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Chromosome-level genome assembly of banaba (Lagerstroemia speciosa L.)
Zhiting Wan1, Tangchun Zheng2, Ming Cai1
1Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Engineering Research Center of Landscape Environment of Ministry of Education, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture, Beijing Forestry University, Beijing, China.
Abstract:
Lagerstroemia speciosa is a famous medicinal and ornamental plant of the Lagerstroemia genus, with large and gorgeous flowers and a flowering period of 3 to 5 months. L. speciosa extracts have been used for many years in folk medicine to treat diabetes. Here, we used PacBio and Hi-C sequencing technologies to obtain a high-quality whole genome map of L. speciosa at chromosome level. The assembled genome is 306.76 Mb, with a scaffold N50 of 13.03 Mb. 98.75% of contigs were anchored to 24 pseudochromosomes, and 38.58% of the contigs (118.11 Mb) were identified as repeats. 93.54% of the 29,351 protein-coding genes were annotated. In addition, 146 miRNAs, 511 tRNAs, 2,733 rRNAs and 679 snRNAs were annotated. This high-quality genome assembly provides a valuable resource for understanding the species evolution in the Lythraceae family and promoting the study of important traits of L. speciosa.
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