دورية أكاديمية
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Egg envelope formation of medaka Oryzias latipes requires ZP proteins originating from both the liver and ovary.

التفاصيل البيبلوغرافية
العنوان: Egg envelope formation of medaka Oryzias latipes requires ZP proteins originating from both the liver and ovary.
المؤلفون: Yokokawa R; Department of Materials Science, Graduate School of Science, Josai University, Sakado, Japan., Watanabe K; Graduate School of Pharmaceutical Sciences, Josai University, Sakado, Japan., Kanda S; Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan., Nishino Y; Department of Materials and Lifesciences, Faculty of Science and Technology, Sophia University, Tokyo, Japan., Yasumasu S; Department of Materials and Lifesciences, Faculty of Science and Technology, Sophia University, Tokyo, Japan. Electronic address: s-yasuma@sophia.ac.jp., Sano K; Department of Materials Science, Graduate School of Science, Josai University, Sakado, Japan; Department of Chemistry, Faculty of Science, Josai University, Sakado, Japan. Electronic address: kaori-s@josai.ac.jp.
المصدر: The Journal of biological chemistry [J Biol Chem] 2023 Apr; Vol. 299 (4), pp. 104600. Date of Electronic Publication: 2023 Mar 10.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Elsevier Inc. on behalf of American Society for Biochemistry and Molecular Biology Country of Publication: United States NLM ID: 2985121R Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1083-351X (Electronic) Linking ISSN: 00219258 NLM ISO Abbreviation: J Biol Chem Subsets: MEDLINE
أسماء مطبوعة: Publication: 2021- : [New York, NY] : Elsevier Inc. on behalf of American Society for Biochemistry and Molecular Biology
Original Publication: Baltimore, MD : American Society for Biochemistry and Molecular Biology
مواضيع طبية MeSH: Liver*/metabolism , Oryzias*/genetics , Oryzias*/metabolism , Ovary*/anatomy & histology , Ovary*/metabolism , Zona Pellucida Glycoproteins*/genetics , Zona Pellucida Glycoproteins*/metabolism , Fish Proteins*, Animals ; Female ; Amino Acid Sequence ; Zona Pellucida/chemistry ; Zona Pellucida/metabolism ; Gene Knockout Techniques ; Gene Expression ; Ovum/cytology ; Ovum/metabolism
مستخلص: Teleost oocytes are surrounded by a structure called chorion or egg envelopes, which is composed of zona pellucida (ZP) proteins. As a result of the gene duplication in teleost, the expression site of the zp genes, coding the major component protein of egg envelopes, changed from the ovary to the maternal liver. In Euteleostei, there are three liver-expressed zp genes, named choriogenin (chg) h, chg hm, and chg l, and the composition of the egg envelope is mostly made up of these Chgs. In addition, ovary-expressed zp genes are also conserved in the medaka genomes, and their proteins have also been found to be minor components of the egg envelopes. However, the specific role of liver-expressed versus ovary-expressed zp genes was unclear. In the present study, we showed that ovary-synthesized ZP proteins first form the base layer of the egg envelope and then Chgs polymerize inwardly to thicken the egg envelope. To analyze the effects of dysfunction of the chg gene, we generated some chg knockout medaka. All knockout females failed to produce normally fertilized eggs by the natural spawning. The egg envelopes lacking Chgs were significantly thinner, but layers formed by ZP proteins synthesized in the ovary were found in the thin egg envelope of knockout as well as wildtype eggs. These results suggest that the ovary-expressed zp gene is well conserved in all teleosts, including those species in which liver-derived ZP proteins are the major component, because it is essential for the initiation of egg envelope formation.
Competing Interests: Conflict of interest The authors declare that they have no conflicts of interest with the contents of this article.
(Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.)
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فهرسة مساهمة: Keywords: ZP protein; choriogenin; chorion; egg envelope; gene expression; gene knockout; protein cross-linking; protein domain; protein synthesis
المشرفين على المادة: 0 (Zona Pellucida Glycoproteins)
0 (Fish Proteins)
تواريخ الأحداث: Date Created: 20230311 Date Completed: 20230511 Latest Revision: 20230511
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC10140178
DOI: 10.1016/j.jbc.2023.104600
PMID: 36906145
قاعدة البيانات: MEDLINE
الوصف
تدمد:1083-351X
DOI:10.1016/j.jbc.2023.104600