Climate heterogeneity shapes phylogeographic pattern of <i>Hippophae gyantsensis</i> (Elaeagnaceae) in the east Himalaya‐Hengduan Mountains

Xu, Tao; Qiong, La; Yonezawa, Takahiro; Huang, Xinyi; Sun, Kun; Song, Zhiping; Wang, Yuguo; Bartish, Igor V.; Zhang, Wen‐Ju; Cheng, Shanmei

doi:10.1002/ece3.10182

Ecology and Evolution

2023

DOI: 10.1002/ece3.10182

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Climate heterogeneity shapes phylogeographic pattern of Hippophae gyantsensis (Elaeagnaceae) in the east Himalaya‐Hengduan Mountains

Tao Xu

La Qiong

Takahiro Yonezawa

et al.

Abstract: The interaction of recent orographic uplift and climate heterogeneity acted as a key role in the East Himalaya-Hengduan Mountains (EHHM) has been reported in many studies. However, how exactly the interaction promotes clade diversification remains poorly understood. In this study, we both used the chloroplast trnT-trnF region and 11 nuclear microsatellite loci to investigate the phylogeographic structure and popu-

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2024

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Cited by 2 publications

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Chromosome-level genome assembly of Hippophae gyantsensis

Chen,

Yang,

Yang

et al. 2024

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Hippophae gyantsensis, which is a native tree species in China, is ideal for windbreak and sand-fixing forests. It is an economically and ecologically valuable tree species distributed exclusively in the Qinghai-Tibet Plateau in China. In our study, we assembled a chromosome-level genome of H. gyantsensis using Illumina sequencing, Nanopore sequencing and chromosome structure capture technique. The genome was 716.32 Mb in size with scaffold N50 length of 64.84 Mb. A total of 716.25 Mb genome data was anchored and orientated onto 12 chromosomes with a mounting rate of up to 99.99%. Additionally, the genome was found to comprise approximately 56.84% repeat sequences, of which long terminal repeats(LTRs) that accounted for 33.19% of the entire genome. Meanwhile, a total of 32,316 protein-coding genes were predicted, and 91.07% of these genes were functionally annotated. We also completed a series of comparative genomic analyses to provide researchers with useful reference material for future studies on seabuckthorn.

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Chromosome-level genome assembly of Hippophae gyantsensis

Chen,

Yang,

Yang

et al. 2024

Sci Data

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Development of sex-specific molecular markers for early sex identification in Hippophae gyantsensis based on whole-genome resequencing

Zeng,

Wang,

Tian

et al. 2024

BMC Plant Biol

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Hippophae gyantsensis is a dioecious plant endemic to the Qinghai-Tibet Plateau and is significant for ecological restoration and sand stabilization. Its fruit is rich in bioactive compounds that offer economic potential. However, the inability to distinguish sexes before flowering and prolonged maturation hinder breeding and cultivation. We performed whole-genome resequencing on male and female plants, identified large insertion/deletion (InDel) variants, and developed two sex-specific primers (Higy_04 and Higy_06). These primers enable rapid, accurate PCR-based sex identification. All sex-specific sites were located on chromosome 2, suggesting its potential role as the sex chromosome. Additionally, we found a 1:1 sex ratio among offspring from the same mother plant, consistent with Mendelian inheritance, indicating that sex segregation is mainly genetically controlled. This work lays the foundation for developing molecular markers applicable across the entire genus Hippophae and contributes to understanding sex chromosome formation and adaptive evolution within the genus. Supplementary Information The online version contains supplementary material available at 10.1186/s12870-024-05978-6.

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Climate heterogeneity shapes phylogeographic pattern of Hippophae gyantsensis (Elaeagnaceae) in the east Himalaya‐Hengduan Mountains

Cited by 2 publications

References 117 publications

Chromosome-level genome assembly of Hippophae gyantsensis

Chromosome-level genome assembly of Hippophae gyantsensis

Development of sex-specific molecular markers for early sex identification in Hippophae gyantsensis based on whole-genome resequencing

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