Cheryl Y Hayashi

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi request reprint Molecular and mechanical characterization of aciniform silk: uniformity of iterated sequence modules in a novel member of the spider silk fibroin gene family
    Cheryl Y Hayashi
    Department of Biology, University of California, Riverside, USA
    Mol Biol Evol 21:1950-9. 2004
  2. ncbi request reprint Expansion and intragenic homogenization of spider silk genes since the Triassic: evidence from Mygalomorphae (tarantulas and their kin) spidroins
    Jessica E Garb
    Department of Biology, University of California, Riverside, USA
    Mol Biol Evol 24:2454-64. 2007
  3. pmc Untangling spider silk evolution with spidroin terminal domains
    Jessica E Garb
    Department of Biology, University of California, Riverside, CA 92521, USA
    BMC Evol Biol 10:243. 2010
  4. pmc Molecular evolution of lepidopteran silk proteins: insights from the ghost moth, Hepialus californicus
    Matthew A Collin
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Mol Evol 70:519-29. 2010
  5. pmc Blueprint for a high-performance biomaterial: full-length spider dragline silk genes
    Nadia A Ayoub
    Department of Biology, University of California Riverside, Riverside, California, United States of America
    PLoS ONE 2:e514. 2007
  6. ncbi request reprint Spider dragline silk: correlated and mosaic evolution in high-performance biological materials
    Brook O Swanson
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 60:2539-51. 2006
  7. ncbi request reprint Spider capture silk: performance implications of variation in an exceptional biomaterial
    Brook O Swanson
    Department of Biology, Gonzaga University, Spokane, Washington 99258, USA
    J Exp Zool A Ecol Genet Physiol 307:654-66. 2007
  8. pmc Ancient properties of spider silks revealed by the complete gene sequence of the prey-wrapping silk protein (AcSp1)
    Nadia A Ayoub
    Department of Biology, Washington and Lee University, USA
    Mol Biol Evol 30:589-601. 2013
  9. doi request reprint Hemocyanin gene family evolution in spiders (Araneae), with implications for phylogenetic relationships and divergence times in the infraorder Mygalomorphae
    James Starrett
    Department of Biology, University of California, Riverside, CA 92521, USA
    Gene 524:175-86. 2013
  10. ncbi request reprint 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

Detail Information

Publications30

  1. ncbi request reprint Molecular and mechanical characterization of aciniform silk: uniformity of iterated sequence modules in a novel member of the spider silk fibroin gene family
    Cheryl Y Hayashi
    Department of Biology, University of California, Riverside, USA
    Mol Biol Evol 21:1950-9. 2004
    ....
  2. ncbi request reprint Expansion and intragenic homogenization of spider silk genes since the Triassic: evidence from Mygalomorphae (tarantulas and their kin) spidroins
    Jessica E Garb
    Department of Biology, University of California, Riverside, USA
    Mol Biol Evol 24:2454-64. 2007
    ....
  3. pmc Untangling spider silk evolution with spidroin terminal domains
    Jessica 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...
  4. pmc Molecular evolution of lepidopteran silk proteins: insights from the ghost moth, Hepialus californicus
    Matthew 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...
  5. pmc Blueprint for a high-performance biomaterial: full-length spider dragline silk genes
    Nadia 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...
  6. ncbi request reprint Spider dragline silk: correlated and mosaic evolution in high-performance biological materials
    Brook 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...
  7. ncbi request reprint Spider capture silk: performance implications of variation in an exceptional biomaterial
    Brook 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...
  8. pmc Ancient properties of spider silks revealed by the complete gene sequence of the prey-wrapping silk protein (AcSp1)
    Nadia A Ayoub
    Department of Biology, Washington and Lee University, USA
    Mol Biol Evol 30:589-601. 2013
    ..With repeats that are dramatically different in length and amino acid composition from dragline spidroins, our L. hesperus AcSp1 expands the knowledge base for developing silk-based biomimetic technologies...
  9. doi request reprint Hemocyanin gene family evolution in spiders (Araneae), with implications for phylogenetic relationships and divergence times in the infraorder Mygalomorphae
    James Starrett
    Department of Biology, University of California, Riverside, CA 92521, USA
    Gene 524:175-86. 2013
    ..Lastly, the conserved hemocyanin sequences allow for the inference of spider relationships and ancient divergence dates...
  10. ncbi request reprint 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...
  11. doi request reprint Characterization of silk spun by the embiopteran, Antipaluria urichi
    Matthew 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...
  12. ncbi request reprint 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...
  13. ncbi request reprint Silk genes support the single origin of orb webs
    Jessica 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...
  14. doi request reprint Mosaic evolution of silk genes in Aliatypus trapdoor spiders (mygalomorphae, antrodiaetidae)
    James Starrett
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Mol Evol 76:216-27. 2013
    ..These findings indicate that comparison of spidroin orthologs across a comprehensive sample of congenerics reveal molecular evolutionary patterns obscured from studies using higher-level sampling of silk encoding genes...
  15. pmc Modular evolution of egg case silk genes across orb-weaving spider superfamilies
    Jessica 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...
  16. doi request reprint Nuclear-mitochondrial sequences as witnesses of past interbreeding and population diversity in the jumping bristletail Mesomachilis
    Laura 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...
  17. doi request reprint Comparison of embiopteran silks reveals tensile and structural similarities across Taxa
    Matthew A Collin
    Department of Biology, University of California, Riverside, California 92521, USA
    Biomacromolecules 10:2268-74. 2009
    ....
  18. doi request reprint Comparison of fibroin cDNAs from webspinning insects: insight into silk formation and function
    Matthew 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...
  19. ncbi request reprint Unraveling the mechanical properties of composite silk threads spun by cribellate orb-weaving spiders
    Todd 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...
  20. pmc Early events in the evolution of spider silk genes
    James 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...
  21. doi request reprint Actin 5C, a promising nuclear gene for spider phylogenetics
    Cor J Vink
    Department of Biology, San Diego State University, San Diego, CA 92182, USA
    Mol Phylogenet Evol 48:377-82. 2008
  22. ncbi request reprint 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...
  23. pmc 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...
  24. ncbi request reprint Gumfooted lines in black widow cobwebs and the mechanical properties of spider capture silk
    Todd 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...
  25. doi request reprint Insight into the routes of Wolbachia invasion: high levels of horizontal transfer in the spider genus Agelenopsis revealed by Wolbachia strain and mitochondrial DNA diversity
    Laura Baldo
    Department of Biology, University of California, 900 University Avenue, Riverside, CA 92521, USA
    Mol Ecol 17:557-69. 2008
    ....
  26. pmc Complex gene expression in the dragline silk producing glands of the Western black widow (Latrodectus hesperus)
    Amanda Kelly Lane
    Department of Biology, Washington and Lee University, 204 W, Washington St, Lexington, VA 24450, USA
    BMC Genomics 14:846. 2013
    ..Prior genetic studies of dragline silk have focused mostly on determining the sequence of these spidroins, leaving other genetic aspects of silk synthesis largely uncharacterized...
  27. ncbi request reprint Quasistatic and continuous dynamic characterization of the mechanical properties of silk from the cobweb of the black widow spider Latrodectus hesperus
    Todd 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...
  28. ncbi request reprint Molecular nanosprings in spider capture-silk threads
    Nathan 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...
  29. ncbi request reprint Analysis of the conserved N-terminal domains in major ampullate spider silk proteins
    Dagmara 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...
  30. ncbi request reprint Biomaterials: silk-like secretion from tarantula feet
    Stanislav 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...