Brundo, Maria Violetta

Filonenko, Elena S.

Kasterova, Evgenia

La Spina, Enrico

Lombardo, Bianca M.

Messina, Giuseppina

Raccuia, Salvatore Antonino

Zibareva, Larisa N.

English

Tomsk State University Repository

           Unione Zoologica Italiana	79° Congresso Nazionale  Lecce, 25-28 Settembre 2018	 	Riassunti  	     	115  ENRICO LA SPINA1, LARISA N. ZIBAREVA2, ELENA FILONENKO2, EVGENIA KASTEROVA2, GIUSEPPINA MESSINA1, MARIA VIOLETTA BRUNDO1, SALVATORE ANTONINO RACCUIA3, BIANCA M. LOMBARDO1  1Department of Biological, Geological and Environmental Science, University of Catania, Via Androne 81, Catania, I-95124, Italy 2Tomsk State University, Siberian Botanical Garden, Tomsk, pr. Lenina 36, Russia. 3National Research Council Institute for Agricultural and Forest Systems in the Mediterranean, National Research Council, Via Empedocle, 58, Catania, I-95125, Italy  INVESTIGATION ABOUT THE PRESENCE OF 20-HYDROXYECDYSONE AND FLAVONOIDS IN SEVERAL PLANT SPECIES AND IN A TERRESTRIAL ISOPOD TARGET SPECIES, ARMADILLO OFFICINALIS (DUMERÌL, 1816) (CRUSTACEA, ISOPODA, ONISCIDEA)   Ecdysteroids are used by insects, crustaceans and other arthropods to control a variety of important physiological events such as moulting, reproduction, as well as metamorphosis. They are unable to synthesize steroids on their own, so they need precursors from plants. Phytoecdysteroids are widely distributed in plant kingdom and 20-hydroxyecdysone (20-E) is the most common amongst them (Dinan, 2001). Compared to aquatic crustaceans, literature lacks information about the presence, the distribution and the role of ecdysteroids in Isopoda Oniscidea, the only Crustaceans taxon to become completely terrestrial (Caruso et al., 1987). Rarely has been discussed about the isolation of ecdysteroids from Isopods, in which, the levels of ecdysteroids greatly exceeded in the hemolymph and they are actively concentrated in the hepatopancreas prior to ecdysis (Suzuki, 1996). The purpose of the present study is to investigate, using HPLC methodic, about the presence of ecdysteroids and flavonoids in A. officinalis and in 15 plant species, belonging to different families, sampled in environments in which A. officinalis is typically distributed. Several ecdysteroids and 20-E, in association with flavonoids, were detected in 6 of the 15-species of plants and for the first time in A. officinalis, since its original description, the species is well known for its pharmaceutical properties and its use in folk medicine (Duméril, 1816). These results suggest that terrestrial isopods probably take 20-E, or precursors of it, from plants that they fed on. Further investigations would aim to study the relationship between plants and animals and pharmacological applications.   

Investigation about the presence of 20-hydroxyecdysone and flavonoids in several plant species and in a terrestrial isopod target species, Armadillo officinalis (Dumeril, 1816) (Crustacea, Isopoda, Oniscidea)

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Investigation about the presence of 20-hydroxyecdysone and flavonoids in several plant species and in a terrestrial isopod target species, Armadillo officinalis (Dumeril, 1816) (Crustacea, Isopoda, Oniscidea)

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