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Bioassays with Arthropods
Parallel metatranscriptome analyses of host and symbiont gene expression in the gut of the termite Reticulitermes flavipes
This first time that a dual host-symbiont transcriptome sequencing effort has been conducted in a single termite species demonstrates that phenoloxidase activities are prominent in the R. flavipes gut and are not symbiont derived, and expands the known number of host and symbionT glycosyl hydrolase families in Reticulitermes. Expand
Genome-wide transcription profile of field- and laboratory-selected dichlorodiphenyltrichloroethane (DDT)-resistant Drosophila.
The results suggest that more than Cyp6g1 is overtranscribed in field and laboratory DDT-resistant genotypes, and the number of commonalities suggests that similar resistance mechanisms may exist between laboratory- and field-selectedDDT- resistant fly lines. Expand
Molecular traces of alternative social organization in a termite genome.
The genome and stage-specific transcriptomes of the dampwood termite Zootermopsis nevadensis (Blattodea) are sequence and similarities in the number and expression of genes related to caste determination mechanisms support a hypothesized epigenetic regulation of caste differentiation. Expand
RNA interference in the termite Reticulitermes flavipes through ingestion of double-stranded RNA.
These results provide the first examples of insecticidal effects from dsRNA feeding in a termite, and validate a high-throughput bioassay approach for use in termite functional genomics research, and characterizing target sites of conventional and novel RNAi-based termiticides. Expand
Termite digestomes as sources for novel lignocellulases
The topics covered in this review are lignocellulose structure with emphasis on its potential for depolymerization by termite and gut endosymbiont-derived digestive enzymes; termite biology and ecology from the perspectives of termite nutrition, gut physiology, and ligni cellulose digestion; and trends identified through recent termite digestomics research. Expand
Gene expression in honey bee (Apis mellifera) larvae exposed to pesticides and Varroa mites (Varroa destructor).
Impacts of pesticides and Varroa parasitism on honey bee larval gene expression were demonstrated and interactions between larval treatments and gene expression for the targeted genes are discussed. Expand
Correlation of cellulase gene expression and cellulolytic activity throughout the gut of the termite Reticulitermes flavipes.
The results suggest the presence of a single unified cellulose digestion system, whereby endogenous and symbiotic cellulases work sequentially and collaboratively across the entire digestive tract of R. flavipes. Expand
The hindgut lumen prokaryotic microbiota of the termite Reticulitermes flavipes and its responses to dietary lignocellulose composition
The results provide insights into termite gut microbiome diversity and suggest that the prokaryotic gut microbiota is much more complex than previously estimated, and environment, founding reproductive pair effects and/or host genetics influence microbiome composition. Expand
Functional and translational analyses of a beta-glucosidase gene (glycosyl hydrolase family 1) isolated from the gut of the lower termite Reticulitermes flavipes.
Findings suggest that RfBGluc-1 may serve dual functions in cellulose digestion and immunity, and contributes to the development of next-generation termiticides and novel biocatalyst cocktails for use in biomass-to-bioethanol applications. Expand