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  • 1
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    A high-resolution radiation hybrid map of the human genome draft sequence (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-22
    Description: We have constructed a physical map of the human genome by using a panel of 90 whole-genome radiation hybrids (the TNG panel) in conjunction with 40,322 sequence-tagged sites (STSs) derived from random genomic sequences as well as expressed sequences. Of 36,678 STSs on the TNG radiation hybrid map, only 3604 (9.8%) were absent from the unassembled draft sequence of the human genome. Of 20,030 STSs ordered on the TNG map as well as the assembled human genome draft sequence and the Celera assembled human genome sequence, 36% of the STSs had a discrepant order between the working draft sequence and the Celera sequence. The TNG map order was identical to one of the two sequence orders in 60% of these discrepant cases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olivier, M -- Aggarwal, A -- Allen, J -- Almendras, A A -- Bajorek, E S -- Beasley, E M -- Brady, S D -- Bushard, J M -- Bustos, V I -- Chu, A -- Chung, T R -- De Witte, A -- Denys, M E -- Dominguez, R -- Fang, N Y -- Foster, B D -- Freudenberg, R W -- Hadley, D -- Hamilton, L R -- Jeffrey, T J -- Kelly, L -- Lazzeroni, L -- Levy, M R -- Lewis, S C -- Liu, X -- Lopez, F J -- Louie, B -- Marquis, J P -- Martinez, R A -- Matsuura, M K -- Misherghi, N S -- Norton, J A -- Olshen, A -- Perkins, S M -- Perou, A J -- Piercy, C -- Piercy, M -- Qin, F -- Reif, T -- Sheppard, K -- Shokoohi, V -- Smick, G A -- Sun, W L -- Stewart, E A -- Fernando, J -- Tejeda -- Tran, N M -- Trejo, T -- Vo, N T -- Yan, S C -- Zierten, D L -- Zhao, S -- Sachidanandam, R -- Trask, B J -- Myers, R M -- Cox, D R -- R01 GM062628/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2001 Feb 16;291(5507):1298-302.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford Human Genome Center, Stanford University School of Medicine, 975 California Avenue, Palo Alto, CA 94304, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11181994" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Chromosomes, Artificial, Bacterial ; Computational Biology ; Contig Mapping ; Databases, Factual ; *Genome, Human ; Human Genome Project ; Humans ; In Situ Hybridization, Fluorescence ; Physical Chromosome Mapping ; Polymerase Chain Reaction ; *Radiation Hybrid Mapping ; *Sequence Analysis, DNA ; Sequence Tagged Sites ; Software
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Adaptive evolution of pelvic reduction in sticklebacks by recurrent deletion of a Pitx1 enhancer (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-17
    Description: The molecular mechanisms underlying major phenotypic changes that have evolved repeatedly in nature are generally unknown. Pelvic loss in different natural populations of threespine stickleback fish has occurred through regulatory mutations deleting a tissue-specific enhancer of the Pituitary homeobox transcription factor 1 (Pitx1) gene. The high prevalence of deletion mutations at Pitx1 may be influenced by inherent structural features of the locus. Although Pitx1 null mutations are lethal in laboratory animals, Pitx1 regulatory mutations show molecular signatures of positive selection in pelvic-reduced populations. These studies illustrate how major expression and morphological changes can arise from single mutational leaps in natural populations, producing new adaptive alleles via recurrent regulatory alterations in a key developmental control gene.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3109066/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3109066/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, Yingguang Frank -- Marks, Melissa E -- Jones, Felicity C -- Villarreal, Guadalupe Jr -- Shapiro, Michael D -- Brady, Shannon D -- Southwick, Audrey M -- Absher, Devin M -- Grimwood, Jane -- Schmutz, Jeremy -- Myers, Richard M -- Petrov, Dmitri -- Jonsson, Bjarni -- Schluter, Dolph -- Bell, Michael A -- Kingsley, David M -- P50 HG002568/HG/NHGRI NIH HHS/ -- P50 HG002568-09/HG/NHGRI NIH HHS/ -- P50 HG02568/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Jan 15;327(5963):302-5. doi: 10.1126/science.1182213. Epub 2009 Dec 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology and Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007865" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Biological Evolution ; Chromosome Fragile Sites ; Chromosome Mapping ; Crosses, Genetic ; DNA, Intergenic ; *Enhancer Elements, Genetic ; Fish Proteins/*genetics ; Molecular Sequence Data ; Mutation ; Paired Box Transcription Factors/*genetics ; Pelvis/anatomy & histology ; Selection, Genetic ; *Sequence Deletion ; Smegmamorpha/*anatomy & histology/*genetics/growth & development
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    The genomic basis of adaptive evolution in threespine sticklebacks (2012)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2012-04-07
    Description: Marine stickleback fish have colonized and adapted to thousands of streams and lakes formed since the last ice age, providing an exceptional opportunity to characterize genomic mechanisms underlying repeated ecological adaptation in nature. Here we develop a high-quality reference genome assembly for threespine sticklebacks. By sequencing the genomes of twenty additional individuals from a global set of marine and freshwater populations, we identify a genome-wide set of loci that are consistently associated with marine-freshwater divergence. Our results indicate that reuse of globally shared standing genetic variation, including chromosomal inversions, has an important role in repeated evolution of distinct marine and freshwater sticklebacks, and in the maintenance of divergent ecotypes during early stages of reproductive isolation. Both coding and regulatory changes occur in the set of loci underlying marine-freshwater evolution, but regulatory changes appear to predominate in this well known example of repeated adaptive evolution in nature.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3322419/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3322419/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Felicity C -- Grabherr, Manfred G -- Chan, Yingguang Frank -- Russell, Pamela -- Mauceli, Evan -- Johnson, Jeremy -- Swofford, Ross -- Pirun, Mono -- Zody, Michael C -- White, Simon -- Birney, Ewan -- Searle, Stephen -- Schmutz, Jeremy -- Grimwood, Jane -- Dickson, Mark C -- Myers, Richard M -- Miller, Craig T -- Summers, Brian R -- Knecht, Anne K -- Brady, Shannon D -- Zhang, Haili -- Pollen, Alex A -- Howes, Timothy -- Amemiya, Chris -- Broad Institute Genome Sequencing Platform & Whole Genome Assembly Team -- Baldwin, Jen -- Bloom, Toby -- Jaffe, David B -- Nicol, Robert -- Wilkinson, Jane -- Lander, Eric S -- Di Palma, Federica -- Lindblad-Toh, Kerstin -- Kingsley, David M -- 095908/Wellcome Trust/United Kingdom -- P50 HG002568/HG/NHGRI NIH HHS/ -- P50 HG002568-09/HG/NHGRI NIH HHS/ -- P50 HG002568-09S1/HG/NHGRI NIH HHS/ -- P50-HG002568/HG/NHGRI NIH HHS/ -- R01 HG003474/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Apr 4;484(7392):55-61. doi: 10.1038/nature10944.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Beckman Center B300, Stanford University School of Medicine, Stanford California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22481358" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological/*genetics ; Alaska ; Animals ; Aquatic Organisms/genetics ; *Biological Evolution ; Chromosome Inversion/genetics ; Chromosomes/genetics ; Conserved Sequence/genetics ; Ecotype ; Female ; Fresh Water ; Genetic Variation/genetics ; Genome/*genetics ; Genomics ; Molecular Sequence Data ; Seawater ; Sequence Analysis, DNA ; Smegmamorpha/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    Natural product discovery using DNA sequence tags [Microbiology] (2015)
    National Academy of Sciences
    Details
    Publication Date: 2015-04-08
    Description: In molecular evolutionary analyses, short DNA sequences are used to infer phylogenetic relationships among species. Here we apply this principle to the study of bacterial biosynthesis, enabling the targeted isolation of previously unidentified natural products directly from complex metagenomes. Our approach uses short natural product sequence tags derived from conserved...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 5
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    Genetic Architecture of Variation in the Lateral Line Sensory System of Threespine Sticklebacks (2012)
    Genetics Society of America (GSA)
    Details
    Publication Date: 2012-09-06
    Description: Vertebrate sensory systems have evolved remarkable diversity, but little is known about the underlying genetic mechanisms. The lateral line sensory system of aquatic vertebrates is a promising model for genetic investigations of sensory evolution because there is extensive variation within and between species, and this variation is easily quantified. In the present study, we compare the lateral line sensory system of threespine sticklebacks ( Gasterosteus aculeatus ) from an ancestral marine and a derived benthic lake population. We show that lab-raised individuals from these populations display differences in sensory neuromast number, neuromast patterning, and groove morphology. Using genetic linkage mapping, we identify regions of the genome that influence different aspects of lateral line morphology. Distinct loci independently affect neuromast number on different body regions, suggesting that a modular genetic structure underlies the evolution of peripheral receptor number in this sensory system. Pleiotropy and/or tight linkage are also important, as we identify a region on linkage group 21 that affects multiple aspects of lateral line morphology. Finally, we detect epistasis between a locus on linkage group 4 and a locus on linkage group 21; interactions between these loci contribute to variation in neuromast pattern. Our results reveal a complex genetic architecture underlying the evolution of the stickleback lateral line sensory system. This study further uncovers a genetic relationship between sensory morphology and non-neural traits (bony lateral plates), creating an opportunity to investigate morphological constraints on sensory evolution in a vertebrate model system.
    Electronic ISSN: 2160-1836
    Topics: Biology
    Published by Genetics Society of America (GSA)
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  • 6
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    Functional analysis of environmental DNA-derived type II polyketide synthases reveals structurally diverse secondary metabolites [Microbiology] (2011)
    National Academy of Sciences
    Details
    Publication Date: 2011-08-03
    Description: A single gram of soil is predicted to contain thousands of unique bacterial species. The majority of these species remain recalcitrant to standard culture methods, prohibiting their use as sources of unique bioactive small molecules. The cloning and analysis of DNA extracted directly from environmental samples (environmental DNA, eDNA) provides a means of exploring the biosynthetic capacity of natural bacterial populations. Environmental DNA libraries contain large reservoirs of bacterial genetic diversity from which new secondary metabolite gene clusters can be systematically recovered and studied. The identification and heterologous expression of type II polyketide synthase-containing eDNA clones is reported here. Functional analysis of three soil DNA-derived polyketide synthase systems in Streptomyces albus revealed diverse metabolites belonging to well-known, rare, and previously uncharacterized structural families. The first of these systems is predicted to encode the production of the known antibiotic landomycin E. The second was found to encode the production of a metabolite with a previously uncharacterized pentacyclic ring system. The third was found to encode the production of unique KB-3346-5 derivatives, which show activity against methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus faecalis. These results, together with those of other small-molecule-directed metagenomic studies, suggest that culture-independent approaches are capable of accessing biosynthetic diversity that has not yet been extensively explored using culture-based methods. The large-scale functional screening of eDNA clones should be a productive strategy for generating structurally previously uncharacterized chemical entities for use in future drug development efforts.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 7
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    The genetic basis of divergent pigment patterns in juvenile threespine sticklebacks (2011)
    Springer Nature
    Details
    Publication Date: 2011-02-09
    Print ISSN: 0018-067X
    Electronic ISSN: 1365-2540
    Topics: Biology
    Published by Springer Nature
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