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'analysis': [66], 'then': [68], 'inactivated': [70], 'by': [71, 171], 'insertional': [72], 'mutagenesis.': [73], 'The': [74, 103, 119], 'isogenic': [75, 191], 'hag': [76, 104, 194, 238, 247], 'mutant': [77, 112, 196, 214, 239, 248], 'unable': [79], 'lost': [85], 'its': [86], 'autoagglutinate': [89], 'but': [90], 'still': [92], 'attached': [93], 'at': [94], 'wild-type': [95], 'levels': [96], 'several': [98], 'epithelial': [100], 'cell': [101, 129], 'lines.': [102], 'mutation': [105], 'also': [106], 'eliminated': [107], 'bind': [115], 'immunoglobulin': [117], 'Hag': [123, 218, 268], 'surface,': [130], 'as': [131, 133], 'well': [132], 'that': [134, 215, 240, 249, 265], 'UspA1': [137, 271], 'UspA2': [139, 251, 273], 'proteins': [140], '(C.': [141], 'Aebi,': [142], 'I.': [143], 'Maciver,': [144], 'J.': [145, 163], 'L.': [146, 148], 'Latimer,': [147], 'Cope,': [150], 'K.': [152], 'Stevens,': [153], 'E.': [155, 162], 'Thomas,': [156], 'G.': [157], 'H.': [158], 'McCracken,': [159], 'Jr.,': 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