{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T03:56:18Z","timestamp":1767844578731,"version":"3.49.0"},"reference-count":31,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2005,1,11]],"date-time":"2005-01-11T00:00:00Z","timestamp":1105401600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Plant Journal"],"published-print":{"date-parts":[[2005,2]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Phylloquinone, a substituted 1,4\u2010naphthoquinone with an 18\u2010carbon\u2010saturated phytyl tail, functions as a bound one\u2010electron carrier cofactor at the A<jats:sub>1<\/jats:sub> site of photosystem I (PSI). A Feldmann tag line mutant, no. 2755 (designated as <jats:italic>abc4<\/jats:italic> hereafter), showed pale\u2010green young leaves and white old leaves. The mutated nuclear gene encoded 1,4\u2010dihydroxy\u20102\u2010naphtoic acid phytyltransferase, an enzyme of phylloquinone biosynthesis, and high\u2010performance liquid chromatography analysis revealed that the <jats:italic>abc4<\/jats:italic> mutant contained no phylloquinone, and only about 3% plastoquinone. Photooxidation of P700 of PSI in the <jats:italic>abc4<\/jats:italic> mutant was not observed, and reduced\u2010versus\u2010oxidized difference spectroscopy indicated that the <jats:italic>abc4<\/jats:italic> mutant had no P700. The maximum quantum yield of photosystem II (PSII) in the <jats:italic>abc4<\/jats:italic> mutant was much decreased, and the electron transfer from PSII to PSI in the <jats:italic>abc4<\/jats:italic> mutant did not occur. For the pale\u2010green leaves of the <jats:italic>abc4<\/jats:italic> mutant plant, the ultrastructure of the chloroplasts was almost the same as that of the wild\u2010type plant. However, the chloroplasts in the albino leaves of the mutant were smaller and had a lot of grana thylakoids and few stroma thylakoids. The amounts of PSI and PSII core subunits in the <jats:italic>abc4<\/jats:italic> mutant were significantly decreased compared with those in the wild type. These results suggested that a deficiency of phylloquinone in PSI caused the abolishment of PSI and a partial defect of PSII due to a significant decrease of plastoquinone, but did not influence the ultrastructure of the chloroplasts in young leaves.<\/jats:p>","DOI":"10.1111\/j.1365-313x.2004.02326.x","type":"journal-article","created":{"date-parts":[[2005,2,1]],"date-time":"2005-02-01T09:18:26Z","timestamp":1107249506000},"page":"627-637","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":65,"title":["Inactivation and deficiency of core proteins of photosystems I and II caused by genetical phylloquinone and plastoquinone deficiency but retained lamellar structure in a T\u2010DNA mutant of Arabidopsis"],"prefix":"10.1111","volume":"41","author":[{"given":"Hiroshi","family":"Shimada","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryoichi","family":"Ohno","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masaru","family":"Shibata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isamu","family":"Ikegami","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiyoshi","family":"Onai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masa\u2010aki","family":"Ohto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ken\u2010ichiro","family":"Takamiya","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,1,11]]},"reference":[{"key":"e_1_2_22_2_1","doi-asserted-by":"publisher","DOI":"10.1104\/pp.24.1.1"},{"key":"e_1_2_22_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/bi00405a015"},{"key":"e_1_2_22_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0014-5793(91)80042-2"},{"key":"e_1_2_22_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0960-9822(02)00483-9"},{"key":"e_1_2_22_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1432-1033.1991.tb15714.x"},{"key":"e_1_2_22_7_1","doi-asserted-by":"publisher","DOI":"10.1128\/jb.174.15.5063-5071.1992"},{"key":"e_1_2_22_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00249005"},{"key":"e_1_2_22_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/0005-2728(72)90147-8"},{"key":"e_1_2_22_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/0005-2728(75)90181-4"},{"key":"e_1_2_22_11_1","doi-asserted-by":"publisher","DOI":"10.1093\/oxfordjournals.pcp.a077727"},{"key":"e_1_2_22_12_1","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.275.12.8523"},{"key":"e_1_2_22_13_1","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.M104040200"},{"key":"e_1_2_22_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0005-2728(02)00396-1"},{"key":"e_1_2_22_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/0888-7543(95)80010-J"},{"key":"e_1_2_22_16_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-94-009-3535-8_9"},{"key":"e_1_2_22_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/0014-5793(86)81046-8"},{"key":"e_1_2_22_18_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00425-003-1019-2"},{"key":"e_1_2_22_19_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-313X.2003.01763.x"},{"key":"e_1_2_22_20_1","doi-asserted-by":"publisher","DOI":"10.1128\/jb.174.24.8111-8118.1992"},{"key":"e_1_2_22_21_1","first-page":"191","volume-title":"Biosynthesis of Isoprenoid compounds","author":"Pennock J.F.","year":"1981"},{"key":"e_1_2_22_22_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.81.24.8014"},{"key":"e_1_2_22_23_1","doi-asserted-by":"publisher","DOI":"10.1021\/bi011297w"},{"key":"e_1_2_22_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/0014-5793(86)81216-9"},{"key":"e_1_2_22_25_1","doi-asserted-by":"publisher","DOI":"10.1128\/jb.174.15.5057-5062.1992"},{"key":"e_1_2_22_26_1","doi-asserted-by":"publisher","DOI":"10.1128\/jb.175.15.4917-4921.1993"},{"key":"e_1_2_22_27_1","doi-asserted-by":"publisher","DOI":"10.1016\/0378-1119(95)00721-0"},{"key":"e_1_2_22_28_1","doi-asserted-by":"publisher","DOI":"10.1093\/jxb\/erh218"},{"key":"e_1_2_22_29_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0014-5793(00)02216-X"},{"key":"e_1_2_22_30_1","doi-asserted-by":"crossref","first-page":"364","DOI":"10.1515\/znc-1991-5-606","article-title":"Cell free synthesis of o\u2010succinylbenzoic acid in protein extracts from anthraquinone and phylloquinone (vitamin K1) producing plant cell suspension cultures. 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