B. A. Barros

ORCID: 0000-0003-4727-2129
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About
Contact & Profiles
Research Areas
  • Aluminum toxicity and tolerance in plants and animals
  • Insect-Plant Interactions and Control
  • Plant Micronutrient Interactions and Effects
  • Bioenergy crop production and management
  • Plant nutrient uptake and metabolism
  • Silicon Effects in Agriculture
  • Insect Pest Control Strategies
  • Insect and Pesticide Research
  • Plant Virus Research Studies
  • Animal Genetics and Reproduction
  • Insect Resistance and Genetics
  • Biofuel production and bioconversion
  • Plant Stress Responses and Tolerance
  • Genetic Mapping and Diversity in Plants and Animals
  • Soybean genetics and cultivation
  • Crop Yield and Soil Fertility
  • Youth, Drugs, and Violence
  • Cocoa and Sweet Potato Agronomy
  • Genetically Modified Organisms Research
  • Reproductive Biology and Fertility
  • Health, Nursing, Elderly Care
  • Nitrogen and Sulfur Effects on Brassica
  • Plant-Microbe Interactions and Immunity
  • Amazonian Archaeology and Ethnohistory
  • Plant Disease Management Techniques

Brazilian Agricultural Research Corporation
2014-2021

Universidade Católica de Pelotas
2020

Empresa de Pesquisa Agropecuária do Rio Grande do Norte
2016

Abstract Low soil phosphorus (P) availability is a major constraint for crop production in tropical regions. The rice (Oryza sativa) protein kinase, PHOSPHORUS-STARVATION TOLERANCE1 (OsPSTOL1), was previously shown to enhance P acquisition and grain yield under deficiency. We investigated the role of homologs OsPSTOL1 sorghum (Sorghum bicolor) performance low P. Association mapping undertaken two association panels phenotyped uptake, root system morphology architecture hydroponics biomass...

10.1104/pp.114.243949 article EN cc-by PLANT PHYSIOLOGY 2014-09-02

Phosphorus (P) fixation on aluminum (Al) and iron (Fe) oxides in soil clays restricts P availability for crops cultivated highly weathered tropical soils, which are common developing countries. Hence, deficiency becomes a major obstacle global food security. We used multi-trait quantitative trait loci (QTL) mapping to study the genetic architecture of efficiency explore importance root traits sorghum grain yield low-P soil. acquisition was most important component efficiency, both were...

10.1186/s12870-019-1689-y article EN cc-by BMC Plant Biology 2019-02-28

Abstract Aluminum (Al) toxicity on acid soils adversely affects maize yields, which can be overcome by combining soil amendments with genetic tolerance. In maize, ZmMATE1 confers Al tolerance via Al-activated citrate release, whereby forms non-toxic complexes 3+ in the rhizosphere. Here, we investigated mechanisms germplasm originated from Kenya based quantitative trait loci (QTL) mapping. Five QTLs and four epistatic interactions explained ~51% of phenotypic variation for The lack QTL...

10.1038/s41598-020-64107-z article EN cc-by Scientific Reports 2020-04-30

In the present study, we demonstrated in vitro activity of endophytic phosphate-solubilizing bacteria (PSB).Fifty-five PSB that were isolated from sap, leaves, and roots maize tested for their ability to solubilize tricalcium phosphate produce organic acid.Partial sequencing 16S rRNA-encoding gene showed isolates genus Bacillus different species Enterobacteriaceae.The solubilization index on solid medium liquid varied significantly among isolates.There was a statistically significant...

10.4238/gmr16019294 article EN Genetics and Molecular Research 2017-01-01

Acidic soils, where aluminum (Al) toxicity is a major agricultural constraint, are globally widespread and prevalent in developing countries. In sorghum, the root citrate transporter SbMATE confers Al tolerance by protecting apices from toxic 3+ , but can exhibit reduced expression when introgressed into different lines. We show that allele-specific transactivation occurs caused factors located away . Using expression-QTL mapping genome-wide association mapping, we establish transcription...

10.1073/pnas.1808400115 article EN Proceedings of the National Academy of Sciences 2018-12-13

Abstract The development of aluminum (Al)‐tolerant cultivars is a complementary strategy to overcome the constraints caused by Al toxicity on acid soils and can contribute positively food supply for growing global population. A major tolerance quantitative trait locus in maize controlled citrate transporter encoded ZmMATE1 . Our goal was evaluate impact superior allele yield performance lines hybrids cultivated soils. Near‐isogenic carrying , recurrent Al‐sensitive parent were crossed with...

10.1002/csc2.20575 article EN cc-by-nc-nd Crop Science 2021-06-02

Most early developmental data are lost in bovine embryo culture systems. We developed and validated a method for of embryos groups that allow individual assessment. An autoclavable low-cost multiembryo chamber (MEC) was prepared using polyester mesh fixed to glass coverslip. Embryonic development not affected by MEC. Compared conventional system (oil-covered drops, control), cleavage (C, 71.2 ± 7.8%; MEC, 74.3 6.0%), blastocyst rate 29.9 4.4%; 28.3 5.0%) cell number 94.1 9.7; 92.9 5.3) were...

10.1080/19396368.2019.1589601 article EN Systems Biology in Reproductive Medicine 2019-04-08

Abstract Plants not only respond to herbivorous damage but adjust their defense system after egg deposition by pest insects. Thereby, parasitoids use oviposition-induced plant volatiles locate hosts. We investigated the olfactory behavioral responses of Trichogramma pretiosum Riley, 1879 (Hymenoptera: Trichogrammatidae) volatile blends emitted maize ( Zea mays L.) with singular and stacked events oviposition Spodoptera frugiperda Smith, 1797 moths. Additionally, we examined possible...

10.1017/s0007485321000341 article EN Bulletin of Entomological Research 2021-06-16

Spodoptera frugiperda is the most economically important maize pest in Brazil.There little information about genetic structure, using SSR markers, of S. populations collected from crops.In this study, 21 markers were used to evaluate diversity and population structure distinct Brazilian geographical regions.Two hundred twenty-seven alleles recorded with an average 10.76 per marker, Polymorphic Information Content (PIC) values ranging 0.242 0.933, 0.621, indicating a high discriminating...

10.18512/1980-6477/rbms.v14n3p300-315 article EN cc-by Revista Brasileira de Milho e Sorgo 2015-12-30

Este estudo objetivou contextualizar a estrutura de organização e orientação da Atenção Primária à Saúde (APS) Pelotas, município do Rio Grande Sul, bem como demonstrar discutir presença extensão dos atributos que qualificam APS, por meio aplicação Instrumento Primary Care Assessment Tool (PCATool), avaliando APS segundo o modelo atenção (tradicional Estratégia Família – ESF). Para tanto, realizou-se um transversal, aplicando PCATool aos 50 gestores das Unidades Básicas (UBS) município, no...

10.5585/rgss.v9i2.14493 article PT Revista de Gestão em Sistemas de Saúde 2020-07-17

The enzymes 1,2-diacylglycerol cholinephosphotrans-ferase (CPT) and lysophosphatidylcholine acyltransferase (LPCAT) are important in lipid metabolism soybean seeds. Thus, understand-ing the genes that encode these may enable their modification aid improvement of oil quality. In soybean, encoding have not been completely described; there-fore, this study aimed to identify, characterize, analyze silico expression soybean. We identified two gene models CPT LPCAT, one which presented an...

10.4238/gmr.15038974 article EN Genetics and Molecular Research 2016-01-01
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