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Molecular phylogeny of the sesarmid crab based on the partial sequences of mitochondrial COI and 16S rRNA genes from the coast of China
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Yan Xu1, 2, Hongping Pan1, Bing Yan2, Tingwei Gao2, Bin Wu2, Mingliu Yang2, *
Haiyang Xuebao | 2019, 41(8) : 63 - 71
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Haiyang Xuebao | 2019, 41(8): 63-71
• Marine Biology •
Molecular phylogeny of the sesarmid crab based on the partial sequences of mitochondrial COI and 16S rRNA genes from the coast of China
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Yan Xu1, 2, Hongping Pan1, Bing Yan2, Tingwei Gao2, Bin Wu2, Mingliu Yang2, *
Affiliations
  • 1 College of Animal Science and Technology, Guangxi University, Nanning 530004, China
  • 2 Guangxi Key Lab of Mangrove Conservation and Utilization, Guangxi Mangrove Research Center, Guangxi Academy of Sciences, Beihai 536000, China
Published: 2019-08-25 doi: 10.3969/j.issn.0253-4193.2019.08.006
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The species in the family of Sesarmidae are among the species mostly difficult to be differentiated taxonomically in the Superfamily Grapsoidea because of their morphological similarity. The analysis of partial sequences of mitochondrial COI gene and 16S rRNA gene of 14 species in 8 genera of Sesarmidae for their molecular phylogenetics reveals that the percentages of sequence divergences of 14 species of Sesarmidae are from 5.7% to 14.5% and from 1.5% to 12.1%, both indicating that the species difference are significant. The phylogenetic trees show that the 14 species are separate and valid species and 4 species of Parasesarma and 3 species of Perisesarma are not 2 independent clades but clustered into 1 clade. Chiromantes dehaani and Sesarmops sinensis are clustered into one clade and then clustered with C. haematocheir into another clade, inconsistent with their morphological classification. The complicated molecular phylogenetic relationship among the species of Sesarmidae suggests that the species in the family of Sesarmidae might have polyphyletic origin, and their interspecific relationship or intergenus relationship need to be clarified.

Sesarmidae  /  mitochondrial DNA  /  COI gene  /  16S rRNA gene  /  phylogeny
Yan Xu, Hongping Pan, Bing Yan, Tingwei Gao, Bin Wu, Mingliu Yang. Molecular phylogeny of the sesarmid crab based on the partial sequences of mitochondrial COI and 16S rRNA genes from the coast of China[J]. Haiyang Xuebao, 2019 , 41 (8) : 63 -71 . DOI: 10.3969/j.issn.0253-4193.2019.08.006
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doi: 10.3969/j.issn.0253-4193.2019.08.006
  • Receive Date：2019-04-01
  • Online Date：2026-04-03
  • Published：2019-08-25
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  • Received：2019-04-01
  • Revised：2019-06-13
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    1 College of Animal Science and Technology, Guangxi University, Nanning 530004, China
    2 Guangxi Key Lab of Mangrove Conservation and Utilization, Guangxi Mangrove Research Center, Guangxi Academy of Sciences, Beihai 536000, 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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