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Wróbel A, Klichowska E, Nowak A, Nobis M. Alpine Extremophytes in Evolutionary Turmoil: Complex Diversification Patterns and Demographic Responses of a Halophilic Grass in a Central Asian Biodiversity Hotspot. Syst Biol 2023:syad073. [PMID: 38141222 DOI: 10.1093/sysbio/syad073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Indexed: 12/25/2023] Open
Abstract
Diversification and demographic responses are key processes shaping species evolutionary history. Yet we still lack a full understanding of ecological mechanisms that shape genetic diversity at different spatial scales upon rapid environmental changes. In this study, we examined genetic differentiation in an extremophilic grass Puccinellia pamirica and factors affecting its population dynamics among the occupied hypersaline alpine wetlands on the arid Pamir Plateau in Central Asia. Using genomic data, we found evidence of fine-scale population structure and gene flow among the localities established across the high-elevation plateau as well as fingerprints of historical demographic expansion. We showed that an increase in the effective population size could coincide with the Last Glacial Period, which was followed by the species demographic decline during the Holocene. Geographic distance plays a vital role in shaping spatial genetic structure of P. pamirica alongside with isolation-by-environment and habitat fragmentation. Our results highlight a complex history of divergence and gene flow in this species-poor alpine region during the Late Quaternary. We demonstrate that regional climate specificity and a shortage of non-climate data largely impede predictions of future range changes of the alpine extremophile using ecological niche modelling. This study emphasises the importance of fine-scale environmental heterogeneity for population dynamics and species distribution shifts.
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Affiliation(s)
- Anna Wróbel
- Institute of Botany, Faculty of Biology, Jagiellonian University, Gronostajowa 3, 30-387 Kraków, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Prof. St. Łojasiewicza 11, 30-348 Kraków, Poland
| | - Ewelina Klichowska
- Institute of Botany, Faculty of Biology, Jagiellonian University, Gronostajowa 3, 30-387 Kraków, Poland
| | - Arkadiusz Nowak
- Botanical Garden, Center for Biological Diversity Conservation, Polish Academy of Sciences, Prawdziwka 2, 02-973 Warszawa, Poland
- Botanical Garden of the Wrocław University, Sienkiewicza 23, 50-335 Wrocław, Poland
| | - Marcin Nobis
- Institute of Botany, Faculty of Biology, Jagiellonian University, Gronostajowa 3, 30-387 Kraków, Poland
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Bu X, Xia Z, Liu Z, Ren M, Wan C, Zhang L. Halomonas jincaotanensis sp. nov., isolated from the Pamir Plateau degrading polycyclic aromatic hydrocarbon. Arch Microbiol 2022; 204:398. [PMID: 35710957 DOI: 10.1007/s00203-022-03008-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 05/04/2022] [Accepted: 05/16/2022] [Indexed: 01/25/2023]
Abstract
A Gram-strain-negative, rod-shaped, aerobic bacterium, designated strain TRM 85114T, was isolated from the Jincaotan wetland in the Pamir Plateau of China. This strain grew optimally at 30 °C and pH 6.0 in the presence of 3% (w/v) NaCl. Phylogenetic analysis of 16S rRNA gene sequences revealed that strain TRM 85114T was affiliated with the genus Halomonas, and shared high sequence similarity with Halomonas korlensis XK1T (97.3%) and Halomonas tibetensis pyc13T (96.4%). Strain TRM 85114T contained C16:0 and C19:0 cyclo ω8c as primary cellular fatty acids, Q-9 as predominate respiratory quinone, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phospholipids of unknown structure containing glucosamine, unidentified aminophospholipids, unidentified lipids and three unidentified phospholipids as the major polar lipids. The complete genome of TRM 85114T comprised 3,902 putative genes with a total of 4,126,476 bp and a G + C content of 61.6%. The average nucleotide identity and digital DNA-DNA hybridization values between strain TRM 85114T and related type Halomonas strains of H. korlensis XK1T, H. tibetensis pyc13T, Chromohalobacter salexigens DSM 6768T, and Halomonas urumqiensis BZ-SZ-XJ27T were 75.4-88.9% and 22.9-39.2%, respectively. Based on phenotypic, chemotaxonomic, and molecular features, strain TRM 85114T represents a novel species of the genus Halomonas, for which the name is proposed as Halomonas jincaotanensis sp. nov.. The type strain is TRM 85114T (CCTCC AB 2021006T = LMG 32311T). The amount of 1-naphthylamine degradation by strain TRM 85114T reached up to 32.0 mg/L in 14 days.
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Affiliation(s)
- Xuying Bu
- State Key Laboratory Breeding Base for The Protection and Utilization of Biological Resources in Tarim Basin Co-funded By Xinjiang Corps and The Ministry of Science and Technology, College of Life Sciences and Technology, Tarim University, Alaer, 843300, Xinjiang, People's Republic of China
| | - Zhanfeng Xia
- State Key Laboratory Breeding Base for The Protection and Utilization of Biological Resources in Tarim Basin Co-funded By Xinjiang Corps and The Ministry of Science and Technology, College of Life Sciences and Technology, Tarim University, Alaer, 843300, Xinjiang, People's Republic of China
| | - Zhanwen Liu
- State Key Laboratory Breeding Base for The Protection and Utilization of Biological Resources in Tarim Basin Co-funded By Xinjiang Corps and The Ministry of Science and Technology, College of Life Sciences and Technology, Tarim University, Alaer, 843300, Xinjiang, People's Republic of China
| | - Min Ren
- State Key Laboratory Breeding Base for The Protection and Utilization of Biological Resources in Tarim Basin Co-funded By Xinjiang Corps and The Ministry of Science and Technology, College of Life Sciences and Technology, Tarim University, Alaer, 843300, Xinjiang, People's Republic of China.
| | - Chuanxing Wan
- State Key Laboratory Breeding Base for The Protection and Utilization of Biological Resources in Tarim Basin Co-funded By Xinjiang Corps and The Ministry of Science and Technology, College of Life Sciences and Technology, Tarim University, Alaer, 843300, Xinjiang, People's Republic of China
| | - Lili Zhang
- State Key Laboratory Breeding Base for The Protection and Utilization of Biological Resources in Tarim Basin Co-funded By Xinjiang Corps and The Ministry of Science and Technology, College of Life Sciences and Technology, Tarim University, Alaer, 843300, Xinjiang, People's Republic of China
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Wang MY, Zhang CJ, Mi CR, Han L, Li ML, Xu WX, Yang WK. [Potential impacts of climate change on suitable habitats of Marco Polo sheep in China]. Ying Yong Sheng Tai Xue Bao 2021; 32:3127-3135. [PMID: 34658197 DOI: 10.13287/j.1001-9332.202109.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Climate change may lead to biodiversity loss and species extinction. Understanding the impacts of climate change on the distribution pattern of endangered species is of great value to the identification of priority reserves and the formulation of relevant conservation strategies. Based on the distribution data of Marco Polo sheep (Ovis ammon polii) obtained from the field survey in Taxkorgan Nature Reserve (TNR) in Xinjiang during 2017-2018, the maximum entropy (MaxEnt) model was used to predict the distribution pattern of its suitable habitat under climate change. The results showed that the suitable habitat of Marco Polo sheep was mainly distributed in the northwest of the TNR, with temperature as the key factor affecting its suitable habitat distribution. Under the medium and high emission concentration (RCP4.5 and RCP8.5), the suitable habitat area of Marco Polo sheep would decrease in the next two periods (2050s and 2070s), with the loss rate of suitable habitat being as high as 40.5%. The loss of suitable habitat was mainly located in the low-altitude area, while the area of suitable habitat increased correspondingly in the high-altitude area. The area of suitable habitat from low elevation to high elevation increased with the increases of greenhouse gas emission concentration. According to the results of centroid transfer, the suitable habitat was mainly moved to the west, namely Tajikistan, the main distribution country of Marco Polo sheep.
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Affiliation(s)
- Mu-Yang Wang
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Specimen Museum of Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Mori Wildlife Monitoring and Experimentation Station, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Mori 831900, Xinjiang, China
| | - Chu-Jie Zhang
- General Grassland Station of Xinjiang, Urumqi 830049, China
| | - Chun-Rong Mi
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Lei Han
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Specimen Museum of Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Mori Wildlife Monitoring and Experimentation Station, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Mori 831900, Xinjiang, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mei-Ling Li
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Specimen Museum of Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
| | - Wen-Xuan Xu
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Specimen Museum of Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Mori Wildlife Monitoring and Experimentation Station, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Mori 831900, Xinjiang, China
| | - Wei-Kang Yang
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Specimen Museum of Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.,Mori Wildlife Monitoring and Experimentation Station, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Mori 831900, Xinjiang, China
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