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Chen J, Du X, Xu X, Zhang S, Yao L, He X, Wang Y. Comparative Proteomic Analysis Provides New Insights into the Molecular Basis of Thermal-Induced Parthenogenesis in Silkworm ( Bombyx mori). INSECTS 2023; 14:insects14020134. [PMID: 36835703 PMCID: PMC9962255 DOI: 10.3390/insects14020134] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/14/2023] [Accepted: 01/19/2023] [Indexed: 05/27/2023]
Abstract
Artificial parthenogenetic induction via thermal stimuli in silkworm is an important technique that has been used in sericultural production. However, the molecular mechanism underlying it remains largely unknown. We have created a fully parthenogenetic line (PL) with more than 85% occurrence and 80% hatching rate via hot water treatment and genetic selection, while the parent amphigenetic line (AL) has less than 30% pigmentation rate and less than 1% hatching rate when undergoing the same treatment. Here, isobaric tags for relative and absolute quantitation (iTRAQ)-based analysis were used to investigate the key proteins and pathways associated with silkworm parthenogenesis. We uncovered the unique proteomic features of unfertilized eggs in PL. In total, 274 increased abundance proteins and 211 decreased abundance proteins were identified relative to AL before thermal induction. Function analysis displayed an increased level of translation and metabolism in PL. After thermal induction, 97 increased abundance proteins and 187 decreased abundance proteins were identified. An increase in stress response-related proteins and decrease in energy metabolism suggested that PL has a more effective response to buffer the thermal stress than AL. Cell cycle-related proteins, including histones, and spindle-related proteins were decreased in PL, indicating an important role of this decrease in the process of ameiotic parthenogenesis.
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Affiliation(s)
- Jine Chen
- Institute of Sericulture and Tea, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xin Du
- Institute of Sericulture and Tea, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xia Xu
- Institute of Sericulture and Tea, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Sheng Zhang
- Proteomics and Metabolomics Facility, Institute of Biotechnology, Cornell University, Ithaca, NY 14853, USA
| | - Lusong Yao
- Institute of Sericulture and Tea, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xiuling He
- Institute of Sericulture and Tea, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Yongqiang Wang
- Institute of Sericulture and Tea, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
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Christapher PV, Ganeson T, Chinni SV, Parasuraman S. Transgenic Rodent Models in Toxicological and Environmental Research: Future Perspectives. J Pharmacol Pharmacother 2022. [DOI: 10.1177/0976500x221135691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
The coexistence of humans and animals has existed for centuries. Over the past decade, animal research has played a critical role in drug development and discovery. More and more diverse animals, including transgenic animals, are used in basic research than in applied research. Transgenic animals are generated using molecular genetic techniques to add functional genes, alter gene products, delete genes, insert reporter genes into regulatory sequences, replace or repair genes, and make changes in gene expression. These genetically engineered animals are unique tools for studying a wide range of biomedical issues, allowing the exhibition of specific genetic alterations in various biological systems. Over the past two decades, transgenic animal models have played a critical role in improving our understanding of gene regulation and function in biological systems and human disease. This review article aims to highlight the role of transgenic animals in pharmacological, toxicological, and environmental research. The review accounts for various types of transgenic animals and their appropriateness in multiple types of studies.
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Affiliation(s)
- Parayil Varghese Christapher
- Department of Pharmacology, Al Shifa College of Pharmacy, Poothavanam post, Kizhattur, Perinthalmanna, Malappuram District, Kerala, India
| | - Thanapakiam Ganeson
- Department of Pharmaceutical Technology, Faculty of Pharmacy, AIMST University, Bedong, Malaysia
| | - Suresh V. Chinni
- Department of Biochemistry, Faculty of Medicine, Bioscience, and Nursing, MAHSA University, Selangor, Malaysia
- Department of Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, India
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Yamada N, Mise Y, Yonemura N, Uchino K, Zabelina V, Sezutsu H, Iizuka T, Tamura T. Abolition of egg diapause by ablation of suboesophageal ganglion in parental females is compatible with genetic engineering methods. JOURNAL OF INSECT PHYSIOLOGY 2022; 142:104438. [PMID: 36049569 DOI: 10.1016/j.jinsphys.2022.104438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/07/2022] [Accepted: 08/25/2022] [Indexed: 06/15/2023]
Abstract
Microinjection of genetic material into non-diapause eggs is required for genetic engineering of silkworms. Besides diapause could be useful for maintaining transgenic lines, a drawback of this technology is that most standard silkworm strains and experimental lines of interest produce diapausing eggs. Several approaches have been developed to abolish diapause but none are very efficient. Here, we investigated the ablation of the suboesophageal ganglion (SG) in female pupae, which is a source of the hormone required to trigger egg diapause, as a mean to abolish diapause. We showed that SG-ablation is a reliable method to produce nondiapause eggs. Additionally, the challenge associated with lower fecundity of females with SG ablation was resolved by injecting pilocarpine into the mated female. We also investigated the suitability of nondiapause eggs laid by SG-ablated females for transgenesis, targeted mutagenesis, and induction of parthenogenetic development. Our results demonstrated SG-ablation to be a useful and simple method for expanding the possibilities associated with genetic engineering in silkworms.
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Affiliation(s)
- Nobuto Yamada
- Division of Silk-Producing Insect Biotechnology, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Ibaraki 305-8634, Japan.
| | - Yoshiko Mise
- Division of Silk-Producing Insect Biotechnology, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Ibaraki 305-8634, Japan
| | - Naoyuki Yonemura
- Division of Silk-Producing Insect Biotechnology, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Ibaraki 305-8634, Japan
| | - Keiro Uchino
- Division of Silk-Producing Insect Biotechnology, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Ibaraki 305-8634, Japan
| | - Valeriya Zabelina
- Biology Center CAS, Institute of Entomology, Branisovska 31, 370 05 Ceské Budejovice, Czech Republic; Faculty of Science, University of South Bohemia, Branisovska 31, 370 05 Ceské Budejovice, Czech Republic
| | - Hideki Sezutsu
- Division of Silk-Producing Insect Biotechnology, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Ibaraki 305-8634, Japan
| | - Tetsuya Iizuka
- Division of Silk-Producing Insect Biotechnology, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Ibaraki 305-8634, Japan
| | - Toshiki Tamura
- Institute of Sericulture and Silk Science, Inashiki-gun, Ibaraki 300-0324, Japan
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Zabelina V, Vrchotova M, Yonemura N, Sezutsu H, Tamura T, Klymenko V, Sehnal F, Zurovec M, Sehadova H, Sauman I. The Exact Timing of Microinjection of Parthenogenetic Silkworm Embryos Is Crucial for Their Successful Transgenesis. Front Physiol 2022; 13:822900. [PMID: 35399273 PMCID: PMC8990321 DOI: 10.3389/fphys.2022.822900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 02/28/2022] [Indexed: 12/03/2022] Open
Abstract
The use of parthenogenetic silkworm (Bombyx mori) strains, which eliminate the problem of recombination, is a useful tool for maintaining transgenic clonal lines. The generation of genetically identical individuals is becoming an important tool in genetic engineering, allowing replication of an existing advantageous trait combination without the mixing that occurs during sexual reproduction. Thus, an animal with a particular genetic modification, such as the ability to produce transgenic proteins, can reproduce more rapidly than by natural mating. One obstacle to the widespread use of parthenogenesis in silkworm genetic engineering is the relatively low efficiency of downstream transgenesis techniques. In this work, we seek to optimize the use of transgenesis in conjunction with the production of parthenogenetic individuals. We found that a very important parameter for the introduction of foreign genes into a parthenogenetic strain is the precise timing of embryo microinjection. Our modification of the original method increased the efficiency of transgene injection as well as the survival rate of injected embryos. We also provide a detailed description of the methodological procedure including a graphical overview of the entire protocol.
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Affiliation(s)
- Valeriya Zabelina
- Biology Center CAS, Institute of Entomology, České Budějovice, Czechia.,Faculty of Science, University of South Bohemia, České Budějovice, Czechia.,National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Marketa Vrchotova
- Biology Center CAS, Institute of Entomology, České Budějovice, Czechia.,Faculty of Science, University of South Bohemia, České Budějovice, Czechia
| | - Naoyuki Yonemura
- National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Hideki Sezutsu
- National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Toshiki Tamura
- National Agriculture and Food Research Organization, Tsukuba, Japan.,Silk Sciences and Technology Research Institute, Ibaraki, Japan
| | - Vyacheslav Klymenko
- Faculty of Automation and Information Technology in Management, Ryazan State Radio Engineering University, Ryazan, Russia
| | - Frantisek Sehnal
- Biology Center CAS, Institute of Entomology, České Budějovice, Czechia.,Faculty of Science, University of South Bohemia, České Budějovice, Czechia
| | - Michal Zurovec
- Biology Center CAS, Institute of Entomology, České Budějovice, Czechia.,Faculty of Science, University of South Bohemia, České Budějovice, Czechia
| | - Hana Sehadova
- Biology Center CAS, Institute of Entomology, České Budějovice, Czechia.,Faculty of Science, University of South Bohemia, České Budějovice, Czechia
| | - Ivo Sauman
- Biology Center CAS, Institute of Entomology, České Budějovice, Czechia.,Faculty of Science, University of South Bohemia, České Budějovice, Czechia
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