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Articles 1 - 2 of 2
Full-Text Articles in Life Sciences
Gene Response Profiles For Daphnia Pulex Exposed To The Environmental Stressor Cadmium Reveals Novel Crustacean Metallothioneins, Joseph R. Shaw, John K. Colbourne, Jennifer C. Davey, Stephen P. Glaholt, Thomas H. Hampton, Celia Y. Chen, Carol L. Folt, Joshua W. Hamilton
Gene Response Profiles For Daphnia Pulex Exposed To The Environmental Stressor Cadmium Reveals Novel Crustacean Metallothioneins, Joseph R. Shaw, John K. Colbourne, Jennifer C. Davey, Stephen P. Glaholt, Thomas H. Hampton, Celia Y. Chen, Carol L. Folt, Joshua W. Hamilton
Dartmouth Scholarship
Genomic research tools such as microarrays are proving to be important resources to study the complex regulation of genes that respond to environmental perturbations. A first generation cDNA microarray was developed for the environmental indicator species Daphnia pulex, to identify genes whose regulation is modulated following exposure to the metal stressor cadmium. Our experiments revealed interesting changes in gene transcription that suggest their biological roles and their potentially toxicological features in responding to this important environmental contaminant.
Sampling Daphnia's Expressed Genes: Preservation, Expansion And Invention Of Crustacean Genes With Reference To Insect Genomes, John K. Colbourne, Brian D. Eads, Joseph Shaw, Elizabeth Bohuski, Darren Bauer, Justen Andrews
Sampling Daphnia's Expressed Genes: Preservation, Expansion And Invention Of Crustacean Genes With Reference To Insect Genomes, John K. Colbourne, Brian D. Eads, Joseph Shaw, Elizabeth Bohuski, Darren Bauer, Justen Andrews
Dartmouth Scholarship
Functional and comparative studies of insect genomes have shed light on the complement of genes, which in part, account for shared morphologies, developmental programs and life-histories. Contrasting the gene inventories of insects to those of the nematodes provides insight into the genomic changes responsible for their diversification. However, nematodes have weak relationships to insects, as each belongs to separate animal phyla. A better outgroup to distinguish lineage specific novelties would include other members of Arthropoda. For example, crustaceans are close allies to the insects (together forming Pancrustacea) and their fascinating aquatic lifestyle provides an important comparison for understanding the genetic …