Abstract

Medicago archiducis-nicolai Sirj. is a well-known high-quality forage as its good palatability and strong tolerance to drought, cold and saline-alkali stress. Here, the complete chloroplast genome sequence of M. archiducis-nicolai was reported. The size of the complete chloroplast genome is 127,072 bp in length. The chloroplast genome has no inverted repeat (IR) regions, which is very common in the family Fabaceae. The M. archiducis-nicolai chloroplast genome encodes 106 genes: 72 protein-coding genes, 30 tRNAs, and 4 rRNAs. The phylogenetic analysis result strongly suggested that M. archiducis-nicolai is a distinct lineage in Medicago, being sister to highly supported clade composed of three species (M. hybrida, M. papillosa and M. sativa).

Highlights

  • Medicago archiducis-nicolai Sirj. is a well-known high-quality forage as its good palatability and strong tolerance to drought, cold and saline-alkali stress

  • It is the only perennial wild alfalfa that can survive the winter in the natural alpine grassland of Qinghai Tibet Plateau (Jin et al 2013)

  • The complete chloroplast genome of M. archiducis-nicolai was extracted from the dried leaves with a modified CTAB method

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Summary

Introduction

Medicago archiducis-nicolai Sirj. is a well-known high-quality forage as its good palatability and strong tolerance to drought, cold and saline-alkali stress. KEYWORDS Medicago archiducis-nicolai; chloroplast genome; Fabaceae; phylogenetic analysis Medicago archiducis-nicolai is mainly distributed in Qinghai, Tibet, and adjacent to high-altitude areas.

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Conclusion

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