Search Results - "Bloom, Arnold J."

The increasing importance of distinguishing among plant nitrogen sources by Bloom, Arnold J

“…•Many studies on plant nitrogen report only the total amounts of the element.•Nitrate is a major nitrogen source for higher plants.•Elevated CO2 inhibits…”
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Photorespiration and nitrate assimilation: a major intersection between plant carbon and nitrogen by Bloom, Arnold J

“…C₃carbon fixation has a bad reputation, primarily because it is associated with photorespiration, a biochemical pathway thought to waste a substantial amount…”
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Easy Leaf Area: Automated Digital Image Analysis for Rapid and Accurate Measurement of Leaf Area by Easlon, Hsien Ming, Bloom, Arnold J

“…Premise of the study: Measurement of leaf areas from digital photographs has traditionally required significant user input unless backgrounds are carefully…”
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Nitrate assimilation is inhibited by elevated CO2 in field-grown wheat by J. Bloom, Arnold, Burger, Martin, A. Kimball, Bruce, J. Pinter, Jr, Paul

“…Reductions in the protein and nitrogen content of plants grown under enhanced atmospheric CO 2 concentrations could adversely affect the quality of food grown…”
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Photorespiratory Metabolism: Genes, Mutants, Energetics, and Redox Signaling by Foyer, Christine H, Bloom, Arnold J, Queval, Guillaume, Noctor, Graham

“…Photorespiration is a high-flux pathway that operates alongside carbon assimilation in C(3) plants. Because most higher plant species photosynthesize using…”
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Responses of Arabidopsis and Wheat to Rising CO₂ Depend on Nitrogen Source and Nighttime CO₂ Levels by Asensio, Jose Salvador Rubio, Rachmilevitch, Shimon, Bloom, Arnold J.

“…A major contributor to the global carbon cycle is plant respiration. Elevated atmospheric CO₂ concentrations may either accelerate or decelerate plant…”
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Breeding for Higher Yields of Wheat and Rice through Modifying Nitrogen Metabolism by Kasemsap, Pornpipat, Bloom, Arnold J

“…Wheat and rice produce nutritious grains that provide 32% of the protein in the human diet globally. Here, we examine how genetic modifications to improve…”
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Novel method for the quantification of rosette area from images of Arabidopsis seedlings grown on agar plates by Knapp, Anna, Stefani, Jordan, Katz, Ella, Bloom, Arnold J.

“…Premise The agar‐based culture of Arabidopsis seedlings is widely used for quantifying root traits. Shoot traits are generally overlooked in these studies,…”
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Easy as piadcs: A low‐cost, ultra‐high‐resolution data acquisition system using a Raspberry Pi by Knapp, Anna, Bloom, Arnold J.

“…Premise High‐precision data acquisition (DAQ) is essential for developing new methods in the plant sciences. Commercial high‐resolution DAQ systems are cost…”
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Remote learning slightly decreased student performance in an introductory undergraduate course on climate change by Ghosh, Sattik, Pulford, Stephanie, Bloom, Arnold J

“…Abstract Public understanding about complex issues such as climate change relies heavily on online resources. Yet the role that online instruction should…”
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Does Low Stomatal Conductance or Photosynthetic Capacity Enhance Growth at Elevated CO₂ in Arabidopsis? by Easlon, Hsien Ming, Carlisle, Eli, McKay, John K., Bloom, Arnold J.

“…The objective of this study was to determine if low stomatal conductance (g) increases growth, nitrate (NO₃⁻) assimilation, and nitrogen (N) utilization at…”
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Nitrate assimilation in plant shoots depends on photorespiration by Rachmilevitch, S, Cousins, A.B, Bloom, A.J

“…Photorespiration, a process that diminishes net photosynthesis by ≈25% in most plants, has been viewed as the unfavorable consequence of plants having evolved…”
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Metal regulation of metabolism by Bloom, Arnold J

“…[Display omitted] A broad range of biochemicals, from proteins to nucleic acids, function properly only when associated with a metal, usually a divalent…”
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Impacts of elevated atmospheric CO2 on nutrient content of important food crops by Dietterich, Lee H., Zanobetti, Antonella, Kloog, Itai, Huybers, Peter, Leakey, Andrew D. B., Bloom, Arnold J., Carlisle, Eli, Fernando, Nimesha, Fitzgerald, Glenn, Hasegawa, Toshihiro, Holbrook, N. Michele, Nelson, Randall L., Norton, Robert, Ottman, Michael J., Raboy, Victor, Sakai, Hidemitsu, Sartor, Karla A., Schwartz, Joel, Seneweera, Saman, Usui, Yasuhiro, Yoshinaga, Satoshi, Myers, Samuel S.

“…One of the many ways that climate change may affect human health is by altering the nutrient content of food crops. However, previous attempts to study the…”
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Inorganic nitrogen form: a major player in wheat and Arabidopsis responses to elevated CO2 by Rubio-Asensio, José S, Bloom, Arnold J

“…Critical for predicting the future of primary productivity is a better understanding of plant responses to rising atmospheric carbon dioxide (CO2)…”
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Nitrogen Assimilation and Growth of Wheat under Elevated Carbon Dioxide by Bloom, Arnold J., Smart, David R., Nguyen, Duy T., Searles, Peter S.

“…Simultaneous measurements of CO2and O2fluxes from wheat (Triticum aestivum) shoots indicated that short-term exposures to elevated CO2concentrations diverted…”
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Relative association of Rubisco with manganese and magnesium as a regulatory mechanism in plants by Bloom, Arnold J., Kameritsch, Petra

“…Rubisco, the enzyme that constitutes as much as half of the protein in a leaf, initiates either the photorespiratory pathway that supplies reductant for the…”
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Metals and other ligands balance carbon fixation and photorespiration in chloroplasts by Shi, Xiaoxiao, Hannon, Nathan M., Bloom, Arnold J.

“…The behavior of many plant enzymes depends on the metals and other ligands to which they are bound. A previous study demonstrated that tobacco Rubisco binds…”
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Wheat grain yield decreased over the past 35 years, but protein content did not change by Bloom, Arnold J, Plant, Richard E

“…Abstract The extent to which rising atmospheric CO2 concentration has already influenced food production and quality is uncertain. Here, we analyzed annual…”
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Increasing CO2 threatens human nutrition by Myers, Samuel S, Zanobetti, Antonella, Kloog, Itai, Huybers, Peter, Leakey, Andrew D. B, Bloom, Arnold J, Carlisle, Eli, Dietterich, Lee H, Fitzgerald, Glenn, Hasegawa, Toshihiro, Holbrook, N. Michele, Nelson, Randall L, Ottman, Michael J, Raboy, Victor, Sakai, Hidemitsu, Sartor, Karla A, Schwartz, Joel, Seneweera, Saman, Tausz, Michael, Usui, Yasuhiro

“…Dietary deficiencies of zinc and iron are a major global public health problem. An estimated two billion people suffer these deficiencies causing a loss of 63…”
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