Dynamic evolution of great ape Y chromosomes
Proceedings of the National Academy of Sciences of the United States of America, ISSN: 1091-6490, Vol: 117, Issue: 42, Page: 26273-26280
2020
- 27Citations
- 84Captures
- 11Mentions
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations27
- Citation Indexes27
- 27
- CrossRef7
- Captures84
- Readers84
- 84
- Mentions11
- News Mentions9
- News9
- Blog Mentions2
- Blog2
Most Recent News
Resolving the source of branch length variation in the Y chromosome phylogeny
Abstract Background Genetic variation in the non-recombining part of the human Y chromosome has provided important insight into the paternal history of human populations. However,
Article Description
The mammalian male-specific Y chromosome plays a critical role in sex determination and male fertility. However, because of its repetitive and haploid nature, it is frequently absent from genome assemblies and remains enigmatic. The Y chromosomes of great apes represent a particular puzzle: their gene content is more similar between human and gorilla than between human and chimpanzee, even though human and chimpanzee share a more recent common ancestor. To solve this puzzle, here we constructed a dataset including Ys from all extant great ape genera. We generated assemblies of bonobo and orangutan Ys from short and long sequencing reads and aligned them with the publicly available human, chimpanzee, and gorilla Y assemblies. Analyzing this dataset, we found that the genus Pan, which includes chimpanzee and bonobo, experienced accelerated substitution rates. Pan also exhibited elevated gene death rates. These observations are consistent with high levels of sperm competition in Pan. Furthermore, we inferred that the great ape common ancestor already possessed multicopy sequences homologous to most human and chimpanzee palindromes. Nonetheless, each species also acquired distinct ampliconic sequences. We also detected increased chromatin contacts between and within palindromes (from Hi-C data), likely facilitating gene conversion and structural rearrangements. Our results highlight the dynamic mode of Y chromosome evolution and open avenues for studies of male-specific dispersal in endangered great ape species.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85094220687&origin=inward; http://dx.doi.org/10.1073/pnas.2001749117; http://www.ncbi.nlm.nih.gov/pubmed/33020265; https://pnas.org/doi/full/10.1073/pnas.2001749117; https://dx.doi.org/10.1073/pnas.2001749117; https://www.pnas.org/content/117/42/26273
Proceedings of the National Academy of Sciences
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