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Transferable imipenem resistance in Pseudomonas aeruginosa.
We isolated an imipenem-resistant strain, GN17203, of Pseudomonas aeruginosa. The strain produced a beta-lactamase that hydrolyzed imipenem. The beta-lactamase was encoded by a 31-MDa plasmid,Expand
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B Chromosomes Have a Functional Effect on Female Sex Determination in Lake Victoria Cichlid Fishes
The endemic cichlid fishes in Lake Victoria are a model system for speciation through adaptive radiation. Although the evolution of the sex-determination system may also play a role in speciation,Expand
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Spot pattern of leopard Danio is caused by mutation in the zebrafish connexin41.8 gene
Leopard, a well‐known zebrafish mutant that has a spotted skin pattern instead of stripes, is a model for the study of pigment patterning. To understand the mechanisms underlying stripe formation, asExpand
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Divergent Selection on Opsins Drives Incipient Speciation in Lake Victoria Cichlids
Divergent natural selection acting on ecological traits, which also affect mate choice, is a key element of ecological speciation theory, but has not previously been demonstrated at the molecularExpand
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Involvement of Delta/Notch signaling in zebrafish adult pigment stripe patterning
The skin pigment pattern of zebrafish is a good model system in which to study the mechanism of biological pattern formation. Although it is known that interactions between melanophores andExpand
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Pigment Pattern in jaguar/obelix Zebrafish Is Caused by a Kir7.1 Mutation: Implications for the Regulation of Melanosome Movement
Many animals have a variety of pigment patterns, even within a species, and these patterns may be one of the driving forces of speciation. Recent molecular genetic studies on zebrafish have revealedExpand
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Archaeal-type rhodopsins in Chlamydomonas: model structure and intracellular localization.
Phototaxis in the unicellular green alga Chlamydomonas reinhardtii is mediated by rhodopsin-type photoreceptor(s). Recent expressed sequence tag database from the Kazusa DNA Research Institute hasExpand
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Complete nucleotide sequence of the prophage VT1-Sakai carrying the Shiga toxin 1 genes of the enterohemorrhagic Escherichia coli O157:H7 strain derived from the Sakai outbreak.
Shiga toxins 1 and 2 (Stx1 and Stx2) are encoded by prophages lysogenized in enterohemorrhagic Escherichia coli (EHEC) O157:H7 strains. Lytic growth of the phage particles carrying the stx1 genesExpand
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Melanophore Migration and Survival during Zebrafish Adult Pigment Stripe Development Require the Immunoglobulin Superfamily Adhesion Molecule Igsf11
The zebrafish adult pigment pattern has emerged as a useful model for understanding the development and evolution of adult form as well as pattern-forming mechanisms more generally. In this species,Expand
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Phylogeny of primary photosynthetic eukaryotes as deduced from slowly evolving nuclear genes.
*Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan; Hayama Center for Advanced Studies, Graduate University for Advanced Studies, Kanagawa, Japan; TheExpand
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