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Wagner Campos Otoni
Universidade Federal de Viçosa
HorticultureExplant cultureShootBotanyBiology
245Publications
28H-index
2,783Citations
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Publications 244
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#1Thuanny Lins Monteiro Rosa (UFES: Universidade Federal do Espírito Santo)H-Index: 1
#2Caroline Palacio de Araujo (UFES: Universidade Federal do Espírito Santo)H-Index: 1
Last. Wagner Campos OtoniH-Index: 28
view all 12 authors...
Abstract Sapucaia or Lecythis pisonis Cambess. is an ornamental tree that produces edible, tasty, and nutritious nuts, and can be used for timber production. Sapucaia has potential as a functional food, owing to optimal nutritional and particularly Se levels. The present study sought to characterize the seeds of 21 sapucaia matrices from forest remnants of a neotropical hotspot (Atlantic Forest) and farms in two Brazilian states. Biometrics, germination, vigor, lignin content in the teguments, m...
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#1Evandro Alexandre Fortini (UFV: Universidade Federal de Viçosa)H-Index: 4
#2Diego Silva Batista (UFPB: Federal University of Paraíba)H-Index: 1
Last. Wagner Campos Otoni (UFV: Universidade Federal de Viçosa)H-Index: 28
view all 10 authors...
Photoperiod regulates different morphophysiological processes in plants, directly impacting photosynthetic performance and, consequently, primary and secondary metabolism. To date, there are no studies reporting the influence of photoperiod on the biosynthesis of phytoecdysteroids, such as 20-hydroxyecdisone (20-E). Here, we evaluated the effects of photoperiod on the development and metabolism of in vitro grown Pfaffia glomerata, an important medicinal species and producer of 20-E. Two P. glome...
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#1Tamyris de Mello (UFES: Universidade Federal do Espírito Santo)
#2Elzimar de Oliveira Gonçalves (UFES: Universidade Federal do Espírito Santo)H-Index: 8
Last. Wagner Campos Otoni (UFV: Universidade Federal de Viçosa)H-Index: 28
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Lecythis pisonis Cambess, popularly known as sapucaia, has great economic and socio-environmental potential. The objective of this study was to evaluate the establishment and in vitro morphogenesis of L. pisonis under the effect of disinfecting agents, plant growth regulators, and thermal stress. The study was divided into three experiments: (i) development of the disinfection protocol by testing different concentrations and times of exposure to sodium hypochlorite (NaOCl) and different concentr...
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#1Túlio Gomes Pacheco (UFV: Universidade Federal de Viçosa)H-Index: 5
#2Amanda de Santana Lopes (UFV: Universidade Federal de Viçosa)H-Index: 5
Last. Fábio O. Pedrosa (UFPR: Federal University of Paraná)H-Index: 38
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Phylogenetic aspects, hotspots of nucleotide divergence, highly divergent genes, and specific RNA editing sites have been identified and characterized in the plastomes of the subgenus Passiflora. The genus Passiflora comprises more than 500 species across five subgenera: Astrophea, Decaloba, Deidamioides, Passiflora, and Tetrapathea. The most economically relevant species belong to the subgenus Passiflora, whose genetic pool and diversity among wild species remain poorly characterized. Similarly...
1 CitationsSource
#1Amanda Mendes Fernandes (UFV: Universidade Federal de Viçosa)H-Index: 2
#2Evandro Alexandre Fortini (UFV: Universidade Federal de Viçosa)H-Index: 4
Last. Wagner Campos Otoni (UFV: Universidade Federal de Viçosa)H-Index: 28
view all 9 authors...
During shoot development, leaves undergo various ontogenetic changes, including variation in size, shape, and geometry. Passiflora edulis (passionfruit) is a heteroblastic species, which means that it experiences conspicuous changes throughout development, enabling a morphological distinction between the juvenile and adult vegetative phases. Quantification of heteroblasty requires a practical, inexpensive, reliable, and non-destructive method, such as remote sensing. Moreover, relationships amon...
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#1Daniele Vidal Faria (UFV: Universidade Federal de Viçosa)H-Index: 3
#2Ludmila Nayara de Freitas Correia (UFV: Universidade Federal de Viçosa)H-Index: 3
Last. Wagner Campos Otoni (UFV: Universidade Federal de Viçosa)H-Index: 28
view all 9 authors...
Bixa orellana L. seeds are an important source of the liposoluble apocarotenoid bixin and the natural hydrosoluble dye norbixin. These natural dyes are used for food, pharmaceutical, and cosmetic applications. The participation of methyltransferases has already been demonstrated in the bixin biosynthesis pathway, and the alteration of these genes expression can lead to changes in the production of bixin. Treatment with demethylating agents, such as 5-azacytidine (5-AzaC), was previously related ...
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#1Márcia Adriana Carvalho dos Santos (UFV: Universidade Federal de Viçosa)
Last. Wagner Campos Otoni (UFV: Universidade Federal de Viçosa)H-Index: 28
view all 9 authors...
The adjustment of protocols for the in vitro culture is fundamental for the conservation and application of biotechnological techniques of Psidium spp. This study has been aimed to determine the most appropriate culture medium formulation for the in vitro culture of Psidium guajava ‘Paluma’ (cv. GP) and a wild relative species, P. guineense. Seedlings of three accessions (Y93, Y95, and Y97) of P. guineense and cv. GP, previously germinated in vitro, were inoculated in the JADS, MS, and WPM cultu...
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#1Christiane E. M. Duarte (UFV: Universidade Federal de Viçosa)H-Index: 3
#2Josefa M. Alamillo (UCO: University of Córdoba (Spain))H-Index: 13
Last. Leandro Licursi de Oliveira (UFV: Universidade Federal de Viçosa)H-Index: 18
view all 6 authors...
A novel Brassica oleracea lectin with two tandem MATH domains in its structure has been characterized. The expression of the lectin is regulated by light and by stimuli related to plant defence response. The coding sequence of the protein has been cloned and a fully functional recombinant protein has been obtained. BOL (Brassica oleracea Lectin) is a novel lectin isolated from Brassica oleracea ssp. Botrytis, composed of a single subunit, non-glycosylated peptide that contains two conserved MATH...
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#1Kamila Motta de Castro (UFV: Universidade Federal de Viçosa)H-Index: 3
#2Diego Silva Batista (UFPB: Federal University of Paraíba)H-Index: 7
Last. Wagner Campos Otoni (UFV: Universidade Federal de Viçosa)H-Index: 28
view all 12 authors...
Soil salinity is one of the most relevant abiotic factors affecting global crop productivity. It also influences the composition of secondary metabolites in medicinal plant species. Lippia alba has great economic and industrial potential, which thanks to its essential oils rich in bioactive compounds and is an important plant in South American popular medicine. The objective of this work was to evaluate the effect of salt stress on the anatomy and growth of L. alba plants cultured in vitro, as w...
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