{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T19:26:00Z","timestamp":1771874760120,"version":"3.50.1"},"reference-count":19,"publisher":"Wiley","issue":"1-2","license":[{"start":{"date-parts":[[2001,12,7]],"date-time":"2001-12-07T00:00:00Z","timestamp":1007683200000},"content-version":"vor","delay-in-days":4029,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["FEBS Letters"],"published-print":{"date-parts":[[1990,11,26]]},"abstract":"<jats:p>A <jats:italic>Drosophila<\/jats:italic> gene encoding a protein phosphatase 1(PPI) has been sequenced, and lethal mutations in this locus (87B) analysed. Two mutants (<jats:italic>ck19<\/jats:italic>\n<jats:sup>e211<\/jats:sup> and <jats:italic>ck19<\/jats:italic>\n<jats:sup>hs46<\/jats:sup>), which disrupt mitosis, lack the 87B isoenzyme and express only \u223c20% of wild type PPI activity. The Promoter region of the gene is deleted in the <jats:italic>ck19<\/jats:italic>\n<jats:sup>e11<\/jats:sup> mutant. A third mutant (<jats:italic>ck19<\/jats:italic>\n<jats:sup>e078<\/jats:sup>), which shows suppression of position effect variegation, but has little effect on mitosis, possesses \u223c35% of wild type PPI activity. The results indicate that the PPI 87B isoenzyme is involved in regulation of chromosome condensation at interphase as well as mitosis.<\/jats:p>","DOI":"10.1016\/0014-5793(90)81434-p","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T07:44:17Z","timestamp":1027583057000},"page":"39-43","source":"Crossref","is-referenced-by-count":58,"title":["Protein phosphatase 1 activity in <i>Drosophila<\/i> mutants with abnormalities in mitosis and chromosome condensation"],"prefix":"10.1002","volume":"275","author":[{"given":"Viktor","family":"Dombr\u00e1di","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.Myles","family":"Axton","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hazel M.","family":"Barker","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia T.W.","family":"Cohen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2001,12,7]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/344503a0"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.bi.58.070189.002321"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9258(20)88197-6"},{"key":"e_1_2_1_5_1","first-page":"447","volume":"5","author":"Cohen P.T.W.","year":"1989","journal-title":"Advl. 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