Institution
National University of Río Cuarto
Education•Córdoba, Argentina•
About: National University of Río Cuarto is a education organization based out in Córdoba, Argentina. It is known for research contribution in the topics: Population & Quenching (fluorescence). The organization has 2776 authors who have published 4403 publications receiving 75842 citations. The organization is also known as: UNRC & Universidad Nacional de Río Cuarto.
Papers published on a yearly basis
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Smithsonian Institution1, Sun Yat-sen University2, University of California, Berkeley3, Naturalis4, Paris-Sorbonne University5, Universidade Federal de Minas Gerais6, University of Vermont7, Federal University of Western Pará8, University of Florida9, James Cook University10, Duke University11, University of Bonn12, University of Neuchâtel13, University of Turku14, University of Alaska Fairbanks15, Missouri Botanical Garden16, National Taiwan University17, Museum of New Zealand Te Papa Tongarewa18, National University of Río Cuarto19, University of Arizona20, Council of Agriculture21, Kaohsiung Medical University22, Chongqing Normal University23, Universidade Federal de Juiz de Fora24, Nanjing Forestry University25, Iowa State University26, Complutense University of Madrid27, University of Kansas28, Denison University29, University of Zurich30
TL;DR: A modern, comprehensive classification for lycophytes and ferns, down to the genus level, utilizing a community‐based approach, that uses monophyly as the primary criterion for the recognition of taxa, but also aims to preserve existing taxa and circumscriptions that are both widely accepted and consistent with the understanding of pteridophyte phylogeny.
Abstract: Phylogeny has long informed pteridophyte classification. As our ability to infer evolutionary trees has improved, classifications aimed at recognizing natural groups have become increasingly predic ...
971 citations
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TL;DR: This review focuses on studies with bacteria for which biosynthesis/production of the plant hormones gibberellins have been demonstrated and the potential involvement of symbiotic and soil-endophytic microorganisms in plant growth promotion and yield increase.
Abstract: This review focuses on studies with bacteria for which biosynthesis/production of the plant hormones gibberellins have been demonstrated. Actual data on gibberellin metabolism by bacteria are analyzed in comparison with the biosynthetic pathways known for vascular plants and fungi. The potential involvement of gibberellins produced by symbiotic and soil-endophytic microorganisms in plant growth promotion and yield increase is also discussed.
466 citations
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TL;DR: It is proposed that the TPX1 product is involved in the synthesis of lignin and suberin, a tomato peroxidase gene the authors have previously isolated.
Abstract: The last step in the synthesis of lignin and suberin has been proposed to be catalyzed by peroxidases, although other proteins may also be involved. To determine which peroxidases are involved in the synthesis of lignin and suberin, five peroxidases from tomato (Lycopersicon esculentum) roots, representing the majority of the peroxidase activity in this organ, have been partially purified and characterized kinetically. The purified peroxidases with isoelectric point (pI) values of 3.6 and 9.6 showed the highest catalytic efficiency when the substrate used was syringaldazine, an analog of lignin monomer. Using a combination of transgenic expression and antibody recognition, we now show that the peroxidase pI 9.6 is probably encoded by TPX1, a tomato peroxidase gene we have previously isolated. In situ RNA hybridization revealed that TPX1 expression is restricted to cells undergoing synthesis of lignin and suberin. Salt stress has been reported to induce the synthesis of lignin and/or suberin. This stress applied to tomato caused changes in the expression pattern of TPX1 and induced the TPX1 protein. We propose that the TPX1 product is involved in the synthesis of lignin and suberin.
466 citations
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TL;DR: The addition of Br in the perovskite structure was demonstrated to improve slightly the lifetime of the devices and the efficiencies of all devices tested remained at least at the 80% of the initial value 1 month after their preparation.
Abstract: We report on the preparation of a series of solution-processed perovskite solar cells based on methylammonium (MA) lead halide derivatives, MAPbX3, which show tunable optical properties depending on the nature and ratio of the halides employed (X = Cl, Br, and I). Devices have been prepared with different cell architecture, thin film, and mesoporous scaffold (TiO2 and Al2O3). We have analyzed different sample sets focusing on the characterization of the charge recombination by means of impedance spectroscopy (IS). On the one hand, our study discloses that the insertion of both Cl and Br in the perovskite lattice reduces the charge recombination rates in the light absorber film, thus determining the open circuit voltage (Voc) of the device. The samples prepared on a mesoporous Al2O3 electrode present lower charge recombination rates than those devices prepared on mesoporous TiO2. Furthermore, the addition of Br in the perovskite structure was demonstrated to improve slightly the lifetime of the devices; in fact, the efficiencies of all devices tested remained at least at the 80% of the initial value 1 month after their preparation. These results highlight the crucial role of the charge-recombination processes on the performance of the perovskite solar cells and pave the way for further progress on this field.
392 citations
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TL;DR: Evaluating in vitro the bacterial mechanisms related to plant growth promotion or stress homeostasis regulation in natural conditions discusses the possible implications of these bacterial mechanisms on the plant growth promoted or homeostatic regulation innatural conditions.
Abstract: This study was designed to isolate and characterize endophytic bacteria from halophyte Prosopis strombulifera grown under extreme salinity and to evaluate in vitro the bacterial mechanisms related to plant growth promotion or stress homeostasis regulation. Isolates obtained from P. strombulifera were compared genotypically by BOX-polymerase chain reaction, grouped according to similarity, and identified by amplification and partial sequences of 16S DNAr. Isolates were grown until exponential growth phase to evaluate the atmospheric nitrogen fixation, phosphate solubilization, siderophores, and phytohormones, such as indole-3-acetic acid, zeatin, gibberellic acid and abscisic acid production, as well as antifungal, protease, and 1-aminocyclopropane-1-carboxylate (ACC) deaminase activity. A total of 29 endophytic strains were grouped into seven according to similarity. All bacteria were able to grow and to produce some phytohormone in chemically defined medium with or without addition of a nitrogen source. Only one was able to produce siderophores, and none of them solubilized phosphate. ACC deaminase activity was positive for six strains. Antifungal and protease activity were confirmed for two of them. In this work, we discuss the possible implications of these bacterial mechanisms on the plant growth promotion or homeostasis regulation in natural conditions.
361 citations
Authors
Showing all 2797 results
Name | H-index | Papers | Citations |
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Thomas A. Moore | 87 | 437 | 30666 |
Ken-Tsung Wong | 73 | 370 | 17919 |
Werner M. Nau | 62 | 314 | 14595 |
Juan C. Scaiano | 61 | 407 | 15301 |
Emilia Morallón | 51 | 278 | 8203 |
Vittorio Erspamer | 48 | 152 | 9666 |
Ana Maria Dalcero | 41 | 146 | 4912 |
Juana J. Silber | 38 | 192 | 5229 |
José M. Argüello | 38 | 86 | 4111 |
Omar A. El Seoud | 38 | 216 | 5523 |
Cesar A. Barbero | 38 | 175 | 4679 |
Sofia Noemi Chulze | 38 | 149 | 4738 |
Edgardo N. Durantini | 37 | 166 | 4699 |
Michelangelo Pascale | 37 | 115 | 4181 |
Rubén Bottini | 36 | 98 | 4729 |