دورية أكاديمية
أعرض في EDS

Evidence for a transcellular route for vitellogenin transport in the telotrophic ovary of Podisus nigrispinus (Hemiptera: Pentatomidae).

التفاصيل البيبلوغرافية
العنوان: Evidence for a transcellular route for vitellogenin transport in the telotrophic ovary of Podisus nigrispinus (Hemiptera: Pentatomidae).
المؤلفون: Assis MQ; Department of General Biology, Universidade Federal de Viçosa, 36570-000, Viçosa, Brazil., Dohanik VT; Department of General Biology, Universidade Federal de Viçosa, 36570-000, Viçosa, Brazil., Oliveira LL; Department of General Biology, Universidade Federal de Viçosa, 36570-000, Viçosa, Brazil., Zanuncio JC; Departament of Entomology, Universidade Federal de Viçosa, 36570-000, Viçosa, Brazil., Serrão JE; Department of General Biology, Universidade Federal de Viçosa, 36570-000, Viçosa, Brazil. jeserrao@ufv.br.
المصدر: Scientific reports [Sci Rep] 2019 Nov 11; Vol. 9 (1), pp. 16441. Date of Electronic Publication: 2019 Nov 11.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Publishing Group, copyright 2011-
مواضيع طبية MeSH: Hemiptera/*physiology , Oocytes/*metabolism , Ovary/*metabolism , Vitellogenins/*metabolism, Animals ; Female ; Fluorescent Antibody Technique ; Oocytes/ultrastructure ; Ovary/ultrastructure ; Protein Transport
مستخلص: Vitellogenin is the main yolk precursor protein in insect oocytes. It is synthesized in the fat body and released into the hemolymph. To reach the oocyte surface, vitellogenin must cross a single layer of follicular epithelium cells. The transport of vitellogenin across the follicular epithelium has been suggested to occur through the enlarged intercellular spaces (patency) by a paracellular route or by endocytosis by follicular cells and release onto oocyte surface in a transcelluar route. In this study, we investigated whether vitellogenin transport in the meroistic telotrophic ovary of Podisus nigrispinus (Hemiptera) occurs via a paracellular or transcellular route. Light and transmission electron microscopies showed that short cell-cell contacts with well-developed occluding septate junctions were present in follicular cells with patency. Immunofluorescence microscopy revealed the presence of vitellogenin receptors in the plasma membrane and of vitellogenin in the cytoplasm of follicular cells. Data suggest that cell-cell contacts serve as a barrier to large vitellogenin molecules and that this protein is transported via a transcellular route of receptor-mediated endocytosis.
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المشرفين على المادة: 0 (Vitellogenins)
تواريخ الأحداث: Date Created: 20191113 Date Completed: 20201106 Latest Revision: 20210110
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC6848487
DOI: 10.1038/s41598-019-52789-z
PMID: 31712640
قاعدة البيانات: MEDLINE
الوصف
تدمد:2045-2322
DOI:10.1038/s41598-019-52789-z