levels of inbreeding and relatedness measured by genomic inbreeding and coancestry coefficients, whereas the inbreeding levels in Qionglai and Minshan were 28-45% of those in Qinling and Liangshan. Genomic coancestry coefficients between pandas from different habitats showed that panda populations from the four largest habitats, Minshan, Qionglai, Qinling and Liangshan, were genetically unrelated. Pandas between these four habitats on average shared 66.0-69.1% common alleles and 45.6-48.6% common genotypes, whereas pandas within each habitat shared 71.8-77.0% common alleles and 51.7-60.4% common genotypes. Pandas in the smaller populations of Qinling and Liangshan were more similarly to each other than pandas in the larger populations of Qionglai and Minshan according to three genomic similarity measures. Panda genetic differentiation between these habitats was positively related to their geographical distances. Most pandas separated by 200 kilometers or more shared no common ancestral alleles. The results provided a genomic quantification of the actual levels of inbreeding and relatedness among pandas in their natural habitats, provided genomic confirmation of the relationship between genetic diversity and geographical distances, and provided genomic evidence to the urgency of habitat protection.
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