首页> 外文期刊>Russian journal of genetics >The influence of the limk1 gene polymorphism on learning acquisition and memory formation, pCREB distribution and aggregate formation in neuromuscular junctions in Drosophila melanogaster
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The influence of the limk1 gene polymorphism on learning acquisition and memory formation, pCREB distribution and aggregate formation in neuromuscular junctions in Drosophila melanogaster

机译:利用LiMK1基因多态性对果蝇的神经肌肉交叉点学习率和记忆形成,PCREB分布及骨料形成的影响

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We have shown previously that the polymorphic structure of the limk1 gene in Drosophila leads to changes in LIMK1 content and to defects in courtship behavior, sound production, and learning/memory. The results of the present study of three wild-type strains and mutant agn (ts3) with altered limk1 structure demonstrate that long-term memory is normal in Canton-S and Oregon-R but is impaired in Berlin and drastically suppressed in agn (ts3) . This temperature-sensitive mutant carries the S-element from the Tc1/mariner family insertion near the dlimk1 3'-UTR and, compared to Canton-S, has a reverse pCREB distribution in adult neuromuscular junctions (NMJ) of the second dorsal imago nerve before and after learning. Moreover, only agn (ts3) demonstrates amyloid-like aggregate formation in NMJ. This suggests that this impedes pCREb transport and thereby impairs the formation of short- and long-term memory.
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