McClintock’s challenge in the 21st century

In 1950, Barbara McClintock published a Classic PNAS article, “The origin and behavior of mutable loci in maize,” which summarized the evidence leading to her discovery of transposition. The article described a number of genome alterations revealed through her studies of the Dissociation locus, the...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 2012-12, Vol.109 (50), p.20200-20203
1. Verfasser: Fedoroff, Nina V
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description In 1950, Barbara McClintock published a Classic PNAS article, “The origin and behavior of mutable loci in maize,” which summarized the evidence leading to her discovery of transposition. The article described a number of genome alterations revealed through her studies of the Dissociation locus, the first mobile genetic element she identified. McClintock described the suite of nuclear events, including transposon activation and various chromosome aberrations and rearrangements, that unfolded in the wake of genetic crosses that brought together two broken chromosomes 9. McClintock left future generations with the challenge of understanding how genomes respond to genetic and environmental stresses by mounting adaptive responses that frequently include genome restructuring.
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source Jstor Complete Legacy; MEDLINE; PubMed Central; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry
subjects Alleles
Biological Sciences
chromosome aberrations
Chromosome Breakage
Chromosomes
Chromosomes, Plant - genetics
Corn
crossing
DNA
DNA Transposable Elements - genetics
Epigenesis, Genetic
Epigenetics
Genes
Genetic loci
Genetic research
Genetic transposition
genome
Genome, Plant
Genomes
History, 20th Century
History, 21st Century
loci
McClintock
McClintock, Barbara
Molecular Biology - history
Molecular Biology - trends
Phenotype
PNAS CLASSIC PERSPECTIVE
PNAS Classics
Scientists
transposition (genetics)
Transposons
Zea mays - genetics
title McClintock’s challenge in the 21st century
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