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Publication Trends In Model Organism Research, Michael Dietrich, Rachel Ankeny, Patrick Chen
Publication Trends In Model Organism Research, Michael Dietrich, Rachel Ankeny, Patrick Chen
Dartmouth Scholarship
In 1990, the National Institutes of Health (NIH) gave some organisms special status as designated model organisms. This article documents publication trends for these NIH-designated model organisms over the past 40 years. We find that being designated a model organism by the NIH does not guarantee an increasing publication trend. An analysis of model and nonmodel organisms included in GENETICS since 1960 does reveal a sharp decline in the number of publications using nonmodel organisms yet no decline in the overall species diversity. We suggest that organisms with successful publication records tend to share critical characteristics, such as being well …
The Exometabolome Of Clostridium Thermocellum Reveals Overflow Metabolism At High Cellulose Loading, Evert K. Holwerda, Philip G. Thorne, Daniel G. Olson, Daniel Amador-Noguez, Nancy L. Engle, Timothy J. Tschaplinski, Johannes P. Van Dijken, Lee R. Lynd
The Exometabolome Of Clostridium Thermocellum Reveals Overflow Metabolism At High Cellulose Loading, Evert K. Holwerda, Philip G. Thorne, Daniel G. Olson, Daniel Amador-Noguez, Nancy L. Engle, Timothy J. Tschaplinski, Johannes P. Van Dijken, Lee R. Lynd
Dartmouth Scholarship
BackgroundClostridium thermocellum is a model thermophilic organism for the production of biofuels from lignocellulosic substrates. The majority of publications studying the physiology of this organism use substrate concentrations of ≤10 g/L. However, industrially relevant concentrations of substrate start at 100 g/L carbohydrate, which corresponds to approximately 150 g/L solids. To gain insight into the physiology of fermentation of high substrate concentrations, we studied the growth on, and utilization of high concentrations of crystalline cellulose varying from 50 to 100 g/L by C. thermocellum. .
Mn-Euvering Manganese: The Role Of Transporter Gene Family Members In Manganese Uptake And Mobilization In Plants, Amanda L. Socha, Mary Lou Guerinot
Mn-Euvering Manganese: The Role Of Transporter Gene Family Members In Manganese Uptake And Mobilization In Plants, Amanda L. Socha, Mary Lou Guerinot
Dartmouth Scholarship
Manganese (Mn), an essential trace element, is important for plant health. In plants, Mn serves as a cofactor in essential processes such as photosynthesis, lipid biosynthesis and oxidative stress. Mn deficient plants exhibit decreased growth and yield and are more susceptible to pathogens and damage at freezing temperatures. Mn deficiency is most prominent on alkaline soils with approximately one third of the world’s soils being too alkaline for optimal crop production. Despite the importance of Mn in plant development, relatively little is known about how it traffics between plant tissues and into and out of organelles. Several gene transporter families …
Genome Wide Association Mapping Of Grain Arsenic, Copper, Molybdenum And Zinc In Rice (Oryza Sativa L.) Grown At Four International Field Sites, Gareth J. Norton, Alex Douglas, Brett Lahner, Elena Yakubova, Mary Lou Guerinot, Shannon R.M Pinson, Lee Tarpley, George C. Eizenga, Steve P. Mcgrath, Fang-Jie Zhao
Genome Wide Association Mapping Of Grain Arsenic, Copper, Molybdenum And Zinc In Rice (Oryza Sativa L.) Grown At Four International Field Sites, Gareth J. Norton, Alex Douglas, Brett Lahner, Elena Yakubova, Mary Lou Guerinot, Shannon R.M Pinson, Lee Tarpley, George C. Eizenga, Steve P. Mcgrath, Fang-Jie Zhao
Dartmouth Scholarship
The mineral concentrations in cereals are important for human health, especially for individuals who consume a cereal subsistence diet. A number of elements, such as zinc, are required within the diet, while some elements are toxic to humans, for example arsenic. In this study we carry out genome-wide association (GWA) mapping of grain concentrations of arsenic, copper, molybdenum and zinc in brown rice using an established rice diversity panel of ~300 accessions and 36.9 k single nucleotide polymorphisms (SNPs). The study was performed across five environments: one field site in Bangladesh, one in China and two in the US, with …