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Effects of Chemical Products on Fire Blight Suppression,and Fruit Production and Quality in Apple(Malus domestica Borkh.)*** Glory

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Phyton-International Journal of Experimental Botany 2022年第7期91卷 1341-1351页

作者： Álvaro Rodríguez-Peña Ana C.Gonzalez-Franco Jared Hernández-Huerta nora a.salas-salazar Dámaris L.Ojeda-Barrios Esteban Sánchez Loreto Robles-Hernández Facultad de Ciencias Agrotecnológicas Universidad Autónoma de ChihuahuaPascual OrozcoChihuahua31350México Centro de Investigación y Desarrollo A.C. DeliciasChihuahua33089México

Antibiotics are widely used in fire blight management programs,yet there are no studies that demonstrate the evaluation of their efficacy in ***,the present study was conducted to investigate the effects of the active ingredients in five commercial products(Kasumin■2L,Agrygent Plus■,Agricultural Terramycin■,Agrimicin100,and Actigard■)on fire blight suppression,and fruit yield and quality of apple(Malus domestica Borkh.)*** *** experiment was conducted in a commercial orchard using a completely randomized block design,with six treatments:(1)Oxytetracycline[Ox],110 mg L^(−1);(2)Kasugamycin[Kas],4.7 mL L^(−1);(3)Oxytetracycline+Gentamicin[Ox+Gen],48 mg L^(−1)+12 mg L^(−1);(4)Streptomycin+Oxytetracycline[Str+Ox],90 mg L^(−1)+9 mg L^(−1);(5)Acibenzolar-S-methyl[ASM],70 mg L^(−1);and(6)Control,only water,with four replications,and three 11-year-old trees as an experimental *** of infection including flowers,shoots and fruits,yield and fruit quality were *** treatments suppressed infection in flowers,shoots,and *** provided the highest levels of reduction of flower and shoot infection,while Kas had the least effect on the reduction of infection in these *** Ox+Gen treatment had the greatest suppression of fruit infection,and the best results on fruit yield and quality,followed by Ox and *** is the first study conducted to evaluate the efficacy of the active ingredients of five commercial products used for the management of fire blight in apple trees in Mexico.

关键词： Erwinia amylovora oxytetracycline gentamicin kasugamycin streptomycin Acibenzolar-S-methyl

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Effect of protease supplementation on apparent ileal crude protein and amino acid digestibility of over-processed soybean meals in broilers

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Journal of Animal Science and Biotechnology 2022年第6期13卷 1810-1817页

作者： Sergio salazar-Villanea Maikol Astúa-Ureña Allison Masís-Montoya Juan I.Herrera-Muñoz Catalina.salas-Durán Escuela de Zootecnia Universidad de Costa RicaSan JoséCosta Rica Centro de Investigación en Nutrición Animal Universidad de Costa RicaSan JoséCosta Rica

Background: Nutritional value of proteins in feed ingredients can be negatively affected by hydrothermal processing, which causes large variation in the bioavailability of amino acids(AA) and negatively affects animal productive performance. Supplementation of exogenous proteases could increase the rate of digestion of damaged proteins, thereby increasing overall AA digestibility and bioavailability. The aim was to determine the effect of exogenous protease supplementation on the apparent ileal digestibility(AID) of crude protein(CP) and AA of soybean meals(SBM) with different degrees of hydrothermal processing in ***: The experiment involved a 3 × 2 factorial arrangement, with SBM processing time(commercial SBM or autoclaved for 30 or 60 min at 120 ℃) and protease supplementation(not supplemented and supplemented) as factors. Protease was included at three times the recommended dose(0.06%) and the experimental diets were fed from 15 to 21 ***: The interaction between the effects of SBM processing and protease supplementation was significant for the AID of CP(P = 0.01), Trp(P = 0.01), Gly(P = 0.03) and Pro(P = 0.03), and also for the average daily gain(P = 0.01)and feed conversion ratio(P = 0.04). Increasing the processing time of SBM decreased(P < 0.0001) the AID of all amino acids, whilst the effect of protease supplementation was only significant for the AID of Phe(P = 0.02) and Tyr(P = 0.01).Conclusions: Exogenous protease supplementation at three times the commercial dose does not seem to offset the negative effects of hydrothermal processing of SBM on the apparent ileal digestibility of CP and amino acids or performance of broilers. Whilst positive numerical improvements of digestibility and performance(ADG and FCR)were noticed with protease supplementation at relatively mild processing levels, negative results were obtained with the harsh-processed meals.

关键词： Amino acids Apparent ileal digestibility Broilers Exogenous protease

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Digestibility,Antioxidant and Anti-Inflammatory Activities of Pecan Nutshell(Carya illioinensis)Extracts

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Journal of Renewable Materials 2022年第10期10卷 2569-2580页

作者： María Janeth Rodríguez-Roque Carmen Lizette Del-Toro-Sánchez Janet Madeline Chávez-Ayala Ricardo Iván González-Vega Liliana Maribel Pérez-Pérez Esteban Sánchez-Chávez nora Aideésalas-salazar Juan Manuel Soto-Parra Rey David Iturralde-García María Antonia Flores-Córdova Facultad de Ciencias Agrotecnológicas Universidad Autónoma de ChihuahuaChihuahuaMéxico Universidad de Sonora Rosales y Niños Héroes S/NHermosilloSonMéxico Centro de Investigación en Alimentación y Desarrollo A.C.Unidad DeliciasDeliciasChihuahuaMéxico

Phenolic compounds are related to high biological activity,avoiding oxidation in food and human *** are by-products derived from the pecan nut processing that contain important amounts of phenols which biological activity must be *** research aimed to evaluate the antioxidant(DPPH,ABTS,FRAP and hemolysis)and anti-inflammatory activities of shell extracts from pecan nuts harvested during the crop production cycle 2018 and 2019,as well as the in vitro digestibility of their phenolic compounds,including *** showed that extracts from the crop production cycle 2018 obtained the highest yield,while those from 2019 contained the highest concentration of phenolic compounds,flavonoids and antioxidant capacity determined by DPPH(22.96 mmol ET),ABTS(91.55 mmol ET)and inhibition of hemolysis(92.12%).The anti-inflammatory activity exhibited an inhibition of the elastase enzyme up to 50 min and the bioaccessibility of phenolic compounds reached up to 32%.These results showed that pecan nutshell extracts are an important source of biologically active compounds,thus,they are suitable to be used as commodities in different fields such as agricultural,food and pharmaceutical *** studies must be carried out in order to elucidate the activity of nutshell extracts within in vivo systems.

关键词： Anti-inflammatory activity antioxidants digestibility shell phenolic compounds

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Impact of Organic and Mineral Fertilization in Pecan Nut on Production,Quality and Antioxidant Capacity

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Agricultural Sciences 2019年第2期10卷 227-240页

作者： Linda Citlalli Noperi-Mosqueda Juan Manuel Soto-Parra Esteban Sánchez Francisco Javier Pina-Ramírez Ramona Pérez-Leal María Antonia Flores-Córdova nora Aideé salas-salazar Facultad de Ciencias Agrotecnológicas Universidad Autónoma de ChihuahuaChihuahuaMéxico Centro de Investigación en Alimentación y Desarrollo A.C.Delicias ChihuahuaMéxico

The pecan nut is considered one of the most important dried fruits in the world by its classification as healthy food. The nutritional balance in the harvest is crucial for its impact on the production, quality and content of bioactive compounds. This research was carried out in the city of Aldama, Chihuahua (Mexico), where doses of mineral and organic fertilization were tested in L25 Taguchi structure with 6 factors and 5 levels by factor: nitrogen (N) 0 - 240 kg·ha-1, phosphate (P2O5) 0 - 120 kg·ha-1, potassium (K2O) 0 - 100 kg·ha-1, calcium (CaO) 0 - 400 kg·ha-1, liquid humus 0 - 3600 L·ha-1 and solid humus 0 - 8000 kg·ha-1. An average yield of 2.2 t·ha-1 was obtained;145 nuts per kilogram, 60% of the edible part of the nut. The total phenolic content was 225.9 mg gallic acid g-1 and the antioxidant capacity was 180.9 mg Trolox g-1. It is concluded that the factor with the greatest impact on yield, quality and antioxidant capacity in pecan nut was nitrogen. It was also found that the combination of mineral and organic fertilization helps to maintain the production and quality ranges of the nut. In turn, these factors contribute to the increase in the phenolic strength and antioxidant capacity. The optimal fertilization dosis to obtain the maximum levels in production of 3.2 t·ha-1;decrease the number of nuts per kilogram to 135, increase the percentage of the edible part of the nut to 61.8%, the increase in the total phenolic content to 318.6 mg of gallic acid g-1 and in the antioxidant capacity with 187.2 mg of Trolox g-1, was 184 kg·ha-1 of N, 107.4 kg·ha-1 of P2O5, 50 kg·ha-1 of K2O y 2777 L·ha-1 of liquid humus. Finally, the mineral fertilization complemented with organic fertilization is considered a good fertilization strategy for pecan trees and its possible benefits to health and the environment.

关键词： Carya illinoinensis(Wangen K.Koch) Pecan Nut Nutrition Organic Fertilization Antioxidants

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Unilateral rNurr1-V5 transgene expression in nigral dopaminergic neurons mitigates bilateral neuropathology and behavioral deficits in parkinsonian rats withα-synucleinopathy

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Neural Regeneration Research 2024年第9期19卷 2057-2067页

作者： Bismark Gatica-Garcia Michael J.Bannon Irma Alicia Martínez-Dávila Luis O.Soto-Rojas David Reyes-Corona Lourdes Escobedo Minerva Maldonado-Berny ME Gutierrez-Castillo Armando J.Espadas-Alvarez Manuel A.Fernandez-Parrilla Juan U.Mascotte-Cruz CP Rodríguez-Oviedo Irais E.Valenzuela-Arzeta Claudia Luna-Herrera Francisco E.Lopez-salas Jaime Santoyo-salazar Daniel Martinez-Fong Departamento de Fisiología Biofísica y NeurocienciasCentro de Investigación y de Estudios AvanzadosCiudad de MéxicoMéxico Department of Pharmacology Wayne State University School of MedicineDetroitMIUSA Laboratorio de Patogénesis Molecular Carrera Médico CirujanoFacultad de Estudios Superiores IztacalaUniversidad Nacional Autónoma de MéxicoTlalnepantla de BazMéxico Red de Medicina para la Educación y Desarrollo y la Investigación Científica de Iztacala(Red MEDICI) Carrera Médico CirujanoFacultad de Estudios Superiores IztacalaUniversidad Nacional Autónoma de MéxicoTlalnepantla de BazMéxico Nanoparticle Therapy Institute AguascalientesMéxico Departamento de Biociencias e Ingeniería Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y DesarrolloInstituto Politécnico NacionalCiudad de MéxicoMéxico Escuela Nacional de Medicina y Homeopatía Instituto Politécnico NacionalCiudad de MéxicoMéxico Departamento de Fisiología Escuela Nacional de Ciencias BiológicasInstituto Politécnico NacionalCiudad de MéxicoMéxico Departamento de Biología Molecular y Biotecnología Instituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico Departamento de Física Centro de Investigación y de Estudios AvanzadosCiudad de MéxicoMéxico Programa de Nanociencias y Nanotecnología Centro de Investigación y de Estudios AvanzadosCiudad de MéxicoMéxico

Parkinsonism by unilateral,intranigralβ-sitosterolβ-D-glucoside administration in rats is distinguished in that theα-synuclein insult begins unilaterally but spreads bilaterally and increases in severity over time,thus replicating several clinical features of Parkinson’s disease,a typicalα-*** Nurr1 repressesα-synuclein,we evaluated whether unilateral transfected of rNurr1-V5 transgene via neurotensin-polyplex to the substantia nigra on day 30 after unilateralβ-sitosterolβ-D-glucoside lesion could affect bilateral neuropathology and sensorimotor deficits on day 30 *** study found that rNurr1-V5 expression but not that of the green fluorescent protein(the negative control)reducedβ-sitosterolβ-D-glucoside-induced ***,a bilateral increase in tyrosine hydroxylase-positive cells and arborization occurred in the substantia nigra and increased tyrosine hydroxylase-positive ramifications in the *** addition,tyrosine hydroxylase-positive cells displayed less senescence markerβ-galactosidase and more neuron-cytoskeleton markerβIII-tubulin and brain-derived neurotrophic factor.A significant decrease in activated microglia(positive to ionized calcium-binding adaptor molecule 1)and neurotoxic astrocytes(positive to glial fibrillary acidic protein and complement component 3)and increased neurotrophic astrocytes(positive to glial fibrillary acidic protein and S100 calcium-binding protein A10)also occurred in the substantia *** effects followed the bilateral reduction inα-synuclein aggregates in the nigrostriatal system,improving sensorimotor *** results show that unilateral rNurr1-V5 transgene expression in nigral dopaminergic neurons mitigates bilateral neurodegeneration(senescence and loss of neuron-cytoskeleton and tyrosine hydroxylase-positive cells),neuroinflammation(activated microglia,neurotoxic astrocytes),α-synuclein aggregation,and sensorimotor *** neurotrophic astrocytes and

关键词： A1 astrocytes A2 astrocytes gene therapy microglia motor deficits nanoparticles neurodegeneration neuroinflammation senescence α-synuclein aggregates

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