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Journal articles on the topic 'PCR2'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 March 2023

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1

Yang, Hongjing, Zhiying Shan, Jaewha Kim, et al. "Regulatory Role of PopN and Its Interacting Partners in Type III Secretion of Pseudomonas aeruginosa." Journal of Bacteriology 189, no. 7 (2007): 2599–609. http://dx.doi.org/10.1128/jb.01680-06.

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ABSTRACT The type III secretion system (T3SS) of Pseudomonas aeruginosa plays a significant role in pathogenesis. We have previously identified type III secretion factor (TSF), which is required for effective secretion of the type III effector molecules, in addition to the low calcium signal. TSF includes many low-affinity high-capacity calcium binding proteins, such as serum albumin and casein. A search for the TSF binding targets on the bacterial outer membrane resulted in identification of PopN, a component of the T3SS that is readily detectable on the bacterial cell surface. PopN specifica

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2

Asthana, Meenu, M. S. Sodha, and K. P. Maheshwari. "Relativistic self-focusing of laser beams in time-harmonic plane waves: arbitrary intensity." Journal of Plasma Physics 51, no. 1 (1994): 155–62. http://dx.doi.org/10.1017/s002237780001744x.

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This paper presents a paraxial theory of relativistic self-focusing of a Gaussian laser beam in plasma for a time-harmonic plane wave at arbitrary beam intensity. Since the relativistic mechanism is instantaneous, the theory is also applicable to self-focusing of laser pulses. The analysis leads to two values for the critical beam power for self-focusing, Pcr1 and Pcr2. When P < Pcr1 < Pcr2, the beam diverges. When Pcr1 <P <pcr2, it first converges, then diverges, and so on. When P > Pcr2 it first diverges, then converges, and so on.

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Asthana, M., K. P. Maheshwari, and M. S. Sodha. "Nonlinear relativistic self-focusing of laser radiation in plasmas: Arbitrary intensity." Laser and Particle Beams 12, no. 4 (1994): 623–32. http://dx.doi.org/10.1017/s0263034600008508.

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A paraxial theory of relativistic self-focusing of a Gaussian laser beam in plasmas, when the nonlinear part of the effective dielectric constant is arbitrarily large, is presented. The plasma is taken to be homogeneous without any density fluctuations being necessary. The approach of Akhmanov et al. based on the WKB and paraxial ray approximations has been followed. It is seen that the saturating nature of nonlinearity leads to two values of critical power of the beam (Pcrl and Pcr2) for self-focusing. When the power of the beam P lies between the two critical values (i.e., Pcr1 < P < P

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4

Anguita-Maeso, Manuel, Carmen Haro, Juan A. Navas-Cortés, and Blanca B. Landa. "Primer Choice and Xylem-Microbiome-Extraction Method Are Important Determinants in Assessing Xylem Bacterial Community in Olive Trees." Plants 11, no. 10 (2022): 1320. http://dx.doi.org/10.3390/plants11101320.

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Understanding the unique and unexplored microbial environment of xylem sap is starting to be of relevant importance for plant health, as it could include microbes that may protect plants against xylem-limited pathogens, such as Verticillium dahliae and Xylella fastidiosa. In this study, we evaluated the effects that the method for extracting the xylem bacterial communities, the plant age and the PCR primers may have on characterizing the xylem-bacterial-community composition by using an NGS approach. Xylem sap was extracted from xylem vessels by using a Scholander pressure chamber, or by macer

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5

Lindinger, Michael I. "Origins of [H+] Changes in Exercising Skeletal Muscle." Canadian Journal of Applied Physiology 20, no. 3 (1995): 357–68. http://dx.doi.org/10.1139/h95-028.

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This brief review describes the main physicochemical factors that contribute to increases in intracellular hydrogen ion concentration ([H+]i) in mammalian skeletal muscle during high intensity exercise. High intensity exercise results in changes in the three main independent physicochemical variables: PCO2, the strong ion difference ([SID]), and total concentration of weak acids and bases ([Atot]), within the intracellular fluid compartment of contracting muscle that result in increased [H+]i. The decrease in [SID] contributes 62% to the increase in [H+]i, due to decreased [K+]i and increased

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6

Sodha, M. S., S. Konar, and K. P. Maheshwari. "Steady-state self-focusing of rippled laser beams in plasmas: arbitrary nonlinearity." Journal of Plasma Physics 48, no. 1 (1992): 107–18. http://dx.doi.org/10.1017/s0022377800016408.

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This paper presents an analysis of the self-focusing of a rippled Gaussian laser beam in a plasma when the nonlinear part of the effective dielectric constant is arbitrarily large. Considering the nonlinearity to arise from ponderomotive, collisional or thermal-conduction phenomena and following the approach of Akhmanov, Sukhorukov and Khokhlov (which is based on the WKB and paraxial-ray approximation) the phenomenon of self-focusing of rippled laser beams is studied for arbitrary magnitude of nonlinearity. For ponderomotive and collisional nonlinearities, the present theory leads to two value

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Munera Lopez, Jonathan, Isadonna F. Tengganu, Jun Liu, et al. "An apical protein, Pcr2, is required for persistent movement by the human parasite Toxoplasma gondii." PLOS Pathogens 18, no. 8 (2022): e1010776. http://dx.doi.org/10.1371/journal.ppat.1010776.

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The phylum Apicomplexa includes thousands of species of unicellular parasites that cause a wide range of human and animal diseases such as malaria and toxoplasmosis. To infect, the parasite must first initiate active movement to disseminate through tissue and invade into a host cell, and then cease moving once inside. The parasite moves by gliding on a surface, propelled by an internal cortical actomyosin-based motility apparatus. One of the most effective invaders in Apicomplexa is Toxoplasma gondii, which can infect any nucleated cell and any warm-blooded animal. During invasion, the parasit

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NETHERWOOD, T., M. BINNS, H. TOWNSEND, J. L. N. WOOD, J. A. MUMFORD, and N. CHANTER. "The Clostridium perfringens enterotoxin from equine isolates; its characterization, sequence and role in foal diarrhoea." Epidemiology and Infection 120, no. 2 (1998): 193–200. http://dx.doi.org/10.1017/s0950268897008534.

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During a survey of foal diarrhoea between 1991 and 1994, Clostridium perfringens was significantly associated with disease with 56% of cases infected [1]. The contribution of enterotoxigenic C. perfringens to this association, was assessed by use of the reverse passive latex agglutination test for enterotoxin (RPLA; Oxoid Unipath) and vero cell toxicity neutralized by antitoxin on stored faecal samples and sporulated faecal isolates of C. perfringens. Polymerase chain reaction (PCR1) based on the DNA sequence for the whole enterotoxin gene [2] yielded a fragment from an equine isolate of the a

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9

Nosadini, R., A. Avogaro, R. Trevisan, et al. "Acetoacetate and 3-hydroxybutyrate kinetics in obese and insulin-dependent diabetic humans." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 248, no. 5 (1985): R611—R620. http://dx.doi.org/10.1152/ajpregu.1985.248.5.r611.

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[3-14C]acetoacetate (AcAc) and beta-[3-14C]hydroxybutyrate (beta-OHB) administration, measurements of labeled AcAc and beta-OHB in blood, and kinetic modeling have been used to investigate ketone body (KB) metabolism in five normal, five obese, and eight insulin-withdrawn diabetic subjects. Diabetic subjects were divided in mildly ketotic (MKD) and highly ketotic (HKD) patients according to beta-OHB blood level. A four-compartmental model successfully described the tracer kinetic data in obese and normal subjects, whereas in diabetic patients a five-compartmental model was necessary. Obese sub

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10

Jimenez Champi, Diana Carolina, Tito Eduardo Llerena Daza, and Bettit Karim Salvá Ruiz. "Efecto de la inclusión de carne cruda en un paté cocido de carne mecánicamente recuperada de trucha arcoíris." Revista de Investigaciones Altoandinas - Journal of High Andean Research 23, no. 3 (2021): 125–32. http://dx.doi.org/10.18271/ria.2021.291.

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The fishing industry generates large quantities of by-products, most of which are not used and are therefore discarded. The objective of the present research was the elaboration of a pâté-type sausage from mechanically recovered meat of rainbow trout (Oncorhynchus mykiss). The meat was obtained from trout skelons, which were passed through a grinder and sprayed with a mixture of α-tocopherol (0.02%) and ascorbic acid (0.05%). The formulation of the pate was as follows: mechanically recovered trout meat (74.4%), salt (1.3%), sodium tripolyphosphate (0.8%), starch (2%), soy protein isolate (2.4%

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Abdillah, Muhammad Helmy, and Muhammad Aldi. "Aplikasi Limbah Padat Karet Remah Pada Tanah Podsolik Merah Kuning Terhadap Ketersediaan Hara Makro Dan Perbaikan Sifat Fisika Tanah." EnviroScienteae 16, no. 2 (2021): 264. http://dx.doi.org/10.20527/es.v16i2.9658.

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The chemical properties of Podsolic Red-Yellow soil have pH is very acidic to slightly acidic, low to moderate percentage of C-organic, low to moderate P, and low status of K, Ca, Mg, Na, and other saturation of bases. Also, the physical characteristics of the Red-Yellow Podsolic soil show a distinctive characteristic, as bulk density soil index of 1.30 - 1.50 g.cm-3, with low water absorption. The chemical and physical properties are bad enough to make Red-Yellow Podsolic soil have a low ability to provide macronutrients needed by plants. Organic matter is proven to be able to control nutrien

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12

Almøy, Trygve, and Espen Haugland. "Calibration Methods for NIRS Instruments: A Theoretical Evaluation and Comparisons by Data Splitting and Simulations." Applied Spectroscopy 48, no. 3 (1994): 327–32. http://dx.doi.org/10.1366/0003702944028335.

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The properties of the recently proposed calibration method called restricted principal component regression (RPCR) were evaluated and compared with partial least-squares regression (PLSR) and two types of principal component regression (PCR1, selected according to the size of the eigenvalues, and PCR2, selected according to the t-value). RPCR can be considered a compromise between PCR and PLSR, since the first component of RPCR is equivalent to the first component of PLSR, while the rest can be regarded as principal components on a space orthogonal to the first. The methods showed almost the s

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13

Smith, AB, A. Hanbury, T. Bromilow, and K. Buesch. "PCR2 Health Utility Instruments and Mitochondrial Disease with Associated Seizures." Value in Health 25, no. 7 (2022): S541. http://dx.doi.org/10.1016/j.jval.2022.04.1349.

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14

Walia, Rupali, J. K. Deb, and K. J. Mukherjee. "Development of expression vectors for Escherichia coli based on the pCR2 replicon." Microbial Cell Factories 6, no. 1 (2007): 14. http://dx.doi.org/10.1186/1475-2859-6-14.

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15

Smith, Jeffery L., Kavitha Rangaraj, Robert Simpson, et al. "Quantitative analysis of the expression ofACATgenes in human tissues by real-time PCR2." Journal of Lipid Research 45, no. 4 (2004): 686–96. http://dx.doi.org/10.1194/jlr.m300365-jlr200.

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16

Ánh, Đỗ Ngọc, Nguyễn Khắc Lực, Nguyễn Thị Như Quỳnh та ін. "Thiết lập kỹ thuật nested - PCR phát hiện gen hpc100 chẩn đoán nhiễm nấm Histoplasma capsulatum". Tạp chí Y học Dự phòng 31, № 3 (2021): 37–44. http://dx.doi.org/10.51403/0868-2836/2021/312.

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Nghiên cứu nhằm mục tiêu thiết lập các điều kiện của kỹ thuật nested PCR để phát hiện nhiễm nấm Histoplasma capsulatum dựa vào gen đích Hcp100. Kỹ thuật sau khi xây dựng được thử nghiệm đánh giá trên ADN tổng số tách chiết từ các mẫu dịch rửa phế quản của bệnh nhân có hội chứng viêm đường hô hấp dưới. Kết quả nghiên cứu cho thấy, kỹ thuật nested PCR với phản ứng PCR1 (cặp mồi HcI, HcII) cho kết quả tốt khi nồng độ Mg2+ là 2,0mM, nhiệt độ gắn mồi 50oC; phản ứng PCR2 cho kết quả tốt khi nồng độ Mg2+ là 1,5mM, nhiệt độ gắn mồi 65oC. Giới hạn phát hiện của kỹ thuật là 10fg ADN plasmid của nấm H. c

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17

Lindinger, Michael I., and George J. F. Heigenhauser. "The roles of ion fluxes in skeletal muscle fatigue." Canadian Journal of Physiology and Pharmacology 69, no. 2 (1991): 246–53. http://dx.doi.org/10.1139/y91-038.

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Intense muscle contractions result in large changes in the intracellular concentrations of electrolytes. The purpose of this study was to examine the contributions of changes in intracellular strong ions to calculated changes in steady-state membrane potential (Em) and muscle intracellular H+ concentration ([H+]i). A physicochemical model is used to examine the origin of the changes in [H+]i during intense muscle contraction. The study used the isolated perfused rat hindlimb intermittently stimulated to contract at high intensity for 5 min. This resulted in significant K+ depletion of both slo

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18

Song, Won-Yong, Kwan Sam Choi, Do Young Kim, et al. "Arabidopsis PCR2 Is a Zinc Exporter Involved in Both Zinc Extrusion and Long-Distance Zinc Transport." Plant Cell 22, no. 7 (2010): 2237–52. http://dx.doi.org/10.1105/tpc.109.070185.

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19

Guan, Jiazhen, Yuan Luo та Bradley M. Denker. "Purkinje cell protein-2 (Pcp2) stimulates differentiation in PC12 cells by Gβγ-mediated activation of Ras and p38 MAPK". Biochemical Journal 392, № 2 (2005): 389–97. http://dx.doi.org/10.1042/bj20042102.

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Purkinje cell protein-2 (Pcp2 or L7) is highly expressed in cerebellar Purkinje cells and retinal bipolar neurons and interacts with the Gαi/o family of G-proteins. Although the expression pattern of Pcp2 in the developing central nervous system suggests a role in differentiation, its function remains unknown. We established Tet-off inducible expression of Pcp2 in PC12 cells (rat pheochromocytoma cells) to determine whether Pcp2 regulates neuronal differentiation. Utilizing a polyclonal antibody, Pcp2 was localized in the cell body and throughout neurites of differentiated PC12 cells, similar

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20

Bender, Kelly S., Ching Shang, Romy Chakraborty, Sara M. Belchik, John D. Coates, and Laurie A. Achenbach. "Identification, Characterization, and Classification of Genes Encoding Perchlorate Reductase." Journal of Bacteriology 187, no. 15 (2005): 5090–96. http://dx.doi.org/10.1128/jb.187.15.5090-5096.2005.

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ABSTRACT The reduction of perchlorate to chlorite, the first enzymatic step in the bacterial reduction of perchlorate, is catalyzed by perchlorate reductase. The genes encoding perchlorate reductase (pcrABCD) in two Dechloromonas species were characterized. Sequence analysis of the pcrAB gene products revealed similarity to α- and β-subunits of microbial nitrate reductase, selenate reductase, dimethyl sulfide dehydrogenase, ethylbenzene dehydrogenase, and chlorate reductase, all of which are type II members of the microbial dimethyl sulfoxide (DMSO) reductase family. The pcrC gene product was

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He, Jiali, Xiaolei Zhuang, Jiangtao Zhou, et al. "Exogenous melatonin alleviates cadmium uptake and toxicity in apple rootstocks." Tree Physiology 40, no. 6 (2020): 746–61. http://dx.doi.org/10.1093/treephys/tpaa024.

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Abstract To examine the potential roles of melatonin in cadmium (Cd) uptake, accumulation and detoxification in Malus plants, we exposed two different apple rootstocks varying greatly in Cd uptake and accumulation to either 0 or 30 μM Cd together with 0 or 100 μM melatonin. Cadmium stress stimulated endogenous melatonin production to a greater extent in the Cd-tolerant Malus baccata Borkh. than in the Cd-susceptible Malus micromalus ‘qingzhoulinqin’. Melatonin application attenuated Cd-induced reductions in growth, photosynthesis and enzyme activity, as well as reactive oxygen species (ROS) an

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de Souza Fernandez, Teresa, Tatiana Fonseca Alvarenga, Elaiza Almeida Antônio de Kós, et al. "Aberrant Expression of EZH2 in Pediatric Patients with Myelodysplastic Syndrome: A Potential Biomarker of Leukemic Evolution." BioMed Research International 2019 (December 10, 2019): 1–9. http://dx.doi.org/10.1155/2019/3176565.

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Pediatric myelodysplastic syndrome (MDS) is an uncommon disease and little is known about the molecular alterations of its development and evolution to acute myeloid leukemia (AML). The Enhancer of Zeste Homolog 2 (EZH2) is the catalytic subunit of Polycomb repressive complex 2 (PCR2). It is a histone methyltransferase, that targets lysine 27 of histone 3. This methylated H3–K27 is usually associated with the silencing of genes that are involved in fundamental cellular processes, such as cell proliferation and differentiation. There are only few studies showing the status of EZH2 expression in

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Petrie, Kevin R., Tino Schenk, Manuel Boix Chornet, et al. "Modulation of Histone H3K4 and H3K27 Methylation Levels Via Pharmacological Inhibition of LSD1 and Degradation of the EZH2-Containing Polycomb Repressive Complex 2 Stimulates ATRA-Mediated Differentiation of AML Cells." Blood 114, no. 22 (2009): 1046. http://dx.doi.org/10.1182/blood.v114.22.1046.1046.

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Abstract Abstract 1046 Poster Board I-68 During hematopoiesis, all-trans-retinoic acid (ATRA), a natural derivative of vitamin A, has been shown to induce both myelomonocytic progenitor/stem cell differentiation and self-renewal. Although these opposing effects are likely to be partly due to developmental differences, it has been shown that pro- and anti-differentiation effects of ATRA are mediated by distinct retinoic acid receptor isotypes (RARαa and RARγ, respectively). With the exception of acute promyelocytic leukemia (APL) ATRA treatment as a single agent has not been successful in other

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Sobrevilla, Luis, María Cassinelli, A. Carcelen, and Juan Málaga. "Tensión de oxígeno y equilibrio ácido-base de madre y feto durante el parto en la altura." Revista Peruana de Ginecología y Obstetricia 17, no. 1 y 2 (2015): 45–66. http://dx.doi.org/10.31403/rpgo.v17i800.

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Quizás quisiste decir: The oxygen tensión and acid-bases status of mother and fetus have been studied at delivery in 12 subjects from Lima (150 m.] and Cerro de Pasco (4,200 ,m.), Perú. Despite the low pO2 (60.7 ± 2 mm.Hg., x ± SEM) of maternal arterial blood at altitude, the tension of oxygen measured in microsamples of arterialized capillary blood from the fetal scalp was similar at altitude (19.0 ± 1.16 mm.Hg.) and sea level (21.5 ± 1.12 mm.Hg.). The fetus at altitude is born with a mixed acid-base disturbance that combines a respiratory alcalosis (pCO2 = 29.8 ± 3.4 mm.Hg.) with a metabolic

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Lee, Siwon, Eun-Ha Kang, Yong-Gil Shin, and Su-Heon Lee. "Development of RT-PCR and Nested PCR for Detecting Four Quarantine Plant Viruses Belonging to Nepovirus." Research in Plant Disease 19, no. 3 (2013): 220–25. http://dx.doi.org/10.5423/rpd.2013.19.3.220.

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Kang, Won, Sang-Bum Park, Youn-Hyoung Nam, et al. "Detection of Hepatitis B Virus Using Micro-PCR and Real-Time PCR Methods." Journal of the Korean Chemical Society 51, no. 1 (2007): 36–42. http://dx.doi.org/10.5012/jkcs.2007.51.1.036.

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Myers, Stuart I., Lori Parks, Gregory Smith, and Thomas A. Miller. "ELEVATED PCI2 AND PCE2 PROOUCTION IN THE RAT ILEUM FOLLOWING HEMORRHAGIC SHOCK." Journal of Trauma: Injury, Infection, and Critical Care 27, no. 7 (1987): 828. http://dx.doi.org/10.1097/00005373-198707000-00077.

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Wintermantel, W. M. "Pumpkin (Cucurbita maxima and C. pepo), a new host of Beet pseudo yellows virus in California." Plant Disease 88, no. 1 (2004): 82. http://dx.doi.org/10.1094/pdis.2004.88.1.82c.

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In the summer of 2002, pumpkin plants (Cucurbita pepo L. and C. maxima Duchesne) with extensive leaf chlorosis similar to those observed in crinivirus infections were found in fields at two locations in Monterey County, California. Leaves of diseased plants were observed to have large populations of the greenhouse whitefly (Trialeurodes vaporariorum) present. Double-stranded RNA was extracted from symptomatic leaves of these plants and tested by northern hybridization for numerous criniviruses. A positive signal was identified exclusively with probes against the HSP70h gene of Beet pseudo yell

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Bröms, Jeanette E., Petra J. Edqvist, Katrin E. Carlsson, Åke Forsberg, and Matthew S. Francis. "Mapping of a YscY Binding Domain within the LcrH Chaperone That Is Required for Regulation of Yersinia Type III Secretion." Journal of Bacteriology 187, no. 22 (2005): 7738–52. http://dx.doi.org/10.1128/jb.187.22.7738-7752.2005.

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ABSTRACT Type III secretion systems are used by many animal and plant interacting bacteria to colonize their host. These systems are often composed of at least 40 genes, making their temporal and spatial regulation very complex. Some type III chaperones of the translocator class are important regulatory molecules, such as the LcrH chaperone of Yersinia pseudotuberculosis. In contrast, the highly homologous PcrH chaperone has no regulatory effect in native Pseudomonas aeruginosa or when produced in Yersinia. In this study, we used LcrH-PcrH chaperone hybrids to identify a discrete region in the

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Kwon, Ki-Rok, Seung-Il Baek, and Suk-Ho Choi. "Identification of Fel ursi and Cattle and Pig Bile Juices by speciesspecific PCR and PCR-RFLP." Journal of Korean Institute of Herbal Acupuncture 12, no. 1 (2009): 13–20. http://dx.doi.org/10.3831/kpi.2009.12.1.013.

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Nam, Youn-Hyoung, Young-Chang Ahn, Su-Min Park, et al. "Comparison of Chip-Base Real-Time PCR and Tube-Base Real-Time PCR Methods for Detection of B. cereus." Journal of the Korean Chemical Society 52, no. 2 (2008): 203–6. http://dx.doi.org/10.5012/jkcs.2008.52.2.203.

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Jiráková, H., and A. Hanzalová. "Crown rust pathotypes determined on oats in the Czech Republic from 2004 to 2006 and reaction to oat cultivars." Czech Journal of Genetics and Plant Breeding 44, No. 2 (2008): 60–65. http://dx.doi.org/10.17221/15/2008-cjgpb.

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The incidence of oat crown rust (Puccinia coronata var. avenae Fraser et Ledingham) pathotypes was recorded in the Czech Republic in 2004&ndash;2006. The virulence of collected 79 monopustule oat crown rust isolates was assessed on 23 differentials. High diversity was observed; the isolates possessed from 0 to 8 virulence genes. More than 80% of pathotypes were recorded only once. Pathotypes BLBG and BLBC were the most frequent. None of the tested isolates was virulent to resistance genes Pc39, Pc50, Pc52, Pc59, Pc62 and Pc68. Registered cultivars Avenuda, Dalimil, Auron, Isak were suscept

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Kofstad, Johan. "pCO2 eller PCO2?" Tidsskrift for Den norske legeforening 130, no. 16 (2010): 1641. http://dx.doi.org/10.4045/tidsskr.10.0623.

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KUMAR, RAJ, H. D. PANDEY, R. P. SHARMA, and M. KUMAR. "Relativistic cross-focusing of two coaxial Gaussian laser beams in a plasma." Journal of Plasma Physics 60, no. 4 (1998): 811–18. http://dx.doi.org/10.1017/s0022377898007132.

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The paper presents a paraxial theory of the relativistic cross-focusing of two coaxial Gaussian laser beams of different frequencies in a homogeneous plasma. We discuss the self-focusing of a weaker laser beam in the plasma due to the optical inhomogeneities introduced by another stronger copropagating laser beam. In the presence of the second stronger beam (Pcr21<P2<Pcr22), the plasma behaves as an oscillatory waveguide for the first, weaker, beam (P1<Pcr11) as it propagates in the plasma. When both the beams are strong (Pcr11,21<P1,2<Pcr12,22), the nonlinearities introduced by

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Sijapati, MJ, N. Bhatta, B. Khanal, M. Lamsal, and S. Chaudhary. "Study of Factors Determining Outcomes in the Hospitalized Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease (COPD)." Journal of Universal College of Medical Sciences 2, no. 2 (2014): 28–34. http://dx.doi.org/10.3126/jucms.v2i2.11171.

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BACKGROUND: Chronic Obstructive Pulmonary Disease (COPD) is a major cause of mortality and morbidity across the world. Information related to the factors associated with COPD exacerbation and factors determining outcome in hospitalized patient with acute exacerbation of COPD are very important for effective long-term management of this disease. Within this background we attempted to study the factors determining outcome in hospitalized patients with acute exacerbation of COPD. METHODS: The study was prospective observational study. Hundred consecutive patients hospitalized with acute exacerbat

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Latifzadeh, Lida, and K. Balasubramanian. "Electronic states of PCl2 and PCl2+." Chemical Physics Letters 241, no. 1-2 (1995): 13–20. http://dx.doi.org/10.1016/0009-2614(95)00551-e.

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Tang, Wanchun, Joe Bisera, and Max Harry Weil. "Sublingual Pco2." Critical Care Medicine 28, no. 8 (2000): 3124. http://dx.doi.org/10.1097/00003246-200008000-00105.

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Schlichtig, Robert, and Stephen O. Heard. "Sublingual Pco2." Critical Care Medicine 28, no. 8 (2000): 3124. http://dx.doi.org/10.1097/00003246-200008000-00106.

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Fukuda, S., M. Morioka, T. Tanaka, K. Taga, and K. Shimoji. "Endothelium dependence of effects of high PCO2 on agonist-induced contractility of rat aorta." American Journal of Physiology-Heart and Circulatory Physiology 264, no. 2 (1993): H512—H519. http://dx.doi.org/10.1152/ajpheart.1993.264.2.h512.

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To investigate the modulation of CO2 and endothelium of vascular contraction induced by various agonists, we studied the influence of high PCO2 (PCO2 = 91 mmHg, pH = 6.99) on the response of endothelium-intact and -rubbed rat aortic preparations to KCl, phenylephrine (PE), and human-porcine endothelin-1 (ET-1). Response of endothelium-intact aortic preparations to KCl was not influenced by both high PCO2 and the pH-matched acidotic solution (7.00) with normal PCO2, whereas that of endothelium-rubbed preparations was attenuated solely by high PCO2. With cyclooxygenase inhibitors or a thromboxan

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Hager, Rudolf, and Johann Weis. "Phosphazen-Katalyse. Grundlage der Lineartechnologie zur Siliconherstellung / Phosphazene Catalysis. The Basis of L inear Technology for Silicone Production." Zeitschrift für Naturforschung B 49, no. 12 (1994): 1774–80. http://dx.doi.org/10.1515/znb-1994-1223.

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The structure of the chlorophosphazenes used as catalyst for the polycondensation of siloxanoles to various high molecular weight silicone polymers in the industrial scale has been determined as [PCl3=N(-PCl2=N)x-PCl3]+[PCl6]-. mainly with x=1 and x=2. For better un derstanding of the catalytic mechanism, the reaction behaviour of these ionic phosphazenes with water and siloxanes has been studied. Thereby three further types of phosphazenes have been synthesized: PCl3=N(-PCl2=N)x-PCl2=O,HO-PCl2=N(-PCl2=N)x-PCl2=O and siloxy derivatives of the latter ≡Si-O-PCl2=N(-PCl2=N)x-PCl2=O. Although sev

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Anand, Syam P., Haocheng Zheng, Piero R. Bianco, Sanford H. Leuba, and Saleem A. Khan. "DNA Helicase Activity of PcrA Is Not Required for the Displacement of RecA Protein from DNA or Inhibition of RecA-Mediated Strand Exchange." Journal of Bacteriology 189, no. 12 (2007): 4502–9. http://dx.doi.org/10.1128/jb.00376-07.

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ABSTRACT PcrA is a conserved DNA helicase present in all gram-positive bacteria. Bacteria lacking PcrA show high levels of recombination. Lethality induced by PcrA depletion can be overcome by suppressor mutations in the recombination genes recFOR. RecFOR proteins load RecA onto single-stranded DNA during recombination. Here we test whether an essential function of PcrA is to interfere with RecA-mediated DNA recombination in vitro. We demonstrate that PcrA can inhibit the RecA-mediated DNA strand exchange reaction in vitro. Furthermore, PcrA displaced RecA from RecA nucleoprotein filaments. In

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Catania, Gioacchino, Federico Monaco, Massimo Pini, et al. "Prognostic Impact of p190 and p210 Co-Expression at Diagnosis in Chronic Myeloid Leukemia (CML) Patients Treated with Imatinib." Blood 124, no. 21 (2014): 5528. http://dx.doi.org/10.1182/blood.v124.21.5528.5528.

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Abstract Background: Expression of p190 BCR-ABL mRNA is generally considered to be confined to patients with acute lymphoid or more rarely myeloid leukemias, whereas p210 BCR-ABL mRNA is the hallmark of CML. In reality it is not uncommon the presence of p190 m-RNA in p210 CML in chronic phase, due to alternative or missplicing1. Its presence seems to have no impact on prognosis in the pre-TKI era, although it may be expression of genomic instability. Aim: Primary object of this study was to investigate if the co-expression might influence the rate of early outcome surrogate endpoints such as s

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Ernst, Thomas, Vivien Schäfer, Jenny Rinke, et al. "Frequency and Clinical Presentation of Polycomb Repressive Complex 2 (PRC2) Component Mutations in Childhood Acute Lymphoblastic Leukemia." Blood 120, no. 21 (2012): 1474. http://dx.doi.org/10.1182/blood.v120.21.1474.1474.

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Abstract Abstract 1474 Acute lymphoblastic leukemia (ALL) is the most common childhood malignancy with approximately 85% of cases being of B-cell lineage and 15% of T-cell lineage. There is growing evidence that epigenetic deregulation plays an important role in the pathogenesis of leukemia. Somatic mutations in polycomb repressive complex 2 (PRC2) components such as EZH2, SUZ12, EED, and JARID2 have recently been described in myeloid and lymphoid malignancies and seem to be associated with a poor prognosis. PRC2 is a highly conserved histone H3 lysine 27 methyltransferase that regulates the e

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Li, Futian, Jiekai Xu, John Beardall, and Kunshan Gao. "Diurnally fluctuating pCO2 enhances growth of a coastal strain of Emiliania huxleyi under future-projected ocean acidification conditions." ICES Journal of Marine Science 78, no. 4 (2021): 1301–10. http://dx.doi.org/10.1093/icesjms/fsab036.

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Abstract The carbonate chemistry in coastal waters is more variable compared with that of open oceans, both in magnitude and time scale of its fluctuations. However, knowledge of the responses of coastal phytoplankton to dynamic changes in pH/pCO2 has been scarcely documented. Hence, we investigated the physiological performance of a coastal isolate of the coccolithophore Emiliania huxleyi (PML B92/11) under fluctuating and stable pCO2 regimes (steady ambient pCO2, 400 μatm; steady elevated pCO2, 1200 μatm; diurnally fluctuating elevated pCO2, 600–1800 μatm). Elevated pCO2 inhibited the calcif

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Fan, Lan-Feng, Chun Hoe Chow, Gwo-Ching Gong, and Wen-Chen Chou. "Surface Seawater pCO2 Variation after a Typhoon Passage in the Kuroshio off Eastern Taiwan." Water 14, no. 9 (2022): 1326. http://dx.doi.org/10.3390/w14091326.

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In this study, two cruises were conducted across the mainstream of the Kuroshio off eastern Taiwan before and after the passage of Typhoon Saola in summer 2012. The continuous underway pCO2 (i.e., partial pressure of CO2) measurements revealed that surface seawater pCO2 (SS pCO2) displayed spatial variations in response to typhoon passage. The simulated results showed that the mixed-layer deepening after typhoon passage had a minor effect on SS pCO2 variation because pCO2 decrease driven by temperature dropdown and enhanced biological production fueled by nutrients input was largely compensate

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Faria, Ana M., Soraia Filipe, Ana F. Lopes, Ana P. Oliveira, Emanuel J. Gonçalves, and Laura Ribeiro. "Effects of high pCO2 on early life development of pelagic spawning marine fish." Marine and Freshwater Research 68, no. 11 (2017): 2106. http://dx.doi.org/10.1071/mf16385.

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The present study investigated the effect of elevated pCO2 on the development of early stages of the pelagic spawning marine fish Solea senegalensis, Diplodus sargus and Argyrosomus regius. Eggs and larvae were reared under control (pH 8.0, ~570μatm) and two elevated pCO2 conditions (pH 7.8, ~1100μatm; pH 7.6, ~1900μatm) until mouth opening (3 days post-hatching). Egg size did not change with exposure to elevated pCO2, but hatching rate was significantly reduced under high pCO2 for all three species. Survival rate was not affected by exposure to increased pCO2, but growth rate was differently

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Siebke, Katharina, Oula Ghannoum, Jann P. Conroy, and Susanne von Caemmerer. "Elevated CO2 increases the leaf temperature of two glasshouse-grown C4 grasses." Functional Plant Biology 29, no. 12 (2002): 1377. http://dx.doi.org/10.1071/fp02075.

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This study investigates the effect of elevated CO2 partial pressure (pCO2)-induced stomatal closure on leaf temperature and gas exchange of C4 grasses. Two native Australian C4 grasses, Astrebla lappacea (Lindl.) Domin and Bothriochloa bladhii Kuntze, were grown at three different pCO2 (35, 70 and 120 Pa) in three matched, temperature-controlled glasshouse compartments. The difference between leaf and air temperature (ΔT) was monitored diurnally with thermocouples. ΔT increased with both step-increases of ambient pCO2. Average noon leaf temperature increased by 0.4 and 0.3°C for A. lappacea wi

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Yates, K. K., and R. B. Halley. "CO<sub>3</sub><sup>2−</sup> concentration and pCO<sub>2</sub> thresholds for calcification and dissolution on the Molokai reef flat, Hawaii." Biogeosciences 3, no. 3 (2006): 357–69. http://dx.doi.org/10.5194/bg-3-357-2006.

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Abstract. The severity of the impact of elevated atmospheric pCO2 to coral reef ecosystems depends, in part, on how seawater pCO2 affects the balance between calcification and dissolution of carbonate sediments. Presently, there are insufficient published data that relate concentrations of pCO2 and CO32− to in situ rates of reef calcification in natural settings to accurately predict the impact of elevated atmospheric pCO2 on calcification and dissolution processes. Rates of net calcification and dissolution, CO32− concentrations, and pCO2 were measured, in situ, on patch reefs, bare sand, and

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Chalimoniuk, Małgorzata, Anna Stolecka, Magdalena Cakała, et al. "Amyloid beta enhances cytosolic phospholipase A2 level and arachidonic acid release via nitric oxide in APP-transfected PC12 cells." Acta Biochimica Polonica 54, no. 3 (2007): 611–23. http://dx.doi.org/10.18388/abp.2007_3235.

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Cytosolic phospholipase A2 (cPLA2) preferentially liberates arachidonic acid (AA), which is known to be elevated in Alzheimer's disease (AD). The aim of this study was to investigate the possible relationship between enhanced nitric oxide (NO) generation observed in AD and cPLA2 protein level, phosphorylation, and AA release in rat pheochromocytoma cell lines (PC12) differing in amyloid beta secretion. PC12 control cells, PC12 cells bearing the Swedish double mutation in amyloid beta precursor protein (APPsw), and PC12 cells transfected with human APP (APPwt) were used. The transfected APPwt a

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Abril, G., S. Bouillon, F. Darchambeau, et al. "Technical Note: Large overestimation of <i>p</i>CO<sub>2</sub> calculated from pH and alkalinity in acidic, organic-rich freshwaters." Biogeosciences Discussions 11, no. 7 (2014): 11701–25. http://dx.doi.org/10.5194/bgd-11-11701-2014.

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Abstract. Inland waters have been recognized as a~significant source of carbon dioxide (CO2) to the atmosphere at the global scale. Fluxes of CO2 between aquatic systems and the atmosphere are calculated from the gas transfer velocity and the water-air gradient of the partial pressure of CO2 (pCO2). Nowadays, direct measurements of water pCO2 remain scarce in freshwaters and most published pCO2 data are calculated from temperature, pH and total alkalinity (TA). Here, we compare calculated (pH and TA) and measured (Equilibrator and headspace) water pCO2 in a large array of temperate and tropica

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