Secondary structure construction and molecular identification of rRNA 18S V4 region E23-5-E23-6 of parasitic lice of Hominidae
Copyright © 2022 Elsevier B.V. All rights reserved..
The parasitic lice of Hominidae are a class of blood-sucking insects, having a large fragment expansion region in ribosome 18S V4 region. In this study, the value of the E23-5-E23-6 stem-loop structure in the insertion region for molecular identification of lice were explored through motif analysis and secondary structure construction. Five pubic lice samples from China were morphologically identified, and primers for the rRNA 18S V4 region were designed for molecular identification. The V4 sequence of the parasitic lice of Hominidae was retrieved from GenBank for sequence analysis. The five samples were identified as pubic lice based on V4 region, which were of the same specie but geographically different from Australian strains in Genbank, with the identity of 99.06-99.46%. Compared with the human lice, both the chimpanzee lice and pubic lice had large indel fragments in the V4 region. Comparison results showed that Muscle and MAFFT had better alignment and phylogeny results than Clustal. The large expansion region, comprising E23-5 and E23-6, was located between E23-4 and E23-7. The V4 secondary structure showed that the stem-loop structures of the lice parasitizing on pubic area, human, and chimpanzee were different in the E23-5 and E23-6, which could effectively distinguish the three parasitic lice and divide the human lice into five genotypes. This is suitable not only for the identification of three lice species in higher taxonomic ranks but also for genotype identification of human lice in lower taxonomic ranks. The difference between the stem-loop structure is more intuitive than that between the primary sequences.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:238 |
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| Enthalten in: |
Acta tropica - 238(2023) vom: 24. Feb., Seite 106772 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Wanyu [VerfasserIn] |
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| Links: |
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| Themen: |
E23-5–E23-6 |
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| Anmerkungen: |
Date Completed 10.01.2023 Date Revised 11.01.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.actatropica.2022.106772 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2022 Elsevier B.V. All rights reserved. | ||
| 520 | |a The parasitic lice of Hominidae are a class of blood-sucking insects, having a large fragment expansion region in ribosome 18S V4 region. In this study, the value of the E23-5-E23-6 stem-loop structure in the insertion region for molecular identification of lice were explored through motif analysis and secondary structure construction. Five pubic lice samples from China were morphologically identified, and primers for the rRNA 18S V4 region were designed for molecular identification. The V4 sequence of the parasitic lice of Hominidae was retrieved from GenBank for sequence analysis. The five samples were identified as pubic lice based on V4 region, which were of the same specie but geographically different from Australian strains in Genbank, with the identity of 99.06-99.46%. Compared with the human lice, both the chimpanzee lice and pubic lice had large indel fragments in the V4 region. Comparison results showed that Muscle and MAFFT had better alignment and phylogeny results than Clustal. The large expansion region, comprising E23-5 and E23-6, was located between E23-4 and E23-7. The V4 secondary structure showed that the stem-loop structures of the lice parasitizing on pubic area, human, and chimpanzee were different in the E23-5 and E23-6, which could effectively distinguish the three parasitic lice and divide the human lice into five genotypes. This is suitable not only for the identification of three lice species in higher taxonomic ranks but also for genotype identification of human lice in lower taxonomic ranks. The difference between the stem-loop structure is more intuitive than that between the primary sequences | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a E23-5–E23-6 | |
| 650 | 4 | |a Parasitic lice of Hominidae | |
| 650 | 4 | |a RNA secondary structure | |
| 650 | 4 | |a molecular identification | |
| 650 | 4 | |a rRNA 18S V4 region | |
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| 700 | 1 | |a Zhao, Yae |e verfasserin |4 aut | |
| 700 | 1 | |a Guan, Chenglin |e verfasserin |4 aut | |
| 700 | 1 | |a Chai, Rong |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Chenxi |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Li |e verfasserin |4 aut | |
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