Research Topics
| Cheryl Y HayashiSummaryAffiliation: University of California Country: USA Publications
| Collaborators
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Detail Information
Publications
Molecular and mechanical characterization of aciniform silk: uniformity of iterated sequence modules in a novel member of the spider silk fibroin gene familyCheryl Y Hayashi
Department of Biology, University of California, Riverside, USA
Mol Biol Evol 21:1950-9. 2004....- Expansion and intragenic homogenization of spider silk genes since the Triassic: evidence from Mygalomorphae (tarantulas and their kin) spidroinsJessica E Garb
Department of Biology, University of California, Riverside, USA
Mol Biol Evol 24:2454-64. 2007.... 
Untangling spider silk evolution with spidroin terminal domainsJessica E Garb
Department of Biology, University of California, Riverside, CA 92521, USA
BMC Evol Biol 10:243. 2010..Here we used silk gland expression data (ESTs) from highly divergent species to evaluate the functional significance and phylogenetic utility of spidroin N-terminal domains...- Molecular evolution of lepidopteran silk proteins: insights from the ghost moth, Hepialus californicusMatthew A Collin
Department of Biology, University of California, Riverside, CA 92521, USA
J Mol Evol 70:519-29. 2010..Thus, by characterizing the H. californicus fibroins, we identified key functional amino acids and gained insight into the evolutionary processes that have shaped these adaptive molecules... - Spider capture silk: performance implications of variation in an exceptional biomaterialBrook O Swanson
Department of Biology, Gonzaga University, Spokane, Washington 99258, USA
J Exp Zool A Ecol Genet Physiol 307:654-66. 2007..The different properties of these capture silks should lead to differences in the performance of orb webs during prey capture and help to define feeding niches in spiders... 
Blueprint for a high-performance biomaterial: full-length spider dragline silk genesNadia A Ayoub
Department of Biology, University of California Riverside, Riverside, California, United States of America
PLoS ONE 2:e514. 2007..Our new data provide complete templates for synthesis of recombinant silk proteins that significantly improve the degree to which artificial silks mimic natural spider dragline fibers...- Spider dragline silk: correlated and mosaic evolution in high-performance biological materialsBrook O Swanson
Department of Biology, University of California, Riverside, California 92521, USA
Evolution 60:2539-51. 2006..These results show that the properties of biological materials are the target of selection, and that these changes can produce evolutionarily and ecologically important diversity... 
Characterization of silk spun by the embiopteran, Antipaluria urichiMatthew A Collin
Department of Biology, University of California, Riverside, CA 92521, USA
Insect Biochem Mol Biol 39:75-82. 2009..For example, the tensile strength of Antipaluria silk is much lower than that of Bombyx mori silk. We discuss the observed mechanical properties in relation to the fibroin sequence, spinning system, and embiopteran silk use...- Multiple recombining loci encode MaSp1, the primary constituent of dragline silk, in widow spiders (Latrodectus: Theridiidae)Nadia A Ayoub
Department of Biology, University of California, Riversid, USA
Mol Biol Evol 25:277-86. 2008..However, the benefits associated with increased protein production may be the primary mechanism maintaining multiple functional MaSp1 copies in widow genomes... - Silk genes support the single origin of orb websJessica E Garb
Department of Biology, University of California, Riverside, CA 92521, USA
Science 312:1762. 2006..Furthermore, we substantially expanded the repository of silk sequences that can be used for the synthesis of high-performance biomaterials... - Utility of the nuclear protein-coding gene, elongation factor-1 gamma (EF-1gamma), for spider systematics, emphasizing family level relationships of tarantulas and their kin (Araneae: Mygalomorphae)Nadia A Ayoub
Department of Biology, University of California, Riverside, CA 92521, USA
Mol Phylogenet Evol 42:394-409. 2007..22% pairwise divergence per million years based on a non-parametric smoothing method (NPRS) and fossil constraints... - Comparison of embiopteran silks reveals tensile and structural similarities across TaxaMatthew A Collin
Department of Biology, University of California, Riverside, California 92521, USA
Biomacromolecules 10:2268-74. 2009.... - Modular evolution of egg case silk genes across orb-weaving spider superfamiliesJessica E Garb
Department of Biology, University of California, Riverside, CA 92521, USA
Proc Natl Acad Sci U S A 102:11379-84. 2005..Moreover, we show that TuSp1 provides a clear example of modular evolution across a range of phylogenetic levels... - Nuclear-mitochondrial sequences as witnesses of past interbreeding and population diversity in the jumping bristletail MesomachilisLaura Baldo
Department of Biology, University of California, Riverside
Mol Biol Evol 28:195-210. 2011..Translocations of NUMTs to new nuclear genomes can preserve NUMTs following extinction of their ancestral mt lineages and can be used to detect mixing between divergent mt lineages and past levels of mt diversity... - Comparison of fibroin cDNAs from webspinning insects: insight into silk formation and functionMatthew A Collin
Department of Biology, University of California, Riverside, CA 92521, USA
Zoology (Jena) 114:239-46. 2011..From these results, insight is gained into the tempo and mode of evolution that has shaped embiopteran fibroins... - Unraveling the mechanical properties of composite silk threads spun by cribellate orb-weaving spidersTodd A Blackledge
Department of Biology, University of Akron, Akron, OH 44325 3908, USA
J Exp Biol 209:3131-40. 2006..In the case of Deinopis capture threads, up to 90% of the total work performed could be attributed to these fibrils. These findings yield insight into the evolutionary transition from cribellate to viscid capture threads... - Gumfooted lines in black widow cobwebs and the mechanical properties of spider capture silkTodd A Blackledge
Department of Biology, University of California, Riverside, CA 92521, USA
Zoology (Jena) 108:41-6. 2005..This argues that the unique amino acid motifs of the flagelliform fibroins that constitute the core of the capture spiral play an essential role in capture silk's extreme extensibility... - Silken toolkits: biomechanics of silk fibers spun by the orb web spider Argiope argentata (Fabricius 1775)Todd A Blackledge
Department of Biology, University of Akron, Akron, OH 44325 3908, USA
J Exp Biol 209:2452-61. 2006..Our study indicates substantial potential to customize the mechanics of bioengineered silks... - Actin 5C, a promising nuclear gene for spider phylogeneticsCor J Vink
Department of Biology, San Diego State University, San Diego, CA 92182, USA
Mol Phylogenet Evol 48:377-82. 2008 - Chromosome mapping of dragline silk genes in the genomes of widow spiders (Araneae, Theridiidae)Yonghui Zhao
Department of Biology, University of California Riverside, Riverside, California, USA
PLoS ONE 5:e12804. 2010..Further comparative mapping with taxa of increasing divergence from Latrodectus will pinpoint when the MaSp1 duplication events occurred and the phylogenetic distribution of silk gene linkage patterns... - Insight into the routes of Wolbachia invasion: high levels of horizontal transfer in the spider genus Agelenopsis revealed by Wolbachia strain and mitochondrial DNA diversityLaura Baldo
Department of Biology, University of California, 900 University Avenue, Riverside, CA 92521, USA
Mol Ecol 17:557-69. 2008.... - Early events in the evolution of spider silk genesJames Starrett
Department of Biology, University of California Riverside, Riverside, California, United States of America
PLoS ONE 7:e38084. 2012..We use the spidroin gene tree to reconstruct the evolution of amino acid compositions of spidroins that perform different ecological functions... - Quasistatic and continuous dynamic characterization of the mechanical properties of silk from the cobweb of the black widow spider Latrodectus hesperusTodd A Blackledge
Department of Biology, University of California, Riverside, CA 92521, USA
J Exp Biol 208:1937-49. 2005..The storage modulus of viscid regions of the gumfooted lines was much lower than dry regions. This may be explained by disruption of hydrogen bonding within the amorphous regions of the fibers due to hydration from the glue... - Molecular nanosprings in spider capture-silk threadsNathan Becker
Department of Physics, University of California, Santa Barbara, California 93106, USA
Nat Mater 2:278-83. 2003..The overall force changes are exponential for both capture-silk molecules and intact strands of capture silk... - Analysis of the conserved N-terminal domains in major ampullate spider silk proteinsDagmara Motriuk-Smith
University of Wyoming, Department of Molecular Biology, Laramie, Wyoming 82071, USA
Biomacromolecules 6:3152-9. 2005..Two DNA sequence motifs identified upstream of the putative transcription start site are potential silk fibroin promoter elements... - Biomaterials: silk-like secretion from tarantula feetStanislav N Gorb
Evolutionary Biomaterials Group, Max Planck Institute for Metals Research, 70569 Stuttgart, Germany
Nature 443:407. 2006..Our discovery that silk is produced by the feet provides a new perspective on the origin and diversification of spider silk...