J. S. Johnston

Publications139
h-index43
Citations9,394
Highly Influential Citations661
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Natural variation in genome architecture among 205 Drosophila melanogaster Genetic Reference Panel lines.
The Drosophila melanogaster Genetic Reference Panel (DGRP) is a community resource of 205 sequenced inbred lines, derived to improve our understanding of the effects of naturally occurring genetic… Expand
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Comparisons with Caenorhabditis (∼100 Mb) and Drosophila (∼175 Mb) Using Flow Cytometry Show Genome Size in Arabidopsis to be ∼157 Mb and thus ∼25 % Larger than the Arabidopsis Genome Initiative…
Recent genome sequencing papers have given genome sizes of 180 Mb for Drosophila melanogaster Iso-1 and 125 Mb for Arabidopsis thaliana Columbia. The former agrees with early cytochemical estimates,… Expand
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Genome Sequence of Aedes aegypti, a Major Arbovirus Vector
We present a draft sequence of the genome of Aedes aegypti, the primary vector for yellow fever and dengue fever, which at ∼1376 million base pairs is about 5 times the size of the genome of the… Expand
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Evolution of genome size in Brassicaceae.
BACKGROUND AND AIMS Brassicaceae, with nearly 340 genera and more than 3350 species, anchors the low range of angiosperm genome sizes. The relatively narrow range of DNA content (0.16 pg < 1C < 1.95… Expand
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Characteristics of the nuclear (18S, 5.8S, 28S and 5S) and mitochondrial (12S and 16S) rRNA genes of Apis mellifera (Insecta: Hymenoptera): structure, organization, and retrotransposable elements
As an accompanying manuscript to the release of the honey bee genome, we report the entire sequence of the nuclear (18S, 5.8S, 28S and 5S) and mitochondrial (12S and 16S) ribosomal RNA… Expand
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Thrice Out of Africa: Ancient and Recent Expansions of the Honey Bee, Apis mellifera
We characterized Apis mellifera in both native and introduced ranges using 1136 single-nucleotide polymorphisms genotyped in 341 individuals. Our results indicate that A. mellifera originated in… Expand
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Linkage Mapping and Comparative Genomics Using Next-Generation RAD Sequencing of a Non-Model Organism
Restriction-site associated DNA (RAD) sequencing is a powerful new method for targeted sequencing across the genomes of many individuals. This approach has broad potential for genetic analysis of… Expand
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Genome sequences of the human body louse and its primary endosymbiont provide insights into the permanent parasitic lifestyle
As an obligatory parasite of humans, the body louse (Pediculus humanus humanus) is an important vector for human diseases, including epidemic typhus, relapsing fever, and trench fever. Here, we… Expand
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Genome evolution in the genus Sorghum (Poaceae).
BACKGROUND AND AIMS The roles of variation in DNA content in plant evolution and adaptation remain a major biological enigma. Chromosome number and 2C DNA content were determined for 21 of the 25… Expand
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COMPARISON OF PLANT DNA CONTENTS DETERMINED BY FEULGEN MICROSPECTROPHOTOMETRY AND LASER FLOW CYTOMETRY
(...) Nuclei stained with propidium iodide, isolated from chopped plant leaves, were passed through an Ortho Cytofluorograph with a Lexel model 95 argon laser (514 nm) and the fluorescence measured,… Expand
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