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Endocrine regulation of the reproductive arrest in the long-winged females of a flightless bug. Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae)

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F06%3A00040629" target="_blank" >RIV/60077344:_____/06:00040629 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Endocrine regulation of the reproductive arrest in the long-winged females of a flightless bug. Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae)

  • Original language description

    Activity of the endocrine gland, corpus allatum (CA) and reproduction activity in females of the linden bug P. apterus depends on photoperiod, food intake, and wing morph. In brachypterous females, short-day photoperiod induces a strong inhibition of theCA associated with refractoriness of the neuroendocrine system to food signals and, consequently, diapause. On the other hand, starvation under long-day photoperiod maintains a weak inhibition of the CA that can be easily removed by food intake. In macropterous females, the activity of the CA is reduced and the onset of reproduction is delayed even under long-day photoperiod and food suply. Reciprocal transplantations of the neuroendocrine complex between macropterous and brachypterous females revealedthat the suppression of the CA activity in macropterous females results from a weak starvation-like inhibition of the CA associated with a diapause-like refractoriness of the neuroendocrine complex to food signals.

  • Czech name

    Endokrinní řízení reprodukční zástavy u dlouhokřídlých samic ploštice Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae)

  • Czech description

    Aktivita endokrinní žlázy corpus allatum (CA) a reprodukční aktivita samic ploštice Pyrrhocoris apterus závisí na fotoperiodě, příjmu potravy a křídelní morfě. U brachypterních samic, krátkodenní fotoperioda indukuje diapauzu, která je důsledkem silné inhibice CA spojené s refraktorností neuroendokrinního systému k potravním signálům. Naproti tomu hladovění v dlouhodenní fotoperiodě udržuje slabou inhibici CA, která je snadno odstraněna příjmem potravy. U makropterních samic je aktivita CA potlačena a nástup reprodukce je zpožděn i v dlouhodenní fotoperiodě za přítomnosti potravy. Reciproční transplantace neuroendokrinního komplexu (mozek-suboesophageální ganglion-corpora cardiaca-corpus allatum) mezi makropterními a brachypterními samicemi prokázaly,že potlačení aktivity CA u makropterních samic je důsledkem slabé inhibice CA spojené s refraktorností neuroendokrinního komplexu k potravním signálům.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    ED - Physiology

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    European Journal of Entomology

  • ISSN

    1210-5759

  • e-ISSN

  • Volume of the periodical

    103

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    7

  • Pages from-to

    523-529

  • UT code for WoS article

  • EID of the result in the Scopus database