The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticks

Ribosomal protein L12 (RpL12) plays an important role in ovarian development and engorgement in vertebrates and invertebrates. However, the functional characteristics of RpL12 in ticks are not clear. Here, an open reading frame of the RpL12 gene was cloned from cDNA of Haemaphysalis longicornis. Th...

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Main Authors: Jin LUO, Wenge LIU, Qiaoyun REN, Xiaokai SONG, Ruofeng YAN, Guangyuan LIU, Xiangrui LI
Format: Article
Language:English
Published: Kafkas University, Faculty of Veterinary Medicine 2022-08-01
Series:Kafkas Universitesi Veteriner Fakültesi Dergisi
Subjects:
Online Access:https://vetdergikafkas.org/pdf.php?id=2936
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author Jin LUO
Wenge LIU
Qiaoyun REN
Xiaokai SONG
Ruofeng YAN
Guangyuan LIU
Xiangrui LI
author_facet Jin LUO
Wenge LIU
Qiaoyun REN
Xiaokai SONG
Ruofeng YAN
Guangyuan LIU
Xiangrui LI
author_sort Jin LUO
collection DOAJ
description Ribosomal protein L12 (RpL12) plays an important role in ovarian development and engorgement in vertebrates and invertebrates. However, the functional characteristics of RpL12 in ticks are not clear. Here, an open reading frame of the RpL12 gene was cloned from cDNA of Haemaphysalis longicornis. Th e sequence was analysed, and expression levels were determined in diff erent tissues and developmental stages using qPCR. To assess the immunization and challenge of ticks, the recombinant protein rRpL12+GST was used in immunological experiments. Th e results showed high conservation of RpL12 among species and comparisons of the amino acid sequence from H. longicornis. RpL12 was approximately 60% expressed in the ovary among the examined tissues of unfed adult female H. longicornis, and the expression level of RpL12 in unfed ticks was signifi cantly lower than that in H. longicornis at the egg and engorged stages. Western blotting showed that rabbit antiserum against H. longicornis adult ticks recognized RpL12, with an average egg weight of 49.94% and a 17.22% reduction in the engorged weight of adult ticks, but the mortality increased only 6.00%. Th ese results suggest that RpL12 could be used to generate anti-tick vaccines and provide novel information on the RpL12 gene of ticks, providing a better understanding of its mechanisms in reproduction and oogenesis.
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spelling doaj.art-b6283531496b42b8a0b5e2410c5322202023-06-19T06:15:39ZengKafkas University, Faculty of Veterinary MedicineKafkas Universitesi Veteriner Fakültesi Dergisi1309-22512022-08-0128557157810.9775/kvfd.2022.275852936The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticksJin LUO0Wenge LIU1Qiaoyun REN2Xiaokai SONG3Ruofeng YAN4Guangyuan LIU5Xiangrui LI6MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P.R. CHINAState Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Xujiaping 1, Lanzhou, Gansu, 730046, P.R. CHINAState Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Xujiaping 1, Lanzhou, Gansu, 730046, P.R. CHINAMOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P.R. CHINAMOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P.R. CHINAState Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Xujiaping 1, Lanzhou, Gansu, 730046, P.R. CHINAMOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P.R. CHINARibosomal protein L12 (RpL12) plays an important role in ovarian development and engorgement in vertebrates and invertebrates. However, the functional characteristics of RpL12 in ticks are not clear. Here, an open reading frame of the RpL12 gene was cloned from cDNA of Haemaphysalis longicornis. Th e sequence was analysed, and expression levels were determined in diff erent tissues and developmental stages using qPCR. To assess the immunization and challenge of ticks, the recombinant protein rRpL12+GST was used in immunological experiments. Th e results showed high conservation of RpL12 among species and comparisons of the amino acid sequence from H. longicornis. RpL12 was approximately 60% expressed in the ovary among the examined tissues of unfed adult female H. longicornis, and the expression level of RpL12 in unfed ticks was signifi cantly lower than that in H. longicornis at the egg and engorged stages. Western blotting showed that rabbit antiserum against H. longicornis adult ticks recognized RpL12, with an average egg weight of 49.94% and a 17.22% reduction in the engorged weight of adult ticks, but the mortality increased only 6.00%. Th ese results suggest that RpL12 could be used to generate anti-tick vaccines and provide novel information on the RpL12 gene of ticks, providing a better understanding of its mechanisms in reproduction and oogenesis.https://vetdergikafkas.org/pdf.php?id=2936haemaphysalis longicornisrecombinant proteinribosomal proteinrpl12ticks
spellingShingle Jin LUO
Wenge LIU
Qiaoyun REN
Xiaokai SONG
Ruofeng YAN
Guangyuan LIU
Xiangrui LI
The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticks
Kafkas Universitesi Veteriner Fakültesi Dergisi
haemaphysalis longicornis
recombinant protein
ribosomal protein
rpl12
ticks
title The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticks
title_full The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticks
title_fullStr The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticks
title_full_unstemmed The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticks
title_short The characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis (acari: ixodidae) ticks
title_sort characteristic analysis of ribosomal protein l12 in haemaphysalis longicornis acari ixodidae ticks
topic haemaphysalis longicornis
recombinant protein
ribosomal protein
rpl12
ticks
url https://vetdergikafkas.org/pdf.php?id=2936
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