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Incomplete concerted evolution of nrDNA ITS in Lycium
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Jiao ZHANG1, Ying-lan NIE1, Wei GUO2, Dan QIAN1, *, Lu-qi HUANG3, *
Acta Pharmaceutica Sinica | 2022, 57(2) : 525 - 532
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Acta Pharmaceutica Sinica | 2022, 57(2): 525-532
• Original Articles •
Incomplete concerted evolution of nrDNA ITS in Lycium
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Jiao ZHANG1, Ying-lan NIE1, Wei GUO2, Dan QIAN1, *, Lu-qi HUANG3, *
Affiliations
  • 1. Beijing Key Laboratory of Research of Chinese Medicine on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
  • 2. Shandong Provincial Maternal and Child Health Care Hospital, Shandong University, Jinan 250014, China
  • 3. China Academy of Chinese Medical Sciences, Beijing 100700, China
Published: 2022-02-12 doi: 10.16438/j.0513-4870.2021-1303
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In this study, nrDNA ITS sequences of Lycium cultivars were sequenced and used to test the existence of incomplete concerted evolution and pseudogenes. Together with 44 ITS sequences retrieved from GenBank, the pattern of base substitutions, GC content, 5.8S conserved motifs, the minimum free energy of secondary structures, nucleotide diversity and phylogenetic relationship of the samples were analyzed. While 83 of the 144 sequences were identified as pseudogenes, the results suggested a high degree of polymorphism and putative pseudogenes in Lycium, suggesting an incomplete concerted evolution of the ITS region. ITS polymorphism and pseudogene of Lycium were systematically tested for the first time. This research provides a references for ITS sequence to be used in the study of Lycium germplasm resources and DNA barcode identification.

Lycium  /  nrDNA ITS  /  polymorphism  /  incomplete concerted evolution  /  pseudogenes
Jiao ZHANG, Ying-lan NIE, Wei GUO, Dan QIAN, Lu-qi HUANG. Incomplete concerted evolution of nrDNA ITS in Lycium[J]. Acta Pharmaceutica Sinica, 2022 , 57 (2) : 525 -532 . DOI: 10.16438/j.0513-4870.2021-1303
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Article Info
doi: 10.16438/j.0513-4870.2021-1303
  • Receive Date：2021-09-06
  • Online Date：2025-12-22
  • Published：2022-02-12
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History
  • Received：2021-09-06
  • Revised：2021-10-11
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Affiliations
    1. Beijing Key Laboratory of Research of Chinese Medicine on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
    2. Shandong Provincial Maternal and Child Health Care Hospital, Shandong University, Jinan 250014, China
    3. China Academy of Chinese Medical Sciences, Beijing 100700, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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