Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jinsphys.2013.03.005 |
In vivo effect of Neuropeptide F on ecdysteroidogenesis in adult female desert locusts (Schistocerca gregaria) | |
Van Wielendaele, Pieter; Wynant, Niels; Dillen, Senne; Badisco, Liesbeth; Marchal, Elisabeth; Vanden Broeck, Jozef | |
通讯作者 | Van Wielendaele, Pieter |
来源期刊 | JOURNAL OF INSECT PHYSIOLOGY
![]() |
ISSN | 0022-1910 |
EISSN | 1879-1611 |
出版年 | 2013 |
卷号 | 59期号:6页码:624-630 |
英文摘要 | Neuropeptides are important regulatory factors that mediate key life processes, both in vertebrates and invertebrates. Many insect neuropeptides display pleiotropic activities, which means that they can influence multiple aspects of insect physiology. In the fruit fly, Drosophila melanogaster, Neuropeptide F (NPF) mediates diverse physiological processes, such as learning, stress responses, feeding and male courtship behavior. In locusts, only a truncated form of the predicted "full-length" NPF, the nonapeptide "trNPF", has been isolated. This nonapeptide previously proved to be biologically active, since it was shown to influence food intake and weight increase, as well as oocyte growth in adult female desert locusts (Schistocerca gregaria [Forskal]). In the present study, we have further analyzed the effect of trNPF on female reproductive physiology in S. gregaria. We confirmed that daily trNPF injections in adult females elicit an increase of oocyte size. In addition, an RNAi-mediated knockdown of the Schgr-NPF precursor transcript in adult female locusts resulted in the opposite effect, i.e. significantly smaller oocytes. Moreover, we discovered that daily injections of trNPF in adult female S. gregaria, caused higher ecdysteroid titers in the ovaries and accelerated the appearance of ecdysteroid peaks in the hemolymph of these animals. The RNAi-based knockdown of the Schgr-NPF precursor transcript clearly resulted in reduction of both hemolymph and ovarian ecdysteroid concentrations, confirming the stimulatory effects of trNPF injettions on adult female etclygtereid leVeTS. The ObServe-d re-sults are disctiss-e-d in relation to previous reports on NPF activities in locusts and other insects. (C) 2013 Elsevier Ltd. All rights reserved. |
英文关键词 | Ecdysone Insect Oocyte maturation Peptide Reproduction |
类型 | Article |
语种 | 英语 |
国家 | Belgium |
收录类别 | SCI-E |
WOS记录号 | WOS:000325187800006 |
WOS关键词 | Y-LIKE ; OVARIAN DEVELOPMENT ; DROSOPHILA-MELANOGASTER ; EMBRYONIC-DEVELOPMENT ; ENZYME-IMMUNOASSAY ; CORPORA CARDIACA ; GERMAN-COCKROACH ; INSULIN-LIKE ; FOOD ; IDENTIFICATION |
WOS类目 | Entomology ; Physiology ; Zoology |
WOS研究方向 | Entomology ; Physiology ; Zoology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/178544 |
作者单位 | Katholieke Univ Leuven, Inst Zool, Dept Anim Physiol & Neurobiol, B-3000 Louvain, Belgium |
推荐引用方式 GB/T 7714 | Van Wielendaele, Pieter,Wynant, Niels,Dillen, Senne,et al. In vivo effect of Neuropeptide F on ecdysteroidogenesis in adult female desert locusts (Schistocerca gregaria)[J],2013,59(6):624-630. |
APA | Van Wielendaele, Pieter,Wynant, Niels,Dillen, Senne,Badisco, Liesbeth,Marchal, Elisabeth,&Vanden Broeck, Jozef.(2013).In vivo effect of Neuropeptide F on ecdysteroidogenesis in adult female desert locusts (Schistocerca gregaria).JOURNAL OF INSECT PHYSIOLOGY,59(6),624-630. |
MLA | Van Wielendaele, Pieter,et al."In vivo effect of Neuropeptide F on ecdysteroidogenesis in adult female desert locusts (Schistocerca gregaria)".JOURNAL OF INSECT PHYSIOLOGY 59.6(2013):624-630. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。