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Comparison of Earthworm Bioluminescent Systems / N. S. Rodionova, V. N. Petushkov // Dokl. Biochem. Biophys. - 2019. - Vol. 485, Is. 1. - P157-161, DOI 10.1134/S1607672919020224. - Cited References:13. - This work was supported by the State Assignment for Basic Research of the Russian Academy of Sciences (project no. 0356-2019-0019) and the Russian Foundation for Basic Research (project no. 19-04-00348-a). . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
MICROSCOLEX-PHOSPHOREUS
   SIMILARITIES
   CLITELLATA
   ANNELIDA
   HENLEA
Аннотация: The results of a comparative study of the luciferin-luciferase systems of seven species of bioluminescing oligochaetesHenlea petushkovi, Henlea rodionovae, Fridericia heliota (Enchytraeidae), Microscolex phosphoreus (Acanthodrilidae), Pontodrilus litoralis (Megascolecidae), Eisenia lucens, and Avelona ligra (Lumbricidae)are presented.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk Res Ctr, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Rodionova, N. S.; Petushkov, V. N.; State Assignment for Basic Research of the Russian Academy of Sciences [0356-2019-0019]; Russian Foundation for Basic Research [19-04-00348-a]

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SIMILARITIES AND DIFFERENCES BETWEEN THE CHAETOPTERUS VARIOPEDATUS POLYCHAETE LUCIFERASES DEPENDING ON THE TYPE OF HABITAT / K. V. Purtov, V. N. Petushkov, N. S. Rodionova [et al.] // Bull. Russ. State Med. Univ. - 2021. - Is. 5. - P41-46, DOI 10.24075/vrgmu.2021.049. - Cited References:20 . - ISSN 2500-1094. - ISSN 2542-1204

РУБ Medicine, General & Internal
Рубрики:
BIOLUMINESCENCE
ANNELIDA
SYSTEM
Кл.слова (ненормированные):
bioluminescence -- luciferase -- polychaetes -- Chaetopterus variopedatus -- marine worms
Аннотация: The marine polychaete Chaetopterus variopedatus (Renier) (family Chaetopteridae) is a cosmopolitan species complex, consisting of distinct populations/subspecies. The worms release glowing (460 nm) clouds of mucus when disturbed, and their parapodia often glow brightly. Currently, it is still unclear how exactly the bioluminescence system of these polychaetes functions. It has been previously assumed that the C. variopedatus luciferase may be used for detection of ferroptosis, the recently explored pathway of programmed cell death, resulting from accumulation of the ferrous ions. This study was aimed to extract and characterize the C. variopedatus luciferases, as well as to compare luciferases obtained from C. variopedatus of different populations. When extracting the enzyme responsible for bioluminescence from the frozen samples of Brazilian C. variopedatus using the improved method, two active luciferases, L1 and L2, were obtained. We assumed that one of the listed above luciferases was responsible for luminescence of the mucus and the other luciferase was responsible for luminescence in parapodia, and used the method for the distinct samples of mucus and parapodia of the living Far Eastern C. variopedatus. However, mucus of the latter turned out to be non-glowing. It is shown that luciferase L2 is responsible for luminescence in the parapodia of the C. variopedatus polychaete, since this luciferase has been found in the total biomass of Brazilian polychaetes and parapodia of Far Eastern polychaetes. Luminescence of the Brazilian C. variopedatus mucus is attributed to the functioning of luciferase L1, which is lacking in the mucus of the Far Eastern subspecies. The range of luciferase isoforms in polychaetes C. variopedatus depends on the place of origin.

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Держатели документа:
Russian Acad Sci, Inst Biophys, Krasnoyarsk Sci Ctr, Siberian Branch, Moscow, Russia.
Shemyakin Ovchinnikov Inst Bioorgan Chem, Moscow, Russia.
Pacific State Med Univ, Vladivostok, Russia.
Pirogov Russian Natl Res Med Univ, Moscow, Russia.

Доп.точки доступа:
Purtov, K., V; Petushkov, V. N.; Rodionova, N. S.; Chepurnykh, T., V; Kozhemyako, V. B.; Zagitova, R., I; Shcheglov, A. S.; Ziganshin, R. H.; Tsarkova, A. S.

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