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Ca2+-regulated photoproteins: Structural insight into the bioluminescence mechanism [Text] / E. S. Vysotski, J. . Lee // Accounts Chem. Res. - 2004. - Vol. 37, Is. 6. - P405-415, DOI 10.1021/ar0400037. - Cited References: 44 . - ISSN 0001-4842

РУБ Chemistry, Multidisciplinary
Рубрики:
AEQUORIN BIOLUMINESCENCE
   SEQUENCE-ANALYSIS
   CALCIUM-BINDING
   CA2+-BINDING PHOTOPROTEIN
   VIOLET BIOLUMINESCENCE
   ANGSTROM RESOLUTION
   FUNCTIONAL PART
   EXCITED-STATES
   W92F OBELIN
   COELENTERAZINE
Аннотация: The bioluminescent jellyfish has contributed two famous proteins to modern science: green fluorescent protein or GFP, which finds wide use as a probe in cell biology studies, and aequorin, which has been used for intracellular calcium measurement for more than 30 years. More recently, obelin, a protein from the bioluminescent hydroid and also in the family of what are called "Ca2+-regulated photoproteins", has been shown to have very attractive properties both in general applications and for basic structural biology investigations. This review will survey the new information into their molecular mechanism of bioluminescence action.

Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
Univ Georgia, Dept Biochem & Mol Biol, Athens, GA 30602 USA
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Vysotski, E.S.; Lee, J...

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Bioluminescent properties of obelin and aequorin with novel coelenterazine analogues [Text] / R. . Gealageas [et al.] // Anal. Bioanal. Chem. - 2014. - Vol. 406, Is. 11. - P2695-2707, DOI 10.1007/s00216-014-7656-4. - Cited References: 57. - R.G. acknowledges the ICSN for a fellowship. We are grateful for the ANR grant to P.B. and a CNRS Physics, Chemistry and Biology interface grant to R.H.D. and P.B.; N.P.M, L.P.B., and E.S.V. acknowledge the RFBR grant 12-04-00131 and the Program of the Government of Russian Federation "Measures to attract leading scientists to Russian educational institutions" (grant 11.G34.31.0058). P.B. and A.J.B. are indebted to Eric Karplus from Science Wares Inc. for helping with single-photon imaging software. . - ISSN 1618-2642. - ISSN 1618-2650

РУБ Biochemical Research Methods + Chemistry, Analytical
Рубрики:
PHOTOPROTEIN OBELIN
   CRYSTAL-STRUCTURE
   CA2+-REGULATED PHOTOPROTEINS
   CA2+-ACTIVATED PHOTOPROTEIN
   SEMISYNTHETIC AEQUORINS
   ANGSTROM RESOLUTION
   RECOMBINANT OBELIN
   BINDING PROTEIN
   CALCIUM-BINDING
   CA2+ DYNAMICS
Кл.слова (ненормированные):
Bioluminescence -- Luciferase -- Photoprotein -- Coelenterazine
Аннотация: The main analytical use of Ca2+-regulated photoproteins from luminous coelenterates is for real-time non-invasive visualization of intracellular calcium concentration ([Ca2+](i)) dynamics in cells and whole organisms. A limitation of this approach for in vivo deep tissue imaging is the fact that blue light emitted by the photoprotein is highly absorbed by tissue. Seven novel coelenterazine analogues were synthesized and their effects on the bioluminescent properties of recombinant obelin from Obelia longissima and aequorin from Aequorea victoria were evaluated. Only analogues having electron-donating groups (m-OCH3 and m-OH) on the C6 phenol moiety or an extended resonance system at the C8 position (1-naphthyl and alpha-styryl analogues) showed a significant red shift of light emission. Of these, only the alpha-styryl analogue displayed a sufficiently high light intensity to allow eventual tissue penetration. The possible suitability of this compound for in vivo assays was corroborated by studies with aequorin which allowed the monitoring of [Ca2+](i) dynamics in cultured CHO cells and in hippocampal brain slices. Thus, the alpha-styryl coelenterazine analogue might be potentially useful for non-invasive, in vivo bioluminescence imaging in deep tissues of small animals.

WOS
Держатели документа:
[Gealageas, Ronan
Dodd, Robert H.] Ctr Natl Rech Sci, Inst Chim Subst Nat, UPR 2301, F-91198 Gif Sur Yvette, France
[Malikova, Natalia P.
Burakova, Ludmila P.
Vysotski, Eugene S.] Russian Acad Sci, Inst Biophys, Siberian Branch, Photobiol Lab, Krasnoyarsk 660036, Russia
[Malikova, Natalia P.
Burakova, Ludmila P.
Vysotski, Eugene S.] Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Lab Bioluminescent Biotechnol, Krasnoyarsk 660041, Russia
[Picaud, Sandrine
Borgdorff, Aren J.
Brulet, Philippe] Ctr Natl Rech Sci, Inst Neurosci Alfred Fessard, UPR 3294, F-91198 Gif Sur Yvette, France
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gealageas, R...; Malikova, N.P.; Picaud, S...; Borgdorff, A.J.; Burakova, L.P.; Brulet, P...; Vysotski, E.S.; Dodd, R.H.; ICSN; CNRS Physics, Chemistry and Biology interface grant; RFBR [12-04-00131]; Government of Russian Federation [11.G34.31.0058]; ANR

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