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The African froghopper Ptyelus flavescens (suborder: Cicadomorpha) contains two novel and one known peptides of the adipokinetic hormone (AKH) family: structure, function and comparison with aphid AKH (suborder: Sternorrhyncha)

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F17%3A00480292" target="_blank" >RIV/60077344:_____/17:00480292 - isvavai.cz</a>

  • Výsledek na webu

    <a href="https://link.springer.com/article/10.1007%2Fs00726-017-2461-y" target="_blank" >https://link.springer.com/article/10.1007%2Fs00726-017-2461-y</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s00726-017-2461-y" target="_blank" >10.1007/s00726-017-2461-y</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    The African froghopper Ptyelus flavescens (suborder: Cicadomorpha) contains two novel and one known peptides of the adipokinetic hormone (AKH) family: structure, function and comparison with aphid AKH (suborder: Sternorrhyncha)

  • Popis výsledku v původním jazyce

    The rationale of ´green pesticides´ in food security is to use information about endogenous hormones of pest insects to make peptide mimetics that will act against the pest insects to alter their behaviour or physiology, while taking care not to harm beneficial insects or other organisms in the food chain. Such ´green´ insecticides are designed thus, on the basis of neuropeptide ligand–receptor interaction and it is of paramount interest to have finally a mimetic at hand that is harmful only to pest insects. For this concept to work, one has to identify the ligands in pest and beneficial insects. In this study we investigate adipokinetic hormones (AKHs) from a hemipteran source. The most harmful hemipterans on an economic scale are aphids (Hemiptera: Sternorrhyncha: Aphidoidea) of which the AKH is known. Here we identify the AKH complement of a member of a related suborder, the raintree bug or froghopper Ptyelus flavescens (Hemiptera: Cicadomorpha: Cercopoidea). Identification and sequence elucidation of the adipokinetic peptides of this species was achieved by a heterospecific and conspecific trehalose-mobilizing bioassay, and by liquid chromatography coupled to positive electrospray mass spectrometry (LC–ESI–MS) including tandem MS2 spectra obtained by collision-induced dissociation. High resolution MS was employed to distinguish between Gln and Lys residues in the peptides. Three AKHs are discovered in the raintree bug: an octapeptide (Peram-CAH-I: pEVNFSPNW amide) previously known from cockroaches, and two novel decapeptides (Ptyfl-AKH-I: pEINFSTGWGQ amide and Ptyfl-AKH-II: pEINFSTAWGQ amide). The novel peptides were synthesized and the sequence assignments were unequivocally confirmed by co-elution of synthetic peptides and the natural equivalent and by identical MS data of the two forms. A conspecific bioassay in the froghopper describe the endogenous peptide Ptyfl-AKH-I as hypertrehalosemic.

  • Název v anglickém jazyce

    The African froghopper Ptyelus flavescens (suborder: Cicadomorpha) contains two novel and one known peptides of the adipokinetic hormone (AKH) family: structure, function and comparison with aphid AKH (suborder: Sternorrhyncha)

  • Popis výsledku anglicky

    The rationale of ´green pesticides´ in food security is to use information about endogenous hormones of pest insects to make peptide mimetics that will act against the pest insects to alter their behaviour or physiology, while taking care not to harm beneficial insects or other organisms in the food chain. Such ´green´ insecticides are designed thus, on the basis of neuropeptide ligand–receptor interaction and it is of paramount interest to have finally a mimetic at hand that is harmful only to pest insects. For this concept to work, one has to identify the ligands in pest and beneficial insects. In this study we investigate adipokinetic hormones (AKHs) from a hemipteran source. The most harmful hemipterans on an economic scale are aphids (Hemiptera: Sternorrhyncha: Aphidoidea) of which the AKH is known. Here we identify the AKH complement of a member of a related suborder, the raintree bug or froghopper Ptyelus flavescens (Hemiptera: Cicadomorpha: Cercopoidea). Identification and sequence elucidation of the adipokinetic peptides of this species was achieved by a heterospecific and conspecific trehalose-mobilizing bioassay, and by liquid chromatography coupled to positive electrospray mass spectrometry (LC–ESI–MS) including tandem MS2 spectra obtained by collision-induced dissociation. High resolution MS was employed to distinguish between Gln and Lys residues in the peptides. Three AKHs are discovered in the raintree bug: an octapeptide (Peram-CAH-I: pEVNFSPNW amide) previously known from cockroaches, and two novel decapeptides (Ptyfl-AKH-I: pEINFSTGWGQ amide and Ptyfl-AKH-II: pEINFSTAWGQ amide). The novel peptides were synthesized and the sequence assignments were unequivocally confirmed by co-elution of synthetic peptides and the natural equivalent and by identical MS data of the two forms. A conspecific bioassay in the froghopper describe the endogenous peptide Ptyfl-AKH-I as hypertrehalosemic.

Klasifikace

  • Druh

    J<sub>imp</sub> - Článek v periodiku v databázi Web of Science

  • CEP obor

  • OECD FORD obor

    10608 - Biochemistry and molecular biology

Návaznosti výsledku

  • Projekt

    <a href="/cs/project/GA17-22276S" target="_blank" >GA17-22276S: Nové metody pro metabolomickou analýzu obtížně stanovitelných metabolitů</a><br>

  • Návaznosti

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Ostatní

  • Rok uplatnění

    2017

  • Kód důvěrnosti údajů

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

Údaje specifické pro druh výsledku

  • Název periodika

    Amino Acids

  • ISSN

    0939-4451

  • e-ISSN

  • Svazek periodika

    49

  • Číslo periodika v rámci svazku

    10

  • Stát vydavatele periodika

    AT - Rakouská republika

  • Počet stran výsledku

    12

  • Strana od-do

    1679-1690

  • Kód UT WoS článku

    000410815600002

  • EID výsledku v databázi Scopus

    2-s2.0-85023761901