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Changes in calcium accumulation and utilization efficiency and their impact on recycling,immobilization,and export across the oil palm cycle

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Oil Crop Science 2024年第3期9卷 143-150页

作者： Ismael de Jesus Matos Viégas Luma Castro de Souza Eric Victor de oliveira ferreira Milton Garcia Costa Glauco André dos Santos Nogueira Vitor Resende do Nascimento candido ferreira de oliveira neto Capanema Campus Federal Rural University of the Amazon(UFRA)Av.Barao de CapanemaCaixa D'agua5514-6434ParaBrazil Center of Agricultural and Environmental Sciences Federal University of Maranhao(UFMA)ChapadinhaBR-222km 04SNBoa Vista65500000MaranhaoBrazilc Capitao Poço Campus Federal Rural University of the Amazon(UFRA)Tv.Pau AmareloS/n-Vila Nova68650-000Capitao PoçoParaBrazil department of Soil Science Sao Paulo State University(Unesp)School of Agricultural and Veterinarian SciencesJaboticabalVia de Acesso Prof.Paulo Donato CastelaneCastellane-S/N-Vila Industrial14884-900Sao PauloBrazil Institute of Agricultural Sciences(ICA) Federal Rural University of the Amazon(UFRA)Estr.Principal da Ufra2150Curio-Utinga66077-580BelemParaBrazil

Effective calcium(Ca)management is crucial for optimizing oil palm cultivation and enhancing crop *** study aimed to gain insights into the dynamics of Ca concentration,accumulation,exportation,immobilization,and recycling in various oil palm organs relative to plant *** experiment was conducted at the Agropalma enterprise site in the northeastern region of Para State,Brazil,evaluating seven plant age treatments:2,3,4,5,6,7,and 8 years *** a completely randomized design with four *** results demonstrated an age-related increase in Ca concentration in petioles,rachis,arrows,male inflorescences,peduncles,and ***,Ca accumulation exhibited an upward trend in all organs with progressing plant ***,the study revealed an enhanced Ca use efficiency across all plant organs in correlation with the age of oil palm *** findings underscore the dynamic nutritional demands of oil palm,influencing Ca immobilization,cycling,and export throughout its developmental stages.

关键词： Elaeis guineensis Jacq Ca cycling Ca export Ca immobilization Ca use efficiency Plant nutrition Amazon

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Ecophysiology and multivariate analysis for production of Tachigali vulgaris in Brazil:Influence of rainfall seasonality and fertilization

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林业研究:英文版 2023年第5期34卷 1289-1305页

作者： Pedro Henrique oliveira Simoes candido ferreira de oliveira neto Manoel Tavares de Paula Dênmora Gomes de Araújo Rodrigo Silva do Vale Joao Olegário Pereira de Carvalho Universidade Federal de Mato Grosso Campus Universitario de SinopSinop 78550728Mato GrossoBrazil Universidade Federal Rural da Amazonia Campus BelemBelem 66077830ParaBrazil Universidade do Estado do Para Centro de Ciencias Naturais e TecnologiaBelem 66095015ParaBrazil Universidade Federal Rural da Amazonia Campus Capitao-PocoCapitao Poco 68650000ParaBrazil

Studies on fertilization management of species native to the Amazon for energy plantations contribute to the diversity of species use and reduce biological risk due to the excessive use of clones or hybrids of *** study evaluates the effect of precipitation seasonality and phosphorus and potassium fertilization on gas exchange in a Tachigali vulgaris *** levels of P(zero,65.2,130.4 kg ha^(-1))and three of K(zero,100.0,200.0 kg ha^(-1))were applied in a 3×3 factorial randomized block *** exchange measurements were conducted in April and November *** low rainfall,high irradiance period,photo synthetic rates were up to four times higher than in the high rainfall period,reaching 20.3μmol m^(-2)s^(-1)in the treatment with 130.4 g kg^(-1)of P and 100.0 g kg^(-1)of *** analysis and principal component analysis reduced the initial eight gas exchange variables to two and three principal components in periods of high and low rainfall,*** multivariate method used in this study readily identified variations in the variables as a function of rainfall,with high reliability in explaining the data set.

关键词： Photosynthesis rate Stomatal conductance Principal component analysis Factor analysis Tachigali vulgaris

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Osmoregulators in Hymenaea courbaril and Hymenaea stigonocarpa under water stress and rehydration

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Journal of Forestry Research 2018年第6期29卷 1475-1479页

作者： Luma Castro de Souza Luana Moraes da Luz Je′ssica Taynara da Silva Martins candido ferreira de oliveira neto Juscelino Goncalves Palheta Tamires Borges de oliveira Ediane Conceicao Alves Risely Ferraz de Almeida Raimundo Leonardo Lima de oliveira Roberto Cezar Lobo da Costa Nariane Quaresma Vilhena Universidade estadual paulista ju′lio de mesquita filho JaboticabalSP 14884-900Brazil Universidade Federal Rural da Amazonia(UFRA) Campus CapanemaCapanema 68700-030Brazil Universidade Federal Rural da Amazonia Campus BelemBelem 66077-830Brazil Universidade Federal de Vicosa(UFV) Vicosa 36570-900Brazil Universidade Estadual Paulista Ju′lio de Mesquita Fiho(UNESP) Jaboticabal 14884-900Brazil Universidade do Estado do Para′(UEPA) Bele′m 66113-200Brazil

The objective of this work was to evaluate the effect of different water deficiency and rehydration levels on the concentrations of osmoregulators in two plant species（Hymenaea courbaril and H. Stigonocarpa） in the Amazon. We adopted a 2×5×5 factorial system,referring to 2 species（H. courbaril and H. stigonocarpa）and 5 stages of hydration and rehydration. The five hydration and rehydration stages were established in:（1）Control treatment E0;（2） Plants with 13 days of stress after incubation—E13;（3） Plants with 26 days of stress E26;（4）The plants that were established after 26 days after incubation and rehydrated for two days（RD2）;（5） rehydrated for two days（RD4）. The plants that were established after 26 days after incubation and rehydrated for four days. The experiment totaled fifty young plants with five *** measurements were performed at the beginning of the experiment（E0） at 13（E13） and 26（E26） days after the water stress, in which the plants were rehydrated,repeating the analyses after two（RD2） and four（RD4）days. Both species increased the sucrose concentration by18%, with a decrease of 52% in starch content. The RD4 time presented the highest mean starch concentration(0.19 mmol g-1 of the residue for H. courbaril and0.27 mmol g;of residue for H. stigonocarpa). Increased proline concentrations were recorded for controls until RD2 for both species. For glycine betaine, the highest increases in treatments E26 and RD2 were observed for the H. courbaril species. Our rehydration period was not sufficient for total recovery of pre-stress concentrations of all studied solutes.

关键词： Amazonia Water stress Osmotic adjustment Proline Sucrose

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Nitrogen Metabolism,Carbohydrates and Sucrose in Young Plants of Paricá(Schizolobium amazonicum)Submitted to Different Dosages of Aluminum

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American Journal of Plant Sciences 2018年第4期9卷 865-879页

作者： Vitor Resende do Nascimento Diana Jhulia Palheta de Sousa Jéssica Suellen Silva Teixeira Jose Jean Borges Leao Liliane Correa Machado Glauco Andre dos Santos Nogueira candido ferreira de oliveira neto Ana Ecídia de Araújo Brito Ricardo Shigueru Okumura Waldemar Viana de Andrade Júnior department of Forest Sciences Federal Rural University of Amazonia(UFRA)BelémBrazil department of Agronomy Federal Rural University of Amazonia(UFRA)BelémBrazil Federal Rural University of Amazonia(UFRA) BelémBrazil Federal Rural University of Amazonia(UFRA) ParauapebasBrazil

The paricá [Schizolobium amazonicum Huber ex Ducke] is a native species of the Amazon region, belonging to the Fabaceae family and is a legume that has great social and economic importance, raw material for the manufacture of wood panels. Heliophilous, with wood of light density and good workability. Amazonian soils are highly weathered and characterized by high acidity, so Al harms the growth and development of sensitive plants, as well as the presence of resistant and/or tolerant plants. Thus, in this work, we sought to study the biochemical metabolism alterations generated in young plants of Schizolobium amazonicum Huber ex Ducke affected at different dosages of AlCl3. The research was conducted in a greenhouse of the Federal Rural University of Amazonia, using pre-scarified paricá seeds, which were seeded in plastic containers of 3.5 L capacity, with black soil fertilized with NPK 15-15-20. On the 8th day after sowing (DAS), thinning of 5 seedlings was performed for 2, and on day 12 of 2 for 1 seedling. The treatments started after 1 month and 22 days of sowing and the plants were collected 24 days later. A completely randomized experimental design (RED) was used, with 6 treatments (Control, Al 15 mg/L-1, Al 30 mg/L-1, Al 45 mg/L-1, Al 60 mg/L-1 and Al 75 mg/L-1) with 5 replicates each (one plant/pot) totaling 30 experimental units. The AlCl3 dosages resulted in considerable changes in the biochemical variables evaluated, especially when the 75 mg·L-1 dosage was applied. The considerable reduction in some variables such as nitrate reductase, glycine betaine and total soluble carbohydrates of these compounds to the applied AlCl3·6H2O dosages, is a way to create resistance mechanisms to try to overcome stress or as a way of showing limitations in the applied dosages. The species was sensitive to the AlCl3 dosages, and resisted only 23 days to the imposed stress. However, it presented defense mechanisms that were able to prolong the physiological acti

关键词： Dosages Aluminum Stress Schizolobium amazonicum

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Influence of biological maturation on cardiac autonomic recovery in female volleyball players during&after repeated sprints training:An experimental trial

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Sports Medicine and Health Science 2024年第3期6卷 279-286页

作者： Paulo Francisco de Almeida-neto Fernanda Cristina Silva de oliveira Jose Marcondes de oliveira-Júnior Júlio Cesar Medeiros Alves Matheus de Lima Rocha Iago Medeiros da Silva Roberto Felipe C^amara Rocha Paulo Moreira Silva Dantas Breno Guilherme de Araújo Tin^oco Cabral Health Sciences Center Federal University of Rio Grande do NorteCCS-UFRNNatal59012-570RNBrazil department of Physical Education Federal University of Rio Grande do NorteDEF-UFRNNatal59078-970RNBrazil

Previously,it was suggested that biological maturation(BM)could be linked to cardiac autonomic recovery(CAR)in the pediatric ***,this influence hasn’t been confirmed *** aim was to investigate the impact of BM on CAR in female volleyball *** study with a sample of 38 volleyball players,comprising 20 girls(age:[11.62.1]years)and 18 women(age:[24.55.5]years),we analyzed BM,comparing maturing subjects(girls)with mature subjects(women).Additionally,we assessed peak height velocity(PHV)in *** conducted a training session involving repeated sprints(3 rounds of 6 sprints interspersed by 5 min[min]of passive rest).Using short-range radio telemetry,we analyzed CAR during(at the end of the 1st and 2nd rounds)and after(following the 3rd round)the training session of repeated sprints by applying the 60-s to 300-s heart rate recovery index(HRR-Index).Girls exhibited superior CAR compared to women(round 2:60-s,120-s,240-s,and 300-s,pdemonstrated superior CAR compared to those in the Early-PHV and During-PHV groups.(60-s to 300-s,η2p>0.4,p0.4,pded that biological maturation has a significant impact on cardiac autonomic recovery.

关键词： Exercise Sport Volleyball Heart rate Pediatric

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Combined Oxidative Phosphorylation deficiency-20-Exome as a Diagnostic Implement

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Journal of Biosciences and Medicines 2024年第6期12卷 7-12页

作者： Paulo Roberto Matos-neto Lucas Antonissen Lima Verde Airton ferreira da Ponte-Filho Luís Eduardo oliveira Matos Amandha Espavier Trés Paulo Roberto Lacerda Leal Gerardo Cristino-Filho Regina Coeli de Carvalho Porto Carneiro Faculty of Medicine Federal University of Cear Sobral Cear Brazil department of Neurosurgery Federal University of Cear Sobral Cear Brazil department of Neuropediatrics Federal University of Cear Sobral Cear Brazil

Mitochondrial disorders are phenotypically varied, with serious clinical repercussions. Among them, there is the deficiency of combined oxidative phosphorylation of type 20, which occurs due to a defect in the VARS2 gene. This article presents a case of a 2-year-old female with progressive myoclonic epilepsy and psychomotor regression, with refractoriness to multiple anticonvulsants. The diagnosis was only made after the examination was carried out. Therefore, this article highlights the aspects of this rare disease and the importance of the exome for the diagnosis of rare conditions.

关键词： Oxidative Phosphorylation Epilepsy Exome Mitochondrial defect VARS2

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Enhancement of the Antigenotoxic and Antioxidant Actions of Eugenol from Spice Clove and the Stabilizer Gum Arabic on Colorectal Carcinogenesis

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Food and Nutrition Sciences 2024年第1期15卷 71-100页

作者： Nayanna de oliveira Ramos Melo Lucas Gabriel da Costa Marques Humberto Maia Costa neto Matheus de Sousa Silva Francisco Vagnaldo Fechine Jamacaru Bruno Coêlho Cavalcanti Antônio Adailson de Sousa Silva Conceição Aparecida Dornelas Postgraduate Program in Medical-Surgical Sciences School of Medicine Federal University of Ceará Fortaleza Brazil School of Medicine Federal University of Ceará Fortaleza Brazil Nucleus of Research and development of Medicines (NPDM) Laboratory of Pharmacology and Preclinical Research School of Medicine Federal University of Ceará Fortaleza Brazil Nucleus for Research and development of Medicines (NPDM) National Laboratory of Experimental Oncology Federal University of Ceará Fortaleza Brazil Postgraduate Program in Pathology and Medical-Surgical Sciences School of Medicine Federal University of Ceará Fortaleza Brazil

Spices are defined as any aromatic condiment of plant origin used to alter the flavor and aroma of foods. Besides flavor and aroma, many spices have antioxidant activity, mainly related to the presence in cloves of phenolic compounds, such as flavonoids, terpenoids and eugenol. In turn, the most common uses of gum arabic are in the form of powder for addition to soft drink syrups, cuisine and baked goods, specifically to stabilize the texture of products, increase the viscosity of liquids and promote the leavening of baked products (e.g., cakes). Both eugenol, extracted from cloves, and gum arabic, extracted from the hardened sap of two species of the Acacia tree, are dietary constituents routinely consumed virtually throughout the world. Both of them are also widely used medicinally to inhibit oxidative stress and genotoxicity. The prevention arm of the study included groups: Ia, IIa, IIIa, Iva, V, VI, VII, VIII. Once a week for 20 weeks, the controls received saline s.c. while the experimental groups received DMH at 20 mg/kg s.c. During the same period and for an additional 9 weeks, the animals received either water, 10% GA, EUG, or 10% GA + EUG by gavage. The treatment arm of the study included groups Ib, IIb, IIIb e IVb, IX, X, XI, XII). Once a week for 20 weeks, the controls received saline s.c. while the experimental groups received DMH at 20 mg/kg s.c. During the subsequent 9 weeks, the animals received either water, 10% GA, EUG or 10% GA + EUG by gavage. The novelty of this study is the investigation of their use alone and together for the prevention and treatment of experimental colorectal carcinogenesis induced by dimethylhydrazine. Our results show that the combined use of 10% gum arabic and eugenol was effective, with antioxidant action in the colon, as well as reducing oxidative stress in all colon segments and preventing and treating genotoxicity in all colon segments. Furthermore, their joint administration reduced the number of aberrant crypts and th

关键词： Eugenol Gum Arabic Carcinogenesis Oxidative Stress Genotoxicity

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Physiological plasticity in eucalyptus clones in the vegetative stage contributes to drought tolerance

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林业研究:英文版 2023年第5期34卷 1549-1561页

作者： Vilma Marques ferreira Jailma Ribeiro de Andrade Claudiana Moura dos Santos Sebastiao de oliveira Maia Júnior Joao Correia de Araújo neto Andrea Francisca da Silva Santos Vicente Mota da Silva Lucas Teles Bezerra Laurício Endres Laboratório de Fisiologia Vegetal Campus de Engenharia e Ciências AgráriasUniversidade Federal de AlagoasRio LargoAL57072-900Brazil Laboratório de Ciências Ambientais e Biodiversidade Departamento de Zootecnia.Centro de Ciências AgráriasUniversidade Estadual do MaranhãoSão LuísMA65300-000Brazil Laboratório de Propagação de Plantas.Campus de Engenharia e Ciências Agrárias Universidade Federal de AlagoasRio LargoAL57072-900Brazil Laboratório de Lepidoptera Museu de ZoologiaUniversidade de São PauloIpirangaSão PauloSP04263-000Brazil

With the expansion of eucalyptus crops to areas with severe water limitations,physiological studies involving eucalyptus clones to identify those that are tolerant to water stress become *** objective of this study was to assess morphological and physiological responses by eucalyptus clones subjected to drought stress and *** experiment consisted of three eucalyptus clones:VC865,I224 and I144 and two water regimes:control and water stress followed by rehydration,with six *** water potential,gas exchange,maximum quantum efficiency of photo systemⅡand plant height and stem diameter were evaluated under drought stress and ***6 d of rehydration,the number of leaves,leaf area and dry mass of root,leaf,stem and their total were *** clones showed intense reduction of gas exchange during the drought stress period,and only VC865 and 1144 showed rapid recovery with 3 d of *** 1224 showed greater reduction in height,stem diameter,number of leaves,water potential at midday(Ψ_(w)_(Midday)),and maximum quantum efficiency of photosystemⅡ(F_(v)/F_(m)).Clones VC865and T144 showed lower reductions inΨ_(wMidday)and F_(v)/F_(m) under ***865 had lower reductions in leaf number,leaf area and higher leaf dry mass,while clone I144 had higher height and lower reduction in root dry mass *** these clones showed higher water use efficiency with 3d of *** different phenotypic plasticities gave the clones VC865 and 1144 efficient mechanisms of acclimatization to stress and more drought tolerance,enhancing their greater capacity for recovery after stress,which allowed lower dry mass *** 1224,however,was more susceptible to drought stress,undergoing greater physiological damage with only partial recovery during rehydration.

关键词： Drought Eucalyptus species Gas exchanges Post-stress Root dry mass

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Dietary supplementation with free methionine or methionine dipeptide mitigates intestinal oxidative stress induced by Eimeria spp. challenge in broiler chickens

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Journal of Animal Science and Biotechnology 2019年第4期10卷 1005-1021页

作者： Angélica de Souza Khatlab Ana Paula del Vesco Adhemar Rodrigues de oliveira neto Roberta Pereira Miranda Fernandes Eliane Gasparino Animal Science department State University of MaringáColombo Avenue5790Jardim UniversitárioMaringáParaná87020-900Brazil Animal Science department Federal University of SergipeMarechal Rondon AvenueS/NJardim Rosa ElzeSao CristóvaoSergipe 49100-000Brazil EVONIK of Brazil Arquiteto Olavo Redig de Campos Street105Tower ASo PauloSP 04711-904Brazil Physiology departament Federal University of SergipeMarechal Rondon AvenueS/NJardim Rosa ElzeSao CristóvaoSergipe 49100-000Brazil

Background: This study evaluated the effects of Eimeria spp. challenge and dietary supplementation with free methionine or methionine dipeptide on animal performance;expression of genes associated with the immune system, antioxidant system, and amino acid transport in the jejunum;and redox status of the jejunum of broiler ***: A randomized, 2 × 3 factorial design was used, in which Eimeria spp. challenge was the first factor(Eimeria-challenged, EC, or unchallenged, UC, broilers) and methionine supplementation was the second factor(non-supplemented, NS;free DL-methionine, DL-Met;and methionine dipeptide, DL-methionyl-DL-methionine, DLMMet). At 14 days of age, chickens were inoculated orally with sporulated oocysts of Eimeria acervulina, Eimeria praecox, Eimeria maxima, and Eimeria mitis. Birds were killed by cervical dislocation 144 h post-inoculation(PI), and the jejunum was collected for biochemical and molecular ***: EC broilers had a 13% lower feed intake(FI), 37% lower body weight gain(BWG), and 39% higher feed conversion ratio(FCR) than UC broilers. Chickens fed the DL-Met diet had higher BWG(about 12% higher) and better FCR(about 12% lower) than chickens fed the NS diet. EC chickens had lower relative weight of the bursa of Fabricius(51.8%) and higher relative weights of the spleen and whole intestine(53.6% and 26.3%, respectively) than UC chickens. Eimeria spp. challenge led to an increase in the levels of oxidative substances, such as nitrite and thiobarbituric acid reactive substances(TBARS), in the jejunum of chickens 144 h PI. Among UC chickens, those fed the DL-Met diet had higher total antioxidant capacity(TAC) and lower catalase(CAT) and superoxide dismutase(SOD) activities. EC chickens that received the NS diet had higher carbonylated protein content(CP). This result was associated with their lower TAC and catalase activity. The lower TAC in EC chickens might have been due to reduced expression of catalase(CAT) and superoxide

关键词： Antioxidant Coccidiosis Gut INFG PEPT1

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Flight performance and wing morphology in the bat Carollia perspicillata:biophysical models and energetics

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Integrative Zoology 2023年第5期18卷 876-890页

作者： Lucas de oliveira CARNEIRO Breno MELLADO Marcelo Rodrigues NOGUEIRA Ariovaldo Pereira da CRUZ-neto Leandro Rabello MONTEIRO Laboratório de Ciências Ambientais Centro de Biociências e BiotecnologiaUniversidade Estadual do Norte FluminenseCampos dos GoytacazesRio de JaneiroBrasil departamento de Biodiversidade Universidade Estadual PaulistaRio ClaroSão PauloBrasil

Studies on functional performance are important to understand the processes responsible for the evolution of *** trait variation within species influences the energetic cost of locomotion and impacts life history traits,with ecological and evolutionary *** study examined wing morphology correlates of flight performance measured by energetic expenditure in the Seba’s short-tailed bat,Carollia *** the flight experiments,nature caught bats(59 females,57 males)were allowed to fly for 3 min in a *** each flight,thermographic images were taken to measure body temperature,and biophysical models were used to calculate sensible heat loss as a measure of energetic *** morphological traits were measured for each individual and associated with heat loss and power required to fly on performance *** morphological traits explained 7-10%of flight energetic cost,and morphologies with the best performance would save the energy equivalent to 9-30%of total daily *** optimal performance areas within the *** morphospace were consistent with predicted selection trends from the literature.A trade-off between demands for flight speed and maneuverability was *** loading and camber presented sexual *** morphological differences are likely associated with more economical but less maneuverable flight in females,leading them to fly more often in open areas along the forest *** findings demonstrate how small scale changes in wing morphology can affect life history strategies and fitness.

关键词： aerodynamics Chiroptera infrared thermography performance surfaces Phyllostomidae wing morphometrics

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