Hugo Pacheco de Freitas Fraga

@ufpr.br

Associate professor at Botany Department
Federal University of Parana

Hugo Pacheco de Freitas Fraga


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https://researchid.co/hugofraga

RESEARCH, TEACHING, or OTHER INTERESTS

Plant Science, General Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, Biotechnology
52

Scopus Publications

1340

Scholar Citations

19

Scholar h-index

33

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • Cryopreservation of Dyckia ibiramensis Reitz (Bromeliaceae) Seeds: An Endangered and Endemic Species from the Brazilian Atlantic Forest
    IT Grott, R Bittencourt, HP de Freitas Fraga, M Lambardi, MP Guerra
    South African Journal of Botany 192, 176-183 , 2026
    2026
  • In vitro propagation and slow growth storage of the endangered Brazilian bromeliad Dyckia ibiramensis Reitz: Grott et al.
    IT Grott, HPF Fraga, MP Guerra, R Bittencourt
    In Vitro Cellular & Developmental Biology-Plant 62 (1), 147-155 , 2026
    2026
  • Proteomic and morphoanatomical analyses reveal allelopathic effects of aqueous extract of Eugenia involucrata DC. (Myrtaceae) on Lactuca sativa L. (Asteraceae …
    B Oliveira Souza dos Reis, J Klostermann Ziemmer, ...
    Brazilian Journal of Botany 49 (1), 1 , 2025
    2025
  • Natural ventilation enhances shoot proliferation and primes photosynthetic function in in vitro cultivated Maxillaria picta (Orchidaceae)
    FR da Silva, CA Stefanello, MP Gomes, HPF Fraga
    Plant Cell, Tissue and Organ Culture (PCTOC) 163 (2), 44 , 2025
    2025
  • 6-benzylaminopurine promotes the shoots formation during plantlets in vitro culture and affects the photosynthetic pigments accumulation in acclimatized plants of Maxillaria …
    F Raach da Silva, C Alves Stefanello, H Pacheco de Freitas Fraga
    Plant Cell, Tissue and Organ Culture (PCTOC) 160 (2), 58 , 2025
    2025
    Citations: 3
  • Plant regeneration capacity in seeds of three species of Miconia (Melastomataceae) may be related to endogenous polyamine profiles
    JK Ziemmer, T dos Reis de Oliveira, C Santa-Catarina, ...
    Protoplasma 261 (5), 937-950 , 2024
    2024
    Citations: 1
  • Proteomic and histological analysis of in vitro callogenesis in three species of Miconia (Melastomataceae) reveals higher accumulation of proteins related to somatic …
    JK Ziemmer, LN Vieira, E Amano, FA de Almeida, V Silveira, ...
    Elsevier 172, 80-92 , 2024
    2024
  • Genome size and guard cell length are associated in four species of Miconia (Miconieae, Melastomataceae)
    JK Ziemmer, P Sperotto, LN Vieira, HPF Fraga, E Amano, M Reginato, ...
    Springer-Nature 47, 199-204 , 2024
    2024
    Citations: 5
  • Somatic embryogenesis in conifers: one clade to rule them all?
    HPF Fraga, PEC Moraes, LN Vieira, MP Guerra
    Plants 12 (14), 2648 , 2023
    2023
    Citations: 16
  • Callus induction in Araucaria angustifolia using orthotropic and plagiotropic apexes: proteomic and morphoanatomical aspects
    K Terhaag, JK Ziemmer, CA Stefanello, FA de Almeida, V Silveira, ...
    Plant Cell, Tissue and Organ Culture (PCTOC) 153 (3), 639-656 , 2023
    2023
    Citations: 3
  • Comparative proteomic analysis and antioxidant enzyme activity provide new insights into the embryogenic competence of Guadua chacoensis (Bambusoideae, Poaceae)
    LG Polesi, HP de Freitas Fraga, FA Almeida, V Silveira, MP Guerra
    Journal of Proteomics 273, 104790 , 2023
    2023
    Citations: 4
  • Enzymatic Antioxidant System Activation Assures the Viability of Guadua chacoensis (Bambusoideae, Poaceae) Embryogenic Cultures during Cryopreservation
    LG Polesi, D Goeten, HPF Fraga, N Steiner, MP Guerra
    Plants 12 (3), 673 , 2023
    2023
    Citations: 3
  • Morphohistological and biochemical features of the Guadua chacoensis (Bambusoideae; Poaceae) somatic embryogenesis
    L Giacomolli Polesi, H Pacheco de Freitas Fraga, D Goeten, ...
    Plant Cell, Tissue and Organ Culture (PCTOC) 148 (3), 479-499 , 2022
    2022
    Citations: 7
  • The complete plastid genome of Bactris riparia (Arecaceae) and a comparative analysis in Bactridinae (Cocoseae, Arecaceae)
    MC Dias, CR Clement, HPF Fraga, RS Silva, DP Rodrigues, LN Vieira
    Genetics and Molecular Biology 45, e20210305 , 2022
    2022
  • Domesticação de plantas: um processo co-evolutivo
    L do Nascimento Vieira, HP de Freitas Fraga, GM Serbin, RS da Silva, ...
    Genética na Escola 16 (2), 356-367 , 2021
    2021
    Citations: 4
  • The cytokinin 6-Benzylaminopurine improves the formation and development of Dryadella zebrina (Orchidaceae) in vitro shoots
    J dos Santos Anjos, C Alves Stefanello, L do Nascimento Vieira, ...
    Brazilian Journal of Botany 44 (4), 811-819 , 2021
    2021
    Citations: 13
  • Somatic embryogenesis in bamboos: advances and prospects
    LG Polesi, L do Nascimento Vieira, MP Guerra, ...
    Biotechnological Advances in Bamboo: The “Green Gold” on the Earth, 85-105 , 2021
    2021
    Citations: 8
  • The plastome sequence of Bactris gasipaes and evolutionary analysis in tribe Cocoseae (Arecaceae)
    R Santos da Silva, C Roland Clement, E Balsanelli, VA de Baura, ...
    PLoS One 16 (8), e0256373 , 2021
    2021
    Citations: 11
  • Characterization of the complete plastid genome of Butia eriospatha (Arecaceae)
    JW de Souza Magnabosco, HP de Freitas Fraga, RS Da Silva, M Rogalski, ...
    Genetics and Molecular Biology 43 (4), e20200023 , 2020
    2020
    Citations: 10
  • Improved in vitro development of Epidendrum secundum (Orchidaceae) by using aqueous extract of the seaweed Kappaphycus alvarezii (Rhodophyta …
    JC de Araújo Amatuzzi, L do Nascimento Vieira, BF Sant’Anna-Santos, ...
    Acta Physiologiae Plantarum 42 (8), 136 , 2020
    2020
    Citations: 13

MOST CITED SCHOLAR PUBLICATIONS

  • Plastid genomics in horticultural species: importance and applications for plant population genetics, evolution, and biotechnology
    M Rogalski, L do Nascimento Vieira, HP Fraga, MP Guerra
    Frontiers in plant science 6, 586 , 2015
    2015
    Citations: 122
  • 5-Azacytidine combined with 2,4-D improves somatic embryogenesis of Acca sellowiana (O. Berg) Burret by means of changes in global DNA methylation levels
    HPF Fraga, LN Vieira, CA Caprestano, DA Steinmacher, GA Micke, ...
    Plant Cell Reports 31 (12), 2165-2176 , 2012
    2012
    Citations: 115
  • An improved protocol for intact chloroplasts and cpDNA isolation in conifers
    LN Vieira, H Faoro, HPF Fraga, M Rogalski, EM de Souza, ...
    PLoS One 9 (1), e84792 , 2014
    2014
    Citations: 89
  • Efficient elimination of virus complex from garlic ( Allium sativum L.) by cryotherapy of shoot tips
    RL Vieira, AL da Silva, GR Zaffari, DA Steinmacher, HP de Freitas Fraga, ...
    Acta physiologiae plantarum 37 (1), 1733 , 2015
    2015
    Citations: 80
  • The Complete Chloroplast Genome Sequence of Podocarpus lambertii : Genome Structure, Evolutionary Aspects, Gene Content and SSR Detection
    LN Vieira, H Faoro, M Rogalski, HPF Fraga, RLA Cardoso, EM de Souza, ...
    PLoS One 9 (3), e90618 , 2014
    2014
    Citations: 72
  • Light-emitting diodes (LED) increase the stomata formation and chlorophyll content in Musa acuminata (AAA) ‘Nanicão Corupá’ in vitro plantlets
    L do Nascimento Vieira, HP de Freitas Fraga, KG dos Anjos, ...
    Theoretical and Experimental Plant Physiology 27 (2), 91-98 , 2015
    2015
    Citations: 71
  • DNA methylation and proteome profiles of Araucaria angustifolia (Bertol.) Kuntze embryogenic cultures as affected by plant growth regulators supplementation
    HPF Fraga, LN Vieira, AS Heringer, CC Puttkammer, V Silveira, ...
    Plant Cell, Tissue and Organ Culture (PCTOC) 125 (2), 353-374 , 2016
    2016
    Citations: 68
  • Nodule cluster cultures and temporary immersion bioreactors as a high performance micropropagation strategy in pineapple Ananas comosus var. comosus
    RF Scherer, AC Garcia, HPF Fraga, LLD Vesco, DA Steinmacher, ...
    Scientia Horticulturae 151, 38-45 , 2013
    2013
    Citations: 66
  • Glutathione improves early somatic embryogenesis in Araucaria angustifolia (Bert) O. Kuntze by alteration in nitric oxide emission
    L do Nascimento Vieira, C Santa-Catarina, HP de Freitas Fraga, ...
    Plant Science 195, 80-87 , 2012
    2012
    Citations: 59
  • Epigenetics of long-term somatic embryogenesis in Theobroma cacao L.: DNA methylation and recovery of embryogenic potential
    LA Pila Quinga, H Pacheco de Freitas Fraga, L do Nascimento Vieira, ...
    Plant Cell, Tissue and Organ Culture (PCTOC) 131 (2), 295-305 , 2017
    2017
    Citations: 54
  • Effect of thermal stress on tissue ultrastructure and metabolite profiles during initiation of radiata pine somatic embryogenesis
    A Castander-Olarieta, IA Montalbán, E De Medeiros Oliveira, ...
    Frontiers in Plant Science 9, 2004 , 2019
    2019
    Citations: 45
  • Phylogenetic inference and SSR characterization of tropical woody bamboos tribe Bambuseae (Poaceae: Bambusoideae) based on complete plastid genome sequences
    LN Vieira, KG Dos Anjos, H Faoro, HPF Fraga, TM Greco, FO Pedrosa, ...
    Current Genetics 62 (2), 443-453 , 2016
    2016
    Citations: 41
  • Global DNA methylation profiles of somatic embryos of peach palm ( Bactris gasipaes Kunth) are influenced by cryoprotectants and droplet-vitrification …
    AS Heringer, DA Steinmacher, HPF Fraga, LN Vieira, JF Ree, MP Guerra
    Plant Cell, Tissue and Organ Culture (PCTOC) 114 (3), 365-372 , 2013
    2013
    Citations: 40
  • Improved high-efficiency protocol for somatic embryogenesis in Peach Palm (Bactris gasipaes Kunth) using RITA® temporary immersion system
    AS Heringer, DA Steinmacher, HPF Fraga, LN Vieira, T Montagna, ...
    Scientia Horticulturae 179, 284-292 , 2014
    2014
    Citations: 38
  • Glutathione and abscisic acid supplementation influences somatic embryo maturation and hormone endogenous levels during somatic embryogenesis in Podocarpus lambertii Klotzsch …
    HP de Freitas Fraga, L do Nascimento Vieira, CC Puttkammer, ...
    Plant Science 253, 98-106 , 2016
    2016
    Citations: 35
  • The plastome sequence of the endemic Amazonian conifer, Retrophyllum piresii (Silba) C.N.Page, reveals different recombination events and plastome isoforms
    L do Nascimento Vieira, M Rogalski, H Faoro, ...
    Tree Genetics & Genomes 12 (1), 10 , 2016
    2016
    Citations: 29
  • Insights into the conversion potential of Theobroma cacao L. somatic embryos using quantitative proteomic analysis
    LAP Quinga, AS Heringer, HP de Freitas Fraga, L do Nascimento Vieira, ...
    Scientia horticulturae 229, 65-76 , 2018
    2018
    Citations: 22
  • High-efficiency cryopreservation of Araucaria angustifolia (Bertol.) Kuntze embryogenic cultures: ultrastructural characterization and morpho-physiological features
    HPF Fraga, LN Vieira, CC Puttkammer, JM da Silva, KG dos Anjos, ...
    Plant Cell, Tissue and Organ Culture (PCTOC) 124 (2), 307-318 , 2016
    2016
    Citations: 20
  • Global DNA methylation levels during the development of nodule cluster cultures and assessment of genetic fidelity of in vitro-regenerated pineapple plants (Ananas comosus var …
    RF Scherer, HP de Freitas Fraga, GF Klabunde, DA Da Silva, MP Guerra
    Journal of Plant Growth Regulation 34 (3), 677-683 , 2015
    2015
    Citations: 20
  • Embryonal masses induced at high temperatures in Aleppo pine: Cytokinin profile and cytological characterization
    C Pereira, A Castander-Olarieta, IA Montalbán, A Pěnčík, I Petřík, ...
    Forests 11 (8), 807 , 2020
    2020
    Citations: 18