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Articles 1 - 5 of 5
Full-Text Articles in Genetics and Genomics
Optimization Of Cutaneous Electrically Mediated Plasmid Dna Delivery Using Novel Electrode, L. C. Heller, M. J. Jaroszeski, D. Coppola, A. N. Mccray, J. Hickey, R. Heller
Optimization Of Cutaneous Electrically Mediated Plasmid Dna Delivery Using Novel Electrode, L. C. Heller, M. J. Jaroszeski, D. Coppola, A. N. Mccray, J. Hickey, R. Heller
Bioelectrics Publications
The easy accessibility of skin makes it an excellent target for gene transfer protocols. To take advantage of skin as a target for gene transfer, it is important to establish an efficient and reproducible delivery system. Electroporation is an established technique for enhancing plasmid delivery to many tissues in vivo. A critical component of this technique is the electrode configuration. Electroporation parameters were optimized for transgene expression with minimal tissue damage with a novel electrode. The highest transgene expression and efficiency of individual cell transformation with minimal damage was produced with eight 150 ms pulses at field strength of …
Tissue And Life Stage Distribution Of A Defensin-Like Gene In The Lone Star Tick Amblyomma Americanum, S. Michelle Todd, Daniel E. Sonenshine, Wayne L. Hynes
Tissue And Life Stage Distribution Of A Defensin-Like Gene In The Lone Star Tick Amblyomma Americanum, S. Michelle Todd, Daniel E. Sonenshine, Wayne L. Hynes
Biological Sciences Faculty Publications
The transcript sequence of the Amblyomma americanum Linnaeus (Acari: Ixodidae) defensin, termed amercin (amn), was ascertained and a 219-bp amn coding region identified. The gene encodes a 72-amino acid prepropeptide with a putative 37-amino acid mature peptide. This gene shows little similarity to either of the defensins from Amblyomma hebraeum Koch, the only other Amblyomma species for which a defensin has been described. Sequence comparisons with other tick defensins reveal amn to be shorter (6 bp or 2 amino acids) than the Ixodes scapularis Linnaeus (Acari: Ixodidae) and Dermacentor variabilis (Say) (Acari: Ixodidae) defensin sequences. The amercin prepropeptide …
Sensory Genes And Mate Choice: Evidence That Duplications, Mutations, And Adaptive Evolution Alter Variation In Mating Cue Genes And Their Receptors, Lisa Horth
Biological Sciences Faculty Publications
Fascinating new data, revealed through gene sequencing, comparative genomics, and genetic engineering, precisely establish which genes are involved in mate choice and mating activity—behaviors that are surprisingly understudied from a genetic perspective. Discussed here are some of the recently identified visual and chemosensory genes that are involved in mate choice and mating behavior. These genes’ products are involved in the production, transmission, and receipt of crucial sensory mate-choice cues that affect fitness. This review exposes newfound evidence that alternative splicing, gene-expression pattern changes, and molecular genetic variation in sensory genes are crucial for both intra- and interspecific mate choice and …
Sequence And The Developmental And Tissue-Specific Regulation Of The First Complete Vitellogenin Message From Ticks, Deborah M. Thompson, Sayed M.S. Khalil, Laura A. Jeffers, Daniel E. Sonenshine, Robert D. Mitchell, Christopher J. Osgood, R. Michael Roe
Sequence And The Developmental And Tissue-Specific Regulation Of The First Complete Vitellogenin Message From Ticks, Deborah M. Thompson, Sayed M.S. Khalil, Laura A. Jeffers, Daniel E. Sonenshine, Robert D. Mitchell, Christopher J. Osgood, R. Michael Roe
Biological Sciences Faculty Publications
The first full-length mRNA for vitellogenin (Vg) from ticks was sequenced. This also represents the first complete sequence of Vg from the Chelicerata and of a heme binding Vg. The Vg cDNA from the American dog tick, Dermacentor variabilis was 5744nt in length (GenBank Accession number AY885250), which coded for a protein of 1843aa with a calculated molecular weight of 208kD. This protein had an 18 aa signal sequence, a single RXXR cleavage signal that would generate two subunits (49.5 and 157K in molecular weight) and lipoprotein N-terminal and carboxy von Willebrand factor type D domains. Tryptic digest MS analysis …
Potential For Stimulating Host Anti-Tumor Immune Response Via Rnai-Mediated Local Foxp3 Knockdown, N. Klaiber
Potential For Stimulating Host Anti-Tumor Immune Response Via Rnai-Mediated Local Foxp3 Knockdown, N. Klaiber
Chemistry & Biochemistry Faculty Publications
Neoplastic growths represent a unique challenge for the host immune system. As they are indeed derived from self, many of the same mechanisms operating to prevent autoimmunity also provide an umbrella beneath which malignant cells are free to proliferate.1 Central among these immune regulatory boundaries are an influential subset of lymphocytes known as T regs. Hypothesized to exist decades ago, yet eluding definitive characterization until relatively recently, T regs have been demonstrated to play a crucial role in the proper functioning of the immune system as a whole. They may also, however, represent one of the primary obstacles to successful …