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Artykuły w czasopismach na temat „Aerobic limitation”

Autor: Grafiati
Data publikacji: 13 września 2024
Data aktualizacji: 31 lipca 2025

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1

Walker, Timothy J., Jessica M. Tullar, Pamela M. Diamond, Harold W. Kohl, and Benjamin C. Amick. "The Relation of Combined Aerobic and Muscle-Strengthening Physical Activities With Presenteeism." Journal of Physical Activity and Health 14, no. 11 (2017): 893–98. http://dx.doi.org/10.1123/jpah.2016-0696.

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Background: There is a need to understand physical activity types associated with health-related work limitations (also known as presenteeism). This study tests whether additive effects between physical activity types are associated with health-related work limitations among employees from a public university system. Methods: A cross-sectional study using health assessment data (n = 10,791) was used to examine aims. Analysis of covariance models tested differences in work limitations between physical activity groups based on combinations of stretching behavior, aerobic, and muscle-strengthenin
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2

Fredlund, Elisabeth, Lars M. Blank, Johan Schnürer, Uwe Sauer, and Volkmar Passoth. "Oxygen- and Glucose-Dependent Regulation of Central Carbon Metabolism in Pichia anomala." Applied and Environmental Microbiology 70, no. 10 (2004): 5905–11. http://dx.doi.org/10.1128/aem.70.10.5905-5911.2004.

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ABSTRACT We investigated the regulation of the central aerobic and hypoxic metabolism of the biocontrol and non-Saccharomyces wine yeast Pichia anomala. In aerobic batch culture, P. anomala grows in the respiratory mode with a high biomass yield (0.59 g [dry weight] of cells g of glucose−1) and marginal ethanol, glycerol, acetate, and ethyl acetate production. Oxygen limitation, but not glucose pulse, induced fermentation with substantial ethanol production and 10-fold-increased ethyl acetate production. Despite low or absent ethanol formation, the activities of pyruvate decarboxylase and alco
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3

Suyama, Tetsushi, Toru Shigematsu, Toshihiko Suzuki, et al. "Photosynthetic Apparatus in Roseateles depolymerans 61A Is Transcriptionally Induced by Carbon Limitation." Applied and Environmental Microbiology 68, no. 4 (2002): 1665–73. http://dx.doi.org/10.1128/aem.68.4.1665-1673.2002.

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ABSTRACT Production of a photosynthetic apparatus in Roseateles depolymerans 61A, a recently discovered freshwater β-Proteobacterium showing characteristics of aerobic phototrophic bacteria, was observed when the cells were subjected to a sudden decrease in carbon sources (e.g., when cells grown with 0.1 to 0.4% Casamino Acids were diluted or transferred into medium containing ≤0.04% Casamino Acids). Accumulation of bacteriochlorophyll (BChl) a was observed in the presence of oxygen and was enhanced under semiaerobic conditions (2% oxygen) but was reduced in the presence of light. Similarly to
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4

Garayburu-Caruso, Vanessa A., James C. Stegen, Hyun-Seob Song, et al. "Carbon Limitation Leads to Thermodynamic Regulation of Aerobic Metabolism." Environmental Science & Technology Letters 7, no. 7 (2020): 517–24. http://dx.doi.org/10.1021/acs.estlett.0c00258.

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Sperandio, Evandro F., Anderson S. Alexandre, Liu C. Yi, et al. "Functional aerobic exercise capacity limitation in adolescent idiopathic scoliosis." Spine Journal 14, no. 10 (2014): 2366–72. http://dx.doi.org/10.1016/j.spinee.2014.01.041.

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6

Chen, Guang Hao, Wun Jern Ng, Hiroaki Ozaki, and Yutaka Terashima. "Determination of dissolved oxygen limitation in aerobic biofilm reactors." Resources, Conservation and Recycling 11, no. 1-4 (1994): 73–81. http://dx.doi.org/10.1016/0921-3449(94)90079-5.

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Chen, Guang Hao. "Prediction of oxygen limitation in an aerobic biofilm reactor." Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology 31, no. 10 (1996): 2465–75. http://dx.doi.org/10.1080/10934529609376503.

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8

Bradley, J. A., S. Arndt, J. P. Amend, et al. "Widespread energy limitation to life in global subseafloor sediments." Science Advances 6, no. 32 (2020): eaba0697. http://dx.doi.org/10.1126/sciadv.aba0697.

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Microbial cells buried in subseafloor sediments comprise a substantial portion of Earth’s biosphere and control global biogeochemical cycles; however, the rate at which they use energy (i.e., power) is virtually unknown. Here, we quantify organic matter degradation and calculate the power utilization of microbial cells throughout Earth’s Quaternary-age subseafloor sediments. Aerobic respiration, sulfate reduction, and methanogenesis mediate 6.9, 64.5, and 28.6% of global subseafloor organic matter degradation, respectively. The total power utilization of the subseafloor sediment biosphere is 3
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9

Strubbe, Laurence, Margot Pennewaerde, Janis E. Baeten, and Eveline I. P. Volcke. "Continuous aerobic granular sludge plants: Better settling versus diffusion limitation." Chemical Engineering Journal 428 (January 2022): 131427. http://dx.doi.org/10.1016/j.cej.2021.131427.

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10

Karsten, Marlus, Laura Maria Tomazi Neves, Victor Ribeiro Neves, et al. "Recent myocardial infarction patients present ventilatory limitation during aerobic exercise." International Journal of Cardiology 161, no. 3 (2012): 180–81. http://dx.doi.org/10.1016/j.ijcard.2012.06.026.

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11

Manché, Karen, Lucinda Notley-McRobb, and Thomas Ferenci. "Mutational Adaptation of Escherichia coli to Glucose Limitation Involves Distinct Evolutionary Pathways in Aerobic and Oxygen-Limited Environments." Genetics 153, no. 1 (1999): 5–12. http://dx.doi.org/10.1093/genetics/153.1.5.

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Abstract Mutational adaptations leading to improved glucose transport were followed with Escherichia coli K-12 growing in glucose-limited continuous cultures. When populations were oxygen limited as well as glucose limited, all bacteria within 280 generations contained mutations in a single codon of the ptsG gene. V12F and V12G replacements in the enzyme IIBCGlc component of the glucose phosphotransferase system were responsible for improved transport. In stark contrast, ptsG mutations were uncommon in fully aerobic glucose-limited cultures, in which polygenic mutations in mgl, mlc, and malT (
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12

Hammond, K. A., M. A. Chappell, R. A. Cardullo, R. Lin, and T. S. Johnsen. "The mechanistic basis of aerobic performance variation in red junglefowl." Journal of Experimental Biology 203, no. 13 (2000): 2053–64. http://dx.doi.org/10.1242/jeb.203.13.2053.

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We examined aerobic performance, organ and muscle mass and enzymatic activity in red junglefowl (Gallus gallus). We tested three models of performance limitation (central limits, peripheral limits, symmorphosis) and explored relationships between basal metabolic rate (BMR), aerobic capacity (V (O2max)) and social rank. Males had a lower BMR, a higher V (O2max) and a greater aerobic scope than females. Females possessed larger peritoneal and reproductive organs, while males had larger hearts, lungs and leg muscles. In females, BMR was correlated with spleen mass and V (O2max) was correlated wit
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13

COUNIL, FRAN??OIS-PIERRE, ALAIN VARRAY, CHANTAL KARILA, MAURICE HAYOT, MICHEL VOISIN, and CHRISTIAN PR??FAUT. "Wingate test performance in children with asthma: aerobic or anaerobic limitation?" Medicine &amp Science in Sports &amp Exercise 29, no. 4 (1997): 430–35. http://dx.doi.org/10.1097/00005768-199704000-00002.

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14

Leal, Juliane Barroso, Juçara Barroso Leal, Joaline Barroso Portela Leal, et al. "Grape juice and aerobic exercise on blood pressure." Nutrition & Food Science 50, no. 5 (2019): 987–98. http://dx.doi.org/10.1108/nfs-08-2019-0256.

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Purpose This paper aims to verify the effect of 12 weeks of grape juice (GJ) consumption associated with aerobic exercise on the variation of the hypertensive elderly pressure. Design/methodology/approach A total of 45 hypertensive elderly of both sexes were distributed into: control group (CG, n = 10), exercise group (EG, n = 10), juice group (JG, n = 12) and juice and exercise group (JEG, n = 13). Blood pressure and heart rate were checked weekly before exercise in JG and JEG, and before and after intervention in all groups, with JG and JEG supplemented with 200 mL of GJ. Three weekly sessio
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15

Rubalcaba, Juan G., Wilco C. E. P. Verberk, A. Jan Hendriks, Bart Saris, and H. Arthur Woods. "Oxygen limitation may affect the temperature and size dependence of metabolism in aquatic ectotherms." Proceedings of the National Academy of Sciences 117, no. 50 (2020): 31963–68. http://dx.doi.org/10.1073/pnas.2003292117.

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Both oxygen and temperature are fundamental factors determining metabolic performance, fitness, ecological niches, and responses of many aquatic organisms to climate change. Despite the importance of physical and physiological constraints on oxygen supply affecting aerobic metabolism of aquatic ectotherms, ecological theories such as the metabolic theory of ecology have focused on the effects of temperature rather than oxygen. This gap currently impedes mechanistic models from accurately predicting metabolic rates (i.e., oxygen consumption rates) of aquatic organisms and restricts predictions
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16

Awang, Mohd Aminur Izuan, Norhazira Abdul Rahim, Nurul Fadhilah Abdullah, and Nor Aijratul Asikin Mohamad Shalan. "Aerobic Fitness Level Among University Athletes During Movement Control Order in Malaysia." Jurnal Sains Sukan & Pendidikan Jasmani, no. 11 (December 28, 2022): 55–61. https://doi.org/10.37134/jsspj.vol11.2.6.2022.

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Aerobic fitness level is one of the important components to maintain and improve athletes' performance. Movement Control Order (MCO) is hypothesized to affect athletes in terms of sustaining their aerobic fitness level. The purpose of this present study was to identify the aerobic fitness level among university athletes during the MCO. Fifty university athletes (age: 19 – 26 years old) from Sultan Idris Education University (UPSI) had participated in this study. The athletes completed a CLINIMEX aerobic fitness questionnaire through Google Form to estimate their aerobic fitness level. As the r
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17

Lendraitiene, Egle, Laura Smilgiene, Daiva Petruseviciene, and Raimondas Savickas. "Changes and Associations between Cervical Range of Motion, Pain, Temporomandibular Joint Range of Motion and Quality of Life in Individuals with Migraine Applying Physiotherapy: A Pilot Study." Medicina 57, no. 6 (2021): 630. http://dx.doi.org/10.3390/medicina57060630.

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Background and Objectives: The aim of this study was to assess the effects of physiotherapy with aerobic exercise together with temporomandibular joint range of motion exercises (supervised) and physiotherapy with aerobic exercise only (unsupervised), also to review the correlations between neck movements, pain, temporomandibular joint range of motion movements and quality of life in individuals with migraine. Methods: The flexion, extension and lateral flexion of the cervical spine were measured in degrees with a mechanical goniometer and pressure pain thresholds with algometer. Quality of li
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18

Fong, Karen P., Ling Gao, and Donald R. Demuth. "luxS and arcB Control Aerobic Growth of Actinobacillus actinomycetemcomitans under Iron Limitation." Infection and Immunity 71, no. 1 (2003): 298–308. http://dx.doi.org/10.1128/iai.71.1.298-308.2003.

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ABSTRACT LuxS is responsible for the production of autoinducer 2 (AI-2), which functions in Vibrio harveyi as a quorum-sensing signal that controls the cell density-dependent expression of the lux operon. In nonluminescent organisms, the physiologic role of AI-2 is not clear. We report that inactivation of luxS in Actinobacillus actinomycetemcomitans JP2 results in reduced growth of the mutant, but not the wild-type organism, under aerobic, iron-limited conditions. Stunted cultures of the luxS mutant A. actinomycetemcomitans JP2-12 grew to high cell density when subcultured under iron-replete
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19

Ende, Frank P., Anniet M. Laverman, and Hans Gemerden. "Coexistence of aerobic chemotrophic and anaerobic phototrophic sulfur bacteria under oxygen limitation." FEMS Microbiology Ecology 19, no. 3 (1996): 141–51. http://dx.doi.org/10.1111/j.1574-6941.1996.tb00207.x.

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VANDENENDE, F., A. LAVERMAN, and H. VANGEMERDEN. "Coexistence of aerobic chemotrophic and anaerobic phototrophic sulfur bacteria under oxygen limitation." FEMS Microbiology Ecology 19, no. 3 (1996): 141–51. http://dx.doi.org/10.1016/0168-6496(95)00082-8.

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21

DeCicco, Ethan M., Neively Tlapale-Lara, and Shauna M. Paradine. "Incorporating azaheterocycle functionality in intramolecular aerobic, copper-catalyzed aminooxygenation of alkenes." RSC Advances 14, no. 39 (2024): 28822–26. http://dx.doi.org/10.1039/d4ra06178k.

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A key limitation across aminofunctionalizations is incompatibility with substrates bearing medicinally relevant N-heterocycles; in contrast, this aerobic, Cu-catalyzed aminooxygenation engages a diverse range of N-heterocycle-bearing substrates.
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22

Punrattanasin, W., A. A. Randall, and C. W. Randall. "Aerobic production of activated sludge polyhydroxyalkanoates from nutrient deficient wastewaters." Water Science and Technology 54, no. 8 (2006): 1–8. http://dx.doi.org/10.2166/wst.2006.757.

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It was found that aerobic strategies combined with multiple nutrient limitations produced greater quantities of polyhydroxyalkanoates (PHAs) than strategies relying on oxygen limitation (either micro-aerophilic or anaerobic/aerobic). This was true both for a synthetic wastewater composed of acetic and propionic acid, and also for a nutrient deficient industrial wastewater. PHA/substrate yields were shown to be comparable to axenic systems for many operating strategies analyzed, and it was found that PHA composition could be affected by process operational conditions. The molecular weight and m
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23

Hochachka, P. W., J. C. Nener, J. Hoar, R. K. Saurez, and S. C. Hand. "Disconnecting metabolism from adenylate control during extreme oxygen limitation." Canadian Journal of Zoology 71, no. 6 (1993): 1267–70. http://dx.doi.org/10.1139/z93-173.

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When deprived of oxygen, the desert locust (Schistocerca gregaria) enters a state of apparent dormancy, from which it can recover when oxygen is again made available. Calorimetric measurements show that with an atmosphere of 100% nitrogen, energy flow in locusts reaches a new steady-state rate of heat dissipation of only 6 – 7% of aerobic values. Metabolite analysis shows large decreases in concentrations of arginine phosphate and adenosine triphosphate during anoxia, while adenosine monophosphate, lactate, α-glycerophosphate, and Pi accumulate to significantly elevated levels during anoxia. T
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24

Hopkins, S. R., D. C. McKenzie, R. B. Schoene, R. W. Glenny, and H. T. Robertson. "Pulmonary gas exchange during exercise in athletes. I. Ventilation-perfusion mismatch and diffusion limitation." Journal of Applied Physiology 77, no. 2 (1994): 912–17. http://dx.doi.org/10.1152/jappl.1994.77.2.912.

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To investigate pulmonary gas exchange during exercise in athletes, 10 high aerobic capacity athletes (maximal aerobic capacity = 5.15 +/- 0.52 l/min) underwent testing on a cycle ergometer at rest, 150 W, 300 W, and maximal exercise (372 +/- 22 W) while trace amounts of six inert gases were infused intravenously. Arterial blood samples, mixed expired gas samples, and metabolic data were obtained. Indexes of ventilation-perfusion (VA/Q) mismatch were calculated by the multiple inert gas elimination technique. The alveolar-arterial difference for O2 (AaDO2) was predicted from the inert gas model
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Taboada, Hermenegildo, Sergio Encarnación, María del Carmen Vargas, et al. "Thiamine limitation determines the transition from aerobic to fermentative-like metabolism inRhizobium etliCE3." FEMS Microbiology Letters 279, no. 1 (2008): 48–55. http://dx.doi.org/10.1111/j.1574-6968.2007.01006.x.

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Smith, Daniel P. "Oxygen flux limitation in aerobic fixed-film biotreatment of a hazardous landfill leachate." Journal of Hazardous Materials 44, no. 1 (1995): 77–91. http://dx.doi.org/10.1016/0304-3894(95)00050-5.

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Valdez, Josie A. "Mapping Suitable Areas of Central Luzon, Philippines for Aerobic Rice Production Using GIS-Based Land Suitability Analysis." Philippine Journal of Agricultural Economics 2, no. 1 (2018): 107–31. http://dx.doi.org/10.7719/pjae.v2i1.549.

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Aerobic rice technology is a production system which involved drought-tolerant rice varieties grown in non-flooded and non-puddled soil in water-scarce areas with appropriate cultural management practices aiming at yield level up to 6.0 tons ha. The study presented suitability maps and spatial data to aerobic rice under different production environments of the Central Luzon Region, Philippines. Simple limitation approach (SLA) was used to derive the overall suitability of aerobic rice production in these areas. Spatial datasets gathered from official sources were likewise used. Of the seven pr
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28

Stickland, Michael K., Scott J. Butcher, Darcy D. Marciniuk, and Mohit Bhutani. "Assessing Exercise Limitation Using Cardiopulmonary Exercise Testing." Pulmonary Medicine 2012 (2012): 1–13. http://dx.doi.org/10.1155/2012/824091.

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The cardiopulmonary exercise test (CPET) is an important physiological investigation that can aid clinicians in their evaluation of exercise intolerance and dyspnea. Maximal oxygen consumption (V˙O2max) is the gold-standard measure of aerobic fitness and is determined by the variables that define oxygen delivery in the Fick equation (V˙O2= cardiac output × arterial-venous O2content difference). In healthy subjects, of the variables involved in oxygen delivery, it is the limitations of the cardiovascular system that are most responsible for limiting exercise, as ventilation and gas exchange are
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Duke, Joseph W., Amy M. Zidron, Igor M. Gladstone, and Andrew T. Lovering. "Alleviating mechanical constraints to ventilation with heliox improves exercise endurance in adult survivors of very preterm birth." Thorax 74, no. 3 (2018): 302–4. http://dx.doi.org/10.1136/thoraxjnl-2018-212346.

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Adult survivors of very preterm birth (PRET) have significantly lower aerobic exercise capacities than their counterparts born at term (CONT), but the underlying cause is unknown. To test whether expiratory flow limitation (EFL) during exercise negatively affects exercise endurance in PRET, we had PRET and CONT exercise to exhaustion breathing air and again breathing heliox. In PRET, EFL decreased and time-to-exhaustion increased significantly while breathing heliox. Heliox had a minimal effect on EFL and had no effect on time-to-exhaustion in CONT. We conclude that aerobic exercise endurance
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Sneidere, Kristine, Jelena Harlamova, Zane Ulmane, Voldemars Arnis, Andra Vanaga, and Ainars Stepens. "RELATIONSHIP BETWEEN INVOLVEMENT IN LONG- TERM REGULAR PHYSICAL ACTIVITY AND MEMORY: PRELIMINARY RESULTS." Baltic Journal of Sport and Health Sciences 4, no. 107 (2017): 23–27. http://dx.doi.org/10.33607/bjshs.v4i107.36.

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Background. Ageing of the Western Society has become both – economic and social concern. Ageing has both – biological and psychological consequences, and, with changes in the brain due to ageing (e.g. decline in the brain volume in frontal, parietal and temporal areas, as well as hippocampus (Colcombe et al., 2003; Erickson, Voss, Shaurya, Basak, & Szabo, 2011)), there are changes in cognitive functioning. For the past years, research has indicated a relationship between aerobic activity interventions and increase in episodic memory (Ruscheweyh et al., 2011), face recognition associative m
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Vijayaraghavareddy, Preethi, Yin Xinyou, Paul C. Struik, Udayakumar Makarla, and Sheshshayee Sreeman. "Responses of Lowland, Upland and Aerobic Rice Genotypes to Water Limitation During Different Phases." Rice Science 27, no. 4 (2020): 345–54. http://dx.doi.org/10.1016/j.rsci.2020.05.009.

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Nakano, Michiko M., and Yi Zhu. "Involvement of ResE Phosphatase Activity in Down-Regulation of ResD-Controlled Genes in Bacillus subtilis during Aerobic Growth." Journal of Bacteriology 183, no. 6 (2001): 1938–44. http://dx.doi.org/10.1128/jb.183.6.1938-1944.2001.

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ABSTRACT The ResD-ResE signal transduction system is required for aerobic and anaerobic respiration in Bacillus subtilis. The histidine sensor kinase ResE, by functioning as a kinase and a phosphatase for the cognate response regulator ResD, controls the level of phosphorylated ResD. A high level of phosphorylated ResD is postulated to cause a dramatic increase in transcription of ResDE-controlled genes under anaerobic conditions. A mutant ResE, which retains autophosphorylation and ResD phosphorylation activities but is defective in ResD dephosphorylation, allowed partially derepressed aerobi
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Gibson, Carmela M., T. Conn Mallett, Al Claiborne, and Michael G. Caparon. "Contribution of NADH Oxidase to Aerobic Metabolism of Streptococcus pyogenes." Journal of Bacteriology 182, no. 2 (2000): 448–55. http://dx.doi.org/10.1128/jb.182.2.448-455.2000.

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ABSTRACT An understanding of how the heme-deficient gram-positive bacteriumStreptococcus pyogenes establishes infections in O2-rich environments requires careful analysis of the gene products important in aerobic metabolism. NADH oxidase (NOXase) is a unique flavoprotein of S. pyogenes and other lactic acid bacteria which directly catalyzes the four-electron reduction of O2 to H2O. To elucidate a putative role for this enzyme in aerobic metabolism, NOXase-deficient mutants were constructed by insertional inactivation of the gene that encodes NOXase. Characterization of the resulting mutants re
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Tokutomi, T., T. Kiyokawa, C. Shibayama, H. Harada, and A. Ohashi. "Effect of inorganic carbon on nitrite accumulation in an aerobic granule reactor." Water Science and Technology 53, no. 12 (2006): 285–94. http://dx.doi.org/10.2166/wst.2006.431.

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Pilot scale experiments were performed to evaluate the potential of nitrite type nitrification process with an airlift reactor and granular biomass. Initially, oxygen limitation was used as the main control parameter for accumulating nitrite in the effluent. After 30 d operation, the maximum nitrite conversion rate reached 2.5 kgNO2-N m−3 d−1, average diameter of the granule was 0.7 mm. Nitrite type reaction continued over 100 d, but nitrate formation increased after 150 d of operation. Once nitrate formation increased, oxygen limitation could not eliminate nitrite oxidising bacteria from gran
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Frederich, Markus, and Hans O. Pörtner. "Oxygen limitation of thermal tolerance defined by cardiac and ventilatory performance in spider crab, Maja squinado." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 279, no. 5 (2000): R1531—R1538. http://dx.doi.org/10.1152/ajpregu.2000.279.5.r1531.

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Geographic distribution limits of ectothermal animals appear to be correlated with thermal tolerance thresholds previously identified from the onset of anaerobic metabolism. Transition to these critical temperatures was investigated in the spider crab ( Maja squinado) with the goal of identifying the physiological processes limiting thermal tolerance. Heart and ventilation rates as well as Po 2 in the hemolymph were recorded on-line during progressive temperature change between 12 and 0°C (1°C/h) and between 12 and 40°C (2°C/h). Lactate and succinate were measured in tissues and hemolymph afte
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Mota, Susana, Pere Casan, Franchek Drobnic, et al. "Expiratory flow limitation during exercise in competition cyclists." Journal of Applied Physiology 86, no. 2 (1999): 611–16. http://dx.doi.org/10.1152/jappl.1999.86.2.611.

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In some trained athletes, maximal exercise ventilation is believed to be constrained by expiratory flow limitation (FL). Using the negative expiratory pressure method, we assessed whether FL was reached during a progressive maximal exercise test in 10 male competition cyclists. The cyclists reached an average maximal O2 consumption of 72 ml ⋅ kg−1 ⋅ min−1(range: 67–82 ml ⋅ kg−1 ⋅ min−1) and ventilation of 147 l/min (range: 122–180 l/min) (88% of preexercise maximal voluntary ventilation in 15 s). In nine subjects, FL was absent at all levels of exercise (i.e., expiratory flow increased with ne
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Notley-McRobb, Lucinda, Rachel Pinto, Shona Seeto, and Thomas Ferenci. "Regulation of mutY and Nature of Mutator Mutations in Escherichia coli Populations under Nutrient Limitation." Journal of Bacteriology 184, no. 3 (2002): 739–45. http://dx.doi.org/10.1128/jb.184.3.739-745.2002.

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ABSTRACT Previous analysis of aerobic, glucose-limited continuous cultures of Escherichia coli revealed that G:C-to-T:A (G:C→T:A) transversions were the most commonly occurring type of spontaneous mutation. One possible explanation for the preponderance of these mutations was that nutrient limitation repressed MutY-dependent DNA repair, resulting in increased proportions of G:C→T:A transversions. The regulation of the mutY-dependent DNA repair system was therefore studied with a transcriptional mutY-lacZ fusion recombined into the chromosome. Expression from the mutY promoter was fourfold high
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Yadav, Amit, Swati Gupta, Paula Istvan, and Zeev Ronen. "Effects of Perchlorate and Other Groundwater Inorganic Co-Contaminants on Aerobic RDX Degradation." Microorganisms 10, no. 3 (2022): 663. http://dx.doi.org/10.3390/microorganisms10030663.

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Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) pollution is accompanied by other co-contaminants, such as perchlorate and chlorates, which can retard biodegradation. The effects of perchlorate and chlorate on aerobic RDX degradation remain unclear. We hypothesized that they have a negative or no impact on aerobic RDX-degrading bacteria. We used three aerobic RDX-degrading strains—Rhodococcus strains YH1 and T7 and Gordonia YY1—to examine this hypothesis. The strains were exposed to perchlorate, chlorate, and nitrate as single components or in a mixture. Their growth, degradation activity, and g
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Sato-Takabe, Yuki, Koji Hamasaki, and Koji Suzuki. "Photosynthetic Competence of the Marine Aerobic Anoxygenic Phototrophic Bacterium Roseobacter sp. under Organic Substrate Limitation." Microbes and Environments 29, no. 1 (2014): 100–103. http://dx.doi.org/10.1264/jsme2.me13130.

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Campillo-Gimenez, Laure, Michael Li, Elsa Molina, and Peter B. Ernst. "Adenosine receptor signaling regulates effector T cell activation through the limitation of aerobic glucose metabolism." Journal of Immunology 208, no. 1_Supplement (2022): 165.01. http://dx.doi.org/10.4049/jimmunol.208.supp.165.01.

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Abstract Background In a mouse model of colitis, we previously reported the protective role of the adenosine axis on effector T (Teff) cell responses and disease progression. Inflammatory reactions are paired with cell metabolic reprogramming from oxidative phosphorylation (OXPHOS) to aerobic glycolysis which is also a hallmark of T cell activation. Thus, we sought to evaluate the role of the adenosine 2A receptor (A2AR) signaling in the regulation of T cell metabolism. Methods Teff cells were reactivated in the presence or absence of A2AR agonists. Gene expression of mTOR, HIF-1α and cMyc (tr
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Szortyka, Michele Fonseca, Viviane Batista Cristiano, and Paulo Belmonte-de-Abreu. "Aerobic and Postural Strength Exercise Benefits in People with Schizophrenia." International Journal of Environmental Research and Public Health 20, no. 4 (2023): 3421. http://dx.doi.org/10.3390/ijerph20043421.

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Background: This study aimed to evaluate the effect of two different types of physical intervention on sedentary behavior and clinical changes in people with schizophrenia. Method: This is a clinical trial including people with schizophrenia in regular outpatient care who realized a 3-month exercise protocol and were separated into two groups: aerobic physical intervention (API) and postural physical intervention (PPI). All participants performed an assessment of (a) functional capacity through a 6 min walk test (6MWT), (b) flexibility using Well’s bench, (c) disease severity using the Brief P
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Kijowski, Jacek, Celina Marciszewska, Renata Cegielska-Radziejewska, and Anna Popiół. "Effect of Lysozyme Treatment on Quality and Bacterial Contamination of Chilled Chicken Legs." Bulletin of the Veterinary Institute in Pulawy 57, no. 1 (2013): 79–84. http://dx.doi.org/10.2478/bvip-2013-0015.

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AbstractThe effect of spraying lysozyme solutions of varying activity on microbiological stability and organoleptic features of chicken legs with skin was investigated. Lysozyme was applied at concentrations ranging from 3,000 to 48,000 U/mL. The effect of storage time at 4oC on the total aerobic bacterial count, coli titre, occurrence of enterococci, anaerobic spore forming bacilli, and pathogenic staphylococci was analysed along with the examination of sensory quality attributes. The investigations showed that the addition of lysozyme resulted in a considerable inhibition of growth of the in
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Lewis, Gregory D., Atsushi Tada, Isabela Landsteiner, and Barry A. Borlaug. "Physiologic Phenotyping of Responses to Exercise and Activity in Heart Failure." Circulation Research 137, no. 2 (2025): 290–315. https://doi.org/10.1161/circresaha.125.325534.

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Subjective and objective limitations to exercise and activity are hallmarks of heart failure (HF), regardless of underlying ejection fraction (EF). These limitations relate to cardiovascular abnormalities involving the systolic and diastolic properties of the heart, venous, and arterial vasculature, as well as noncardiovascular abnormalities, including impairments in pulmonary function, autonomic regulation, anemia, metabolism, and changes in mitochondria and skeletal muscle. The contribution of these abnormalities varies between patients with HF with preserved EF and those with HF with reduce
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Chappell, M. A., C. Bech, and W. A. Buttemer. "The relationship of central and peripheral organ masses to aerobic performance variation in house sparrows." Journal of Experimental Biology 202, no. 17 (1999): 2269–79. http://dx.doi.org/10.1242/jeb.202.17.2269.

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We evaluated the relationship between organ mass and the limits to aerobic metabolism in house sparrows Passer domesticus. The results were used to test three models of performance limitation (the central limitation, peripheral limitation and symmorphosis concepts). Basal metabolic rate (BMR) was determined during the rest phase. The maximum rate of oxygen consumption during exercise (v_dot (O2max)) was measured in an enclosed wheel that allowed limited hovering flight. Neither BMR nor v_dot (O2max) was affected by gender, but adults had significantly higher v_dot (O2max) and lower BMR than ju
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Filali, Ahlem, Yolaine Bessiere, and Mathieu Sperandio. "Effects of oxygen concentration on the nitrifying activity of an aerobic hybrid granular sludge reactor." Water Science and Technology 65, no. 2 (2012): 289–95. http://dx.doi.org/10.2166/wst.2012.795.

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The aim of the work was to quantify the influence of the simultaneous presence of flocs and granules in the nitrifying activity in a sequencing batch airlift reactor (SBAR). The nitrification rate and oxygen limitation of flocs, granules and hybrid sludge was investigated using respirometric assays at different dissolved oxygen concentrations. The spatial distribution of Ammonium Oxidizing Bacteria (AOB) and Nitrite Oxidizing Bacteria (NOB) was investigated using fluorescence in situ hybridization (FISH). Results showed that the nitrification rate was much less sensitive to oxygen limitation i
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Houweling, Dwight, Yves Comeau, Imre Takács, and Peter Dold. "Uncertainty and variability in enhanced biological phosphorus removal (EBPR) stoichiometry: consequences for process modelling and optimization." Water Science and Technology 61, no. 7 (2010): 1793–800. http://dx.doi.org/10.2166/wst.2010.975.

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The overall potential for enhanced biological phosphorus removal (EBPR) in the activated sludge process is constrained by the availability of volatile fatty acids (VFAs). The efficiency with which polyphosphate accumulating organisms (PAOs) use these VFAs for P-removal, however, is determined by the stoichiometric ratios governing their anaerobic and aerobic metabolism. While changes in anaerobic stoichiometry due to environmental conditions do affect EBPR performance to a certain degree, model-based analyses indicate that variability in aerobic stoichiometry has the greatest impact. Long-term
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Jiang, Qing-Qiao, and Lars R. Bakken. "Nitrous Oxide Production and Methane Oxidation by Different Ammonia-Oxidizing Bacteria." Applied and Environmental Microbiology 65, no. 6 (1999): 2679–84. http://dx.doi.org/10.1128/aem.65.6.2679-2684.1999.

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ABSTRACT Ammonia-oxidizing bacteria (AOB) are thought to contribute significantly to N2O production and methane oxidation in soils. Most of our knowledge derives from experiments withNitrosomonas europaea, which appears to be of minor importance in most soils compared to Nitrosospira spp. We have conducted a comparative study of levels of aerobic N2O production in six phylogenetically different Nitrosospirastrains newly isolated from soils and in two N. europaeaand Nitrosospira multiformis type strains. The fraction of oxidized ammonium released as N2O during aerobic growth was remarkably cons
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Ensz, Andrew P., Charles W. Knapp, and David W. Graham. "Influence of Autochthonous Dissolved Organic Carbon and Nutrient Limitation on Alachlor Biotransformation in Aerobic Aquatic Systems." Environmental Science & Technology 37, no. 18 (2003): 4157–62. http://dx.doi.org/10.1021/es0303790.

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Nawaz, Z., N. A. Sheikh, and J. R. Khan. "PHYSICAL MASS TRANSFER MODEL AND SCALE-UP DESIGN PROCEDURE FOR AEROBIC BIOREACTORS." Nucleus 43, no. 1-4 (2020): 159–65. https://doi.org/10.71330/nucleus.43.01-4.1036.

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The scale-up design procedure based on new physical mass transfer model aerobic bioreactors is developed. This scale-up procedure can be used to determine the disc surface area needed to prevent an oxygen limitation or to obtain a specific degree of treatment. In contrast to the empirical and earliest rotating biological contactors performance model, a major advantage of the physical mass transfer model design is the prediction of the onset of oxygen limiting conditions since it accounts for the fact that low dissolved oxygen concentrations can limit the growth rate of the attached microorgani
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Verschuren, Olaf, Manon Bloemen, Cas Kruitwagen, and Tim Takken. "Reference Values for Aerobic Fitness in Children, Adolescents, and Young Adults Who Have Cerebral Palsy and Are Ambulatory." Physical Therapy 90, no. 8 (2010): 1148–56. http://dx.doi.org/10.2522/ptj.20090318.

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BackgroundVery few objective data exist regarding aerobic performance in young people with cerebral palsy (CP). The characterization of aerobic fitness could provide baseline and outcome measures for the rehabilitation of young people with CP.ObjectiveThe objective of this study was to provide reference values for aerobic fitness in a group of children, adolescents, and young adults who had CP and who were classified at Gross Motor Function Classification System (GMFCS) level I or II. Data were collected with 10-m shuttle run tests.DesignThis investigation was a cross-sectional observational s
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