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Articles 1 - 4 of 4
Full-Text Articles in Genetics and Genomics
First Transcriptome Of The Testis-Vas Deferens-Male Accessory Gland And Proteome Of The Spermatophore From Dermacentor Variabilis (Acari: Ixodidae), Daniel E. Sonenshine, Brooke W. Bissinger, Noble Egekwu, Kevin V. Donohue, Sayed M. Khalil, R. Michael Roe
First Transcriptome Of The Testis-Vas Deferens-Male Accessory Gland And Proteome Of The Spermatophore From Dermacentor Variabilis (Acari: Ixodidae), Daniel E. Sonenshine, Brooke W. Bissinger, Noble Egekwu, Kevin V. Donohue, Sayed M. Khalil, R. Michael Roe
Biological Sciences Faculty Publications
Ticks are important vectors of numerous human diseases and animal diseases. Feeding stimulates spermatogenesis, mating and insemination of male factors that trigger female reproduction. The physiology of male reproduction and its regulation of female development are essentially a black box. Several transcriptomes have catalogued expression of tick genes in the salivary glands, synganglion and midgut but no comprehensive investigation has addressed male reproduction and mating. Consequently, a new global approach using transcriptomics, proteomics, and quantitative gene expression is needed to understand male reproduction and stimulation of female reproduction.This first transcriptome to the reproductive biology of fed male ticks, Dermacentor variabilis …
Exploring The Mialome Of Ticks: An Annotated Catalogue Of Midgut Transcripts From The Hard Tick, Dermacentor Variabilis (Acari: Ixodidae), Jennifer M. Anderson, Daniel E. Sonenshine, Jesus G. Valenzuela
Exploring The Mialome Of Ticks: An Annotated Catalogue Of Midgut Transcripts From The Hard Tick, Dermacentor Variabilis (Acari: Ixodidae), Jennifer M. Anderson, Daniel E. Sonenshine, Jesus G. Valenzuela
Biological Sciences Faculty Publications
Background: Ticks are obligate blood feeders. The midgut is the first major region of the body where blood and microbes ingested with the blood meal come in contact with the tick's internal tissues. Little is known about protein expression in the digestive tract of ticks. In this study, for analysis of global gene expression during tick attachment and feeding, we generated and sequenced 1,679 random transcripts (ESTs) from cDNA libraries from the midguts of female ticks at varying stages of feeding.
Results: Sequence analysis of the 1,679 ESTs resulted in the identification of 835 distinct transcripts, from these, a total …
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 …
Tick Pheromones And Their Use In Tick Control, Daniel E. Sonenshine
Tick Pheromones And Their Use In Tick Control, Daniel E. Sonenshine
Biological Sciences Faculty Publications
Tick pheromones that regulate assembly, attraction/aggregation/attachment, and mating behavior have been described. Most of the compounds regulating these behaviors are purines, substituted phenols, or cholesteryl esters. Other pheromonal compounds include organic acids, hematin, or ecdysteroids. Novel devices have been developed that combine the specific compounds comprising these pheromones with an acaricide. When applied to tick-infested vegetation or directly to the body surfaces of livestock or companion animals, these devices are effective for tick control. This review summarizes the current state of knowledge of tick pheromones. In addition, this review also presents examples illustrating how devices using tick pheromones can offer …