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1. A genomic timescale for placental mammal evolution

Author

Foley, Nicole M, Mason, Victor C, Harris, Andrew J, Bredemeyer, Kevin R, Damas, Joana, Lewin, Harris A, Eizirik, Eduardo, Gatesy, John, Karlsson, Elinor K, Lindblad-Toh, Kerstin, Springer, Mark S, Murphy, William J, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Birren, Bruce W, Breit, Ana M, Christmas, Matthew J, Clawson, Hiram, Di Palma, Federica, Diekhans, Mark, Dong, Michael X, Fan, Kaili, Fanter, Cornelia, Forsberg-Nilsson, Karin, Garcia, Carlos J, Gazal, Steven, Genereux, Diane P, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Hickey, Glenn, Hiller, Michael, Hindle, Allyson G, Hubley, Robert M, Hughes, Graham M, Johnson, Jeremy, Juan, David, Kaplow, Irene M, Keough, Kathleen C, Kirilenko, Bogdan, Koepfli, Klaus-Peter, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawler, Alyssa J, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Li, Xue, Lind, Abigail, Mackay-Smith, Ava, Marinescu, Voichita D, Marques-Bonet, Tomas, Meadows, Jennifer RS, Meyer, Wynn K, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Navarro, Arcadi, Nweeia, Martin, Ortmann, Sylvia, Osmanski, Austin, Paten, Benedict, Paulat, Nicole S, Pfenning, Andreas R, Phan, BaDoi N, Pollard, Katherine S, Pratt, Henry E, Ray, David A, Reilly, Steven K, Rosen, Jeb R, Ruf, Irina, Ryan, Louise, Ryder, Oliver A, Sabeti, Pardis C, Schäffer, Daniel E, Serres, Aitor, Shapiro, Beth, Smit, Arian FA, Springer, Mark, Srinivasan, Chaitanya, Steiner, Cynthia, Storer, Jessica M, Sullivan, Kevin AM, Sullivan, Patrick F, and Sundström, Elisabeth

Subjects
Genetics, Human Genome, Biotechnology, Animals, Female, Biological Evolution, Eutheria, Evolution, Molecular, Fossils, Genomics, Phylogeny, Genetic Variation, Time Factors, Zoonomia Consortium‡, General Science & Technology
Abstract

The precise pattern and timing of speciation events that gave rise to all living placental mammals remain controversial. We provide a comprehensive phylogenetic analysis of genetic variation across an alignment of 241 placental mammal genome assemblies, addressing prior concerns regarding limited genomic sampling across species. We compared neutral genome-wide phylogenomic signals using concatenation and coalescent-based approaches, interrogated phylogenetic variation across chromosomes, and analyzed extensive catalogs of structural variants. Interordinal relationships exhibit relatively low rates of phylogenomic conflict across diverse datasets and analytical methods. Conversely, X-chromosome versus autosome conflicts characterize multiple independent clades that radiated during the Cenozoic. Genomic time trees reveal an accumulation of cladogenic events before and immediately after the Cretaceous-Paleogene (K-Pg) boundary, implying important roles for Cretaceous continental vicariance and the K-Pg extinction in the placental radiation.

Published
2023

2. Comparative genomics of Balto, a famous historic dog, captures lost diversity of 1920s sled dogs

Author

Moon, Katherine L, Huson, Heather J, Morrill, Kathleen, Wang, Ming-Shan, Li, Xue, Srikanth, Krishnamoorthy, Lindblad-Toh, Kerstin, Svenson, Gavin J, Karlsson, Elinor K, Shapiro, Beth, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Birren, Bruce W, Bredemeyer, Kevin R, Breit, Ana M, Christmas, Matthew J, Clawson, Hiram, Damas, Joana, Di Palma, Federica, Diekhans, Mark, Dong, Michael X, Eizirik, Eduardo, Fan, Kaili, Fanter, Cornelia, Foley, Nicole M, Forsberg-Nilsson, Karin, Garcia, Carlos J, Gatesy, John, Gazal, Steven, Genereux, Diane P, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Harris, Andrew J, Hickey, Glenn, Hiller, Michael, Hindle, Allyson G, Hubley, Robert M, Hughes, Graham M, Johnson, Jeremy, Juan, David, Kaplow, Irene M, Keough, Kathleen C, Kirilenko, Bogdan, Koepfli, Klaus-Peter, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawler, Alyssa J, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Lewin, Harris A, Lind, Abigail, Mackay-Smith, Ava, Marinescu, Voichita D, Marques-Bonet, Tomas, Mason, Victor C, Meadows, Jennifer RS, Meyer, Wynn K, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Murphy, William J, Navarro, Arcadi, Nweeia, Martin, Ortmann, Sylvia, Osmanski, Austin, Paten, Benedict, Paulat, Nicole S, Pfenning, Andreas R, Phan, BaDoi N, Pollard, Katherine S, Pratt, Henry E, Ray, David A, Reilly, Steven K, Rosen, Jeb R, Ruf, Irina, Ryan, Louise, Ryder, Oliver A, Sabeti, Pardis C, Schäffer, Daniel E, Serres, Aitor, Smit, Arian FA, Springer, Mark, Srinivasan, Chaitanya, Steiner, Cynthia, Storer, Jessica M, Sullivan, Kevin AM, Sullivan, Patrick F, Sundström, Elisabeth, Supple, Megan A, and Swofford, Ross

Subjects
Agricultural, Veterinary and Food Sciences, Biological Sciences, Genetics, Animals, Dogs, Male, Genome, Genomics, Genotype, Phenotype, Wolves, Biodiversity, Genetic Variation, Zoonomia Consortium, General Science & Technology
Abstract

We reconstruct the phenotype of Balto, the heroic sled dog renowned for transporting diphtheria antitoxin to Nome, Alaska, in 1925, using evolutionary constraint estimates from the Zoonomia alignment of 240 mammals and 682 genomes from dogs and wolves of the 21st century. Balto shares just part of his diverse ancestry with the eponymous Siberian husky breed. Balto's genotype predicts a combination of coat features atypical for modern sled dog breeds, and a slightly smaller stature. He had enhanced starch digestion compared with Greenland sled dogs and a compendium of derived homozygous coding variants at constrained positions in genes connected to bone and skin development. We propose that Balto's population of origin, which was less inbred and genetically healthier than that of modern breeds, was adapted to the extreme environment of 1920s Alaska.

Published
2023

3. The contribution of historical processes to contemporary extinction risk in placental mammals

Author

Wilder, Aryn P, Supple, Megan A, Subramanian, Ayshwarya, Mudide, Anish, Swofford, Ross, Serres-Armero, Aitor, Steiner, Cynthia, Koepfli, Klaus-Peter, Genereux, Diane P, Karlsson, Elinor K, Lindblad-Toh, Kerstin, Marques-Bonet, Tomas, Munoz Fuentes, Violeta, Foley, Kathleen, Meyer, Wynn K, Ryder, Oliver A, Shapiro, Beth, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Birren, Bruce W, Bredemeyer, Kevin R, Breit, Ana M, Christmas, Matthew J, Clawson, Hiram, Damas, Joana, Di Palma, Federica, Diekhans, Mark, Dong, Michael X, Eizirik, Eduardo, Fan, Kaili, Fanter, Cornelia, Foley, Nicole M, Forsberg-Nilsson, Karin, Garcia, Carlos J, Gatesy, John, Gazal, Steven, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Harris, Andrew J, Hickey, Glenn, Hiller, Michael, Hindle, Allyson G, Hubley, Robert M, Hughes, Graham M, Johnson, Jeremy, Juan, David, Kaplow, Irene M, Keough, Kathleen C, Kirilenko, Bogdan, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawler, Alyssa J, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Lewin, Harris A, Li, Xue, Lind, Abigail, Mackay-Smith, Ava, Marinescu, Voichita D, Mason, Victor C, Meadows, Jennifer RS, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Murphy, William J, Navarro, Arcadi, Nweeia, Martin, Ortmann, Sylvia, Osmanski, Austin, Paten, Benedict, Paulat, Nicole S, Pfenning, Andreas R, Phan, BaDoi N, Pollard, Katherine S, Pratt, Henry E, Ray, David A, Reilly, Steven K, Rosen, Jeb R, Ruf, Irina, Ryan, Louise, Sabeti, Pardis C, Schäffer, Daniel E, Serres, Aitor, Smit, Arian FA, Springer, Mark, and Srinivasan, Chaitanya

Subjects
Biological Sciences, Evolutionary Biology, Genetics, Behavioral and Social Science, Human Genome, Basic Behavioral and Social Science, Life on Land, Animals, Female, Pregnancy, Eutheria, Extinction, Biological, Genetic Variation, Genome, Population Density, Risk, Zoonomia Consortium‡, General Science & Technology
Abstract

Species persistence can be influenced by the amount, type, and distribution of diversity across the genome, suggesting a potential relationship between historical demography and resilience. In this study, we surveyed genetic variation across single genomes of 240 mammals that compose the Zoonomia alignment to evaluate how historical effective population size (Ne) affects heterozygosity and deleterious genetic load and how these factors may contribute to extinction risk. We find that species with smaller historical Ne carry a proportionally larger burden of deleterious alleles owing to long-term accumulation and fixation of genetic load and have a higher risk of extinction. This suggests that historical demography can inform contemporary resilience. Models that included genomic data were predictive of species' conservation status, suggesting that, in the absence of adequate census or ecological data, genomic information may provide an initial risk assessment.

Published
2023

4. The functional and evolutionary impacts of human-specific deletions in conserved elements

Author

Xue, James R, Mackay-Smith, Ava, Mouri, Kousuke, Garcia, Meilin Fernandez, Dong, Michael X, Akers, Jared F, Noble, Mark, Li, Xue, Lindblad-Toh, Kerstin, Karlsson, Elinor K, Noonan, James P, Capellini, Terence D, Brennand, Kristen J, Tewhey, Ryan, Sabeti, Pardis C, Reilly, Steven K, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Birren, Bruce W, Bredemeyer, Kevin R, Breit, Ana M, Christmas, Matthew J, Clawson, Hiram, Damas, Joana, Di Palma, Federica, Diekhans, Mark, Eizirik, Eduardo, Fan, Kaili, Fanter, Cornelia, Foley, Nicole M, Forsberg-Nilsson, Karin, Garcia, Carlos J, Gatesy, John, Gazal, Steven, Genereux, Diane P, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Harris, Andrew J, Hickey, Glenn, Hiller, Michael, Hindle, Allyson G, Hubley, Robert M, Hughes, Graham M, Johnson, Jeremy, Juan, David, Kaplow, Irene M, Keough, Kathleen C, Kirilenko, Bogdan, Koepfli, Klaus-Peter, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawler, Alyssa J, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Lewin, Harris A, Lind, Abigail, Marinescu, Voichita D, Marques-Bonet, Tomas, Mason, Victor C, Meadows, Jennifer RS, Meyer, Wynn K, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Murphy, William J, Navarro, Arcadi, Nweeia, Martin, Ortmann, Sylvia, Osmanski, Austin, Paten, Benedict, Paulat, Nicole S, Pfenning, Andreas R, Phan, BaDoi N, Pollard, Katherine S, Pratt, Henry E, Ray, David A, Rosen, Jeb R, Ruf, Irina, Ryan, Louise, Ryder, Oliver A, Schäffer, Daniel E, Serres, Aitor, Shapiro, Beth, Smit, Arian FA, Springer, Mark, Srinivasan, Chaitanya, and Steiner, Cynthia

Subjects
Biological Sciences, Bioinformatics and Computational Biology, Genetics, Biotechnology, Neurosciences, Human Genome, 1.1 Normal biological development and functioning, Underpinning research, Generic health relevance, Neurological, Humans, Conserved Sequence, Evolution, Molecular, Genome, Genomics, RNA-Binding Proteins, Sequence Deletion, Brain, Gene Expression Regulation, Developmental, Zoonomia Consortium†, General Science & Technology
Abstract

Conserved genomic sequences disrupted in humans may underlie uniquely human phenotypic traits. We identified and characterized 10,032 human-specific conserved deletions (hCONDELs). These short (average 2.56 base pairs) deletions are enriched for human brain functions across genetic, epigenomic, and transcriptomic datasets. Using massively parallel reporter assays in six cell types, we discovered 800 hCONDELs conferring significant differences in regulatory activity, half of which enhance rather than disrupt regulatory function. We highlight several hCONDELs with putative human-specific effects on brain development, including HDAC5, CPEB4, and PPP2CA. Reverting an hCONDEL to the ancestral sequence alters the expression of LOXL2 and developmental genes involved in myelination and synaptic function. Our data provide a rich resource to investigate the evolutionary mechanisms driving new traits in humans and other species.

Published
2023

5. Integrating gene annotation with orthology inference at scale

Author

Kirilenko, Bogdan M, Munegowda, Chetan, Osipova, Ekaterina, Jebb, David, Sharma, Virag, Blumer, Moritz, Morales, Ariadna E, Ahmed, Alexis-Walid, Kontopoulos, Dimitrios-Georgios, Hilgers, Leon, Lindblad-Toh, Kerstin, Karlsson, Elinor K, Hiller, Michael, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Birren, Bruce W, Bredemeyer, Kevin R, Breit, Ana M, Christmas, Matthew J, Clawson, Hiram, Damas, Joana, Di Palma, Federica, Diekhans, Mark, Dong, Michael X, Eizirik, Eduardo, Fan, Kaili, Fanter, Cornelia, Foley, Nicole M, Forsberg-Nilsson, Karin, Garcia, Carlos J, Gatesy, John, Gazal, Steven, Genereux, Diane P, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Harris, Andrew J, Hickey, Glenn, Hindle, Allyson G, Hubley, Robert M, Hughes, Graham M, Johnson, Jeremy, Juan, David, Kaplow, Irene M, Keough, Kathleen C, Kirilenko, Bogdan, Koepfli, Klaus-Peter, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawler, Alyssa J, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Lewin, Harris A, Li, Xue, Lind, Abigail, Mackay-Smith, Ava, Marinescu, Voichita D, Marques-Bonet, Tomas, Mason, Victor C, Meadows, Jennifer RS, Meyer, Wynn K, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Murphy, William J, Navarro, Arcadi, Nweeia, Martin, Ortmann, Sylvia, Osmanski, Austin, Paten, Benedict, Paulat, Nicole S, Pfenning, Andreas R, Phan, BaDoi N, Pollard, Katherine S, Pratt, Henry E, Ray, David A, Reilly, Steven K, Rosen, Jeb R, Ruf, Irina, Ryan, Louise, Ryder, Oliver A, Sabeti, Pardis C, Schäffer, Daniel E, Serres, Aitor, Shapiro, Beth, Smit, Arian FA, Springer, Mark, Srinivasan, Chaitanya, Steiner, Cynthia, Storer, Jessica M, Sullivan, Kevin AM, and Sullivan, Patrick F

Subjects
Biological Sciences, Bioinformatics and Computational Biology, Genetics, Biotechnology, Human Genome, Generic health relevance, Animals, Female, Mice, Eutheria, Genome, Genomics, Molecular Sequence Annotation, Birds, Zoonomia Consortium‡, General Science & Technology
Abstract

Annotating coding genes and inferring orthologs are two classical challenges in genomics and evolutionary biology that have traditionally been approached separately, limiting scalability. We present TOGA (Tool to infer Orthologs from Genome Alignments), a method that integrates structural gene annotation and orthology inference. TOGA implements a different paradigm to infer orthologous loci, improves ortholog detection and annotation of conserved genes compared with state-of-the-art methods, and handles even highly fragmented assemblies. TOGA scales to hundreds of genomes, which we demonstrate by applying it to 488 placental mammal and 501 bird assemblies, creating the largest comparative gene resources so far. Additionally, TOGA detects gene losses, enables selection screens, and automatically provides a superior measure of mammalian genome quality. TOGA is a powerful and scalable method to annotate and compare genes in the genomic era.

Published
2023

6. Relating enhancer genetic variation across mammals to complex phenotypes using machine learning

Author

Kaplow, Irene M, Lawler, Alyssa J, Schäffer, Daniel E, Srinivasan, Chaitanya, Sestili, Heather H, Wirthlin, Morgan E, Phan, BaDoi N, Prasad, Kavya, Brown, Ashley R, Zhang, Xiaomeng, Foley, Kathleen, Genereux, Diane P, Karlsson, Elinor K, Lindblad-Toh, Kerstin, Meyer, Wynn K, Pfenning, Andreas R, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Birren, Bruce W, Bredemeyer, Kevin R, Breit, Ana M, Christmas, Matthew J, Clawson, Hiram, Damas, Joana, Di Palma, Federica, Diekhans, Mark, Dong, Michael X, Eizirik, Eduardo, Fan, Kaili, Fanter, Cornelia, Foley, Nicole M, Forsberg-Nilsson, Karin, Garcia, Carlos J, Gatesy, John, Gazal, Steven, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Harris, Andrew J, Hickey, Glenn, Hiller, Michael, Hindle, Allyson G, Hubley, Robert M, Hughes, Graham M, Johnson, Jeremy, Juan, David, Keough, Kathleen C, Kirilenko, Bogdan, Koepfli, Klaus-Peter, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Lewin, Harris A, Li, Xue, Lind, Abigail, Mackay-Smith, Ava, Marinescu, Voichita D, Marques-Bonet, Tomas, Mason, Victor C, Meadows, Jennifer RS, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Murphy, William J, Navarro, Arcadi, Nweeia, Martin, Ortmann, Sylvia, Osmanski, Austin, Paten, Benedict, Paulat, Nicole S, Pollard, Katherine S, Pratt, Henry E, Ray, David A, Reilly, Steven K, Rosen, Jeb R, Ruf, Irina, Ryan, Louise, Ryder, Oliver A, Sabeti, Pardis C, Serres, Aitor, Shapiro, Beth, Smit, Arian FA, Springer, Mark, and Steiner, Cynthia

Subjects
Biological Sciences, Genetics, Pediatric, Human Genome, Rare Diseases, Congenital Structural Anomalies, Underpinning research, 1.1 Normal biological development and functioning, Neurological, Mental health, Animals, Enhancer Elements, Genetic, Genetic Variation, Machine Learning, Mammals, Phenotype, Zoonomia Consortium**, General Science & Technology
Abstract

Protein-coding differences between species often fail to explain phenotypic diversity, suggesting the involvement of genomic elements that regulate gene expression such as enhancers. Identifying associations between enhancers and phenotypes is challenging because enhancer activity can be tissue-dependent and functionally conserved despite low sequence conservation. We developed the Tissue-Aware Conservation Inference Toolkit (TACIT) to associate candidate enhancers with species' phenotypes using predictions from machine learning models trained on specific tissues. Applying TACIT to associate motor cortex and parvalbumin-positive interneuron enhancers with neurological phenotypes revealed dozens of enhancer-phenotype associations, including brain size-associated enhancers that interact with genes implicated in microcephaly or macrocephaly. TACIT provides a foundation for identifying enhancers associated with the evolution of any convergently evolved phenotype in any large group of species with aligned genomes.

Published
2023

7. Three-dimensional genome rewiring in loci with human accelerated regions

Author

Keough, Kathleen C, Whalen, Sean, Inoue, Fumitaka, Przytycki, Pawel F, Fair, Tyler, Deng, Chengyu, Steyert, Marilyn, Ryu, Hane, Lindblad-Toh, Kerstin, Karlsson, Elinor, Nowakowski, Tomasz, Ahituv, Nadav, Pollen, Alex, Pollard, Katherine S, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Birren, Bruce W, Bredemeyer, Kevin R, Breit, Ana M, Christmas, Matthew J, Clawson, Hiram, Damas, Joana, Di Palma, Federica, Diekhans, Mark, Dong, Michael X, Eizirik, Eduardo, Fan, Kaili, Fanter, Cornelia, Foley, Nicole M, Forsberg-Nilsson, Karin, Garcia, Carlos J, Gatesy, John, Gazal, Steven, Genereux, Diane P, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Harris, Andrew J, Hickey, Glenn, Hiller, Michael, Hindle, Allyson G, Hubley, Robert M, Hughes, Graham M, Johnson, Jeremy, Juan, David, Kaplow, Irene M, Karlsson, Elinor K, Kirilenko, Bogdan, Koepfli, Klaus-Peter, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawler, Alyssa J, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Lewin, Harris A, Li, Xue, Lind, Abigail, Mackay-Smith, Ava, Marinescu, Voichita D, Marques-Bonet, Tomas, Mason, Victor C, Meadows, Jennifer RS, Meyer, Wynn K, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Murphy, William J, Navarro, Arcadi, Nweeia, Martin, Ortmann, Sylvia, Osmanski, Austin, Paten, Benedict, Paulat, Nicole S, Pfenning, Andreas R, Phan, BaDoi N, Pratt, Henry E, Ray, David A, Reilly, Steven K, Rosen, Jeb R, Ruf, Irina, Ryan, Louise, Ryder, Oliver A, Sabeti, Pardis C, Schäffer, Daniel E, Serres, Aitor, Shapiro, Beth, Smit, Arian FA, Springer, Mark, Srinivasan, Chaitanya, Steiner, Cynthia, Storer, Jessica M, and Sullivan, Kevin AM

Subjects
Biological Sciences, Bioinformatics and Computational Biology, Genetics, Stem Cell Research, Human Genome, Biotechnology, Underpinning research, 1.1 Normal biological development and functioning, Animals, Humans, Chromatin, Genome, Human, Genomics, Pan troglodytes, Genetic Loci, Neurogenesis, Deep Learning, Zoonomia Consortium§, General Science & Technology
Abstract

Human accelerated regions (HARs) are conserved genomic loci that evolved at an accelerated rate in the human lineage and may underlie human-specific traits. We generated HARs and chimpanzee accelerated regions with an automated pipeline and an alignment of 241 mammalian genomes. Combining deep learning with chromatin capture experiments in human and chimpanzee neural progenitor cells, we discovered a significant enrichment of HARs in topologically associating domains containing human-specific genomic variants that change three-dimensional (3D) genome organization. Differential gene expression between humans and chimpanzees at these loci suggests rewiring of regulatory interactions between HARs and neurodevelopmental genes. Thus, comparative genomics together with models of 3D genome folding revealed enhancer hijacking as an explanation for the rapid evolution of HARs.

Published
2023

8. Evolutionary constraint and innovation across hundreds of placental mammals

Author

Christmas, Matthew J, Kaplow, Irene M, Genereux, Diane P, Dong, Michael X, Hughes, Graham M, Li, Xue, Sullivan, Patrick F, Hindle, Allyson G, Andrews, Gregory, Armstrong, Joel C, Bianchi, Matteo, Breit, Ana M, Diekhans, Mark, Fanter, Cornelia, Foley, Nicole M, Goodman, Daniel B, Goodman, Linda, Keough, Kathleen C, Kirilenko, Bogdan, Kowalczyk, Amanda, Lawless, Colleen, Lind, Abigail L, Meadows, Jennifer RS, Moreira, Lucas R, Redlich, Ruby W, Ryan, Louise, Swofford, Ross, Valenzuela, Alejandro, Wagner, Franziska, Wallerman, Ola, Brown, Ashley R, Damas, Joana, Fan, Kaili, Gatesy, John, Grimshaw, Jenna, Johnson, Jeremy, Kozyrev, Sergey V, Lawler, Alyssa J, Marinescu, Voichita D, Morrill, Kathleen M, Osmanski, Austin, Paulat, Nicole S, Phan, BaDoi N, Reilly, Steven K, Schäffer, Daniel E, Steiner, Cynthia, Supple, Megan A, Wilder, Aryn P, Wirthlin, Morgan E, Xue, James R, Birren, Bruce W, Gazal, Steven, Hubley, Robert M, Koepfli, Klaus-Peter, Marques-Bonet, Tomas, Meyer, Wynn K, Nweeia, Martin, Sabeti, Pardis C, Shapiro, Beth, Smit, Arian FA, Springer, Mark S, Teeling, Emma C, Weng, Zhiping, Hiller, Michael, Levesque, Danielle L, Lewin, Harris A, Murphy, William J, Navarro, Arcadi, Paten, Benedict, Pollard, Katherine S, Ray, David A, Ruf, Irina, Ryder, Oliver A, Pfenning, Andreas R, Lindblad-Toh, Kerstin, Karlsson, Elinor K, Bredemeyer, Kevin R, Clawson, Hiram, Di Palma, Federica, Eizirik, Eduardo, Forsberg-Nilsson, Karin, Garcia, Carlos J, and Halsey, Michaela K

Subjects
Biological Sciences, Bioinformatics and Computational Biology, Genetics, Human Genome, Biotechnology, 2.1 Biological and endogenous factors, Generic health relevance, Animals, Female, Humans, Conserved Sequence, Eutheria, Evolution, Molecular, Genome, Human, Zoonomia Consortium§, General Science & Technology
Abstract

Zoonomia is the largest comparative genomics resource for mammals produced to date. By aligning genomes for 240 species, we identify bases that, when mutated, are likely to affect fitness and alter disease risk. At least 332 million bases (~10.7%) in the human genome are unusually conserved across species (evolutionarily constrained) relative to neutrally evolving repeats, and 4552 ultraconserved elements are nearly perfectly conserved. Of 101 million significantly constrained single bases, 80% are outside protein-coding exons and half have no functional annotations in the Encyclopedia of DNA Elements (ENCODE) resource. Changes in genes and regulatory elements are associated with exceptional mammalian traits, such as hibernation, that could inform therapeutic development. Earth's vast and imperiled biodiversity offers distinctive power for identifying genetic variants that affect genome function and organismal phenotypes.

Published
2023

9. Leveraging base-pair mammalian constraint to understand genetic variation and human disease

Author

Sullivan, Patrick F, Meadows, Jennifer RS, Gazal, Steven, Phan, BaDoi N, Li, Xue, Genereux, Diane P, Dong, Michael X, Bianchi, Matteo, Andrews, Gregory, Sakthikumar, Sharadha, Nordin, Jessika, Roy, Ananya, Christmas, Matthew J, Marinescu, Voichita D, Wang, Chao, Wallerman, Ola, Xue, James, Yao, Shuyang, Sun, Quan, Szatkiewicz, Jin, Wen, Jia, Huckins, Laura M, Lawler, Alyssa, Keough, Kathleen C, Zheng, Zhili, Zeng, Jian, Wray, Naomi R, Li, Yun, Johnson, Jessica, Chen, Jiawen, Paten, Benedict, Reilly, Steven K, Hughes, Graham M, Weng, Zhiping, Pollard, Katherine S, Pfenning, Andreas R, Forsberg-Nilsson, Karin, Karlsson, Elinor K, Lindblad-Toh, Kerstin, Armstrong, Joel C, Birren, Bruce W, Bredemeyer, Kevin R, Breit, Ana M, Clawson, Hiram, Damas, Joana, Di Palma, Federica, Diekhans, Mark, Eizirik, Eduardo, Fan, Kaili, Fanter, Cornelia, Foley, Nicole M, Garcia, Carlos J, Gatesy, John, Goodman, Linda, Grimshaw, Jenna, Halsey, Michaela K, Harris, Andrew J, Hickey, Glenn, Hiller, Michael, Hindle, Allyson G, Hubley, Robert M, Johnson, Jeremy, Juan, David, Kaplow, Irene M, Kirilenko, Bogdan, Koepfli, Klaus-Peter, Korstian, Jennifer M, Kowalczyk, Amanda, Kozyrev, Sergey V, Lawler, Alyssa J, Lawless, Colleen, Lehmann, Thomas, Levesque, Danielle L, Lewin, Harris A, Lind, Abigail, Mackay-Smith, Ava, Marques-Bonet, Tomas, Mason, Victor C, Meyer, Wynn K, Moore, Jill E, Moreira, Lucas R, Moreno-Santillan, Diana D, Morrill, Kathleen M, Muntané, Gerard, Murphy, William J, and Navarro, Arcadi

Subjects
Biological Sciences, Bioinformatics and Computational Biology, Genetics, Biotechnology, Clinical Research, Human Genome, Brain Disorders, Generic health relevance, Animals, Humans, Biological Evolution, Genetic Variation, Genome, Human, Genome-Wide Association Study, Genomics, Molecular Sequence Annotation, Polymorphism, Single Nucleotide, Disease, Zoonomia Consortium§, General Science & Technology
Abstract

Thousands of genomic regions have been associated with heritable human diseases, but attempts to elucidate biological mechanisms are impeded by an inability to discern which genomic positions are functionally important. Evolutionary constraint is a powerful predictor of function, agnostic to cell type or disease mechanism. Single-base phyloP scores from 240 mammals identified 3.3% of the human genome as significantly constrained and likely functional. We compared phyloP scores to genome annotation, association studies, copy-number variation, clinical genetics findings, and cancer data. Constrained positions are enriched for variants that explain common disease heritability more than other functional annotations. Our results improve variant annotation but also highlight that the regulatory landscape of the human genome still needs to be further explored and linked to disease.

Published
2023

10. Comparative genomics reveals insights into avian genome evolution and adaptation

Author

Zhang, Guojie, Li, Cai, Li, Qiye, Li, Bo, Larkin, Denis M, Lee, Chul, Storz, Jay F, Antunes, Agostinho, Greenwold, Matthew J, Meredith, Robert W, Ödeen, Anders, Cui, Jie, Zhou, Qi, Xu, Luohao, Pan, Hailin, Wang, Zongji, Jin, Lijun, Zhang, Pei, Hu, Haofu, Yang, Wei, Hu, Jiang, Xiao, Jin, Yang, Zhikai, Liu, Yang, Xie, Qiaolin, Yu, Hao, Lian, Jinmin, Wen, Ping, Zhang, Fang, Li, Hui, Zeng, Yongli, Xiong, Zijun, Liu, Shiping, Zhou, Long, Huang, Zhiyong, An, Na, Wang, Jie, Zheng, Qiumei, Xiong, Yingqi, Wang, Guangbiao, Wang, Bo, Wang, Jingjing, Fan, Yu, da Fonseca, Rute R, Alfaro-Núñez, Alonzo, Schubert, Mikkel, Orlando, Ludovic, Mourier, Tobias, Howard, Jason T, Ganapathy, Ganeshkumar, Pfenning, Andreas, Whitney, Osceola, Rivas, Miriam V, Hara, Erina, Smith, Julia, Farré, Marta, Narayan, Jitendra, Slavov, Gancho, Romanov, Michael N, Borges, Rui, Machado, João Paulo, Khan, Imran, Springer, Mark S, Gatesy, John, Hoffmann, Federico G, Opazo, Juan C, Håstad, Olle, Sawyer, Roger H, Kim, Heebal, Kim, Kyu-Won, Kim, Hyeon Jeong, Cho, Seoae, Li, Ning, Huang, Yinhua, Bruford, Michael W, Zhan, Xiangjiang, Dixon, Andrew, Bertelsen, Mads F, Derryberry, Elizabeth, Warren, Wesley, Wilson, Richard K, Li, Shengbin, Ray, David A, Green, Richard E, O’Brien, Stephen J, Griffin, Darren, Johnson, Warren E, Haussler, David, Ryder, Oliver A, Willerslev, Eske, Graves, Gary R, Alström, Per, Fjeldså, Jon, Mindell, David P, Edwards, Scott V, Braun, Edward L, Rahbek, Carsten, Burt, David W, Houde, Peter, and Zhang, Yong

Subjects
Human Genome, Biotechnology, Genetics, Adaptation, Physiological, Animals, Biodiversity, Biological Evolution, Birds, Conserved Sequence, Diet, Evolution, Molecular, Female, Flight, Animal, Genes, Genetic Variation, Genome, Genomics, Male, Molecular Sequence Annotation, Phylogeny, Reproduction, Selection, Genetic, Sequence Analysis, DNA, Synteny, Vision, Ocular, Vocalization, Animal, Avian Genome Consortium, General Science & Technology
Abstract

Birds are the most species-rich class of tetrapod vertebrates and have wide relevance across many research fields. We explored bird macroevolution using full genomes from 48 avian species representing all major extant clades. The avian genome is principally characterized by its constrained size, which predominantly arose because of lineage-specific erosion of repetitive elements, large segmental deletions, and gene loss. Avian genomes furthermore show a remarkably high degree of evolutionary stasis at the levels of nucleotide sequence, gene synteny, and chromosomal structure. Despite this pattern of conservation, we detected many non-neutral evolutionary changes in protein-coding genes and noncoding regions. These analyses reveal that pan-avian genomic diversity covaries with adaptations to different lifestyles and convergent evolution of traits.

Published
2014

12. Impacts of the Cretaceous Terrestrial Revolution and KPg Extinction on Mammal Diversification

Author

Meredith, Robert W., Janečka, Jan E., Gatesy, John, Ryder, Oliver A., Fisher, Colleen A., Teeling, Emma C., Goodbla, Alisha, Eizirik, Eduardo, Simão, Taiz L. L., Stadler, Tanja, Rabosky, Daniel L., Honeycutt, Rodney L., Flynn, John J., Ingram, Colleen M., Steiner, Cynthia, Williams, Tiffani L., Robinson, Terence J., Burk-Herrick, Angela, Westerman, Michael, Ayoub, Nadia A., Springer, Mark S., and Murphy, William J.

Published
2011

14. RESEARCH ARTICLE: Comparative genomics reveals insights into avian genome evolution and adaptation

Author

Zhang, Guojie, Li, Cai, Li, Qiye, Li, Bo, Larkin, Denis M., Lee, Chul, Storz, Jay F., Antunes, Agostinho, Greenwold, Matthew J., Meredith, Robert W., Ödeen, Anders, Cui, Jie, Zhou, Qi, Xu, Luohao, Pan, Hailin, Wang, Zongji, Jin, Lijun, Zhang, Pei, Hu, Haofu, Yang, Wei, Hu, Jiang, Xiao, Jin, Yang, Zhikai, Liu, Yang, Xie, Qiaolin, Yu, Hao, Lian, Jinmin, Wen, Ping, Zhang, Fang, Li, Hui, Zeng, Yongli, Xiong, Zijun, Liu, Shiping, Zhou, Long, Huang, Zhiyong, An, Na, Wang, Jie, Zheng, Qiumei, Xiong, Yingqi, Wang, Guangbiao, Wang, Bo, Wang, Jingjing, Fan, Yu, da Fonseca, Rute R., Alfaro-Núñez, Alonzo, Schubert, Mikkel, Orlando, Ludovic, Mourier, Tobias, Howard, Jason T., Ganapathy, Ganeshkumar, Pfenning, Andreas, Whitney, Osceola, Rivas, Miriam V., Hara, Erina, Smith, Julia, Farré, Marta, Narayan, Jitendra, Slavov, Gancho, Romanov, Michael N, Borges, Rui, Machado, João Paulo, Khan, Imran, Springer, Mark S., Gatesy, John, Hoffmann, Federico G., Opazo, Juan C., Håstad, Olle, Sawyer, Roger H., Kim, Heebal, Kim, Kyu-Won, Kim, Hyeon Jeong, Cho, Seoae, Li, Ning, Huang, Yinhua, Bruford, Michael W., Zhan, Xiangjiang, Dixon, Andrew, Bertelsen, Mads F., Derryberry, Elizabeth, Warren, Wesley, Wilson, Richard K, Li, Shengbin, Ray, David A., Green, Richard E., OʼBrien, Stephen J., Griffin, Darren, Johnson, Warren E., Haussler, David, Ryder, Oliver A., Willerslev, Eske, Graves, Gary R., Alström, Per, Fjeldså, Jon, Mindell, David P., Edwards, Scott V., Braun, Edward L., Rahbek, Carsten, Burt, David W., Houde, Peter, Zhang, Yong, Yang, Huanming, Wang, Jian, Consortium, Avian Genome, Jarvis, Erich D., Gilbert, M. Thomas P., and Wang, Jun

Published
2014
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