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Pan D, Shi Y, Huang M, Li X, Wang Z, Zhang Y, Sun H, Wang Z. Physiological indices and liver gene expression related to glucose supply in Brandt's vole (Lasiopodomys brandtii) exhibit species- and oxygen concentration-specific responses to hypoxia. Comp Biochem Physiol B Biochem Mol Biol 2024; 270:110911. [PMID: 37898361 DOI: 10.1016/j.cbpb.2023.110911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
Brandt's vole (Lasiopodomys brandtii) is a species with hypoxia tolerance, and glucose serves as the primary energy substrate under hypoxia. However, the glucose supply in Brandt's voles under hypoxia has not been studied. This study aimed to investigate characteristics in physiological indices and liver gene expression associated with glucose supply in Brandt's voles under hypoxia. Serum glucose of Brandt's voles remained stable under 10% O2, increased under 7.5% O2, and decreased under 5% O2. Serum lactate increased under 10% O2, decreased under 7.5% O2, increased at 6 h and decreased at 12 h under 5% O2. Liver glycogen increased under 10% O2, remained constant under 7.5% O2, and reduced under 5% O2. Pepck and G6pase expression associated with gluconeogenesis decreased under 10% O2, while Pepck expression decreased and G6pase expression increased under 7.5% and 5% O2. Regarding genes related to glycogen metabolism, Gys expression decreased at all oxygen concentrations, Phk expression increased under 5% O2, and Gp expression increased under 7.5% and 5% O2. The alterations in glucose, lactate, liver glycogen, and gene expression related to glycogenolysis in Kunming mice (Mus musculus, control species) are similar to discovery of Brandt's voles under 7.5% O2, but gene expression involved in gluconeogenesis and glycogen synthesis increased. The findings suggest that Brandt's voles are more tolerant to hypoxia than Kunming mice, and their physiological indices and liver gene expression related to glucose supply exhibit species- and oxygen concentration-specific responses to hypoxia. This research offers novel insights for studying hypoxia tolerance of Brandt's voles.
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Affiliation(s)
- Dan Pan
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Yuhua Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Maolin Huang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Xiujuan Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Zishi Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Yifeng Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Hong Sun
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China; Centre for Nutritional Ecology, Zhengzhou University, Zhengzhou, Henan Province, PR China.
| | - Zhenlong Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China.
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Pan D, Wang J, Li M, Qiao C, Zhang Y, Shao T, Sun H, Wang Z. Changes in gene expression and enzyme activity related to glucose metabolism in the livers of Brandt's voles (Lasiopodomys brandtii) exposed to hypoxia. Comp Biochem Physiol A Mol Integr Physiol 2023; 279:111384. [PMID: 36738876 DOI: 10.1016/j.cbpa.2023.111384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 01/30/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
Brandt's vole (Lasiopodomys brandtii) is a hypoxia-tolerant species, and the metabolic characteristics of hypoxia-tolerant species have become a focus of recent research. However, insights into the anaerobic and aerobic metabolism of the livers of Brandt's voles under hypoxia remain limited. In this study, Brandt's voles and hypoxia-intolerant Kunming mice (Mus musculus, control species) were exposed to hypoxia conditions (Brandt's voles, 10% and 7.5% O2; Kunming mice, 10% O2) for 24 h, and changes in gene expression and enzyme activity related to anaerobic and aerobic metabolism in the livers were evaluated. Phosphofructokinase 1 (PFK1), phosphofructokinase 2 (PFK2), pyruvate kinase muscle (PKM), hexokinase 2 (HK2), and lactate dehydrogenase (LDH) related to anaerobic metabolism in the livers of Brandt's voles were increased under 7.5% O2. Regarding gene expression and enzyme activity for aerobic metabolism in Brandt's voles under 7.5% and 10% O2, pyruvate dehydrogenase kinase 1 (PDK1) expression was up-regulated, and succinate dehydrogenase (SDH) activity was decreased. In the livers of Kunming mice, gene expression related to anaerobic and aerobic metabolism was increased at the late stage of 10% O2, and SDH activity was enhanced at 6 h and reduced at 18 h. In addition, PFK1,PKM, PDK1 expression and SDH activity in Brandt's voles were significantly correlated with HIF-1a expression. PFK1, PKM, LDHand PDK1 expression in Kunming mice were significantly correlated with HIF-1a expression. These findings indicate that the livers of Brandt's voles have a certain tolerance to hypoxia, and metabolic changes play important roles in hypoxia tolerance.
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Affiliation(s)
- Dan Pan
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Jingou Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Mengke Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Congcong Qiao
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Yifeng Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Tian Shao
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Hong Sun
- Centre for Nutritional Ecology, Zhengzhou University, Zhengzhou, Henan Province, PR China.
| | - Zhenlong Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China.
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Lin J, Yang Q, Guo J, Li M, Hao Z, He J, Li J. Gut Microbiome Alterations and Hepatic Metabolic Flexibility in the Gansu Zokor, Eospalax cansus: Adaptation to Hypoxic Niches. Front Cardiovasc Med 2022; 9:814076. [PMID: 35402538 PMCID: PMC8984292 DOI: 10.3389/fcvm.2022.814076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 02/17/2022] [Indexed: 11/13/2022] Open
Abstract
The Gansu zokor (Eospalax cansus), a typical subterranean rodent endemic to the Chinese Loess Plateau, spends almost its whole life in its self-constructed underground burrows and has strong adaptability to ambient hypoxia. Energy adaptation is the key to supporting hypoxia tolerance, and recent studies have shown that the intestinal microbiota has an evident effect on energy metabolism. However, how the gut microbiome of Gansu zokor will change in response to hypoxia and the metabolic role played by the microbiome have not been reported. Thus, we exposed Gansu zokors to severe hypoxia of 6.5% of O2 (6 or 44 h) or moderate hypoxia of 10.5% of O2 (44 h or 4 weeks), and then analyzed 16S rRNA sequencing, metagenomic sequencing, metagenomic binning, liver carbohydrate metabolites, and the related molecular levels. Our results showed that the hypoxia altered the microbiota composition of Gansu zokor, and the relative contribution of Ileibacterium to carbohydrate metabolism became increased under hypoxia, such as glycolysis and fructose metabolism. Furthermore, Gansu zokor liver enhanced carbohydrate metabolism under the short-term (6 or 44 h) hypoxia but it was suppressed under the long-term (4 weeks) hypoxia. Interestingly, under all hypoxia conditions, Gansu zokor liver exhibited enhanced fructose-driven metabolism through increased expression of the GLUT5 fructose transporter, ketohexokinase (KHK), aldolase B (ALDOB), and aldolase C (ALDOC), as well as increased KHK enzymatic activity and fructose utilization. Overall, our results suggest that the altered gut microbiota mediates the carbohydrate metabolic pattern under hypoxia, possibly contributing to the hepatic metabolic flexibility in Gansu zokor, which leads to better adaptation to hypoxic environments.
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Melatonin secretion, molecular expression and evolution of MT1/2 in two Lasiopodomys species. Mamm Biol 2022. [DOI: 10.1007/s42991-021-00204-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Li M, Pan D, Sun H, Zhang L, Cheng H, Shao T, Wang Z. The hypoxia adaptation of small mammals to plateau and underground burrow conditions. Animal Model Exp Med 2021; 4:319-328. [PMID: 34977483 PMCID: PMC8690988 DOI: 10.1002/ame2.12183] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 09/08/2021] [Indexed: 12/19/2022] Open
Abstract
Oxygen is one of the important substances for the survival of most life systems on the earth, and plateau and underground burrow systems are two typical hypoxic environments. Small mammals living in hypoxic environments have evolved different adaptation strategies, which include increased oxygen delivery, metabolic regulation of physiological responses and other physiological responses that change tissue oxygen utilization. Multi-omics predictions have also shown that these animals have evolved different adaptations to extreme environments. In particular, vascular endothelial growth factor (VEGF) and erythropoietin (EPO), which have specific functions in the control of O2 delivery, have evolved adaptively in small mammals in hypoxic environments. Naked mole-rats and blind mole-rats are typical hypoxic model animals as they have some resistance to cancer. This review primarily summarizes the main living environment of hypoxia tolerant small mammals, as well as the changes of phenotype, physiochemical characteristics and gene expression mode of their long-term living in hypoxia environment.
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Affiliation(s)
- Mengke Li
- School of Life SciencesZhengzhou UniversityZhengzhouP.R. China
| | - Dan Pan
- School of Life SciencesZhengzhou UniversityZhengzhouP.R. China
| | - Hong Sun
- School of Life SciencesZhengzhou UniversityZhengzhouP.R. China
- Centre for Nutritional EcologyZhengzhou UniversityZhengzhouP.R. China
| | - Lei Zhang
- School of Life SciencesZhengzhou UniversityZhengzhouP.R. China
| | - Han Cheng
- School of Life SciencesZhengzhou UniversityZhengzhouP.R. China
| | - Tian Shao
- School of Life SciencesZhengzhou UniversityZhengzhouP.R. China
| | - Zhenlong Wang
- School of Life SciencesZhengzhou UniversityZhengzhouP.R. China
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Shi L, Chen B, Wang X, Huang M, Qiao C, Wang J, Wang Z. Antioxidant response to severe hypoxia in Brandt's vole Lasiopodomys brandtii. Integr Zool 2021; 17:581-595. [PMID: 34713576 DOI: 10.1111/1749-4877.12602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The antioxidant defense system is essential for animals to cope with homeostasis disruption and overcome oxidative stress caused by adverse environmental conditions such as hypoxia. However, our understanding of how this system works in subterranean rodents remains limited. In this study, Brandt's vole Lasiopodomys brandtii was exposed to normoxia (21% O2 ) or hypoxia (mild or severe hypoxia: 10% or 5% O2 ) for 6 h. Changes in key enzymes of the classic enzymatic antioxidant system at both mRNA and enzyme activity levels, and tissue antioxidant levels of the low-molecular-weight antioxidant system were determined in brain, liver, and kidney. Transcript levels of the upstream regulator NF-E2-related factor 2 (Nrf2) were also measured. We found that the mRNA expression of Nrf2 and its downstream antioxidant enzyme genes in L. brandtii were relatively conserved in response to hypoxia in most tissues and genes tested, except in the liver. Hepatic Nrf2, Cu/Zn SOD, GPx1, and GPx3 levels were significantly upregulated in response to mild hypoxia, whereas Mn SOD level decreased significantly in severe hypoxia. Unmatched with changes at the RNA level, constitutively high and relatively stable antioxidant enzyme activities were maintained throughout. For the low-molecular-weight antioxidant system, an abrupt increase of cerebral ascorbic acid (AA) levels in hypoxia indicated a tissue-specific antioxidant response. Although hypoxia did not cause significant oxidative damage in most tissues tested, the significant decrease in antioxidant enzyme activities (GPX and GR) and increase in lipid peroxidation in the kidney suggest that prolonged hypoxia may pose a critical threat to this species.
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Affiliation(s)
- Luye Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Bojian Chen
- College of Environmental Science and Engineering, Tongji University, Shanghai, China.,Jiaxing-Tongji Environmental Research Institute, Jiaxing, China
| | - Xinrui Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Maolin Huang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Congcong Qiao
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Jingou Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhenlong Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China.,Centre for Nutritional Ecology, Zhengzhou University, Zhengzhou, China
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Hao Z, Xu L, Zhao L, He J, Li G, Li J. Transcriptome analysis of the liver of Eospalax fontanierii under hypoxia. PeerJ 2021; 9:e11166. [PMID: 33981491 PMCID: PMC8071069 DOI: 10.7717/peerj.11166] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 03/05/2021] [Indexed: 12/24/2022] Open
Abstract
Hypoxia can induce cell damage, inflammation, carcinogenesis, and inhibit liver regeneration in non-adapted species. Because of their excellent hypoxia adaptation features, subterranean rodents have been widely studied to clarify the mechanism of hypoxia adaptation. Eospalax fontanierii, which is a subterranean rodent found in China, can survive for more than 10 h under 4% O2 without observable injury, while Sprague-Dawley rats can survive for less than 6 h under the same conditions. To explore the potential mechanism of hypoxia responses in E. fontanierii, we performed RNA-seq analysis of the liver in E. fontanierii exposed to different oxygen levels (6.5% 6h, 10.5% 44h, and 21%). Based on the bioinformatics analysis, 39,439 unigenes were assembled, and 56.78% unigenes were annotated using public databases (Nr, GO, Swiss-Prot, KEGG, and Pfam). In total, 725 differentially expressed genes (DEGs) were identified in the response to hypoxia; six with important functions were validated by qPCR. Those DEGs were mainly involved in processes related to lipid metabolism, steroid catabolism, glycolysis/gluconeogenesis, and the AMPK and PPAR signaling pathway. By analyzing the expression patterns of important genes related to energy associated metabolism under hypoxia, we found that fatty acid oxidation and gluconeogenesis were increased, while protein synthesis and fatty acid synthesis were decreased. Furthermore, the upregulated expression of specific genes with anti-apoptosis or anti-oxidation functions under hypoxia may contribute to the mechanism by which E. fontanierii tolerates hypoxia. Our results provide an understanding of the response to hypoxia in E. fontanierii, and have potential value for biomedical studies.
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Affiliation(s)
- Zhiqiang Hao
- College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Lulu Xu
- College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Li Zhao
- College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Jianping He
- College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Guanglin Li
- College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Jingang Li
- College of Life Science, Shaanxi Normal University, Xi'an, China
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Shi L, Liu L, Li X, Wu Y, Tian X, Shi Y, Wang Z. Phylogeny and evolution of Lasiopodomys in subfamily Arvivolinae based on mitochondrial genomics. PeerJ 2021; 9:e10850. [PMID: 33777513 PMCID: PMC7977381 DOI: 10.7717/peerj.10850] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 01/06/2021] [Indexed: 01/02/2023] Open
Abstract
The species of Lasiopodomys Lataste 1887 with their related genera remains undetermined owing to inconsistent morphological characteristics and molecular phylogeny. To investigate the phylogenetic relationship and speciation among species of the genus Lasiopodomys, we sequenced and annotated the whole mitochondrial genomes of three individual species, namely Lasiopodomys brandtii Radde 1861, L. mandarinus Milne-Edwards 1871, and Neodon (Lasiopodomys) fuscus Büchner 1889. The nucleotide sequences of the circular mitogenomes were identical for each individual species of L. brandtii, L. mandarinus, and N. fuscus. Each species contained 13 protein-coding genes (PCGs), 22 transfer RNAs, and 2 ribosomal RNAs, with mitochondrial genome lengths of 16,557 bp, 16,562 bp, and 16,324 bp, respectively. The mitogenomes and PCGs showed positive AT skew and negative GC skew. Mitogenomic phylogenetic analyses suggested that L. brandtii, L. mandarinus, and L. gregalis Pallas 1779 belong to the genus Lasiopodomys, whereas N. fuscus belongs to the genus Neodon grouped with N. irene. Lasiopodomys showed the closest relationship with Microtus fortis Büchner 1889 and M. kikuchii Kuroda 1920, which are considered as the paraphyletic species of genera Microtus. TMRCA and niche model analysis revealed that Lasiopodomys may have first appeared during the early Pleistocene epoch. Further, L. gregalis separated from others over 1.53 million years ago (Ma) and then diverged into L. brandtii and L. mandarinus 0.76 Ma. The relative contribution of climatic fluctuations to speciation and selection in this group requires further research.
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Affiliation(s)
- Luye Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Likuan Liu
- School of Life Sciences, Qinghai Normal University, Xining, Qinghai, China
| | - Xiujuan Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Yue Wu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Xiangyu Tian
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Yuhua Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Zhenlong Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
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Lin J, Fan L, Han Y, Guo J, Hao Z, Cao L, Kang J, Wang X, He J, Li J. The mTORC1/eIF4E/HIF-1α Pathway Mediates Glycolysis to Support Brain Hypoxia Resistance in the Gansu Zokor, Eospalax cansus. Front Physiol 2021; 12:626240. [PMID: 33708138 PMCID: PMC7940537 DOI: 10.3389/fphys.2021.626240] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 01/25/2021] [Indexed: 11/13/2022] Open
Abstract
The Gansu zokor (Eospalax cansus) is a subterranean rodent species that is unique to China. These creatures inhabit underground burrows with a hypoxia environment. Metabolic energy patterns in subterranean rodents have become a recent focus of research; however, little is known about brain energy metabolism under conditions of hypoxia in this species. The mammalian (mechanistic) target of rapamycin complex 1 (mTORC1) coordinates eukaryotic cell growth and metabolism, and its downstream targets regulate hypoxia inducible factor-1α (HIF-1α) under conditions of hypoxia to induce glycolysis. In this study, we compared the metabolic characteristics of hypoxia-tolerant subterranean Gansu zokors under hypoxic conditions with those of hypoxia-intolerant Sprague-Dawley rats with a similar-sized surface area. We exposed Gansu zokors and rats to hypoxia I (44 h at 10.5% O2) or hypoxia II (6 h at 6.5% O2) and then measured the transcriptional levels of mTORC1 downstream targets, the transcriptional and translational levels of glycolysis-related genes, glucose and fructose levels in plasma and brain, and the activity of key glycolysis-associated enzymes. Under hypoxia, we found that hif-1α transcription was upregulated via the mTORC1/eIF4E pathway to drive glycolysis. Furthermore, Gansu zokor brain exhibited enhanced fructose-driven glycolysis under hypoxia through increased expression of the GLUT5 fructose transporter and ketohexokinase (KHK), in addition to increased KHK enzymatic activity, and utilization of fructose; these changes did not occur in rat. However, glucose-driven glycolysis was enhanced in both Gansu zokor and rat under hypoxia II of 6.5% O2 for 6 h. Overall, our results indicate that on the basis of glucose as the main metabolic substrate, fructose is used to accelerate the supply of energy in Gansu zokor, which mirrors the metabolic responses to hypoxia in this species.
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Affiliation(s)
- Jinyan Lin
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Lele Fan
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Yuming Han
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Juanjuan Guo
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Zhiqiang Hao
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Lingna Cao
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Jiamin Kang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Xiaoqin Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Jianping He
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
| | - Jingang Li
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, College of Life Science, Shaanxi Normal University, Xi'an, China
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