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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
21/03/2019 |
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Data da última atualização: |
21/03/2019 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
PESSOA FILHO, M. A. C. de P.; SOUZA SOBRINHO, F. de; FRAGOSO, R. da R.; SILVA JUNIOR, O. B. da; FERREIRA, M. E. |
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Afiliação: |
MARCO AURELIO CALDAS DE PINHO PESSO, CPAC; FAUSTO DE SOUZA SOBRINHO, CNPGL; RODRIGO DA ROCHA FRAGOSO, CPAC; ORZENIL BONFIM DA SILVA JUNIOR, Cenargen; MARCIO ELIAS FERREIRA, Cenargen. |
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Título: |
A phased diploid genome assembly for the forage grass urochloa ruziziensis based on single-molecule real-time sequencing. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
In: PLANT AND ANIMAL GENOME CONFERENCE, 27., 2019, San Diego. Proceedings... Livingston, NJ: Scherago, 2019 |
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Idioma: |
Inglês |
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Notas: |
Plant and Animal Genome XXVII Conference (PAG). |
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Conteúdo: |
Ruzigrass (Urochloa ruziziensis) is a diploid, tropical forage grass native to Africa, widely planted in Brazil, known for its high nutritional quality. It is closely related to important forage species of Urochloa, and plays a crucial role in the breeding program of brachiaria grasses, mostly focused on inter-specific hybirds. Previous studies from our group based on shallow Illumina sequencing resulted in the development of the first molecular markers for the species (Silva et al., 2013), as well as in assessments of germplasm diversity and structure (Pessoa-Filho et al., 2015). Assembly and analysis of complete plastid genomes for four Urochloa species allowed the characterization of their phylogenetic divergence (Pessoa-Filho et al., 2017). Here, we present a near-complete phased diploid genome assembly of the heterozygous ruzigrass clone C69. We used PacBio Sequel to generate over 13.3 million long reads (mean size 6.5 kbp), adding up to 87.5 Gbp of raw data (~142x coverage). The current diploid assembly using FALCON-Unzip contains ~603 Mbp in 3,539 primary contigs, with NG50 of 286 kbp, and covers 98.2% of the estimated haploid genome size of 615 Mbp for ruzigrass. In addition, 82% of the assembly could be phased as separate haplotypes, with ~500 Mbp resolved as haplotigs. Assessment of assembly completeness showed 95.2% BUSCO matches as complete, and 83.3% as complete single-copy. Ongoing research includes transcriptome assembly to aid gene prediction and annotation, anchoring of contigs in linkage maps, and Hi-C scaffolding. A high-quality, chromosome-scale genome assembly for ruzigrass will aid research groups in the development and application of genomic tools in breeding and genetics of brachiaria grasses. MenosRuzigrass (Urochloa ruziziensis) is a diploid, tropical forage grass native to Africa, widely planted in Brazil, known for its high nutritional quality. It is closely related to important forage species of Urochloa, and plays a crucial role in the breeding program of brachiaria grasses, mostly focused on inter-specific hybirds. Previous studies from our group based on shallow Illumina sequencing resulted in the development of the first molecular markers for the species (Silva et al., 2013), as well as in assessments of germplasm diversity and structure (Pessoa-Filho et al., 2015). Assembly and analysis of complete plastid genomes for four Urochloa species allowed the characterization of their phylogenetic divergence (Pessoa-Filho et al., 2017). Here, we present a near-complete phased diploid genome assembly of the heterozygous ruzigrass clone C69. We used PacBio Sequel to generate over 13.3 million long reads (mean size 6.5 kbp), adding up to 87.5 Gbp of raw data (~142x coverage). The current diploid assembly using FALCON-Unzip contains ~603 Mbp in 3,539 primary contigs, with NG50 of 286 kbp, and covers 98.2% of the estimated haploid genome size of 615 Mbp for ruzigrass. In addition, 82% of the assembly could be phased as separate haplotypes, with ~500 Mbp resolved as haplotigs. Assessment of assembly completeness showed 95.2% BUSCO matches as complete, and 83.3% as complete single-copy. Ongoing research includes transcriptome assembly to aid gene prediction and annotation, ... Mostrar Tudo |
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Palavras-Chave: |
Brasil. |
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Thesagro: |
Capim Urochloa; Genoma. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/194810/1/abstract-PAG-XXVII.pdf
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Marc: |
LEADER 02499nam a2200205 a 4500
001 2107378
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008 2019 bl uuuu u00u1 u #d
100 1 $aPESSOA FILHO, M. A. C. de P.
245 $aA phased diploid genome assembly for the forage grass urochloa ruziziensis based on single-molecule real-time sequencing.$h[electronic resource]
260 $aIn: PLANT AND ANIMAL GENOME CONFERENCE, 27., 2019, San Diego. Proceedings... Livingston, NJ: Scherago$c2019
500 $aPlant and Animal Genome XXVII Conference (PAG).
520 $aRuzigrass (Urochloa ruziziensis) is a diploid, tropical forage grass native to Africa, widely planted in Brazil, known for its high nutritional quality. It is closely related to important forage species of Urochloa, and plays a crucial role in the breeding program of brachiaria grasses, mostly focused on inter-specific hybirds. Previous studies from our group based on shallow Illumina sequencing resulted in the development of the first molecular markers for the species (Silva et al., 2013), as well as in assessments of germplasm diversity and structure (Pessoa-Filho et al., 2015). Assembly and analysis of complete plastid genomes for four Urochloa species allowed the characterization of their phylogenetic divergence (Pessoa-Filho et al., 2017). Here, we present a near-complete phased diploid genome assembly of the heterozygous ruzigrass clone C69. We used PacBio Sequel to generate over 13.3 million long reads (mean size 6.5 kbp), adding up to 87.5 Gbp of raw data (~142x coverage). The current diploid assembly using FALCON-Unzip contains ~603 Mbp in 3,539 primary contigs, with NG50 of 286 kbp, and covers 98.2% of the estimated haploid genome size of 615 Mbp for ruzigrass. In addition, 82% of the assembly could be phased as separate haplotypes, with ~500 Mbp resolved as haplotigs. Assessment of assembly completeness showed 95.2% BUSCO matches as complete, and 83.3% as complete single-copy. Ongoing research includes transcriptome assembly to aid gene prediction and annotation, anchoring of contigs in linkage maps, and Hi-C scaffolding. A high-quality, chromosome-scale genome assembly for ruzigrass will aid research groups in the development and application of genomic tools in breeding and genetics of brachiaria grasses.
650 $aCapim Urochloa
650 $aGenoma
653 $aBrasil
700 1 $aSOUZA SOBRINHO, F. de
700 1 $aFRAGOSO, R. da R.
700 1 $aSILVA JUNIOR, O. B. da
700 1 $aFERREIRA, M. E.
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Registro original: |
Embrapa Cerrados (CPAC) |
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| Registros recuperados : 94 | |
| 9. |  | GRATTAPAGLIA, D.; SILVA JUNIOR, O. B. da; RESENDE, L. V.; SILVA, P. I. T. A five-species 50K Axiom SNP microarray allows high quality genotyping of coffee, cashew, cassava, brazilian pine and eucalyptus. In: PLANT AND ANIMAL GENOME CONFERENCE, 25., 2017, San Diego. [Abstracts...]. San Diego, CA: [s.n.], 2017.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 10. | | CARNEIRO, F. de A.; MARRACCINI, P.; SILVA JUNIOR, O. B. da; GRATTAPAGLIA, D.; ANDRADE, A. C. Development and validation of a 26K Axiom® SNP array for Coffea canephora. In: SIMPÓSIO INTERNACIONAL DE GENÉTICA E MELHORAMENTO, 8., 2017, Viçosa, MG. Ômicas: do gene ao fenótipo. [Proceedings...] Viçosa, MG: UFV, 2017.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 11. | | CARNEIRO, F. de A.; MARRACCINI, P.; SILVA JUNIOR, O. B. da; GRATTAPAGLIA, D.; ANDRADE, A. C. Development and validation of a 26K Axiom® SNP array for Coffea canephora. In: SIMPÓSIO INTERNACIONAL DE GENÉTICA E MELHORAMENTO, 8., 2017, Viçosa, MG. Ômicas: do gene ao fenótipo. [Proceedings...] Viçosa, MG: UFV, 2017.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Café. |
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| 12. | | TANNO, P.; SILVA JUNIOR, O. B. da; RESENDE, L. V.; SOUSA, V. A. de; GRATTAPAGLIA, D. A genotyping array of 3,400 Single Nucleotide Polymorphisms (SNPs) advances the genetic analysis of the iconic tree Araucaria angustifolia, showing that the natural populations ar e more differentiated than previously reported. Pesquisa Florestal Brasileira, Colombo, v. 39, (nesp), e201902043, 2019. p. 188. Edição especial dos resumos do IUFRO World Congress, 25., 2019, Curitiba.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 15. | | BARBOSA, T.; FALEIRO, F. G.; JUNQUEIRA, N. T. V.; OLIVEIRA, J. da S.; SILVA JUNIOR, O. B. da; GRATTAPAGLIA, D. Caracterização e diversidade genética de híbridos e genitores de Passiflora edulis Sims com base em marcadores SNPs. Revista MT Horticultura, v. 9, n. 1, p. 20, 2023. Na publicação: Orzenil Bonfim Silva Júnior. Apresentado no VIII Simpósio Brasileiro da Cultura do Maracujazeiro, Tangará da Serra, MT.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 16. | | BARBOSA, T.; FALEIRO, F. G.; JUNQUEIRA, N. T. V.; OLIVEIRA, J. da S.; SILVA JUNIOR, O. B. da; GRATTAPAGLIA, D. Caracterização e diversidade genética de híbridos e genitores de Passiflora edulis Sims com base em marcadores SNPs. Revista MT Horticultura, v. 9, n. 1, p. 20, 2023. Na publicação: Orzenil Bonfim Silva Júnior. Apresentado no VIII Simpósio Brasileiro da Cultura do Maracujazeiro, Tangará da Serra, MT.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Cerrados. |
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| Registros recuperados : 94 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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