ArticleThe Journal of heredity2021
Genome Assembly of Salicaceae Populus deltoides (Eastern Cottonwood) I-69 Based on Nanopore Sequencing and Hi-C Technologies.
Article in The Journal of heredity, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 34 citations in OpenAlex.
- Genome-wide association study and KASP development for growth and leaf traits in Populus deltoides.BMC genomics · 2026Article
- Study on the positive regulation of drought tolerance by PdMYB2R032 based on R2R3-MYB gene family analysis in Populus deltoides.BMC plant biology · 2026Article
- Epigenetics in forest trees- key driver to phenotypic plasticity and adaptation under stress.Functional & integrative genomics · 2025Review
- Genome assembly and DNA methylation variation in an epimutant population of hybrid poplar clone NL895.Plant physiology · 2025Article
- Genomic selection for growth and wood properties in multi-generation hybrid populations ofHorticulture research · 2025Article
- A gap-free reference genome of Populus deltoides provides insights into karyotype evolution of Salicaceae.BMC biology · 2025Article
- Genomic Analysis Reveals the Fast-Growing Trait and Improvement Potential for Stress Resistance in the Elite Poplar VarietyInternational journal of molecular sciences · 2025Article
- Chromosome-scale and haplotype-resolved genome assembly ofHorticulture research · 2025Article
- GAPDH Gene Family inInternational journal of molecular sciences · 2025Article
- A Genome-Wide Characterization of Receptor-like Cytoplasmic Kinase IV Subfamily Members inPlants (Basel, Switzerland) · 2024Article
- Identifying hub genes and key functional modules in leaf tissue of Populus species based on WGCNA.Genetica · 2024Article
- Haplotype-resolved genome assembly of poplar line NL895 provides a valuable tree genomic resource.Forestry research · 2024Article
- Genome-Wide Analysis of the Expansin Gene Family inInternational journal of molecular sciences · 2023Article
- eYGFPuv-Assisted Transgenic Selection inPlants (Basel, Switzerland) · 2023Article
- Multi-omics research on common allergens during the ripening of pollen and poplar flocs ofFrontiers in plant science · 2023Article
- Chromosome-scale genome assembly provides insights into the molecular mechanisms of tissue development of Populus wilsonii.Communications biology · 2022Article
- Article
- Advanced Breeding for Biotic Stress Resistance in Poplar.Plants (Basel, Switzerland) · 2022Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Populus deltoides has important ecological and economic values, widely used in poplar breeding programs due to its superior characteristics such as rapid growth and resistance to disease. Although the genome sequence of P. deltoides WV94 is available, the assembly is fragmented. Here, we reported an improved chromosome-level assembly of the P. deltoides cultivar I-69 by combining Nanopore sequencing and chromosome conformation capture (Hi-C) technologies. The assembly was 429.3 Mb in size and contained 657 contigs with a contig N50 length of 2.62 Mb. Hi-C scaffolding of the contigs generated 19 chromosome-level sequences, which covered 97.4% (418 Mb) of the total assembly size. Moreover, repetitive sequences annotation showed that 39.28% of the P. deltoides genome was composed of interspersed elements, including retroelements (23.66%), DNA transposons (6.83%), and unclassified elements (8.79%). We also identified a total of 44 362 protein-coding genes in the current P. deltoides assembly. Compared with the previous genome assembly of P. deltoides WV94, the current assembly had some significantly improved qualities: the contig N50 increased 3.5-fold and the proportion of gaps decreased from 3.2% to 0.08%. This high-quality, well-annotated genome assembly provides a reliable genomic resource for identifying genome variants among individuals, mining candidate genes that control growth and wood quality traits, and facilitating further application of genomics-assisted breeding in populations related to P. deltoides.
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