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Müller MA, Martínez-Guerrero A, Corsi-Cabrera M, Effenberg AO, Friedrich A, Garcia-Madrid I, Hornschuh M, Schmitz G, Müller MF. How to orchestrate a soccer team: Generalized synchronization promoted by rhythmic acoustic stimuli. Front Hum Neurosci 2022; 16:909939. [PMID: 35966986 PMCID: PMC9372544 DOI: 10.3389/fnhum.2022.909939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/28/2022] [Indexed: 12/05/2022] Open
Abstract
Interpersonal coordination requires precise actions concerted in space and time in a self-organized manner. We found, using soccer teams as a testing ground, that a common timeframe provided by adequate acoustic stimuli improves the interplay between teammates. We provide quantitative evidence that the connectivity between teammates and the scoring rate of male soccer teams improve significantly when playing under the influence of an appropriate acoustic environment. Unexpectedly, female teams do not show any improvement under the same experimental conditions. We show by follow-up experiments that the acoustic rhythm modulates the attention level of the participants with a pronounced tempo preference and a marked gender difference in the preferred tempo. These results lead to a consistent explanation in terms of the dynamical system theory, nonlinear resonances, and dynamic attention theory, which may illuminate generic mechanisms of the brain dynamics and may have an impact on the design of novel training strategies in team sports.
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Affiliation(s)
| | | | - Maria Corsi-Cabrera
- Sleep Laboratory, Faculty of Psychology, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Institute of Neurobiology, Universidad Nacional Autónoma de México, Queretaro, Mexico
| | - Alfred O. Effenberg
- Leibniz Universität Hannover, Institut für Sportwissenschaft, Hannover, Germany
| | | | - Ignacio Garcia-Madrid
- Posgrado en Ciencias Sociales, Facultad de Estudios Superiores de Cuautla, Universidad Autónoma del Estado de Morelos, Cuautla, Mexico
| | - Matthias Hornschuh
- Institut für Musik und Musikwissenschaft, Stiftung Universität Hildesheim, Kulturcampus Domäne Marienburg, Hildesheim, Germany
| | - Gerd Schmitz
- Leibniz Universität Hannover, Institut für Sportwissenschaft, Hannover, Germany
| | - Markus F. Müller
- Centro Internacional de Ciencias, A.C., Cuernavaca, Mexico
- Centro de Investigación en Ciencias, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
- Centro de Ciencias de la Complejidad, Universidad Nacional Autónoma de México, Mexico City, Mexico
- *Correspondence: Markus F. Müller,
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Heindorf C, Reyes-Agüero JA, Fortanelli-Martínez J, van ’t Hooft A. More than Maize, Bananas, and Coffee: The Inter- and Intraspecific Diversity of Edible Plants of the Huastec Mayan Landscape Mosaics in Mexico 1. Econ Bot 2021; 75:158-174. [PMID: 34257465 PMCID: PMC8269408 DOI: 10.1007/s12231-021-09520-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 05/12/2021] [Indexed: 06/13/2023]
Abstract
UNLABELLED More than Maize, Bananas, and Coffee: The Inter- and Intraspecific Edible Plant Diversity in Huastec Mayan Landscape Mosaics in Mexico. Global emergencies such as biodiversity loss and climate crisis urge us to identify and mainstream crop genetic resources in complex indigenous farming systems to understand their role as genetic reservoirs and identify synergies in productive landscapes between development, conservation, and food security. We aimed to characterize the inter- and intraspecific diversity of food plants of the Tének (or Huastec) in Mexico and their distribution within and between the different land-use systems along a tropical altitudinal gradient. Tének farmers manage a highly diverse and dynamic food biota in swidden maize fields, agroforestry systems, and home gardens. Even with a small sample size, our study provides a complete analysis of the food crop diversity in the research area. The Tének cultivate a high number of 347 registered species and variants, most of them at medium altitude. Intraspecific diversity dominates (69%). All land-use systems of the agroecosystem complex serve as a specific pool for plant genetic resources, and there is a low similarity between and within systems and localities, especially at the intraspecific level. The proportion of rare and unique food plants is high. We recommend an agroecosystem approach and prioritization for conservation as well as other efforts related to the in situ crop genetic capital. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12231-021-09520-9.
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Affiliation(s)
- C. Heindorf
- Multidisciplinary Postgraduate Program in Environmental Sciences, Autonomous University of San Luis Potosí, San Luis Potosí, Mexico
| | - J. A. Reyes-Agüero
- Desert Zone Research Institute, Autonomous University of San Luis Potosí, San Luis Potosí, Mexico
| | - J. Fortanelli-Martínez
- Desert Zone Research Institute, Autonomous University of San Luis Potosí, San Luis Potosí, Mexico
| | - A. van ’t Hooft
- Faculty of Social Sciences and Humanities, Autonomous University of San Luis Potosí, San Luis Potosí, Mexico
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Moreno Lorenzana D, Juárez Velázquez MDR, Reyes León A, Martínez Anaya D, Hernández Monterde A, Salas Labadía C, Navarrete Meneses MDP, Zapata Tarrés M, Juárez Villegas L, Jarquín Ramírez B, Cárdenas Cardós R, Herrera Almanza M, Paredes Aguilera R, Pérez Vera P. CRLF2 and IKZF1 abnormalities in Mexican children with acute lymphoblastic leukemia and recurrent gene fusions: exploring surrogate markers of signaling pathways. J Pathol Clin Res 2021; 7:410-421. [PMID: 33890726 PMCID: PMC8185361 DOI: 10.1002/cjp2.211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 01/15/2021] [Accepted: 03/10/2021] [Indexed: 11/29/2022]
Abstract
The gene fusions BCR-ABL1, TCF3-PBX1, and ETV6-RUNX1 are recurrent in B-cell acute lymphoblastic leukemia (B-ALL) and are found with low frequency in coexistence with CRLF2 (cytokine receptor-like factor 2) rearrangements and overexpression. There is limited information regarding the CRLF2 abnormalities and dominant-negative IKZF1 isoforms associated with surrogate markers of Jak2, ABL, and Ras signaling pathways. To assess this, we evaluated 24 Mexican children with B-ALL positive for recurrent gene fusions at diagnosis. We found CRLF2 rearrangements and/or overexpression, dominant-negative IKZF1 isoforms, and surrogate phosphorylated markers of signaling pathways coexisting with recurrent gene fusions. All the BCR-ABL1 patients expressed CRLF2 and were positive for pCrkl (ABL); most of them were also positive for pStat5 (Jak2/Stat5) and negative for pErk (Ras). TCF3-PBX1 patients with CRLF2 abnormalities were positive for pStat5, most of them were also positive for pCrkl, and two patients were also positive for pErk. One patient with ETV6-RUNX1 and intracellular CRLF2 protein expressed pCrkl. In some cases, the activated signaling pathways were reverted in vitro by specific inhibitors. We further analyzed a TCF3-PBX1 patient at relapse, identifying a clone with the recurrent gene fusion, P2RY8-CRLF2, rearrangement, and phosphorylation of the three surrogate markers that we studied. These results agree with the previous reports regarding resistance to treatment observed in patients with recurrent gene fusions and coexisting CRLF2 gene abnormalities. A marker phosphorylation signature was identified in BCR-ABL1 and TCF3-PBX1 patients. To obtain useful information for the assessment of treatment in B-ALL patients with recurrent gene fusions, we suggest that they should be evaluated at diagnosis for CRLF2 gene abnormalities and dominant-negative IKZF1 isoforms, in addition to the analyses of activation and inhibition of signaling pathways.
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Affiliation(s)
- Dafné Moreno Lorenzana
- Laboratorio de Genética y CáncerInstituto Nacional de PediatríaMexico CityMexico
- Cátedra CONACYT‐Instituto Nacional de PediatríaMexico CityMexico
| | | | - Adriana Reyes León
- Laboratorio de Genética y CáncerInstituto Nacional de PediatríaMexico CityMexico
| | - Daniel Martínez Anaya
- Laboratorio de Genética y CáncerInstituto Nacional de PediatríaMexico CityMexico
- Posgrado en Ciencias BiológicasUniversidad Nacional Autónoma de MéxicoMexico CityMexico
| | | | | | | | | | - Luis Juárez Villegas
- Servicio de Hemato‐OncologíaHospital Infantil de México Federico GómezMexico CityMexico
| | | | | | - Martha Herrera Almanza
- Laboratorio de Genética y CáncerInstituto Nacional de PediatríaMexico CityMexico
- Becaria de la Dirección General de Calidad y Educación en SaludSecretaría de Salud MéxicoMexico CityMexico
| | | | - Patricia Pérez Vera
- Laboratorio de Genética y CáncerInstituto Nacional de PediatríaMexico CityMexico
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Sandra Guadalupe B, Mario Noé M, Gustavo Esteban P, Norma Yvett G, Karina C, Alma Leticia C, Alan Eduardo H, José Guadalupe H, Álvaro P, Alejandro Gabriel G, Martha P. Detection of antigens and anti-Toxocara canis antibodies in children with different asthma severities. Immun Inflamm Dis 2021; 9:435-442. [PMID: 33559301 PMCID: PMC8127555 DOI: 10.1002/iid3.403] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Toxocara canis can produce or exacerbate asthma, and the detection of anti-T. canis immunoglobulin G (IgG) does not discriminate between recent infection or active larva migrans. In this study, we searched for T. canis third-stage larval antigens (L3 TES) and anti-T. canis antibodies in children with different severities of asthma, controlled or uncontrolled. METHODS A total of 145 patients with asthma who were previously diagnosed using the Global Initiative for Asthma guidelines were included. The asthma control was evaluated with the Asthma Control Questionnaire (ACQ). Enzyme-linked immunosorbent assay was performed for the detection of L3 TES; IgG was detected using sera preadsorbed with Ascaris antigens (native kit), and a commercial kit (IgG) was used as the gold standard. RESULTS L3 TES was found in 2 patients (1.37%). One had L3 TES and anti-T. canis IgG, suggesting active larva migrans. In the other patient, only L3 TES was detected, likely because an infection had begun. The seroprevalence with the commercial kit and native kit was 6.2% and 17.93%, respectively. There was no significant association among asthma severity, ACQ and T. canis seroprevalence (p > .05). CONCLUSION It is possible to detect L3 TES in patients with asthma. Two complementary techniques that can determine the infection status with T. canis and rule out cross-reactions involve the detection of L3 TES and IgG using sera preadsorbed with Ascaris antigen. There was no significant association among asthma severity, ACQ and T. canis seroprevalence.
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Affiliation(s)
- Bautista‐García Sandra Guadalupe
- Servicio de Inmunología y Alergia, Departamento de Consulta Externa de PediatríaInstituto Nacional de Pediatría (INP)Ciudad de MéxicoMéxico
| | - Martínez‐Gordillo Mario Noé
- Laboratorio de Parasitología Experimental, Subdirección de Medicina ExperimentalInstituto Nacional de Pediatría (INP)Ciudad de MéxicoMéxico
| | - Peralta‐Abarca Gustavo Esteban
- Laboratorio de Parasitología Experimental, Subdirección de Medicina ExperimentalInstituto Nacional de Pediatría (INP)Ciudad de MéxicoMéxico
| | - González‐Bobadilla Norma Yvett
- Servicio de Inmunología y Alergia, Departamento de Consulta Externa de PediatríaInstituto Nacional de Pediatría (INP)Ciudad de MéxicoMéxico
| | - Clavijo‐Sánchez Karina
- Departamento de Biología, Facultad de CienciasUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Chávez‐Zea Alma Leticia
- Coordinación del Servicio Social, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | | | - Huerta‐López José Guadalupe
- Servicio de Inmunología y Alergia, Departamento de Consulta Externa de PediatríaInstituto Nacional de Pediatría (INP)Ciudad de MéxicoMéxico
| | - Pedroza‐Meléndez Álvaro
- Servicio de Inmunología y Alergia, Departamento de Consulta Externa de PediatríaInstituto Nacional de Pediatría (INP)Ciudad de MéxicoMéxico
| | | | - Ponce‐Macotela Martha
- Laboratorio de Parasitología Experimental, Subdirección de Medicina ExperimentalInstituto Nacional de Pediatría (INP)Ciudad de MéxicoMéxico
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Percino‐Daniel R, Contreras López JM, Téllez‐Valdés O, Méndez de la Cruz FR, Gonzalez‐Voyer A, Piñero D. Environmental heterogeneity shapes physiological traits in tropical direct-developing frogs. Ecol Evol 2021; 11:6688-6702. [PMID: 34141250 PMCID: PMC8207348 DOI: 10.1002/ece3.7521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 03/12/2021] [Accepted: 03/15/2021] [Indexed: 01/31/2023] Open
Abstract
Tropical ectotherm species tend to have narrower physiological limits than species from temperate areas. As a consequence, tropical species are considered highly vulnerable to climate change since minor temperature increases can push them beyond their physiological thermal tolerance. Differences in physiological tolerances can also be seen at finer evolutionary scales, such as among populations of ectotherm species along elevation gradients, highlighting the physiological sensitivity of such organisms.Here, we analyze the influence of elevation and bioclimatic domains, defined by temperature and precipitation, on thermal sensitivities of a terrestrial direct-developing frog (Craugastor loki) in a tropical gradient. We address the following questions: (a) Does preferred temperature vary with elevation and among bioclimatic domains? (b) Do thermal tolerance limits, that is, critical thermal maximum and critical thermal minimum vary with elevation and bioclimatic domains? and (c) Are populations from high elevations more vulnerable to climate warming?We found that along an elevation gradient body temperature decreases as environmental temperature increases. The preferred temperature tends to moderately increase with elevation within the sampled bioclimatic domains. Our results indicate that the ideal thermal landscape for this species is located at midelevations, where the thermal accuracy (db ) and thermal quality of the environment (de ) are suitable. The critical thermal maximum is variable across elevations and among the bioclimatic domains, decreasing as elevation increases. Conversely, the critical thermal minimum is not as variable as the critical thermal maximum.Populations from the lowlands may be more vulnerable to future increases in temperature. We highlight that the critical thermal maximum is related to high temperatures exhibited across the elevation gradient and within each bioclimatic domain; therefore, it is a response to high environmental temperatures.
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Affiliation(s)
- Ruth Percino‐Daniel
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de MéxicoMexico CityMexico
- Posgrado en Ciencias BiológicasUniversidad Nacional Autónoma de MéxicoMexico CityMexico
| | - José M. Contreras López
- Instituto de Ciencias BiológicasUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | - Oswaldo Téllez‐Valdés
- Facultad de Estudios SuperioresUnidad de Biotecnología y Prototipos (UBIPRO)Iztacala TlalnepantlaMexico
| | - Fausto R. Méndez de la Cruz
- Departamento de ZoologíaLaboratorio de HerpetologíaInstituto de BiologíaUniversidad Nacional Autónoma de MéxicoMexico CityMexico
| | - Alejandro Gonzalez‐Voyer
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de MéxicoMexico CityMexico
| | - Daniel Piñero
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de MéxicoMexico CityMexico
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Aquino D, Moreno‐Letelier A, González‐Botello MA, Arias S. The importance of environmental conditions in maintaining lineage identity in Epithelantha (Cactaceae). Ecol Evol 2021; 11:4520-4531. [PMID: 33976827 PMCID: PMC8093668 DOI: 10.1002/ece3.7347] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 01/28/2021] [Accepted: 02/03/2021] [Indexed: 11/17/2022] Open
Abstract
The use of environmental variables to explain the evolution of lineages has gained relevance in recent studies. Additionally, it has allowed the recognition of species by adding more characters to morphological and molecular information. This study focuses on identifying environmental and landscape variables that have acted as barriers that could have influenced the evolution of Epithelantha species and its close genera.Our results show that soil pH, isothermality, temperature seasonality, and annual precipitation have a significant phylogenetic signal for Epithelantha. Soil type and landforms are also relevant as ecological barriers that maintain the identity of Epithelantha species.The variables associated with the soil (pH) have influenced the evolution of Epithelantha and probably in other genera of Cactaceae. Additionally, Epithelantha is frequent in the piedmont and haplic kastanozems. Bioclimatic variables reinforce the recognition of E. micromeris, and E. cryptica as independent species. Therefore, ecology can be considered as a factor to explain the high level of endemism in Cactaceae.
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Affiliation(s)
- David Aquino
- Jardín BotánicoInstituto de BiologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | | | | | - Salvador Arias
- Jardín BotánicoInstituto de BiologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
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7
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Solís‐Vivanco R, Jensen O, Bonnefond M. New insights on the ventral attention network: Active suppression and involuntary recruitment during a bimodal task. Hum Brain Mapp 2021; 42:1699-1713. [PMID: 33347695 PMCID: PMC7978122 DOI: 10.1002/hbm.25322] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 01/10/2023] Open
Abstract
Detection of unexpected, yet relevant events is essential in daily life. fMRI studies have revealed the involvement of the ventral attention network (VAN), including the temporo-parietal junction (TPJ), in such process. In this MEG study with 34 participants (17 women), we used a bimodal (visual/auditory) attention task to determine the neuronal dynamics associated with suppression of the activity of the VAN during top-down attention and its recruitment when information from the unattended sensory modality is involuntarily integrated. We observed an anticipatory power increase of alpha/beta oscillations (12-20 Hz, previously associated with functional inhibition) in the VAN following a cue indicating the modality to attend. Stronger VAN power increases were associated with better task performance, suggesting that the VAN suppression prevents shifting attention to distractors. Moreover, the TPJ was synchronized with the frontal eye field in that frequency band, indicating that the dorsal attention network (DAN) might participate in such suppression. Furthermore, we found a 12-20 Hz power decrease and enhanced synchronization, in both the VAN and DAN, when information between sensory modalities was congruent, suggesting an involvement of these networks when attention is involuntarily enhanced due to multisensory integration. Our results show that effective multimodal attentional allocation includes the modulation of the VAN and DAN through upper-alpha/beta oscillations. Altogether these results indicate that the suppressing role of alpha/beta oscillations might operate beyond sensory regions.
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Affiliation(s)
- Rodolfo Solís‐Vivanco
- Laboratory of NeuropsychologyInstituto Nacional de Neurología y Neurocirugía Manuel Velasco SuárezMexico CityMexico
- Donders Institute for Brain, Cognition and BehaviourCentre for Cognitive Neuroimaging, Radboud UniversityNijmegenNetherlands
| | - Ole Jensen
- Centre for Human Brain HealthUniversity of BirminghamBirminghamUnited Kingdom
| | - Mathilde Bonnefond
- Donders Institute for Brain, Cognition and BehaviourCentre for Cognitive Neuroimaging, Radboud UniversityNijmegenNetherlands
- Computation, Cognition and Neurophysiology team (Cophy), INSERM U1028, CNRS UMR5292Lyon Neuroscience Research Center (CRNL)Bron CedexFrance
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8
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Herrera‐Solorio AM, Peralta‐Arrieta I, Armas López L, Hernández‐Cigala N, Mendoza Milla C, Ortiz Quintero B, Catalán Cárdenas R, Pineda Villegas P, Rodríguez Villanueva E, Trejo Iriarte CG, Zúñiga J, Arrieta O, Ávila‐Moreno F. LncRNA SOX2-OT regulates AKT/ERK and SOX2/GLI-1 expression, hinders therapy, and worsens clinical prognosis in malignant lung diseases. Mol Oncol 2021; 15:1110-1129. [PMID: 33433063 PMCID: PMC8024737 DOI: 10.1002/1878-0261.12875] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 10/31/2020] [Accepted: 12/04/2020] [Indexed: 12/17/2022] Open
Abstract
The involvement of LncRNA SOX2-overlapping transcript (SOX2-OT), SOX2, and GLI-1 transcription factors in cancer has been well documented. Nonetheless, it is still unknown whether co-expressed SOX2-OT/SOX2 or SOX2-OT/SOX2/GLI-1 axes are epigenetically/transcriptionally involved in terms of resistance to oncology therapy and in poorer clinical outcomes for patients with lung cancer. We evaluated the role of SOX2-OT/SOX2 and SOX2-OT/SOX2/GLI-1 axes using RT-qPCR, western blot, immunofluorescence analyses, gene silencing, cellular cytotoxic, and ChIP-qPCR assays on human cell lines, solid lung malignant tumors, and normal lung tissue. We detected that the SOX2-OT/SOX2/GLI-1 axis promotes resistance to tyrosine kinase inhibitor (TKI)-erlotinib and cisplatin-based therapy. Evidence from this study show that SOX2-OT modulates the expression/activation of EGFR-pathway members AKT/ERK. Further, both SOX2-OT and GLI-1 genes are epigenetically regulated at their promoter sequences, in an LncRNA SOX2-OT-dependent manner, mainly through modifying the enrichment of the activation histone mark H3K4me3/H3K27Ac, versus the repressive histone mark H3K9me3/H3K27me3. In addition, we identified that inhibition of SOX2-OT and reduced expression of SOX2/GLI-1 sensitizes lung cancer cells to EGFR/TKI-erlotinib or cisplatin-based treatment. Finally, we show that high co-expression of SOX2-OT/SOX2 transcripts and SOX2/GLI-1 proteins appears to correlate with a poor clinical prognosis and lung malignant phenotype. Collectively, these results present evidence that LncRNA SOX2-OT modulates an orchestrated resistance mechanism, promoting poor prognosis and human lung malignancy through genetic, epigenetic, and post-translational mechanisms.
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Affiliation(s)
- Abril Marcela Herrera‐Solorio
- Biomedicine Research Unit (UBIMED)Lung Diseases and Cancer Epigenomics LaboratoryFacultad de Estudios Superiores (FES) IztacalaNational Autonomous University of Mexico (UNAM)Tlalnepantla de BazMexico
| | - Irlanda Peralta‐Arrieta
- Biomedicine Research Unit (UBIMED)Lung Diseases and Cancer Epigenomics LaboratoryFacultad de Estudios Superiores (FES) IztacalaNational Autonomous University of Mexico (UNAM)Tlalnepantla de BazMexico
| | - Leonel Armas López
- Biomedicine Research Unit (UBIMED)Lung Diseases and Cancer Epigenomics LaboratoryFacultad de Estudios Superiores (FES) IztacalaNational Autonomous University of Mexico (UNAM)Tlalnepantla de BazMexico
| | - Nallely Hernández‐Cigala
- Biomedicine Research Unit (UBIMED)Lung Diseases and Cancer Epigenomics LaboratoryFacultad de Estudios Superiores (FES) IztacalaNational Autonomous University of Mexico (UNAM)Tlalnepantla de BazMexico
| | - Criselda Mendoza Milla
- National Institute of Respiratory Diseases (INER), Ismael Cosío VillegasMexico CityMexico
| | - Blanca Ortiz Quintero
- National Institute of Respiratory Diseases (INER), Ismael Cosío VillegasMexico CityMexico
| | - Rodrigo Catalán Cárdenas
- Thoracic Oncology UnitLaboratory of Personalized MedicineInstituto Nacional de Cancerología (INCAN)Mexico CityMexico
| | - Priscila Pineda Villegas
- Biomedicine Research Unit (UBIMED)Lung Diseases and Cancer Epigenomics LaboratoryFacultad de Estudios Superiores (FES) IztacalaNational Autonomous University of Mexico (UNAM)Tlalnepantla de BazMexico
| | - Evelyn Rodríguez Villanueva
- Grupo de Investigación en Células Troncales e Ingeniería de Tejidos (GICTIT)Laboratorio de Investigación en Odontología AlmarazFES‐IztacalaNational Autonomous University of México (UNAM)Tlalnepantla de BazMexico
| | - Cynthia G. Trejo Iriarte
- Grupo de Investigación en Células Troncales e Ingeniería de Tejidos (GICTIT)Laboratorio de Investigación en Odontología AlmarazFES‐IztacalaNational Autonomous University of México (UNAM)Tlalnepantla de BazMexico
| | - Joaquín Zúñiga
- National Institute of Respiratory Diseases (INER), Ismael Cosío VillegasMexico CityMexico
| | - Oscar Arrieta
- Thoracic Oncology UnitLaboratory of Personalized MedicineInstituto Nacional de Cancerología (INCAN)Mexico CityMexico
| | - Federico Ávila‐Moreno
- Biomedicine Research Unit (UBIMED)Lung Diseases and Cancer Epigenomics LaboratoryFacultad de Estudios Superiores (FES) IztacalaNational Autonomous University of Mexico (UNAM)Tlalnepantla de BazMexico
- National Institute of Respiratory Diseases (INER), Ismael Cosío VillegasMexico CityMexico
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Chavarro‐Carrero EA, Vermeulen JP, E. Torres D, Usami T, Schouten HJ, Bai Y, Seidl MF, Thomma BPHJ. Comparative genomics reveals the in planta-secreted Verticillium dahliae Av2 effector protein recognized in tomato plants that carry the V2 resistance locus. Environ Microbiol 2021; 23:1941-1958. [PMID: 33078534 PMCID: PMC8246953 DOI: 10.1111/1462-2920.15288] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/16/2020] [Accepted: 10/18/2020] [Indexed: 12/12/2022]
Abstract
Plant pathogens secrete effector molecules during host invasion to promote colonization. However, some of these effectors become recognized by host receptors to mount a defence response and establish immunity. Recently, a novel resistance was identified in wild tomato, mediated by the single dominant V2 locus, to control strains of the soil-borne vascular wilt fungus Verticillium dahliae that belong to race 2. With comparative genomics of race 2 strains and resistance-breaking race 3 strains, we identified the avirulence effector that activates V2 resistance, termed Av2. We identified 277 kb of race 2-specific sequence comprising only two genes encoding predicted secreted proteins that are expressed during tomato colonization. Subsequent functional analysis based on genetic complementation into race 3 isolates and targeted deletion from the race 1 isolate JR2 and race 2 isolate TO22 confirmed that one of the two candidates encodes the avirulence effector Av2 that is recognized in V2 tomato plants. Two Av2 allelic variants were identified that encode Av2 variants that differ by a single acid. Thus far, a role in virulence could not be demonstrated for either of the two variants.
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Affiliation(s)
| | - Jasper P. Vermeulen
- Laboratory of PhytopathologyWageningen University and ResearchWageningen6708 PBThe Netherlands
- Laboratory of Plant BreedingWageningen University and ResearchWageningen6708 PBThe Netherlands
| | - David E. Torres
- Laboratory of PhytopathologyWageningen University and ResearchWageningen6708 PBThe Netherlands
- Theoretical Biology and Bioinformatics Group, Department of BiologyUtrecht UniversityUtrechtThe Netherlands
| | - Toshiyuki Usami
- Graduate School of HorticultureChiba UniversityMatsudo, Chiba271‐8510Japan
| | - Henk J. Schouten
- Laboratory of Plant BreedingWageningen University and ResearchWageningen6708 PBThe Netherlands
| | - Yuling Bai
- Laboratory of Plant BreedingWageningen University and ResearchWageningen6708 PBThe Netherlands
| | - Michael F. Seidl
- Laboratory of PhytopathologyWageningen University and ResearchWageningen6708 PBThe Netherlands
- Theoretical Biology and Bioinformatics Group, Department of BiologyUtrecht UniversityUtrechtThe Netherlands
| | - Bart P. H. J. Thomma
- Laboratory of PhytopathologyWageningen University and ResearchWageningen6708 PBThe Netherlands
- Cluster of Excellence on Plant Sciences (CEPLAS)University of Cologne, Botanical InstituteCologneGermany
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10
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Zhang J, Farias‐Mancilla B, Kulai I, Hoeppener S, Lonetti B, Prévost S, Ulbrich J, Destarac M, Colombani O, Schubert US, Guerrero‐Sanchez C, Harrisson S. Effect of Hydrophilic Monomer Distribution on Self-Assembly of a pH-Responsive Copolymer: Spheres, Worms and Vesicles from a Single Copolymer Composition. Angew Chem Int Ed Engl 2021; 60:4925-4930. [PMID: 32997426 PMCID: PMC7984367 DOI: 10.1002/anie.202010501] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/24/2020] [Indexed: 11/22/2022]
Abstract
A series of copolymers containing 50 mol % acrylic acid (AA) and 50 mol % butyl acrylate (BA) but with differing composition profiles ranging from an AA-BA diblock copolymer to a linear gradient poly(AA-grad-BA) copolymer were synthesized and their pH-responsive self-assembly behavior was investigated. While assemblies of the AA-BA diblock copolymer were kinetically frozen, the gradient-like compositions underwent reversible changes in size and morphology in response to changes in pH. In particular, a diblock copolymer consisting of two random copolymer segments of equal length (16 mol % and 84 mol % AA content, respectively) formed spherical micelles at pH >5, a mix of spherical and wormlike micelles at pH 5 and vesicles at pH 4. These assemblies were characterized by dynamic light scattering, cryo-transmission electron microscopy and small angle neutron scattering.
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Affiliation(s)
- Junliang Zhang
- Shaanxi Key Laboratory of Macromolecular Science and TechnologySchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi'anShaanxi710072P. R. China
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | | | - Ihor Kulai
- IMRCP UMR5623Université de Toulouse118, route de Narbonne31062Toulouse Cedex 9France
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Barbara Lonetti
- IMRCP UMR5623Université de Toulouse118, route de Narbonne31062Toulouse Cedex 9France
| | | | - Jens Ulbrich
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Mathias Destarac
- IMRCP UMR5623Université de Toulouse118, route de Narbonne31062Toulouse Cedex 9France
| | - Olivier Colombani
- Institut des Molécules et Matériaux du Mans (IMMM)UMR 6283 CNRSLe Mans Université/ CNRSAvenue Olivier Messiaen72085Le Mans Cedex 9France
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Carlos Guerrero‐Sanchez
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Simon Harrisson
- LCPO UMR 5629Université Bordeaux/ CNRS/ Ecole Nationale Supérieure de Chimie, de Biologie & de Physique16 Avenue Pey-Berland33607Pessac CedexFrance
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11
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Collins EJ, Cervantes-Silva MP, Timmons GA, O'Siorain JR, Curtis AM, Hurley JM. Post-transcriptional circadian regulation in macrophages organizes temporally distinct immunometabolic states. Genome Res 2021; 31:171-185. [PMID: 33436377 PMCID: PMC7849412 DOI: 10.1101/gr.263814.120] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 11/20/2020] [Indexed: 01/07/2023]
Abstract
Our core timekeeping mechanism, the circadian clock, plays a vital role in immunity. Although the mechanics of circadian control over the immune response is generally explained by transcriptional activation or repression derived from this clock's transcription-translation negative-feedback loop, research suggests that some regulation occurs beyond transcriptional activity. We comprehensively profiled the transcriptome and proteome of murine bone marrow-derived macrophages and found that only 15% of the circadian proteome had corresponding oscillating mRNA, suggesting post-transcriptional regulation influences macrophage clock regulatory output to a greater extent than any other tissue previously profiled. This regulation may be explained by the robust temporal enrichment we identified for proteins involved in degradation and translation. Extensive post-transcriptional temporal-gating of metabolic pathways was also observed and further corresponded with daily variations in ATP production, mitochondrial morphology, and phagocytosis. The disruption of this circadian post-transcriptional metabolic regulation impaired immune functionality. Our results demonstrate that cell-intrinsic post-transcriptional regulation is a primary driver of circadian output in macrophages and that this regulation, particularly of metabolic pathways, plays an important role in determining their response to immune stimuli.
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Affiliation(s)
- Emily J Collins
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, New York 12180, USA
| | - Mariana P Cervantes-Silva
- School of Pharmacy and Biomedical Sciences and Tissue Engineering Research Group, Royal College of Surgeons in Ireland, Dublin D02, Ireland
| | - George A Timmons
- School of Pharmacy and Biomedical Sciences and Tissue Engineering Research Group, Royal College of Surgeons in Ireland, Dublin D02, Ireland
| | - James R O'Siorain
- School of Pharmacy and Biomedical Sciences and Tissue Engineering Research Group, Royal College of Surgeons in Ireland, Dublin D02, Ireland
| | - Annie M Curtis
- School of Pharmacy and Biomedical Sciences and Tissue Engineering Research Group, Royal College of Surgeons in Ireland, Dublin D02, Ireland
| | - Jennifer M Hurley
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, New York 12180, USA
- Center for Biotechnology and Interdisciplinary Sciences, Rensselaer Polytechnic Institute, Troy, New York 12180, USA
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12
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Bauer CCC, Rozenkrantz L, Caballero C, Nieto‐Castanon A, Scherer E, West MR, Mrazek M, Phillips DT, Gabrieli JDE, Whitfield‐Gabrieli S. Mindfulness training preserves sustained attention and resting state anticorrelation between default-mode network and dorsolateral prefrontal cortex: A randomized controlled trial. Hum Brain Mapp 2020; 41:5356-5369. [PMID: 32969562 PMCID: PMC7670646 DOI: 10.1002/hbm.25197] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/04/2020] [Accepted: 08/18/2020] [Indexed: 01/21/2023] Open
Abstract
Mindfulness training can enhance cognitive control, but the neural mechanisms underlying such enhancement in children are unknown. Here, we conducted a randomized controlled trial (RCT) with sixth graders (mean age 11.76 years) to examine the impact of 8 weeks of school-based mindfulness training, relative to coding training as an active control, on sustained attention and associated resting-state functional brain connectivity. At baseline, better performance on a sustained-attention task correlated with greater anticorrelation between the default mode network (DMN) and right dorsolateral prefrontal cortex (DLPFC), a key node of the central executive network. Following the interventions, children in the mindfulness group preserved their sustained-attention performance (i.e., fewer lapses of attention) and preserved DMN-DLPFC anticorrelation compared to children in the active control group, who exhibited declines in both sustained attention and DMN-DLPFC anticorrelation. Further, change in sustained-attention performance correlated with change in DMN-DLPFC anticorrelation only within the mindfulness group. These findings provide the first causal link between mindfulness training and both sustained attention and associated neural plasticity. Administered as a part of sixth graders' school schedule, this RCT supports the beneficial effects of school-based mindfulness training on cognitive control.
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Affiliation(s)
- Clemens C. C. Bauer
- Department of Brain and Cognitive Sciences and McGovern Institute for Brain ResearchMassachusetts Institute of TechnologyCambridgeMassachusettsUSA
- Department of PsychologyNortheastern UniversityBostonMassachusettsUSA
| | - Liron Rozenkrantz
- Department of Brain and Cognitive Sciences and McGovern Institute for Brain ResearchMassachusetts Institute of TechnologyCambridgeMassachusettsUSA
| | - Camila Caballero
- Department of Brain and Cognitive Sciences and McGovern Institute for Brain ResearchMassachusetts Institute of TechnologyCambridgeMassachusettsUSA
- Department of PsychologyYale UniversityNew HavenConnecticutUSA
| | - Alfonso Nieto‐Castanon
- Department of PsychologyNortheastern UniversityBostonMassachusettsUSA
- Department of Speech, Language and Hearing SciencesBoston UniversityBostonMassachusettsUSA
| | - Ethan Scherer
- Harvard Graduate School of EducationCambridgeMassachusettsUSA
| | - Martin R. West
- Harvard Graduate School of EducationCambridgeMassachusettsUSA
| | - Michael Mrazek
- Department of Psychological and Brain SciencesUniversity of CaliforniaSanta BarbaraCaliforniaUSA
| | - Dawa T. Phillips
- Empowerment HoldingsSanta BarbaraCaliforniaUSA
- International Mindfulness Teachers AssociationWakefieldMassachusettsUSA
| | - John D. E. Gabrieli
- Department of Brain and Cognitive Sciences and McGovern Institute for Brain ResearchMassachusetts Institute of TechnologyCambridgeMassachusettsUSA
- Harvard Graduate School of EducationCambridgeMassachusettsUSA
- MIT Integrated Learning InitiativeCambridgeMassachusettsUSA
| | - Susan Whitfield‐Gabrieli
- Department of Brain and Cognitive Sciences and McGovern Institute for Brain ResearchMassachusetts Institute of TechnologyCambridgeMassachusettsUSA
- Department of PsychologyNortheastern UniversityBostonMassachusettsUSA
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13
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Fonseca‐Muñoz A, Sarmiento‐Jiménez HE, Pérez‐Pacheco R, Thyssen PJ, Sherman RA. Clinical study of Maggot therapy for Fournier's gangrene. Int Wound J 2020; 17:1642-1649. [PMID: 32691532 PMCID: PMC7949221 DOI: 10.1111/iwj.13444] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 05/26/2020] [Accepted: 06/08/2020] [Indexed: 12/14/2022] Open
Abstract
Fournier's Gangrene is a fulminating necrotizing fasciitis of the perineum and genitalia. Standard treatment involves immediate excision of all necrotic tissue, aggressive antibiotic coverage, and supportive medical care. Still, the infection is commonly fatal or disfiguring. Wound treatment with disinfected blowfly larvae (maggot debridement therapy or MDT) has been shown to be highly effective, with multiple studies demonstrating effective debridement, disinfection, and promotion of granulation tissue. MDT also has been associated with preservation of viable tissue and minimised blood loss. This report describes a prospective clinical study of MDT for Fournier's gangrene aimed to test the hypothesis that early use of maggots could decrease the number of surgical treatments required to treat Fournier's gangrene. Subjects were provided with one initial surgical excision, followed by debridement using only medical grade Lucilia sericata larvae. Only two subjects were enrolled, both diabetic men. Intensive care and culture-directed antimicrobial coverage were administered as usual. Maggot debridement was associated with the disappearance of necrotic tissue, control of infection and granulation tissue growth. In both subjects, wounds healed without requiring further surgical resection or anatomical reconstruction. Maggot therapy decreased the number of surgical procedures that otherwise would have been necessary, and led to favourable outcomes.
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Affiliation(s)
- Alicia Fonseca‐Muñoz
- Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR)Instituto Politécnico Nacional (IPN), Unidad OaxacaSanta Cruz XoxocotlánMexico
| | | | - Rafael Pérez‐Pacheco
- Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR)Instituto Politécnico Nacional (IPN), Unidad OaxacaSanta Cruz XoxocotlánMexico
| | - Patricia J. Thyssen
- Department of Animal BiologyInstitute of Biology, University of Campinas (UNICAMP)CampinasBrazil
| | - Ronald A. Sherman
- Board Chair and DirectorBioTherapeutics, Education & Research (BTER) FoundationIrvineCaliforniaUSA
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14
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Rahmanudin A, Marcial‐Hernandez R, Zamhuri A, Walton AS, Tate DJ, Khan RU, Aphichatpanichakul S, Foster AB, Broll S, Turner ML. Organic Semiconductors Processed from Synthesis-to-Device in Water. Adv Sci (Weinh) 2020; 7:2002010. [PMID: 33173736 PMCID: PMC7610335 DOI: 10.1002/advs.202002010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/14/2020] [Indexed: 06/11/2023]
Abstract
Organic semiconductors (OSCs) promise to deliver next-generation electronic and energy devices that are flexible, scalable and printable. Unfortunately, realizing this opportunity is hampered by increasing concerns about the use of volatile organic compounds (VOCs), particularly toxic halogenated solvents that are detrimental to the environment and human health. Here, a cradle-to-grave process is reported to achieve high performance p- and n-type OSC devices based on indacenodithiophene and diketopyrrolopyrrole semiconducting polymers that utilizes aqueous-processes, fewer steps, lower reaction temperatures, a significant reduction in VOCs (>99%) and avoids all halogenated solvents. The process involves an aqueous mini-emulsion polymerization that generates a surfactant-stabilized aqueous dispersion of OSC nanoparticles at sufficient concentration to permit direct aqueous processing into thin films for use in organic field-effect transistors. Promisingly, the performance of these devices is comparable to those prepared using conventional synthesis and processing procedures optimized for large amounts of VOCs and halogenated solvents. Ultimately, the holistic approach reported addresses the environmental issues and enables a viable guideline for the delivery of future OSC devices using only aqueous media for synthesis, purification and thin-film processing.
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Affiliation(s)
- Aiman Rahmanudin
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Raymundo Marcial‐Hernandez
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Adibah Zamhuri
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Alex S. Walton
- Photon Science Institute and the Department of ChemistryAlan Turing BuildingUniversity of ManchesterOxford RoadManchesterM13 9PYUK
| | - Daniel J. Tate
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Raja U. Khan
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Suphaluk Aphichatpanichakul
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Andrew B. Foster
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Sebastian Broll
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Michael L. Turner
- Organic Materials Innovation CentreDepartment of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
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15
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Domínguez‐Romero AN, Martínez‐Cortés F, Munguía ME, Odales J, Gevorkian G, Manoutcharian K. Generation of multiepitope cancer vaccines based on large combinatorial libraries of survivin-derived mutant epitopes. Immunology 2020; 161:123-138. [PMID: 32619293 PMCID: PMC7496785 DOI: 10.1111/imm.13233] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 06/19/2020] [Accepted: 06/21/2020] [Indexed: 12/26/2022] Open
Abstract
Immune tolerance is the main challenge in the field of cancer vaccines, so modified peptide sequences or naturally occurring mutated versions of cancer-related wild-type (WT) antigens represent a promising pathway. However, the low immunogenicity of mutation-induced neoantigens and, particularly, their incapacity to activate CD8+ T cells are generating doubts on the success of neoantigen-based cancer vaccines in clinical trials. We developed a novel vaccine approach based on a new class of vaccine immunogens, called variable epitope libraries (VELs). We used three regions of survivin (SVN), composed of 40, 49 and 51 amino acids, along with the complete SVN protein to generate the VELs as multiepitope vaccines. BALB/c mice, challenged with the aggressive and highly metastatic 4T1 cell line, were vaccinated in a therapeutic setting. We showed significant tumor growth inhibition and, most importantly, strong suppression of lung metastasis after a single immunization using VEL vaccines. We demonstrated vaccine-induced broad cellular immune responses concomitant with extensive tumor infiltration of T cells, the activation of CD107a+ IFN-γ+ T cells in the spleen and a significant increase in the number of CD3+ CD8+ Ly6C+ effector T cells. In addition, we observed the presence of interferon-γ-, granzyme B- and perforin-producing lymphocytes along with modifications in the amount of CD11b+ Ly6Cint/low Ly6G+ granulocytic myeloid-derived suppressor cells and CD4+ CD25+ FoxP3+ regulatory T cells in the lungs and tumors of mice. In summary, we showed that the VELs represent a potent new class of cancer immunotherapy and propose the application of the VEL vaccine concept as a true alternative to currently available vaccine platforms.
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Affiliation(s)
| | - Fernando Martínez‐Cortés
- Instituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de México (UNAM)MéxicoDFMéxico
| | - María Elena Munguía
- Instituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de México (UNAM)MéxicoDFMéxico
| | - Josué Odales
- Instituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de México (UNAM)MéxicoDFMéxico
| | - Goar Gevorkian
- Instituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de México (UNAM)MéxicoDFMéxico
| | - Karen Manoutcharian
- Instituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de México (UNAM)MéxicoDFMéxico
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16
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Lugo Leija HA, Velickovic K, Bloor I, Sacks H, Symonds ME, Sottile V. Cold-induced beigeing of stem cell-derived adipocytes is not fully reversible after return to normothermia. J Cell Mol Med 2020; 24:11434-11444. [PMID: 32902117 PMCID: PMC7576274 DOI: 10.1111/jcmm.15749] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/17/2020] [Accepted: 07/30/2020] [Indexed: 01/20/2023] Open
Abstract
Beige adipocytes possess the morphological and biochemical characteristics of brown adipocytes, including the mitochondrial uncoupling protein (UCP)1. Mesenchymal stem cells (MSCs) are somatic multipotent progenitors which differentiate into lipid-laden adipocytes. Induction of MSC adipogenesis under hypothermic culture conditions (ie 32°C) promotes the appearance of a beige adipogenic phenotype, but the stability of this phenotypic switch after cells are returned to normothermic conditions of 37°C has not been fully examined. Here, cells transferred from 32°C to 37°C retained their multilocular beige-like morphology and exhibited an intermediate gene expression profile, with both beige-like and white adipocyte characteristics while maintaining UCP1 protein expression. Metabolic profile analysis indicated that the bioenergetic status of cells initially differentiated at 32°C adapted post-transfer to 37°C, showing an increase in mitochondrial respiration and glycolysis. The ability of the transferred cells to respond under stress conditions (eg carbonyl cyanide-4-phenylhydrazone (FCCP) treatment) demonstrated higher functional capacity of enzymes involved in the electron transport chain and capability to supply substrate to the mitochondria. Overall, MSC-derived adipocytes incubated at 32°C were able to remain metabolically active and retain brown-like features after 3 weeks of acclimatization at 37°C, indicating these phenotypic characteristics acquired in response to environmental conditions are not fully reversible.
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Affiliation(s)
| | - Ksenija Velickovic
- Wolfson STEM CentreSchool of MedicineThe University of NottinghamNottinghamUK
| | - Ian Bloor
- The Early Life Research UnitDivision of Child Health, Obstetrics and GynaecologyThe University of NottinghamNottinghamUK
| | - Harold Sacks
- VA Endocrinology and Diabetes DivisionDepartment of MedicineUniversity of CaliforniaLos AngelesCAUSA
| | - Michael E. Symonds
- The Early Life Research UnitDivision of Child Health, Obstetrics and GynaecologyThe University of NottinghamNottinghamUK
- Nottingham Digestive Disease Centre and Biomedical Research CentreSchool of MedicineThe University of NottinghamNottinghamUK
| | - Virginie Sottile
- Wolfson STEM CentreSchool of MedicineThe University of NottinghamNottinghamUK
- Department of Molecular MedicineThe University of PaviaPaviaItaly
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17
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Ortega‐Beltran A, Callicott KA, Cotty PJ. Founder events influence structures of Aspergillus flavus populations. Environ Microbiol 2020; 22:3522-3534. [PMID: 32515100 PMCID: PMC7496522 DOI: 10.1111/1462-2920.15122] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 04/29/2020] [Accepted: 06/04/2020] [Indexed: 12/14/2022]
Abstract
In warm regions, agricultural fields are occupied by complex Aspergillus flavus communities composed of isolates in many vegetative compatibility groups (VCGs) with varying abilities to produce highly toxic, carcinogenic aflatoxins. Aflatoxin contamination is reduced with biocontrol products that enable atoxigenic isolates from atoxigenic VCGs to dominate the population. Shifts in VCG frequencies similar to those caused by the introduction of biocontrol isolates were detected in Sonora, Mexico, where biocontrol is not currently practiced. The shifts were attributed to founder events. Although VCGs reproduce clonally, significant diversity exists within VCGs. Simple sequence repeat (SSR) fingerprinting revealed that increased frequencies of VCG YV150 involved a single haplotype. This is consistent with a founder event. Additionally, great diversity was detected among 82 YV150 isolates collected over 20 years across Mexico and the United States. Thirty-six YV150 haplotypes were separated into two populations by Structure and SplitsTree analyses. Sixty-five percent of isolates had MAT1-1 and belonged to one population. The remaining had MAT1-2 and belonged to the second population. SSR alleles varied within populations, but recombination between populations was not detected despite co-occurrence at some locations. Results suggest that YV150 isolates with opposite mating-type have either strongly restrained or lost sexual reproduction among themselves.
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Affiliation(s)
- Alejandro Ortega‐Beltran
- School of Plant SciencesUniversity of ArizonaTucsonAZ85721USA
- International Institute of Tropical AgriculturePMB 5320 Oyo Road, IbadanNigeria
| | | | - Peter J. Cotty
- USDA‐ARSTucsonAZ85721USA
- School of Food Science and EngineeringOcean University of ChinaQingdaoShandong266003China
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18
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Salazar‐Rivera GI, Dáttilo W, Castillo‐Campos G, Flores‐Estévez N, Ramírez García B, Ruelas Inzunza E. The frugivory network properties of a simplified ecosystem: Birds and plants in a Neotropical periurban park. Ecol Evol 2020; 10:8579-8591. [PMID: 32884642 PMCID: PMC7452784 DOI: 10.1002/ece3.6481] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/11/2020] [Accepted: 05/19/2020] [Indexed: 11/29/2022] Open
Abstract
Frugivory networks exhibit a set of properties characterized by a number of network theory-derived metrics. Their structures often form deterministic patterns that can be explained by the functional roles of interacting species. Although we know lots about how these networks are organized when ecosystems are in a complete, functional condition, we know much less about how incomplete and simplified networks (such as those found in urban and periurban parks) are organized, which features are maintained, which ones are not, and why. In this paper, we examine the properties of a network between frugivorous birds and plants in a small Neotropical periurban park. We found a frugivory network composed of 29 species of birds and 23 of plants. The main roles in this network are played by four species of generalist birds (three resident, one migratory: Myiozetetes similis, Turdus grayi, Chlorospingus flavopectus, and Dumetella carolinensis) and three species of plants (one exotic, two early successional: Phoenix canariensis, Phoradendron sp., and Witheringia stramoniifolia). When compared to reference data from other locations in the Neotropics, species richness is low, one important network-level metric is maintained (modularity) whereas another one is not (nestedness). Nestedness, a metric associated with network specialists, is a feature this network lacks. Species-level metrics such as degree, species strength, and module roles, are not maintained. Our work supports modularity as the most pervasive network-level metric of altered habitats. From a successional point of view, our results suggest that properties revealed by species-level indices may be developed at a later time, lagging the acquisition of structural elements.
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Affiliation(s)
| | - Wesley Dáttilo
- Red de EcoetologíaInstituto de Ecología A.C.XalapaMexico
| | | | - Norma Flores‐Estévez
- Instituto de Biotecnología y Ecología AplicadaUniversidad VeracruzanaXalapaMexico
| | - Brenda Ramírez García
- Instituto de Investigaciones en Ecosistemas y SustentabilidadUniversidad Nacional Autónoma de MéxicoMoreliaMexico
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19
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Gilbert‐Sandoval I, Wesseling S, Rietjens IMCM. Predicting the Acute Liver Toxicity of Aflatoxin B1 in Rats and Humans by an In Vitro-In Silico Testing Strategy. Mol Nutr Food Res 2020; 64:e2000063. [PMID: 32421213 PMCID: PMC7379280 DOI: 10.1002/mnfr.202000063] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 05/01/2020] [Indexed: 11/14/2022]
Abstract
SCOPE High-level exposure to aflatoxin B1 (AFB1) is known to cause acute liver damage and fatality in animals and humans. The intakes actually causing this acute toxicity have so far been estimated based on AFB1 levels in contaminated foods or biomarkers in serum. The aim of the present study is to predict the doses causing acute liver toxicity of AFB1 in rats and humans by an in vitro-in silico testing strategy. METHODS AND RESULTS Physiologically based kinetic (PBK) models for AFB1 in rats and humans are developed. The models are used to translate in vitro concentration-response curves for cytotoxicity in primary rat and human hepatocytes to in vivo dose-response curves using reverse dosimetry. From these data, the dose levels at which toxicity would be expected are obtained and compared to toxic dose levels from available rat and human case studies on AFB1 toxicity. The results show that the in vitro-in silico testing strategy can predict dose levels causing acute toxicity of AFB1 in rats and human. CONCLUSIONS Quantitative in vitro in vivo extrapolation (QIVIVE) using PBK modeling-based reverse dosimetry can predict AFB1 doses that cause acute liver toxicity in rats and human.
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Affiliation(s)
- Ixchel Gilbert‐Sandoval
- Division of ToxicologyWageningen University and ResearchStippeneng 4Wageningen6708 WEThe Netherlands
| | - Sebastiaan Wesseling
- Division of ToxicologyWageningen University and ResearchStippeneng 4Wageningen6708 WEThe Netherlands
| | - Ivonne M. C. M. Rietjens
- Division of ToxicologyWageningen University and ResearchStippeneng 4Wageningen6708 WEThe Netherlands
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Aguilar‐Veloz LM, Calderón‐Santoyo M, Vázquez González Y, Ragazzo‐Sánchez JA. Application of essential oils and polyphenols as natural antimicrobial agents in postharvest treatments: Advances and challenges. Food Sci Nutr 2020; 8:2555-2568. [PMID: 32566173 PMCID: PMC7300048 DOI: 10.1002/fsn3.1437] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/28/2019] [Accepted: 12/31/2019] [Indexed: 11/07/2022] Open
Abstract
The use of natural antimicrobial agents is an attractive ecological alternative to the synthetic fungicides applied to control pathogens during postharvest. In order to improve industrial production systems, postharvest research has evolved toward integration with science and technology aspects. Thus, the present review aims to draw attention to the achieved advances and challenges must be overcome, to promote application of essential oils and polyphenols as antimicrobial agents, against phytopathogens and foodborne microorganisms during postharvest. Besides that, it attempts to highlight the use of coating and encapsulation techniques as emerging methods that improve their effectiveness. The integral knowledge about the vegetable systems, molecular mechanisms of pathogens and mechanisms of these substances would ensure more efficient in vitro and in vivo experiences. Finally, the cost-benefit, toxicity, and ecotoxicity evaluation will be guaranteed the successful implementation and commercialization of these technologies, as a sustainable alternative to minimize production losses of vegetable commodities.
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Affiliation(s)
- Laura Maryoris Aguilar‐Veloz
- Laboratorio Integral de Investigación en AlimentosTecnológico Nacional de México ‐ Instituto Tecnológico de TepicTepicMéxico
| | - Montserrat Calderón‐Santoyo
- Laboratorio Integral de Investigación en AlimentosTecnológico Nacional de México ‐ Instituto Tecnológico de TepicTepicMéxico
| | - Yuliana Vázquez González
- Laboratorio Integral de Investigación en AlimentosTecnológico Nacional de México ‐ Instituto Tecnológico de TepicTepicMéxico
| | - Juan Arturo Ragazzo‐Sánchez
- Laboratorio Integral de Investigación en AlimentosTecnológico Nacional de México ‐ Instituto Tecnológico de TepicTepicMéxico
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Gaona O, Cerqueda‐García D, Moya A, Neri‐Barrios X, Falcón LI. Geographical separation and physiology drive differentiation of microbial communities of two discrete populations of the bat Leptonycteris yerbabuenae. Microbiologyopen 2020; 9:1113-1127. [PMID: 32181589 PMCID: PMC7294308 DOI: 10.1002/mbo3.1022] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 02/13/2020] [Accepted: 02/13/2020] [Indexed: 01/01/2023] Open
Abstract
In this paper, we explore how two discrete and geographically separated populations of the lesser long-nosed bat (Leptonycteris yerbabuenae)-one in central and the other in the Pacific region of Mexico-differ in their fecal microbiota composition. Considering the microbiota-host as a unity, in which extrinsic (as food availability and geography) or intrinsic factors (as physiology) play an important role in the microbiota composition, we would expect differentiation in the microbiota of two geographically separated populations. The Amplicon Sequences Variants (ASVs) of the V4 region of the 16s rRNA gene from 68 individuals were analyzed using alpha and beta diversity metrics. We obtained a total of 11 566 (ASVs). The bacterial communities in the Central and Pacific populations had a diversity of 6,939 and 4,088 ASVs, respectively, sharing a core microbiota of 539 ASVs accounting for 75% of the relative abundance, suggesting stability over evolutionary time. The Weighted UniFrac metrics tested by a PERMANOVA showed that lactating and pregnant females had significant beta diversity differences in the two populations compared with other reproductive stages. This could be a consequence of the increased energy requirements of these physiological stages, more than the variation due to geographical separation. In contrast, a positive correlation of the observed ASVs of fecal microbiota with the observed ASVs of plastids related to the diet was observed in the juveniles and adults, suggesting that in these physiological stages an extrinsic factor as the diet shapes the microbiota composition. The results provide a baseline for future studies of the microbiome in these two wild populations of the lesser long-nosed bat, the main pollinator of the Agaves from which the beverages tequila and mezcal are made.
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Affiliation(s)
- Osiris Gaona
- Posgrado en Ciencias Biológicas de la Universidad Nacional Autonóma de MéxicoInstituto de EcologíaUNAMMexico CityMexico
- Laboratorio de Ecología BacterianaInstituto de EcologíaUniversidad Nacional Autonóma de MéxicoUNAM Parque Científico y Tecnológico de YucatánMéridaMexico
| | - Daniel Cerqueda‐García
- Consorcio de Investigación del Golfo de México (CIGOM)Centro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalUnidad Mérida, Departamento de Recursos del MarMéridaMexico
| | - Andrés Moya
- Instituto de Biología Integrativa de SistemasUniversidad de Valencia y Consejo Superior de Investigaciones Científicas (CSIC)ValenciaEspana
| | - Ximena Neri‐Barrios
- Laboratorio de Ecología BacterianaInstituto de EcologíaUniversidad Nacional Autonóma de MéxicoUNAM Parque Científico y Tecnológico de YucatánMéridaMexico
| | - Luisa I. Falcón
- Laboratorio de Ecología BacterianaInstituto de EcologíaUniversidad Nacional Autonóma de MéxicoUNAM Parque Científico y Tecnológico de YucatánMéridaMexico
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Peñaloza‐Ramírez JM, Rodríguez‐Correa H, González‐Rodríguez A, Rocha‐Ramírez V, Oyama K. High genetic diversity and stable Pleistocene distributional ranges in the widespread Mexican red oak Quercus castanea Née (1801) (Fagaceae). Ecol Evol 2020; 10:4204-4219. [PMID: 32489590 PMCID: PMC7246204 DOI: 10.1002/ece3.6189] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 11/14/2019] [Accepted: 11/15/2019] [Indexed: 11/19/2022] Open
Abstract
The Mexican highlands are areas of high biological complexity where taxa of Nearctic and Neotropical origin and different population histories are found. To gain a more detailed view of the evolution of the biota in these regions, it is necessary to evaluate the effects of historical tectonic and climate events on species. Here, we analyzed the phylogeographic structure, historical demographic processes, and the contemporary period, Last Glacial Maximum (LGM) and Last Interglacial (LIG) ecological niche models of Quercus castanea, to infer the historical population dynamics of this oak distributed in the Mexican highlands. A total of 36 populations of Q. castanea were genotyped with seven chloroplast microsatellite loci in four recognized biogeographic provinces of Mexico: the Sierra Madre Occidental (western mountain range), the Central Plateau, the Trans-Mexican Volcanic Belt (TMVB, mountain range crossing central Mexico from west to east) and the Sierra Madre del Sur (SMS, southern mountain range). We obtained standard statistics of genetic diversity and structure and tested for signals of historical demographic expansions. A total of 90 haplotypes were identified, and 29 of these haplotypes were restricted to single populations. The within-population genetic diversity was high (mean h S = 0.72), and among-population genetic differentiation showed a strong phylogeographic structure (N ST = 0.630 > G ST = 0.266; p < .001). Signals of demographic expansion were identified in the TMVB and the SMS. The ecological niche models suggested a considerable percentage of stable distribution area for the species during the LGM and connectivity between the TMVB and the SMS. High genetic diversity, strong phylogeographic structure, and ecological niche models suggest in situ permanence of Q. castanea populations with large effective population sizes. The complex geological and climatic histories of the TMVB help to explain the origin and maintenance of a large proportion of the genetic diversity in this oak species.
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Affiliation(s)
- Juan Manuel Peñaloza‐Ramírez
- Escuela Nacional de Estudios Superiores (ENES) Unidad MoreliaUniversidad Nacional Autónoma de México (UNAM)MoreliaMéxico
| | - Hernando Rodríguez‐Correa
- Escuela Nacional de Estudios Superiores (ENES) Unidad MoreliaUniversidad Nacional Autónoma de México (UNAM)MoreliaMéxico
| | | | | | - Ken Oyama
- Escuela Nacional de Estudios Superiores (ENES) Unidad MoreliaUniversidad Nacional Autónoma de México (UNAM)MoreliaMéxico
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Carrillo-Galván G, Bye R, Eguiarte LE, Cristians S, Pérez-López P, Vergara-Silva F, Luna-Cavazos M. Domestication of aromatic medicinal plants in Mexico: Agastache (Lamiaceae)-an ethnobotanical, morpho-physiological, and phytochemical analysis. J Ethnobiol Ethnomed 2020; 16:22. [PMID: 32357896 PMCID: PMC7193375 DOI: 10.1186/s13002-020-00368-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/06/2020] [Indexed: 05/04/2023]
Abstract
BACKGROUND Most reports of domesticated plants that involve a domestication gradient or inter-specific hybridization in Mexico have focused on those used as food. This study provides knowledge about these processes in two aromatic medicinal plants, Agastache mexicana (Lamiaceae) and A. m. subsp. xolocotziana, widely used in Mexican traditional medicine for the treatment of gastrointestinal ailments and for their sedative effect. Different populations of A. mexicana along a gradient of domestication are found in the foothills of the Popocatepetl volcano of central Mexico, while in this same area the subsp. xolocotziana grows only in the cultivation, possibly a product of hybridization between A. mexicana and Agastache palmeri. This study links ethnobotanical, morpho-physiological, and phytochemical evidence to document the domestication of both taxa as well as elucidates the possible hybrid origin of the subsp. xolocotziana. METHOD We analyze three groups of data derived from (1) 80 semi-structured interviews aimed at documenting the selection criteria related to the use and management of A. mexicana; (2) a cultivation experiment under homogeneous conditions, evaluating 21 floral, vegetative, and seed characters (that were important according to ethnobotanical information) in 97 plants corresponding to 13 populations of the taxa under study; and (3) the chemical profiles of the essential oils of these plants by means of a thin-layer chromatography. RESULTS By linking the three types of evidence, two evolutionary processes are distinguished: (1) A. mexicana occurs in the encouraged-cultivated phases of the domestication gradient and (2) A. m. subsp. xolocotziana may have originated through inbreeding depression or hybridization. These two cultivated plants show a domestication syndrome based upon organoleptic differentiation due to their dissimilar phytochemical composition and gigantism in flowers, seeds, and rhizomes (the last enhancing their asexual reproductive capacity). In addition to this, A. mexicana exhibits more intense floral pigmentation and foliar gigantism while subsp. xolocotziana presents floral albinism and partial seed sterility. CONCLUSION Two divergent evolutionary processes are reported for the domestication of A. mexicana as a result of the intensification of its use and management. The selection processes of these plants have resulted in alternation of the organoleptic properties based upon the divergence of the phytochemical composition. Also, gigantism has been selected in culturally preferred plant parts and in correlated structures. The preceding characteristics reinforce the joint use of these plants in infusion in Mexican traditionalmedicine for the treatment of gastrointestinal diseases and for their sedative effects.
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Affiliation(s)
- Guadalupe Carrillo-Galván
- Posgrado en Ciencias Biológicas, Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México
| | - Robert Bye
- Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México.
| | - Luis E Eguiarte
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México
| | - Sol Cristians
- Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México
| | - Pablo Pérez-López
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México
| | - Francisco Vergara-Silva
- Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México
| | - Mario Luna-Cavazos
- Posgrado en Botánica, Colegio de Posgraduados, Campus Montecillo, Texcoco, Estado de México, México
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Gray SB, Rodriguez‐Medina J, Rusoff S, Toal TW, Kajala K, Runcie DE, Brady SM. Translational regulation contributes to the elevated CO 2 response in two Solanum species. Plant J 2020; 102:383-397. [PMID: 31797460 PMCID: PMC7216843 DOI: 10.1111/tpj.14632] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 11/17/2019] [Accepted: 11/20/2019] [Indexed: 05/12/2023]
Abstract
Understanding the impact of elevated CO2 (eCO2 ) in global agriculture is important given climate change projections. Breeding climate-resilient crops depends on genetic variation within naturally varying populations. The effect of genetic variation in response to eCO2 is poorly understood, especially in crop species. We describe the different ways in which Solanum lycopersicum and its wild relative S. pennellii respond to eCO2 , from cell anatomy, to the transcriptome, and metabolome. We further validate the importance of translational regulation as a potential mechanism for plants to adaptively respond to rising levels of atmospheric CO2 .
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Affiliation(s)
- Sharon B. Gray
- Department of Plant Biology and Genome CenterUniversity of California, Davis451 Health Sciences DriveDavisCA95616USA
| | - Joel Rodriguez‐Medina
- Department of Plant Biology and Genome CenterUniversity of California, Davis451 Health Sciences DriveDavisCA95616USA
| | - Samuel Rusoff
- Department of Plant Biology and Genome CenterUniversity of California, Davis451 Health Sciences DriveDavisCA95616USA
| | - Ted W. Toal
- Department of Plant Biology and Genome CenterUniversity of California, Davis451 Health Sciences DriveDavisCA95616USA
| | - Kaisa Kajala
- Department of Plant Biology and Genome CenterUniversity of California, Davis451 Health Sciences DriveDavisCA95616USA
- Present address:
Plant EcophysiologyUtrecht UniversityPadualaan 83584 CHUtrechtthe Netherlands
| | - Daniel E. Runcie
- Department of Plant SciencesUniversity of California, DavisOne Shields AvenueDavisCA95616USA
| | - Siobhan M. Brady
- Department of Plant Biology and Genome CenterUniversity of California, Davis451 Health Sciences DriveDavisCA95616USA
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Rocha L, Frías‐Soria CL, Ortiz JG, Auzmendi J, Lazarowski A. Is cannabidiol a drug acting on unconventional targets to control drug-resistant epilepsy? Epilepsia Open 2020; 5:36-49. [PMID: 32140642 PMCID: PMC7049809 DOI: 10.1002/epi4.12376] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 12/20/2019] [Accepted: 12/23/2019] [Indexed: 12/11/2022] Open
Abstract
Cannabis has been considered as a therapeutic strategy to control intractable epilepsy. Several cannabis components, especially cannabidiol (CBD), induce antiseizure effects. However, additional information is necessary to identify the types of epilepsies that can be controlled by these components and the mechanisms involved in these effects. This review presents a summary of the discussion carried out during the 2nd Latin American Workshop on Neurobiology of Epilepsy entitled "Cannabinoid and epilepsy: myths and realities." This event was carried out during the 10th Latin American Epilepsy Congress in San José de Costa Rica (September 28, 2018). The review focuses to discuss the use of CBD as a new therapeutic strategy to control drug-resistant epilepsy. It also indicates the necessity to consider the evaluation of unconventional targets such as P-glycoprotein, to explain the effects of CBD in drug-resistant epilepsy.
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Affiliation(s)
- Luisa Rocha
- Departamento de FarmacobiologíaCentro de Investigación y de Estudios AvanzadosMéxico CityMéxico
| | | | - José G. Ortiz
- Department of Pharmacology and ToxicologySchool of MedicineUniversity of Puerto RicoSan JuanPuerto Rico
| | - Jerónimo Auzmendi
- Departamento de Bioquímica ClínicaFacultad de Farmacia y BioquímicaInstituto de Investigaciones en Fisiopatología y Bioquímica Clínica (INFIBIOC)Universidad de Buenos AiresBuenos AiresArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Buenos AiresArgentina
| | - Alberto Lazarowski
- Departamento de Bioquímica ClínicaFacultad de Farmacia y BioquímicaInstituto de Investigaciones en Fisiopatología y Bioquímica Clínica (INFIBIOC)Universidad de Buenos AiresBuenos AiresArgentina
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Sánchez‐Higueredo LE, Ramos‐Leal JA, Morán‐Ramírez J, Moreno‐Casasola Barceló P, Rodríguez‐Robles U, Hernández Alarcón ME. Ecohydrogeochemical functioning of coastal freshwater herbaceous wetlands in the Protected Natural Area, Ciénaga del Fuerte (American tropics): Spatiotemporal behaviour. Ecohydrology 2020; 13:e2173. [PMID: 32313604 PMCID: PMC7163596 DOI: 10.1002/eco.2173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 11/09/2019] [Accepted: 11/19/2019] [Indexed: 06/11/2023]
Abstract
Coastal zones are characterized by the interactions between continents and oceans and, therefore, between fresh and salt surface and groundwater. The wetlands of coastal zones represent transitional ecosystems that are affected by these conditions, although little is known about the hydrogeochemistry of wetlands, especially coastal wetlands. In the present study, the hydrogeochemical characterization of coastal freshwater herbaceous wetlands in the Ciénaga del Fuerte Protected Natural Area in Veracruz, Mexico, in the American tropics was carried out per plant community. Four herbaceous wetlands (alligator flag, saw grass, cattail, and floodplain pasture) were monitored to understand the origin of the water feeding these ecosystems, the hydrogeochemical composition of groundwater, and the relationship between the groundwater and ecology of these ecosystems during dry and rainy seasons. The results indicate that Ciénaga del Fuerte is located in a regional discharge area and receives local recharge, so it is fed by both regional and local flows. The chemical composition varied temporally and spatially, creating unique conditions that determined the habitat occupied by the hydrophytic vegetation. The spatiotemporal behaviour of groundwater is one factor that, along with the hydroperiod, determines wetland dynamics and affects wetland biota (ecohydrogeochemistry). Generalist plant communities established in zones of local recharge, whereas other more specialized and/or plastic communities inhabited zones receiving regional flows with greater ion concentrations. This information forms the basis for establishing an appropriate scale (municipal, state, or larger regions) for the sustainable management of goods and services provided by the wetlands.
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Affiliation(s)
| | - José Alfredo Ramos‐Leal
- División de Geociencias AplicadasInstituto Potosino de Investigación Científica y Tecnológica (IPICYT)San Luis PotosíMéxico
| | - Janete Morán‐Ramírez
- Catedras Conacyt‐Instituto de GeofísicaUniversidad Nacional Autónoma de México (UNAM)CoyoacánMéxico
| | | | - Ulises Rodríguez‐Robles
- Departamento de Ecología y Recursos NaturalesCentro Universitario de la Costa Sur, Universidad de GuadalajaraAutlán de NavarroJaliscoMéxico
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Ancona S, Liker A, Carmona‐Isunza MC, Székely T. Sex differences in age-to-maturation relate to sexual selection and adult sex ratios in birds. Evol Lett 2020; 4:44-53. [PMID: 32055410 PMCID: PMC7006465 DOI: 10.1002/evl3.156] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 12/06/2019] [Accepted: 12/11/2019] [Indexed: 11/26/2022] Open
Abstract
Maturation (the age when organisms are physiologically capable of breeding) is one of the major life history traits that have pervasive implications for reproductive strategies, fitness, and population growth. Sex differences in maturation are common in nature, although the causes of such differences are not understood. Fisher and Lack proposed that delayed maturation in males is expected when males are under intense sexual selection, but their proposition has never been tested across a wide range of taxa. By using phylogenetic comparative analyses and the most comprehensive dataset to date, including 201 species from 59 avian families, we show that intense sexual selection on males (as indicated by polygamous mating and male-skewed sexual size dimorphism) correlates with delayed maturation. We also show that the adult sex ratio (ASR), an indicator of the social environment, is associated with sex-specific maturation because in species with a female-skewed ASR, males experience later maturation. Phylogenetic path analyses suggest that adult sex ratio drives interspecific changes in the intensity of sexual selection which, in turn, influences maturation. These results are robust to alternative phylogenetic hypotheses and to potential life-history confounds, and they provide the first comprehensive support of Fisher's and Lack's propositions. Importantly, our work suggests that both social environment and mate competition influence the evolution of a major life history trait, maturation.
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Affiliation(s)
- Sergio Ancona
- Departamento de Ecología Evolutiva, Instituto de EcologíaUniversidad Nacional Autónoma de MéxicoCiudad de México04510México
| | - András Liker
- MTA‐PE Evolutionary Ecology Research GroupUniversity of PannoniaPO Box 158Veszprém8201Hungary
- Department of LimnologyUniversity of PannoniaPO Box 158Veszprém8201Hungary
| | - M. Cristina Carmona‐Isunza
- Departamento de Ecología Evolutiva, Instituto de EcologíaUniversidad Nacional Autónoma de MéxicoCiudad de México04510México
| | - Tamás Székely
- Milner Centre for Evolution, Department of Biology & BiochemistryUniversity of BathBathBA2 7AYUK
- Department of Evolutionary Zoology and Human BiologyUniversity of DebrecenH‐4010DebrecenEgyetem tér 1Hungary
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Falcón‐Brindis A, Jiménez Jiménez ML, Rodríguez‐Estrella R. Islands in the desert for cavity-nesting bees and wasps: Ecology, patterns of diversity, and conservation at oases of Baja California Peninsula. Ecol Evol 2020; 10:527-542. [PMID: 31993124 PMCID: PMC6972840 DOI: 10.1002/ece3.5927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 10/25/2019] [Accepted: 11/20/2019] [Indexed: 12/02/2022] Open
Abstract
AIMS The oases of Baja California Peninsula (BCP) have been proposed as important hotspots of biodiversity that hold an exceptional richness in the middle of desert conditions. We tested the effect of habitat and anthropogenic disturbance on communities of cavity-nesting taxa, with specific emphasis on bees, wasps, and their natural enemies. METHODS In oases of BCP and desert neighbor environments, trap-nesting taxa were evaluated in response to factors affecting the nest abundance, richness, and community structure. We used statistical models to find correlates of nest abundance and patterns of diversity, as well as ecological analyses to determine the effect of habitat and human disturbance on species diversity and community structure. RESULTS Solar irradiation, distance to a perennial waterbody and relative humidity influenced the presence of nests, number of brood cells, and parasitism. In general, abundance, species richness, and parasitism were higher in oases, especially in those with less human disturbance. Bees did not discriminate between oases and deserts to nest, whereas mud-daubing wasps were more dependent of oases. The degree of anthropogenic disturbance did not affect the occurrence of parasitism, but it had an adverse effect on the parasitism intensity (number of attacked cells). The community structure was more complex and even in oases and low-disturbed sites. The similarity between sites did not exceed 30%, and the proportion of shared species between oases and deserts varied from 2.7% to 26.6%. MAIN CONCLUSIONS The oases of Baja California are functioning as mesic islands in the desert, each oasis hosting a unique community of cavity-nesting taxa. About 65% of the nests and 50% of species occurred exclusively in the oasis. Thus, cavity-nesting species that depend on mesic conditions could be threatened if the oases of BCP disappear in the future. Local conditions in the oases and deserts of the BCP are shaping the community structure. However, large-scale factors such as climate can influence the seasonality and occurrence of species within the community of cavity-nesting dwellers. Since habitat loss and fragmentation can degrade the oases' functionality, strategies to maintain the ecosystem services of pollination and biological control should be included in the conservation programs of these fragile habitats.
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Affiliation(s)
- Armando Falcón‐Brindis
- Conservation and Environmental Planning ProgramCentro de Investigaciones Biológicas del Noroeste (CIBNOR)La PazMéxico
| | - María Luisa Jiménez Jiménez
- Conservation and Environmental Planning ProgramCentro de Investigaciones Biológicas del Noroeste (CIBNOR)La PazMéxico
| | - Ricardo Rodríguez‐Estrella
- Conservation and Environmental Planning ProgramCentro de Investigaciones Biológicas del Noroeste (CIBNOR)La PazMéxico
- School of Natural Resources and the EnvironmentUniversity of ArizonaTucsonArizona
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Adeniran AA, Fernández‐Santos NA, Rodríguez‐Rojas JJ, Treviño‐Garza N, Huerta‐Jiménez H, Mis‐Ávila PC, Pérez‐Pech WA, Hernández‐Triana LM, Rodríguez‐Pérez MA. Identification of phlebotomine sand flies (Diptera: Psychodidae) from leishmaniasis endemic areas in southeastern Mexico using DNA barcoding. Ecol Evol 2019; 9:13543-13554. [PMID: 31871665 PMCID: PMC6912917 DOI: 10.1002/ece3.5811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/05/2019] [Accepted: 10/10/2019] [Indexed: 11/13/2022] Open
Abstract
Leishmaniasis, a vector-borne disease transmitted to humans through the bite of phlebotomine sand flies, is of public health significance in southeastern Mexico. Active and continuous monitoring of vectors is an important aspect of disease control for the prediction of potential outbreaks. Thus, the correct identification of vectors is paramount in this regard. In this study, we employed DNA barcoding as a tool for identifying phlebotomine sand flies collected in localized cutaneous leishmaniasis endemic areas of Quintana Roo, Mexico. Specimens were collected using CDC light and Shannon traps as part of the Mexican Ministry of Health surveillance program. DNA extraction was carried out using a nondestructive protocol, and morphological identification based on taxonomic keys was conducted on slide-mounted specimens. Molecular taxonomic resolution using the 658-bp fragment of the mitochondrial cytochrome c oxidase subunit 1 (cox1) gene was 100% congruent with the morphological identification. Seven species were identified: Lutzomyia cruciata (Coquillett 1907), Lutzomyia longipalpis (Lutz & Neiva 1912), Psathyromyia shannoni (Dyar 1929), Dampfomyia deleoni (Fairchild & Hertig 1947), Dampfomyia beltrani/steatopyga (Vargas & Díaz-Nájera 1951), Bichromomyia olmeca olmeca (Vargas & Díaz-Nájera, 1959), and Brumptomyia mesai (Sherlock 1962). Mean intraspecific divergence ranged from 0.12% to 1.22%, while interspecific distances ranged from 11.59% to 19.29%. Neighbor-joining (NJ) analysis using the Kimura 2-parameter model also showed specimens of the same species to be clustered together. The study provides the first cox1 sequences for three species of sand flies and indicates the utility of DNA barcoding for phlebotomine sand flies species identification in southeastern Mexico.
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Affiliation(s)
- Adebiyi A. Adeniran
- Laboratorio de Biomedicina MolecularCentro de Biotecnología GenómicaInstituto Politécnico NacionalReynosaMéxico
| | - Nadia A. Fernández‐Santos
- Laboratorio de Biomedicina MolecularCentro de Biotecnología GenómicaInstituto Politécnico NacionalReynosaMéxico
| | - Jorge J. Rodríguez‐Rojas
- Centro de Investigación y Desarrollo en Ciencias de la SaludUnidad de Patógenos Emergentes, Re-emergentes y VectoresUniversidad Autónoma de Nuevo LeónNuevo LeónMéxico
| | - Nancy Treviño‐Garza
- Centro Nacional de Programas Preventivos y Control de EnfermedadesSecretaria de SaludMexico CityMéxico
| | - Heron Huerta‐Jiménez
- Laboratorio de Entomología e InsectarioInstituto Nacional de Diagnóstico y Referencia EpidemiológicosSecretaria de SaludMexico CityMéxico
| | - Pedro C. Mis‐Ávila
- Servicios de Salud del Estado de Quintana RooSecretaria de SaludChetumalMéxico
| | | | | | - Mario A. Rodríguez‐Pérez
- Laboratorio de Biomedicina MolecularCentro de Biotecnología GenómicaInstituto Politécnico NacionalReynosaMéxico
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Zamora‐Gutierrez V, Amano T, Jones KE. Spatial and taxonomic biases in bat records: Drivers and conservation implications in a megadiverse country. Ecol Evol 2019; 9:14130-14141. [PMID: 31938508 PMCID: PMC6953659 DOI: 10.1002/ece3.5848] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 09/27/2019] [Accepted: 10/25/2019] [Indexed: 11/12/2022] Open
Abstract
Biases in data availability have serious consequences on scientific inferences that can be derived. The potential consequences of these biases could be more detrimental in the less-studied megadiverse regions, often characterized by high biodiversity and serious risks of human threats, as conservation and management actions could be misdirected. Here, focusing on 134 bat species in Mexico, we analyze spatial and taxonomic biases and their drivers in occurrence data; and identify priority areas for further data collection which are currently under-sampled or at future environmental risk. We collated a comprehensive database of 26,192 presence-only bat records in Mexico to characterize taxonomic and spatial biases and relate them to species' characteristics (range size and foraging behavior). Next, we examined variables related to accessibility, species richness and security to explain the spatial patterns in occurrence records. Finally, we compared the spatial distributions of existing data and future threats to these species to highlight those regions that are likely to experience an increased level of threats but are currently under-surveyed. We found taxonomic biases, where species with wider geographical ranges and narrow-space foragers (species easily captured with traditional methods), had more occurrence data. There was a significant oversampling toward tropical regions, and the presence and number of records was positively associated with areas of high topographic heterogeneity, road density, urban, and protected areas, and negatively associated with areas which were predicted to have future increases in temperature and precipitation. Sampling efforts for Mexican bats appear to have focused disproportionately on easily captured species, tropical regions, areas of high species richness and security; leading to under-sampling in areas of high future threats. These biases could substantially influence the assessment of current status of, and future anthropogenic impacts on, this diverse species group in a tropical megadiverse country.
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Affiliation(s)
- Veronica Zamora‐Gutierrez
- CONACYT – Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional (CIIDIR) Unidad DurangoInstituto Politécnico NacionalDurangoMexico
- Conservation Science GroupDepartment of ZoologyUniversity of CambridgeCambridgeUK
- Department of Genetics, Evolution and EnvironmentCentre for Biodiversity and Environment ResearchUniversity College LondonLondonUK
| | - Tatsuya Amano
- Conservation Science GroupDepartment of ZoologyUniversity of CambridgeCambridgeUK
- Centre for the Study of Existential RiskUniversity of CambridgeCambridgeUK
- School of Biological SciencesUniversity of QueenslandBrisbaneQldAustralia
| | - Kate E. Jones
- Department of Genetics, Evolution and EnvironmentCentre for Biodiversity and Environment ResearchUniversity College LondonLondonUK
- Institute of ZoologyZoological Society of LondonLondonUK
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Rubio‐Beltrán E, Labastida‐Ramírez A, Haanes KA, van den Bogaerdt A, Bogers AJ, Zanelli E, Meeus L, Danser AJ, Gralinski MR, Senese PB, Johnson KW, Kovalchin J, Villalón CM, MaassenVanDenBrink A. Characterization of binding, functional activity, and contractile responses of the selective 5-HT 1F receptor agonist lasmiditan. Br J Pharmacol 2019; 176:4681-4695. [PMID: 31418454 PMCID: PMC6965684 DOI: 10.1111/bph.14832] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 07/30/2019] [Accepted: 08/02/2019] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND AND PURPOSE Triptans are 5-HT1B/1D receptor agonists (that also display 5-HT1F receptor affinity) with antimigraine action, contraindicated in patients with coronary artery disease due to their vasoconstrictor properties. Conversely, lasmiditan was developed as an antimigraine 5-HT1F receptor agonist. To assess the selectivity and cardiovascular effects of lasmiditan, we investigated the binding, functional activity, and in vitro/in vivo vascular effects of lasmiditan and compared it to sumatriptan. EXPERIMENTAL APPROACH Binding and second messenger activity assays of lasmiditan and other serotoninergic agonists were performed for human 5-HT1A , 5-HT1B , 5-HT1D , 5-ht1E , 5-HT1F , 5-HT2A , 5-HT2B , and 5-HT7 receptors, and the results were correlated with their potency to constrict isolated human coronary arteries (HCAs). Furthermore, concentration-response curves to lasmiditan and sumatriptan were performed in proximal and distal HCA, internal mammary, and middle meningeal arteries. Finally, anaesthetized female beagle dogs received i.v. infusions of lasmiditan or sumatriptan in escalating cumulative doses, and carotid and coronary artery diameters were measured. KEY RESULTS Lasmiditan showed high selectivity for 5-HT1F receptors. Moreover, the functional potency of the analysed compounds to inhibit cAMP increase through 5-HT1B receptor activation positively correlated with their potency to contract HCA. In isolated human arteries, sumatriptan, but not lasmiditan, induced contractions. Likewise, in vivo, sumatriptan decreased coronary and carotid artery diameters at clinically relevant doses, while lasmiditan was devoid of vasoconstrictor activity at all doses tested. CONCLUSIONS AND IMPLICATIONS Lasmiditan is a selective 5-HT1F receptor agonist devoid of vasoconstrictor activity. This may represent a cardiovascular safety advantage when compared to the triptans.
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Affiliation(s)
- Eloísa Rubio‐Beltrán
- Division of Pharmacology, Department of Internal MedicineErasmus University Medical CentreRotterdamThe Netherlands
| | - Alejandro Labastida‐Ramírez
- Division of Pharmacology, Department of Internal MedicineErasmus University Medical CentreRotterdamThe Netherlands
| | - Kristian A. Haanes
- Division of Pharmacology, Department of Internal MedicineErasmus University Medical CentreRotterdamThe Netherlands
| | - Antoon van den Bogaerdt
- Department of Cardiothoracic SurgeryErasmus University Medical CentreRotterdamThe Netherlands
| | - Ad J.J.C. Bogers
- Department of Cardiothoracic SurgeryErasmus University Medical CentreRotterdamThe Netherlands
| | - Eric Zanelli
- Research and DevelopmentDéclion Pharmaceuticals, Inc.MarbleheadMassachusetts
| | - Laurent Meeus
- Euroscreen Fast Services UnitEpics Therapeutics SAGosseliesBelgium
| | - A.H. Jan Danser
- Division of Pharmacology, Department of Internal MedicineErasmus University Medical CentreRotterdamThe Netherlands
| | | | | | - Kirk W. Johnson
- Lilly Corporate CenterEli Lilly and CompanyIndianapolisIndiana
| | - Joseph Kovalchin
- Research and DevelopmentCoLucid Pharmaceuticals, Inc.CambridgeMassachusetts
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Ramírez‐Barrera SM, Velasco JA, Orozco‐Téllez TM, Vázquez‐López AM, Hernández‐Baños BE. What drives genetic and phenotypic divergence in the Red-crowned Ant tanager ( Habia rubica, Aves: Cardinalidae), a polytypic species? Ecol Evol 2019; 9:12339-12352. [PMID: 31832165 PMCID: PMC6854386 DOI: 10.1002/ece3.5742] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 08/07/2019] [Accepted: 09/15/2019] [Indexed: 01/28/2023] Open
Abstract
AIM The effects of geographic and environmental variables on patterns of genetic and phenotypic differentiation have been thoroughly studied. Ecological speciation involves reproductive isolation due to divergent natural selection that can result in a positive correlation between genetic divergence and adaptive phenotypic divergence (isolation by adaptation, IBA). If the phenotypic target of selection is unknown or not easily measured, environmental variation can be used as a proxy, expecting positive correlation between genetic and environmental distances, independent of geographic distances (isolation by environment, IBE). The null model is that the amount of gene flow between populations decreases as the geographic distance between them increases, and genetic divergence is due simply to the neutral effects of genetic drift (isolation by distance, IBD). However, since phenotypic differentiation in natural populations may be autocorrelated with geographic distance, it is often difficult to distinguish IBA from the neutral expectation of IBD. In this work, we test hypotheses of IBA, IBE, and IBD in the Red-crowned Ant tanager (Habia rubica). LOCATION Mesoamerica (Mexico-Central America) and South America. TAXON Habia rubica (Aves: Cardinalidae). METHODS We compiled genetic data, coloration, and morphometric data from specimens from collections in Mexico and the United States. We used the Multiple Matrix Regression with Randomization (MMRR) approach to evaluate the influence of geographic and environmental distances on genetic and phenotypic differentiation of H. rubica at both phylogroup and population levels. RESULTS Our results provide strong evidence that geographic distance is the main driver of genetic variation in H. rubica. We did not find evidence that climate variation is driving population differentiation in this species across a widespread geographic region. MAIN CONCLUSIONS Our data point to geographic isolation as the main factor structuring genetic variation within populations of H. rubica and suggest that climate is not playing a major role in genetic differentiation within this species.
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Affiliation(s)
- Sandra M. Ramírez‐Barrera
- Posgrado en Ciencias BiológicasUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMexico
- Departamento de Biología EvolutivaFacultad de CienciasMuseo de ZoologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMexico
| | - Julián A. Velasco
- Centro de Ciencias de la AtmósferaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMexico
| | - Tania M. Orozco‐Téllez
- Departamento de Biología EvolutivaFacultad de CienciasMuseo de ZoologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMexico
| | - Alma M. Vázquez‐López
- Posgrado en Ciencias BiológicasUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMexico
- Departamento de Biología EvolutivaFacultad de CienciasMuseo de ZoologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMexico
| | - Blanca E. Hernández‐Baños
- Departamento de Biología EvolutivaFacultad de CienciasMuseo de ZoologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMexico
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Cervantes‐Reyes A, Rominger F, Rudolph M, Hashmi ASK. Gold(I) Complexes Stabilized by Nine- and Ten-Membered N-Heterocyclic Carbene Ligands. Chemistry 2019; 25:11745-11757. [PMID: 31310385 PMCID: PMC6852534 DOI: 10.1002/chem.201902458] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Indexed: 02/02/2023]
Abstract
Nine- and ten-membered N-heterocyclic carbene (NHC) ligands have been developed and for the first time their gold(I) complexes were synthesized. The protonated NHC pro-ligands 2 a-h were prepared by the reaction of readily available N,N'-diarylformamidines with bis-electrophilic building blocks, followed by anion exchange. In situ deprotonation of the tetrafluoroborates 2 a-h with tBuOK in the presence of AuCl(SMe2 ) provided fast access to NHC-gold(I) complexes 3-10. These new NHC-gold(I) complexes show very good catalytic activity in a cycloisomerization reaction (0.1 mol % catalyst loading, up to 100 % conversion) and their solid-state structures reveal high steric hindrance around the metal atom (%Vbur up to 53.0) which is caused by their expanded-ring architecture.
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Affiliation(s)
| | - Frank Rominger
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Matthias Rudolph
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia
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Bello‐Chavolla OY, Antonio‐Villa NE, Vargas‐Vázquez A, Martagón AJ, Mehta R, Arellano‐Campos O, Gómez‐Velasco DV, Almeda‐Valdés P, Cruz‐Bautista I, Melgarejo‐Hernandez MA, Muñoz‐Hernandez L, Guillén LE, Garduño‐García JDJ, Alvirde U, Ono‐Yoshikawa Y, Choza‐Romero R, Sauque‐Reyna L, Garay‐Sevilla ME, Malacara‐Hernandez JM, Tusié‐Luna MT, Gutierrez‐Robledo LM, Gómez‐Pérez FJ, Rojas R, Aguilar‐Salinas CA. Prediction of incident hypertension and arterial stiffness using the non-insulin-based metabolic score for insulin resistance (METS-IR) index. J Clin Hypertens (Greenwich) 2019; 21:1063-1070. [PMID: 31318156 PMCID: PMC8030285 DOI: 10.1111/jch.13614] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/09/2019] [Accepted: 04/26/2019] [Indexed: 07/21/2023]
Abstract
Hypertension is associated with insulin resistance (IR), metabolic syndrome (MS), and arterial stiffness. Non-insulin-based IR indexes were developed as tools for metabolic screening. Here, we aimed to evaluate the novel non-insulin-based Metabolic Score for IR (METS-IR) index for the prediction of incident hypertension and arterial stiffness evaluated using pulse wave velocity (PWV) analysis, compared with other non-insulin-based IR indexes. We evaluated two populations, a cross-sectional evaluation of high-risk individuals (n = 305) with a wide range of metabolic comorbidities and dyslipidemia in whom PWV measurement was performed and a 3-year prospective cohort of normotensive individuals (N = 6850). We observed a positive correlation between METS-IR and PWV in the cross-sectional cohort, which was higher compared with other non-insulin-based fasting IR indexes; furthermore, PWV values >75th percentile were associated with the upper tercile of METS-IR values. In the prospective cohort, we observed an increased risk for incident hypertension for the upper METS-IR tercile (METS-IR ≥ 46.42; HR: 1.81, 95% CI: 1.41-2.34), adjusted for known cardiovascular risk factors, and observed that METS-IR had greater increases in the predictive capacity for hypertension along with SBP and the Framingham Hypertension Risk Prediction Model compared with other non-insulin-based IR indexes. Therefore, METS-IR is a novel non-insulin-based IR index which correlates with arterial stiffness and is a predictor of incident hypertension, complementary to previously validated risk prediction models.
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Affiliation(s)
- Omar Yaxmehen Bello‐Chavolla
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
- MD/PhD (PECEM) Program, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoMexico CityMexico
| | - Neftali E. Antonio‐Villa
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
- MD/PhD (PECEM) Program, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoMexico CityMexico
| | - Arsenio Vargas‐Vázquez
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
- MD/PhD (PECEM) Program, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoMexico CityMexico
| | - Alexandro J. Martagón
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
- Tecnológico de MonterreyEscuela de Medicina y Ciencias de la SaludMexico CityMexico
| | - Roopa Mehta
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
- Departamento de Endocrinología y Metabolismo del Instituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Olimpia Arellano‐Campos
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Donaji V. Gómez‐Velasco
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Paloma Almeda‐Valdés
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
- Departamento de Endocrinología y Metabolismo del Instituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Ivette Cruz‐Bautista
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Marco A. Melgarejo‐Hernandez
- Departamento de Endocrinología y Metabolismo del Instituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Liliana Muñoz‐Hernandez
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Luz E. Guillén
- Departamento de Endocrinología y Metabolismo del Instituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | | | - Ulices Alvirde
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | | | | | | | | | | | - María T. Tusié‐Luna
- Unidad de Biología Molecular y Medicina GenómicaInstituto de Investigaciones BiomédicasMexico CityMexico
| | | | - Francisco J. Gómez‐Pérez
- Departamento de Endocrinología y Metabolismo del Instituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
| | - Rosalba Rojas
- Instituto Nacional de Salud PúblicaCuernavaca, MorelosMexico
| | - Carlos A. Aguilar‐Salinas
- Unidad de Investigación de Enfermedades MetabólicasInstituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
- Departamento de Endocrinología y Metabolismo del Instituto Nacional de Ciencias Médicas y Nutrición Salvador ZubiránTlalpanMexico
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Ortega C, Cañas‐Lopez L, Irgang R, Fajardo R, Poblete‐Morales M, Valladares-Carranza B, Tapia‐Cammas D, Avendaño‐Herrera R. First detection of spring viraemia of carp virus in common carp (Cyprinus carpio L.) affected by a septicaemic disease in Mexico. J Fish Dis 2019; 42:667-675. [PMID: 30874321 PMCID: PMC7166541 DOI: 10.1111/jfd.12969] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 01/03/2019] [Accepted: 01/03/2019] [Indexed: 06/09/2023]
Abstract
Spring viraemia of carp (SVC) is an infectious disease responsible for severe economic losses for various cyprinid species, particularly common carp (Cyprinus carpio carpio). The causative agent is the SVC virus (SVCV), a member of the Sprivivirus genus, Rhabdoviridae family, and a List 1 pathogen notifiable by the World Organization for Animal Health. This study describes the diagnosis of an SVCV pathogen isolated in October 2015 from wild common carp inhabiting a natural lagoon in central Mexico. While neither an epidemic nor fish mortalities were reported, the collected killed specimens exhibited clinical signs of disease (e.g., exopthalmia, moderate abdominal distension and haemorrhaging, as well as internal haemorrhages and adhesions). Histological results of injuries were consistent with the pathology caused by SVCV. This finding was supported by the isolation of a virus in EPC and BF-2 cells and subsequent RT-PCR confirmation of SVCV. The phylogenetic analyses of partial SVCV glycoprotein gene sequences classified the isolates into the Ia genogroup. These findings make this the first report of SVCV detection in Mexico, extending the southern geographical range of SVCV within North America. However, since this pathogen was detected in fish inhabiting a natural body of water without tributaries or effluents, it is difficult to estimate the risk of SVCV for other wild/feral cohabitating cyprinid species in the lagoon. The status of this virus is also unknown for other bodies of water within this region.
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Affiliation(s)
- Cesar Ortega
- Centro de Investigación y Estudios Avanzados en Salud Animal (CIESA), Facultad de Medicina Veterinaria y ZootecniaUniversidad Autónoma del Estado de MéxicoTolucaMéxico
| | - Leticia Cañas‐Lopez
- Centro de Investigación y Estudios Avanzados en Salud Animal (CIESA), Facultad de Medicina Veterinaria y ZootecniaUniversidad Autónoma del Estado de MéxicoTolucaMéxico
| | - Rute Irgang
- Universidad Andrés BelloLaboratorio de Patología de Organismos Acuáticos y Biotecnología Acuícola, Facultad de Cienciasde la VidaViña del MarChile
- Centro FONDAPInterdisciplinary Center for Aquaculture Research (INCAR)Viña del MarChile
| | - Raúl Fajardo
- Centro de Investigación y Estudios Avanzados en Salud Animal (CIESA), Facultad de Medicina Veterinaria y ZootecniaUniversidad Autónoma del Estado de MéxicoTolucaMéxico
| | - Matías Poblete‐Morales
- Universidad Andrés BelloLaboratorio de Patología de Organismos Acuáticos y Biotecnología Acuícola, Facultad de Cienciasde la VidaViña del MarChile
- Centro FONDAPInterdisciplinary Center for Aquaculture Research (INCAR)Viña del MarChile
| | - Benjamin Valladares-Carranza
- Centro de Investigación y Estudios Avanzados en Salud Animal (CIESA), Facultad de Medicina Veterinaria y ZootecniaUniversidad Autónoma del Estado de MéxicoTolucaMéxico
| | - Diana Tapia‐Cammas
- Universidad Andrés BelloLaboratorio de Patología de Organismos Acuáticos y Biotecnología Acuícola, Facultad de Cienciasde la VidaViña del MarChile
- Centro FONDAPInterdisciplinary Center for Aquaculture Research (INCAR)Viña del MarChile
| | - Ruben Avendaño‐Herrera
- Universidad Andrés BelloLaboratorio de Patología de Organismos Acuáticos y Biotecnología Acuícola, Facultad de Cienciasde la VidaViña del MarChile
- Centro FONDAPInterdisciplinary Center for Aquaculture Research (INCAR)Viña del MarChile
- Centro de Investigación Marina Quintay (CIMARQ)Universidad Andrés BelloQuintayChile
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