Skeletons contain hundreds of joints that are crucial for movement of different bones in the body. Regulatory studies of a key developmental and arthritis risk factor gene (Gdf5) have now identified a battery of distinct non-coding enhancers that control expression in particular joints, including specific joints in the head, shoulders, elbows, hips, and knees (left transgenic reporter mouse embryo), versus fingers and toes in the forelimb and hindlimb (right transgenic embryo carrying a different construct). Changes in individual joint control sequences may underlie localized evolutionary changes in vertebrate limbs, or susceptibility to arthritis in certain parts of the skeleton. See Chen, Capellini et al.
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Image Credit: Chen, Capellini et al.
Perspectives
The Rise of FXR1: Escaping Cellular Senescence in Head and Neck Squamous Cell Carcinoma
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PLOS Genetics: published November 8, 2016 | https://doi.org/10.1371/journal.pgen.1006340
Craniofacial Ciliopathies Reveal Specific Requirements for GLI Proteins during Development of the Facial Midline
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PLOS Genetics: published November 17, 2016 | https://doi.org/10.1371/journal.pgen.1006374
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PLOS Genetics: published November 17, 2016 | https://doi.org/10.1371/journal.pgen.1006401
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PLOS Genetics: published November 2, 2016 | https://doi.org/10.1371/journal.pgen.1006404
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PLOS Genetics: published November 3, 2016 | https://doi.org/10.1371/journal.pgen.1006407
Experimental Evolution Reveals Interplay between Sch9 and Polyploid Stability in Yeast
PLOS Genetics: published November 3, 2016 | https://doi.org/10.1371/journal.pgen.1006409
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PLOS Genetics: published November 7, 2016 | https://doi.org/10.1371/journal.pgen.1006414
CDC-42 Orients Cell Migration during Epithelial Intercalation in the Caenorhabditis elegans Epidermis
PLOS Genetics: published November 18, 2016 | https://doi.org/10.1371/journal.pgen.1006415
The miR165/166 Mediated Regulatory Module Plays Critical Roles in ABA Homeostasis and Response in Arabidopsis thaliana
PLOS Genetics: published November 3, 2016 | https://doi.org/10.1371/journal.pgen.1006416
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PLOS Genetics: published November 4, 2016 | https://doi.org/10.1371/journal.pgen.1006417
A Mutational Hotspot and Strong Selection Contribute to the Order of Mutations Selected for during Escherichia coli Adaptation to the Gut
PLOS Genetics: published November 3, 2016 | https://doi.org/10.1371/journal.pgen.1006420
The Genetic Architecture of Quantitative Traits Cannot Be Inferred from Variance Component Analysis
PLOS Genetics: published November 3, 2016 | https://doi.org/10.1371/journal.pgen.1006421
Intron Lariat RNA Inhibits MicroRNA Biogenesis by Sequestering the Dicing Complex in Arabidopsis
PLOS Genetics: published November 21, 2016 | https://doi.org/10.1371/journal.pgen.1006422
Survey of the Heritability and Sparse Architecture of Gene Expression Traits across Human Tissues
PLOS Genetics: published November 11, 2016 | https://doi.org/10.1371/journal.pgen.1006423
Scribbled Optimizes BMP Signaling through Its Receptor Internalization to the Rab5 Endosome and Promote Robust Epithelial Morphogenesis
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PLOS Genetics: published November 7, 2016 | https://doi.org/10.1371/journal.pgen.1006428
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PLOS Genetics: published November 9, 2016 | https://doi.org/10.1371/journal.pgen.1006429
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Prion-Associated Toxicity is Rescued by Elimination of Cotranslational Chaperones
PLOS Genetics: published November 9, 2016 | https://doi.org/10.1371/journal.pgen.1006431
MTV, an ssDNA Protecting Complex Essential for Transposon-Based Telomere Maintenance in Drosophila
PLOS Genetics: published November 11, 2016 | https://doi.org/10.1371/journal.pgen.1006435
Phosphorylation of CBP20 Links MicroRNA to Root Growth in the Ethylene Response
PLOS Genetics: published November 21, 2016 | https://doi.org/10.1371/journal.pgen.1006437
A Novel Zebrafish ret Heterozygous Model of Hirschsprung Disease Identifies a Functional Role for mapk10 as a Modifier of Enteric Nervous System Phenotype Severity
PLOS Genetics: published November 30, 2016 | https://doi.org/10.1371/journal.pgen.1006439
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PLOS Genetics: published November 17, 2016 | https://doi.org/10.1371/journal.pgen.1006440
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PLOS Genetics: published November 22, 2016 | https://doi.org/10.1371/journal.pgen.1006443
Genetically Blocking the Zebrafish Pineal Clock Affects Circadian Behavior
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Genomic Characterization of Metformin Hepatic Response
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Functional Genomic Analysis of Candida albicans Adherence Reveals a Key Role for the Arp2/3 Complex in Cell Wall Remodelling and Biofilm Formation
PLOS Genetics: published November 21, 2016 | https://doi.org/10.1371/journal.pgen.1006452
Heads, Shoulders, Elbows, Knees, and Toes: Modular Gdf5 Enhancers Control Different Joints in the Vertebrate Skeleton
PLOS Genetics: published November 30, 2016 | https://doi.org/10.1371/journal.pgen.1006454
Neuronal Ndrg4 Is Essential for Nodes of Ranvier Organization in Zebrafish
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