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[61], '382': [63], 'hNopp140.': [65], 'By': [66], 'double': [67], 'immunofluorescence,': [68], 'hNopp140': [69, 187, 215, 227], 'colocalized': [71], 'I': [75, 97, 149], 'at': [76], 'rDNA': [78, 181], '(rRNA': [79], 'genes)': [80], 'transcription': [81, 156], 'active': [82], 'foci': [83], 'These': [87, 165], 'results': [88], 'suggest': [89, 173], 'can': [92], 'interact': [93], 'vivo.': [99], 'Transfected': [100], 'cells': [101], 'expressing': [102], 'amino-terminal': [104], 'half': [105], 'hNopp140,': [107], 'hNopp140N382': [108, 142, 172], '(amino': [109], '1': [111], '382),': [113], 'displayed': [114], 'altered': [115], 'nucleoli': [116, 127], 'crescent-shaped': [118], 'structures.': [119], 'This': [120], 'phenotype': [121], 'reminiscent': [123], 'segregated': [126], 'induced': [128], 'by': [129, 159], 'actinomycin': [130], 'D': [131], 'treatment,': [132], 'which': [133, 207], 'known': [135], 'inhibit': [137], 'rRNA': [138, 154], 'synthesis.': [139], 'Consistently,': [140], 'protein': [143], 'mislocalized': [144], 'endogenous': [146], 'shut': [151], 'off': [152], 'cellular': [153], 'gene': [155], 'as': [157], 'revealed': [158], 'situ': [162], 'run-on': [163], 'assay.': [164], 'dominant': [166], 'negative': [167], 'effects': [168], 'mutant': [171], 'plays': [176], 'essential': [178], 'role': [179], 'transcription.': [182], 'Interestingly,': [183], 'ectopic': [184], 'expression': [185], 'a': [189, 197], 'very': [190], 'high': [191], 'level': [192], 'caused': [193], 'formation': [195], 'transcriptionally': [198], 'inactive': [199], 'spherical': [200], 'structure': [201], 'occupying': [202], 'entire': [204], 'area': [206], 'trapped': [208], 'fibrillarin,': [213], 'but': [216], 'excluded': [217], 'nucleolin.': [219], 'The': [220], 'mislocalizations': [221], 'these': [223], 'proteins': [225], 'after': [226], 'overexpression': [228], 'imply': [229], 'may': [232], 'play': [234], 'roles': [235], 'maintenance': [237], 'integrity.': [240]}, 'cited_by_api_url': 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