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In addition, scales are osmiophilic and readily visible in conventional transmission electron microscopy; thus, details of scale assembly and sorting can be studied without invoking immunolabeling techniques. The following are distinctive features of scale biogenesis in algae: (1) transport of scales through the GA\u2010stack occurs by cisternal progression; (2) scale secretion may be very rapid (in some cases a single GA\u2010cisterna leaves the stack every 15\u201320 s); (3) sorting of different scale types does not occur in the GA, but in a post\u2010GA\u2010compartment. Recent progress in the analysis of scale formation in the green flagellates <jats:italic>Tetraselmis<\/jats:italic> and <jats:italic>Scherffelia<\/jats:italic> is reviewed.<\/jats:p>","DOI":"10.1002\/jemt.1060170205","type":"journal-article","created":{"date-parts":[[2005,2,24]],"date-time":"2005-02-24T08:37:37Z","timestamp":1109234257000},"page":"165-178","source":"Crossref","is-referenced-by-count":70,"title":["Scale formation in algae"],"prefix":"10.1002","volume":"17","author":[{"given":"Michael","family":"Melkonian","sequence":"first","affiliation":[]},{"given":"Burkhard","family":"Becker","sequence":"additional","affiliation":[]},{"given":"Dieter","family":"Becker","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2005,2,4]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0254-6299(16)31617-9"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01418596"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1432-1033.1989.tb14811.x"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1042\/bj1420139"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1083\/jcb.41.1.109"},{"key":"e_1_2_1_7_1","first-page":"361","article-title":"Movement of the protoplast and function of the Golgi apparatus in algae","volume":"7","author":"Brown R. 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