2020
Complex mosaic structural variations in human fetal brains
Sekar S, Tomasini L, Proukakis C, Bae T, Manlove L, Jang Y, Scuderi S, Zhou B, Kalyva M, Amiri A, Mariani J, Sedlazeck F, Urban AE, Vaccarino F, Abyzov A. Complex mosaic structural variations in human fetal brains. Genome Research 2020, 30: gr.262667.120. PMID: 33122304, PMCID: PMC7706730, DOI: 10.1101/gr.262667.120.Peer-Reviewed Original ResearchConceptsSingle nucleotide variantsCopy number variantsStructural variantsMegabase-scale copy number variantsHuman fetal brainFunctional consequencesMobile element insertionsSimilar functional consequencesFetal brainMosaic single-nucleotide variantsAdult brain neuronsStructural variationsPotential functional consequencesKilobase scaleDNA eventsGenomic fragmentDifferent chromosomesElement insertionsClonal approachHuman brain cellsFetal human brainNucleotide variantsReplication errorsHuman brainNumber variants
2019
Haplotype-resolved and integrated genome analysis of the cancer cell line HepG2
Zhou B, Ho S, Greer S, Spies N, Bell J, Zhang X, Zhu X, Arthur J, Byeon S, Pattni R, Saha I, Huang Y, Song G, Perrin D, Wong W, Ji H, Abyzov A, Urban A. Haplotype-resolved and integrated genome analysis of the cancer cell line HepG2. Nucleic Acids Research 2019, 47: 3846-3861. PMID: 30864654, PMCID: PMC6486628, DOI: 10.1093/nar/gkz169.Peer-Reviewed Original ResearchConceptsGenome sequenceStructural variantsGenomic structural featuresSomatic genomic rearrangementsFunctional genomics dataAllele-specific expressionEntire chromosome armsIntegrated genome analysisCRISPR/Cas9Cell linesMain cell linesGenome structureEpigenomic characteristicsChromosome armsGenome analysisDNA methylationGenome characteristicsRetrotransposon insertionChromosomal segmentsGenomic rearrangementsGenomic dataRegulatory complexityCell line HepG2Copy numberLoss of heterozygosityComprehensive, integrated, and phased whole-genome analysis of the primary ENCODE cell line K562
Zhou B, Ho S, Greer S, Zhu X, Bell J, Arthur J, Spies N, Zhang X, Byeon S, Pattni R, Ben-Efraim N, Haney M, Haraksingh R, Song G, Ji H, Perrin D, Wong W, Abyzov A, Urban A. Comprehensive, integrated, and phased whole-genome analysis of the primary ENCODE cell line K562. Genome Research 2019, 29: 472-484. PMID: 30737237, PMCID: PMC6396411, DOI: 10.1101/gr.234948.118.Peer-Reviewed Original ResearchConceptsWhole-genome analysisStructural variantsFunctional genomicsEpigenomic dataAllele-specific DNA methylationComprehensive whole-genome analysisWhole-genome bisulfite sequencing dataGenomic structural featuresCopy numberLinked-read sequencingAllele-specific expressionEntire chromosome armsBisulfite sequencing dataAllele-specific deletionsComplex structural variantsTumor suppressor geneEpigenomic characteristicsChromosome armsGenome sequenceChromosome segmentsDNA methylationRNA-seqGenome characteristicsRetrotransposon insertionGenomic variant information
2016
Elevated variant density around SV breakpoints in germline lineage lends support to error-prone replication hypothesis
Dhokarh D, Abyzov A. Elevated variant density around SV breakpoints in germline lineage lends support to error-prone replication hypothesis. Genome Research 2016, 26: 874-881. PMID: 27216746, PMCID: PMC4937565, DOI: 10.1101/gr.205484.116.Peer-Reviewed Original ResearchConceptsSNPs/indelsComplex genomic rearrangementsHundreds of lociComplex human traitsAllele frequency spectrumReplication-based mechanismsBreakpoints of deletionsGermline lineageParental genomesSV breakpointsGenomic rearrangementsGenome ProjectMutational mechanismsDeletion eventsGenomic disordersHeterozygous SNPsStructural variantsVariant densityHuman traitsIndelsNumber variantsFold changeGermline deletionCNV formationDeletion
2015
An integrated map of structural variation in 2,504 human genomes
Sudmant PH, Rausch T, Gardner EJ, Handsaker RE, Abyzov A, Huddleston J, Zhang Y, Ye K, Jun G, Hsi-Yang Fritz M, Konkel MK, Malhotra A, Stütz AM, Shi X, Paolo Casale F, Chen J, Hormozdiari F, Dayama G, Chen K, Malig M, Chaisson MJP, Walter K, Meiers S, Kashin S, Garrison E, Auton A, Lam HYK, Jasmine Mu X, Alkan C, Antaki D, Bae T, Cerveira E, Chines P, Chong Z, Clarke L, Dal E, Ding L, Emery S, Fan X, Gujral M, Kahveci F, Kidd JM, Kong Y, Lameijer EW, McCarthy S, Flicek P, Gibbs RA, Marth G, Mason CE, Menelaou A, Muzny DM, Nelson BJ, Noor A, Parrish NF, Pendleton M, Quitadamo A, Raeder B, Schadt EE, Romanovitch M, Schlattl A, Sebra R, Shabalin AA, Untergasser A, Walker JA, Wang M, Yu F, Zhang C, Zhang J, Zheng-Bradley X, Zhou W, Zichner T, Sebat J, Batzer MA, McCarroll SA, Mills R, Gerstein M, Bashir A, Stegle O, Devine S, Lee C, Eichler E, Korbel J. An integrated map of structural variation in 2,504 human genomes. Nature 2015, 526: 75-81. PMID: 26432246, PMCID: PMC4617611, DOI: 10.1038/nature15394.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceGenetic Predisposition to DiseaseGenetic VariationGenetics, MedicalGenetics, PopulationGenome, HumanGenome-Wide Association StudyGenomicsGenotypeHaplotypesHomozygoteHumansMolecular Sequence DataMutation RatePhysical Chromosome MappingPolymorphism, Single NucleotideQuantitative Trait LociSequence Analysis, DNASequence DeletionConceptsStructural variantsHuman genomeExpression quantitative trait lociGenome-wide association studiesIndividual mutational eventsQuantitative trait lociComplex structural variantsHomozygous gene knockoutsDNA sequencing dataLoci subjectTrait lociHuman genesGene knockoutIntegrated mapSequencing dataAssociation studiesMutational eventsHaplotype blocksVariant classesFunctional impactPopulation stratificationGenomeNumerous diseasesHuman populationStructural variationsAnalysis of deletion breakpoints from 1,092 humans reveals details of mutation mechanisms
Abyzov A, Li S, Kim DR, Mohiyuddin M, Stütz AM, Parrish NF, Mu XJ, Clark W, Chen K, Hurles M, Korbel JO, Lam HY, Lee C, Gerstein MB. Analysis of deletion breakpoints from 1,092 humans reveals details of mutation mechanisms. Nature Communications 2015, 6: 7256. PMID: 26028266, PMCID: PMC4451611, DOI: 10.1038/ncomms8256.Peer-Reviewed Original ResearchConceptsNon-allelic homologous recombinationTemplate-switching eventsGenomic structural variantsDeletion breakpointsHi-C interactionsNon-homologous mechanismsRelaxed selectionGenomic averageHistone marksOpen chromatinGenomic sitesGermline cellsDNA replicationCell divisionDNA methylationHomologous recombinationGenome ProjectStructural variantsBasepair resolutionNearby SNPsMutation mechanismMicroinsertionsBreakpointsChromatinIndels
2011
Mapping copy number variation by population-scale genome sequencing
Mills RE, Walter K, Stewart C, Handsaker RE, Chen K, Alkan C, Abyzov A, Yoon SC, Ye K, Cheetham RK, Chinwalla A, Conrad DF, Fu Y, Grubert F, Hajirasouliha I, Hormozdiari F, Iakoucheva LM, Iqbal Z, Kang S, Kidd JM, Konkel MK, Korn J, Khurana E, Kural D, Lam HY, Leng J, Li R, Li Y, Lin CY, Luo R, Mu XJ, Nemesh J, Peckham HE, Rausch T, Scally A, Shi X, Stromberg MP, Stütz AM, Urban AE, Walker JA, Wu J, Zhang Y, Zhang ZD, Batzer MA, Ding L, Marth GT, McVean G, Sebat J, Snyder M, Wang J, Ye K, Eichler EE, Gerstein MB, Hurles ME, Lee C, McCarroll SA, Korbel JO. Mapping copy number variation by population-scale genome sequencing. Nature 2011, 470: 59-65. PMID: 21293372, PMCID: PMC3077050, DOI: 10.1038/nature09708.Peer-Reviewed Original ResearchConceptsMost structural variantsStructural variantsSequencing-based association studiesUnbalanced structural variantsGenomic structural variantsFunctional impactDNA sequencing dataSV hotspotsSV discoveryHuman genomeNucleotide resolutionGene disruptionAdditional structural variantsHigh-frequency deletionSequencing dataGenome sequencingAssociation studiesTandem duplicationNumber variationsGene deletionPartial gene deletionsDeletionCommon mechanismForm of variationSize spectra