Search Results - "Bragança, Helena"

Correlation-Driven Lifshitz Transition at the Emergence of the Pseudogap Phase in the Two-Dimensional Hubbard Model by Bragança, Helena, Sakai, Shiro, Aguiar, M C O, Civelli, Marcello

“…We study the relationship between the pseudogap and Fermi-surface topology in the two-dimensional Hubbard model by means of the cellular dynamical mean-field…”
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Dark-exciton valley dynamics in transition metal dichalcogenide alloy monolayers by Bragança, Helena, Riche, Flávio, Qu, Fanyao, Lopez-Richard, Victor, Marques, Gilmar Eugenio

“…We report a comprehensive theory to describe exciton and biexciton valley dynamics in monolayer Mo 1− x W x Se 2 alloys. To probe the impact of different…”
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Excitonic Effects on Two-Dimensional Transition-Metal Dichalcogenide Monolayers: Impact on Solar Cell Efficiency by Dias, A. C, Bragança, Helena, de Mendonça, João Paulo A, Da Silva, Juarez L. F

“…The search for two-dimensional (2D) systems for applications in solar cells has continuously challenged our community. Here, we report screening of 2D…”
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Phytophthora alticola and Phytophthora cinnamomi on Eucalyptus globulus in Portugal by Diogo, Eugénio, Machado, Helena, Reis, Ana, Valente, Carlos, Phillips, Alan J.L., Bragança, Helena

“…Eucalypt, mostly Eucalyptus globulus, is the exotic tree species occupying the largest area of Portuguese planted forest. Eucalypts were introduced in the…”
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Five new species of Neopestalotiopsis associated with diseased Eucalyptus spp. in Portugal by Diogo, Eugénio, Gonçalves, Catarina I., Silva, Ana C., Valente, Carlos, Bragança, Helena, Phillips, Alan J. L.

“…Eucalyptus globulus , an exotic species in Portugal, is one of the dominant and intensively managed forest species in the country. A disease syndrome…”
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A New Double-Stranded RNA Mycovirus in Cryphonectria naterciae Is Able to Cross the Species Barrier and Is Deleterious to a New Host by Cornejo, Carolina, Hisano, Sakae, Bragança, Helena, Suzuki, Nobuhiro, Rigling, Daniel

“…Cryphonectria is a fungal genus associated with economically significant disease of trees. Herein we characterized a novel double-stranded RNA virus from the…”
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Anderson localization effects near the Mott metal-insulator transition by Bragança, Helena, Aguiar, M. C. O., Vučičević, J., Tanasković, D., Dobrosavljević, V.

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Transferability of PCR-based diagnostic protocols: An international collaborative case study assessing protocols targeting the quarantine pine pathogen Fusarium circinatum by Ioos, Renaud, Aloi, Francesco, Piškur, Barbara, Guinet, Cécile, Mullett, Martin, Berbegal, Mónica, Bragança, Helena, Cacciola, Santa Olga, Oskay, Funda, Cornejo, Carolina, Adamson, Kalev, Douanla-Meli, Clovis, Kačergius, Audrius, Martínez-Álvarez, Pablo, Nowakowska, Justyna Anna, Luchi, Nicola, Vettraino, Anna Maria, Ahumada, Rodrigo, Pasquali, Matias, Fourie, Gerda, Kanetis, Loukas, Alves, Artur, Ghelardini, Luisa, Dvořák, Miloň, Sanz-Ros, Antonio, Diez, Julio J., Baskarathevan, Jeyaseelan, Aguayo, Jaime

“…Fusarium circinatum is a harmful pathogenic fungus mostly attacking Pinus species and also Pseudotsuga menziesii , causing cankers in trees of all ages,…”
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Magnetic-gateable valley exciton emission by Bragança, Helena, Zeng, Hao, Dias, Alexandre Cavalheiro, Correa, Jorge Huamani, Qu, Fanyao

“…The use of valley excitonic states of transition metal dichalcogenides to store and manipulate information is hampered by fast carrier recombination and short…”
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Ambrosiodmus rubricollis (Eichhoff) (Coleoptera; Curculionidae; Scolytinae) associated with young Tasmanian blue gum trees by Naves, Pedro, Bragança, Helena, Nóbrega, Filomena, Valente, Carlos

“…Eucalypts are among the most widely planted forest trees in the world, and outside their native Australian range, the main arthropod pests are sap‐sucking…”
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First report of Sydowia polyspora causing disease on Pinus pinea shoots by Silva, Ana Cristina, Henriques, Joana, Diogo, Eugénio, Ramos, Ana Paula, Bragança, Helena, Doğmuş‐Lehtijärvi, H. Tuğba

“…The fungus Sydowia polyspora is frequently isolated from conifers worldwide and is considered a pathogen on several hosts. Stone pine (Pinus pinea) is one of…”
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Diversity and potential impact of Botryosphaeriaceae species associated with Eucalyptus globulus plantations in Portugal by Barradas, Carla, Phillips, Alan J. L., Correia, António, Diogo, Eugénio, Bragança, Helena, Alves, Artur

“…Eucalyptus globulus , a non-native species, is currently the most abundant forest species in Portugal. This economically important forest tree is exploited…”
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Pestalotiopsis pini sp. nov., an Emerging Pathogen on Stone Pine (Pinus pinea L.) by Ana Cristina Silva, Eugénio Diogo, Joana Henriques, Ana Paula Ramos, Marcelo Sandoval-Denis, Pedro W. Crous, Helena Bragança

“…Research Highlights: Pestalotiopsis pini sp. nov. is an emerging pathogen on stone pine, Pinus pinea L., in Portugal. Background and Objectives: Stone pine is…”
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Sampling and Detection Strategies for the Pine Pitch Canker (PPC) Disease Pathogen Fusarium circinatum in Europe by Eeva J. Vainio, Diana Bezos, Helena Bragança, Michelle Cleary, Gerda Fourie, Margarita Georgieva, Luisa Ghelardini, Salla Hannunen, Renaud Ioos, Jorge Martín-García, Pablo Martínez-Álvarez, Martin Mullett, Tomasz Oszako, Irena Papazova-Anakieva, Barbara Piškur, Carmen Romeralo, Antonio V. Sanz-Ros, Emma T. Steenkamp, Katherine Tubby, Michael J. Wingfield, Julio J. Diez

“…Fusarium circinatum Nirenberg & O'Donnel is listed among the species recommended for regulation as quarantine pests in Europe. Over 60 Pinus species are…”
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Cryphonectria naterciae: A new species in the Cryphonectria–Endothia complex and diagnostic molecular markers based on microsatellite-primed PCR by Bragança, Helena, Rigling, Daniel, Diogo, Eugénio, Capelo, Jorge, Phillips, Alan, Tenreiro, Rogério

“…In a recent study intended to assess the distribution of Cryphonectria parasitica in Portugal, 22 morphologically atypical orange isolates were collected in…”
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Nonuniversality of entanglement convertibility by Bragança, Helena, Mascarenhas, Eduardo, Luiz, G. I., Duarte, C., Pereira, R. G., Santos, M. F., Aguiar, M. C. O.

“…Recently, it has been suggested that operational properties connected to quantum computation can be alternative indicators of quantum phase transitions. In…”
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Essential oil characterization of two Azorean Cryptomeria japonica populations and their biological evaluations by Moiteiro, Cristina, Esteves, Teresa, Ramalho, Luís, Rojas, Rosario, Alvarez, Sandra, Zacchino, Susana, Bragança, Helena

“…Essential oils from foliage, bark and heartwood of Cryptomeriajaponica D. Don from Azores Archipelago (Portugal) were analyzed by GC and GC-MS. Two…”
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Trichoderma atrobrunneum associated with yellow stain defect of cork planks and critical values of TCA for wine cork stoppers industry by Veloso, Sandra, Magro, Ana, Henriques, Joana, Bonifácio, Luís, Fernandes, José Pedro, Ramos, Ana Paula, Diogo, Eugénio, Bragança, Helena

“…Cork planks with Yellow Stain (YS) defect are rejected from cork-stopper factory industries resulting in large economical losses. This defect has been related…”
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From Lab to Nursery: Novel Approaches of Seed Disinfection for Managing Pine Pitch Canker Propagation by Luís Fernandes, Diana S. Paiva, Ana C. Silva, Cláudia Fernandes, Ana Rita Fernandes, Dina Ribeiro, Luís Martins, Helena Bragança, António Portugal

“…Fusarium circinatum, the causative agent of pine pitch canker disease, is a pathogenic fungus that poses a significant threat to pine forests globally. It…”
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The Biosecurity Risks of International Forest Tree Seed Movements by Franić, Iva, Cleary, Michelle, Aday Kaya, Ayşe Gülden, Bragança, Helena, Brodal, Guro, Cech, Thomas L., Chandelier, Anne, Doğmuş-Lehtijärvi, Tuğba, Eschen, René, Lehtijärvi, Asko, Ormsby, Michael, Prospero, Simone, Schwanda, Katharina, Sikora, Katarzyna, Szmidla, Hanna, Talgø, Venche, Tkaczyk, Miłosz, Vettraino, Anna Maria, Perez-Sierra, Ana

“…Purpose of Review Because tree seeds have been considered a low-risk pathway for the spread of plant pathogenic fungi, their international movement is not…”
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