Acknowledgement
Our study was supported by a research project (Population genetic study of Saussurea dorogostaiskii in Khuvsgul region; Grant P2019-3758) of National University of Mongolia, Mongolia, Korea National Arboretum, Republic of Korea (A study on the distribution of vascular plants in Mongolia; Grant KNA1-2-38, 20-5), and the University of Vermont, USA (Ian Worley Award and the Simon Family Public Research Fellowship). We are grateful to Tsegmed Z. for his assistance with the geographical map. We also thank Tumursukh J., Davaasuren B., Byambaa, Batzaya, Nyam-Ochir D., Tsogoo, Darmaabazar U. and UTPAA employees and rangers for their helpful communication assistance during our field study.
References
- Addinsoft, 2021. XLSTAT statistical and data analysis solution, version 7.0. Long Island, New York, USA.
- Akshay, K. R., N. Sudharani, K. B. Anjali and T. M. Deepak. 2014. Biodiversity and strategies for conservation of rare, endangered and threatened medicinal plants. Research & Reviews: Journal of Pharmacognosy and Phytochemistry 2: 12-20.
- Baasanmunkh, S., M. Urgamal, B. Oyuntsetseg, A. P. Sukhorukov, Z. Tsegmed, D. C. Son, A. Erst, K. Oyundelger, A. A. Kechaykin, J. Norris, P. Kosachev, J.-S. Ma, K. S. Chang and H. J. Choi. 2022. Flora of Mongolia: annotated checklist of native vascular plants. PhytoKeys 192: 63-169. https://doi.org/10.3897/phytokeys.192.79702
- Barrett, S. C. H. and J. R. Kohn. 1991. Genetic and evolutionary consequences of small population size in plants: implications for conservation. In Genetics and Conservation of Rare Plants. Falk, D. A. and K. E. Holsinger (eds.), Oxford University Press, New York. Pp. 3-30.
- Barrett, R. D. H. and D. Schluter. 2008. Adaptation from standing genetic variation. Trends in Ecology and Evolution 23: 38-44. https://doi.org/10.1016/j.tree.2007.09.008
- Boikov, T. G. 2009. Functioning of rare plant populations of Central Siberia. Contemporary Problems of Ecology 2: 444-450. https://doi.org/10.1134/S1995425509050099
- Bornet, B. and M. Branchard. 2001. Nonanchored inter simple sequence repeat (ISSR) markers: reproducible and specific tools for genome fingerprinting. Plant Molecular Biology Reporter 19: 209-215. https://doi.org/10.1007/BF02772892
- Chen, J. and Y.-J. Wang. 2018. New Saussurea (Asteraceae) species from Bogeda Mountain, eastern Tianshan, China, and inference of its evolutionary history and medical usage. PLoS ONE 13: e0199416.
- Clark, J. K. 2014. Modeling late prehistoric and early historic pastoral adaptations in northern Mongolia's Darkhad Depression. PhD dissertation, University of Pittsburgh, Pittsburgh, PA, USA, 275 pp.
- Coates, D. J., M. Byrne and C. Moritz. 2018. Genetic diversity and conservation units: Dealing with the species-population continuum in the age of genomics. Frontiers in Ecology and Evolution 6: 165.
- Dashzeveg, N., A. Buerkert and M. Wiehle. 2017. Morphological and genetic diversity and seed germination behavior of a snow lotus (Saussurea involucrata, Asteraceae) from the Mongolian Altay Mountains, Western Mongolia. Genetic Resources and Crop Evolution 64: 927-934. https://doi.org/10.1007/s10722-016-0412-1
- Doyle, J. J. and J. L. Doyle. 1987. A rapid DNA isolation procedure for small quantities of fresh leaf tissue. Phytochemical Bulletin 19: 11-15.
- Ellstrand, N. C. and D. R. Elam. 1993. Population genetic consequences of small population size: Implications for plant conservation. Annual review of Ecology and Systematics 24: 217-242. https://doi.org/10.1146/annurev.es.24.110193.001245
- Elshire, R. J., J. C. Glaubitz, Q. Sun, J. A. Poland, K. Kawamoto, E. S. Buckler and S. E. Mitchell. 2011. A robust, simple genotyping-by-sequencing (GBS) approach for high diversity species. PLoS ONE 6: e19379.
- Gailite, A., G. Ievinsh and D. Runģis. 2011. Genetic diversity analysis of Latvian and Estonian Saussurea esthonica populations. Environmental and Experimental Biology 9: 115-119.
- Godhe, A. and T. Rynearson. 2017. The role of intraspecific variation in the ecological and evolutionary success of diatoms in changing environments. Philosophical Transactions of the Royal Society B: Biological Sciences 372: 20160399.
- Hamrick, J. L., M. J. W. Godt and S. L. Sherman-Broyles. 1995. Gene flow among plant population: Evidence from genetic markers. In Experimental and Molecular Approaches to Plant Biosystematics. Hoch, P. C. and A. G. Stephenson (eds.), Missouri Botanical Garden Press, St. Louis, MO. Pp. 215-232.
- Ismail, N. A., M. Y. Rafii, T. M. M. Mahmud, M. M. Hanafi and G. Miah. 2019. Genetic diversity of torch ginger (Etlingera elatior) germplasm revealed by ISSR and SSR markers. BioMed Research International 2019: 5904804.
- Jeong, J. H., B. C. Lee, K. O. Yoo, S. K. Jang and Z. S. Kim. 2012. Influence of small-scale habitat patchiness on the genetic diversity of the Korean endemic species Saussurea chabyoungsanica (Asteraceae). Biochemical Systematics and Ecology 43: 14-24. https://doi.org/10.1016/j.bse.2012.02.015
- Joshi, S. P., V. S. Gupta, R. K. Aggarwal, P. K. Ranjekar and D. S. Brar. 2000. Genetic diversity and phylogenetic relationship as revealed by inter simple sequence repeat (ISSR) polymorphism in the genus Oryza. Theoretical and Applied Genetics 100: 1311-1320. https://doi.org/10.1007/s001220051440
- Krasnoborov, I. M. 1984. Key to Plants of the Tuva ASSR. Nauka Publisher, Novosibirsk, 335 pp. (in Russian)
- Kreuzer, M., A. Tribsch and R. Nyffeler. 2014. Ecological and genetic differentiation of two subspecies of Saussurea alpina in the Western Alps. Alpine Botany 124: 49-58. https://doi.org/10.1007/s00035-014-0128-9
- Law, W. and J. Salick. 2005. Human-induced dwarfing of Himalayan snow lotus, Saussurea laniceps (Asteraceae). Proceedings of the National Academy of Sciences of the United States of America 102: 10218-10220. https://doi.org/10.1073/pnas.0502931102
- Li, S., X. Gan, H. Han, X. Zhang and Z. Tian. 2018. Low withinpopulation genetic diversity and high genetic differentiation among populations of the endangered plant Tetracentron sinense Oliver revealed by inter-simple sequence repeat analysis. Annals of Forest Science 75: 74.
- Margules, C. R. and R. L. Pressey. 2000. Systematic conservation planning. Nature 405: 243-253. https://doi.org/10.1038/35012251
- Mustafina, F. U., E. H. Kim, S.-W. Son, O. T. Turginov, K. S. Chang and K. Choi. 2017. Assessment of genetic diversity of Prangos fedtschenkoi (Apiaceae) and its conservation status based on ISSR markers. Korean Journal of Plant Taxonomy 47: 11-22. https://doi.org/10.11110/kjpt.2017.47.1.11
- Nagaoka, T. and Y. Ogihara. 1997. Applicability of inter-simple sequence repeat polymorphisms in wheat for use as DNA markers in comparison to RFLP and RAPD markers. Theoretical and Applied Genetics 94: 597-602. https://doi.org/10.1007/s001220050456
- Nei, M. 1978. Estimation of average heterozygosity and genetic distance from a small number of individuals. Genetics 89: 583-590. https://doi.org/10.1093/genetics/89.3.583
- Norris, J., N. Nudkhuu, T. Jal, L. Davaajii, D. Buyanjargal, N.-O. Dvvjii, B. Ornobish, B. Erdenebat and T. Ornobish. 2020. Synthesis of the local knowledge and ecology of vansemberuu (Saussurea dorogostaiskii Palib.) for conservation, Darkhad Valley, Khuvsgul, Mongolia. UVM Honors College Senior Theses. No. 358. UVM ScholarWorks, 75 pp.
- Nybom, H. 2004. Comparison of different nuclear DNA markers for estimating intraspecific genetic diversity in plants. Molecula Ecology 13: 1143-1155. https://doi.org/10.1111/j.1365-294X.2004.02141.x
- Peakall, R. and P. E. Smouse. 2012. GenAlEx 6.5: Genetic analysis in Excel. Population genetic software for teaching and research: An update. Bioinformatics 28: 2537-2539. https://doi.org/10.1093/bioinformatics/bts460
- Prevost, A. and M. J. Wilkinson. 1999. A new system of comparing PCR primers applied to ISSR fingerprinting of potato cultivars. Theoretical and Applied Genetics 98: 107-112. https://doi.org/10.1007/s001220051046
- Roldan-Ruiz, I., J. Dendauw, E. Van Bockstaele, A. Depicker and M. De Loose. 2000. AFLP markers reveal high polymorphic rates in ryegrasses (Lolium spp.). Molecular Breeding 6: 125-134. https://doi.org/10.1023/A:1009680614564
- Semwal, P., S. Painuli, A. Jugran, L. M. S. Palni, S. Verma, A. Thapliyal and D. Tewari. 2020. Genetic diversity of scanty available Himalayan Saussurea obvallata (DC.) Edgew. Iranin Journal of Science and Technology, Transactions A: Science 44: 587-594. https://doi.org/10.1007/s40995-020-00862-y
- Sharma, S., R. Sharma, P. Sharma, K. Thakur and B. Dutt. 2019. Direct shoot organogenesis from seedling derived shoot tip explants of endangered medicinal plant Saussurea costus (Falc.) Lipsch. Proceedings of the National Academy of Sciences India Section B: Biological Sciences 89: 755-764. https://doi.org/10.1007/s40011-018-0983-z
- Suyama, Y. and Y. Matsuki. 2015. MIG-seq: An effective PCRbased method for genome-wide single-nucleotide polymorphism genotyping using the next-generation sequencing platform. Scientific Reports 5: 16963.
- Varshney, R. K., K. Chabane, P. S. Hendre, R. K. Aggarwal and A. Graner. 2007. Comparative assessment of EST-SSR, EST-SNP and AFLP markers for evaluation of genetic diversity and conservation of genetic resources using wild, cultivated and elite barleys. Plant Science 173: 638-649. https://doi.org/10.1016/j.plantsci.2007.08.010
- Venkatesan, J., V. Ramu, T. Sethuraman, C. Sivagnanam and G. Doss. 2021. Molecular marker for characterization of traditional and hybrid derivatives of Eleusine coracana (L.) using ISSR marker. Journal of Genetic Engineering and Biotechnology 19: 178.
- Von Raab-Straube, E. 2017. Taxonomic revision of Saussurea subgenus Amphilaena (Compositae, Cardueae). Englera 34: 1-274.
- Wang, M. X., H. L. Zhang, D. L. Zhang, Y. W. Qi, Z. L. Fan, D. Y. Li, D. J. Pan, Y. S. Cao, Z. E. Qiu, P. Yu, Q. W. Yang, X. K. Wang and Z. C. Li. 2008. Genetic structure of Oryza rufipogon Griff. in China. Heredity 101: 527-535. https://doi.org/10.1038/hdy.2008.61
- Yan, W., J. Li, D. Zheng, C. Friedman and H. Wang. 2019. Analysis of genetic population structure and diversity in Mallotus oblongifolius using ISSR and SRAP markers. PeerJ 7: e7173.
- Yeh, C. F., R. C. Yang and T. Boyle. 1991. POPGENE: Microsof Windows-Based Freeware for Population Genetics Analysis, Version 1.31. University of Alberta and Centre for International Forestry Research, Alberta, Canada.
- Yun, S. A. and S.-C. Kim. 2021. Genetic diversity and structure of Saussurea polylepis (Asteraceae) on continental islands of Korea: Implications for conservation strategies and management. PLoS ONE 16: e0249752.
- Yuan, X. F., Z. H. Dai, X. D. Wang and B. Zhao. 2009. Assessment of genetic stability in tissue-cultured products and seedlings of Saussurea involucrata by RAPD and ISSR markers. Biotechnology Letters 31: 1279-1287. https://doi.org/10.1007/s10529-009-9984-6
- Zhang, L.-J. and S.-L. Dai. 2010. Genetic variation within and among populations of Orychophragmus violaceus (Cruciferae) in China as detected by ISSR analysis. Genetic Resources and Crop Evolution 57: 55-64. https://doi.org/10.1007/s10722-009-9450-2