Dataset Information

Haplotype-resolved chromosomal-level genome assembly of Buzhaye (Microcos paniculata).

ABSTRACT: Microcos paniculata is a shrub used traditionally as folk medicine and to make herbal teas. Previous research into this species has mainly focused on its chemical composition and medicinal value. However, the lack of a reference genome limits the study of the molecular mechanisms of active compounds in this species. Here, we assembled a haplotype-resolved chromosome-level genome of M. paniculata based on PacBio HiFi and Hi-C data. The assembly contains two haploid genomes with sizes 399.43 Mb and 393.10 Mb, with contig N50 lengths of 43.44 Mb and 30.17 Mb, respectively. About 99.93% of the assembled sequences could be anchored to 18 pseudo-chromosomes. Additionally, a total of 482 Mb repeat sequences were identified, accounting for 60.76% of the genome. A total of 49,439 protein-coding genes were identified, of which 48,979 (99%) were functionally annotated. This haplotype-resolved chromosome-level assembly and annotation of M. paniculata will serve as a valuable resource for investigating the biosynthesis and genetic basis of active compounds in this species, as well as advancing evolutionary phylogenomic studies in Malvales.

SUBMITTER: Liu D

PROVIDER: S-EPMC10724166 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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Haplotype-resolved chromosomal-level genome assembly of Buzhaye (Microcos paniculata).

Liu Detuan D Tian Xiaoling X Shao Shicheng S Ma Yongpeng Y Zhang Rengang R

Scientific data 20231215 1

Microcos paniculata is a shrub used traditionally as folk medicine and to make herbal teas. Previous research into this species has mainly focused on its chemical composition and medicinal value. However, the lack of a reference genome limits the study of the molecular mechanisms of active compounds in this species. Here, we assembled a haplotype-resolved chromosome-level genome of M. paniculata based on PacBio HiFi and Hi-C data. The assembly contains two haploid genomes with sizes 399.43 Mb an ...[more]

PMID: 38102170

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Project description:BackgroundIn this study, we present an in-depth analysis of the Eurasian minnow (Phoxinus phoxinus) genome, highlighting its genetic diversity, structural variations, and evolutionary adaptations. We generated an annotated haplotype-phased, chromosome-level genome assembly (2n = 50) by integrating high-fidelity (HiFi) long reads and chromosome conformation capture data (Hi-C).ResultsWe achieved a haploid size of 940 megabase pairs (Mbp) for haplome 1 and 929 Mbp for haplome 2 with high scaffold N50 values of 36.4 Mb and 36.6 Mb and BUSCO scores of 96.9% and 97.2%, respectively, indicating a highly complete genome assembly. We detected notable heterozygosity (1.43%) and a high repeat content (approximately 54%), primarily consisting of DNA transposons, which contribute to genome rearrangements and variations. We found substantial structural variations within the genome, including insertions, deletions, inversions, and translocations. These variations affect genes enriched in functions such as dephosphorylation, developmental pigmentation, phagocytosis, immunity, and stress response. In the annotation of protein-coding genes, 30,980 messenger RNAs and 23,497 protein-coding genes were identified with a high completeness score, which further underpins the high contiguity of our genome assemblies. We performed a gene family evolution analysis by comparing our proteome to 10 other teleost species, which identified immune system gene families that prioritize histone-based disease prevention over NB-LRR-related-based immune responses. Additionally, demographic analysis indicates historical fluctuations in the effective population size of P. phoxinus, likely correlating with past climatic changes.ConclusionsThis annotated, phased reference genome provides a crucial resource for resolving the taxonomic complexity within the genus Phoxinus and highlights the importance of haplotype-phased assemblies in understanding haplotype diversity in species characterized by high heterozygosity.

Dataset Information

Haplotype-resolved chromosomal-level genome assembly of Buzhaye (Microcos paniculata).

Publications

Haplotype-resolved chromosomal-level genome assembly of Buzhaye (Microcos paniculata).

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