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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
A "Choose-Your-Own" Classroom-Based Activity That Promotes Scientific Inquiry About Rna Interference, Jeremy L. Hsu
A "Choose-Your-Own" Classroom-Based Activity That Promotes Scientific Inquiry About Rna Interference, Jeremy L. Hsu
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
RNA interference (RNAi), the process that results in the degradation of a target gene’s mRNA, is a fundamental part of eukaryotic gene regulation and is also an important molecular technique that allows for experimental manipulation of gene expression without altering DNA sequences. Despite the importance of RNAi, there have been relatively few lecture-based activities designed to teach about the consequences of this process and counter common misconceptions. I present here an inquiry-based activity that is centered around a “choose your own experiment” design where students generate hypotheses and critically evaluate their ideas by choosing several simulated experiments. The activity presents …
Engineering Mankind: The Sociopolitical Impact Of Eugenics In America, Megan Lee
Engineering Mankind: The Sociopolitical Impact Of Eugenics In America, Megan Lee
Voces Novae
During the early twentieth century, the American eugenics movement prospered, spreading its influence within the sociopolitical framework of the United States. The notion of eugenics – the control of human breeding to increase desirable traits, was extensively propagated through the creation of sterilization laws and public programs. Eventually, the public came to view eugenics as a necessity in order to preserve and improve the quality of mankind for the future.
Characterization Of Macrophomina Phaseolina Infecting Chia Plants, Cailyn Sakurai, Hagop S. Atamian, Julien Besnard
Characterization Of Macrophomina Phaseolina Infecting Chia Plants, Cailyn Sakurai, Hagop S. Atamian, Julien Besnard
Student Scholar Symposium Abstracts and Posters
Microbial organisms have caused detrimental effects to agricultural plants by significantly decreasing their plant growth yield and it’s nutritional qualities, leading to high levels of economic losses in society. Salvia Hispanica L., commonly known as chia, is becoming a rising agricultural crop because of its favorable nutritional qualities. Chia seeds have a high concentration of α-linolenic acid, commonly known as omega-3 fatty acids) which provide several different health benefits, in addition to being a rich source of protein and fiber. Chia field trial conducted by the Atamian lab during summer 2018, experienced high levels of disease incidence characterized by …
Fusarium Euwallacea: A Serious Threat To The Native And Ornamental Trees And Shrubs In Southern California, Greg Tyler, Yixing Zheng, Michael Kulinich, Hagop Atamian
Fusarium Euwallacea: A Serious Threat To The Native And Ornamental Trees And Shrubs In Southern California, Greg Tyler, Yixing Zheng, Michael Kulinich, Hagop Atamian
Student Scholar Symposium Abstracts and Posters
Fusarium Euwallacea is a fungus that has established symbiotic relationship with the beetle Euwallacea aff. fornicata. The beetle bores through the tree bark and into the sapwood making long tunnels inside the trees. The beetle carries the F. Euwallacea in a specialized structure on its body called mandibular mycangia and cultivates the fungus in the tunnels on which the beetle feeds to grow and reproduce. The growth of the fungus obstructs water and mineral transport in the plant xylem tissue, resulting in dieback, wilt and mortality of the host tree. Fungi are known to secrete proteins called effectors in …
Deletion Of Uls1 Confers Damage Tolerance In Sgs1 Mutants Through A Top3-Dependent D-Loop Mediated Fork Restart Pathway, M. Rebecca Glineburg, Eleanor Johns, F. Brad Johnson
Deletion Of Uls1 Confers Damage Tolerance In Sgs1 Mutants Through A Top3-Dependent D-Loop Mediated Fork Restart Pathway, M. Rebecca Glineburg, Eleanor Johns, F. Brad Johnson
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Homologous recombination (HR)-based repair during DNA replication can apparently utilize several partially overlapping repair pathways in response to any given lesion. A key player in HR repair is the Sgs1-Top3-Rmi1 (STR) complex, which is critical for resolving X-shaped recombination intermediates formed following bypass of methyl methanesulfonate (MMS)-induced damage. STR mutants are also sensitive to the ribonucleotide reductase inhibitor, hydroxyurea (HU), but unlike MMS treatment, HU treatment is not accompanied by X-structure accumulation, and it is thus unclear how STR functions in this context. Here we provide evidence that HU-induced fork stalling enlists Top3 prior to recombination intermediate formation. The resistance …
Composition Of The Survival Motor Neuron (Smn) Complex In Drosophila Melanogaster, A. Gregory Matera, Amanda C. Raimer, Casey A. Schmidt, Jo A. Kelly, Gaith N. Droby, David Baillat, Sara Ten Have, Angus I. Lamond, Eric J. Wagner, Kelsey M. Gray
Composition Of The Survival Motor Neuron (Smn) Complex In Drosophila Melanogaster, A. Gregory Matera, Amanda C. Raimer, Casey A. Schmidt, Jo A. Kelly, Gaith N. Droby, David Baillat, Sara Ten Have, Angus I. Lamond, Eric J. Wagner, Kelsey M. Gray
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Spinal Muscular Atrophy (SMA) is caused by homozygous mutations in the human survival motor neuron 1 (SMN1) gene. SMN protein has a well-characterized role in the biogenesis of small nuclear ribonucleoproteins (snRNPs), core components of the spliceosome. SMN is part of an oligomeric complex with core binding partners, collectively called Gemins. Biochemical and cell biological studies demonstrate that certain Gemins are required for proper snRNP assembly and transport. However, the precise functions of most Gemins are unknown. To gain a deeper understanding of the SMN complex in the context of metazoan evolution, we investigated its composition in Drosophila …