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20231222190741.0 |
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231222s2002 xx ||||| 00| ||eng c |
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|a pubmed24n0401.xml
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|a (DE-627)NLM120375613
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|a (NLM)12177123
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Di Baccio, D
|e verfasserin
|4 aut
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|a Bleaching herbicide effects on plastids of dark-grown plants
|b lipid composition of etioplasts in amitrole and norflurazon-treated barley leaves
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|c 2002
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 28.10.2002
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|a Date Revised 13.05.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a The effects of the bleaching herbicides amitrole (125 micro M) and norflurazon (100 micro M) on etioplast lipids were studied in barley plants (Hordeum vulgare L. cv. Express) grown for 7 d either at 20 degrees C or 30 degrees C in darkness. Total lipid, glycolipid and phospholipid contents of control etioplasts were increased at 30 degrees C in comparison with those at 20 degrees C. The two herbicides caused a decrease in the total lipid, glycolipid and phospholipid amounts compared to the untreated etioplasts and lowered the lipid to protein ratio. In the controls, monogalactosyldiacylglycerol (MGDG) and digalactosyldiacylglycerol (DGDG) accounted for about 66 mol% of the etioplast polar lipids, while the remainder was represented by sulphoquinovosyldiacylglycerol (SQDG) and phosphatidylglycerol (PG), in approximately equal proportions. Both amitrole and norflurazon increased MGDG at both temperatures, but decreased DGDG except with norflurazon at 30 degrees C. As a consequence, the MGDG to DGDG molar ratio was higher in the herbicide-treated etioplasts compared to the controls at both the growth temperatures. The amount of the negatively charged polar lipids SQDG and PG were decreased by treatments with amitrole at 20 degrees C and norflurazon at 30 degrees C. The two herbicides determined different responses in the fatty acid unsaturation of the individual polar lipids. Changes in the lipid composition of etioplasts and the interaction between the pigment-protein complex, protochlorophyllide-NADPH-protochlorophyllide oxidoreductase, and polar lipids are discussed
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Diglycerides
|2 NLM
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|a Galactolipids
|2 NLM
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|a Glycolipids
|2 NLM
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|a Herbicides
|2 NLM
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|a Phospholipids
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Pyridazines
|2 NLM
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|a digalactosyldiacylglycerol
|2 NLM
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|a monogalactosyldiacylglycerol
|2 NLM
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|a sulfoquinovosyl diglyceride
|2 NLM
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|a Chlorophyll
|2 NLM
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|a 1406-65-1
|2 NLM
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|a Oxidoreductases
|2 NLM
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|a EC 1.-
|2 NLM
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|a Oxidoreductases Acting on CH-CH Group Donors
|2 NLM
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|a EC 1.3.-
|2 NLM
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|a protochlorophyllide reductase
|2 NLM
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|a EC 1.3.1.33
|2 NLM
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|a norflurazone
|2 NLM
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|a KES1HB07E4
|2 NLM
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|a Amitrole
|2 NLM
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|a ZF80H5GXUF
|2 NLM
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|a Quartacci, M F
|e verfasserin
|4 aut
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|a Vecchia, F Dalla
|e verfasserin
|4 aut
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|a La Rocca, N
|e verfasserin
|4 aut
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| 700 |
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|a Rascio, N
|e verfasserin
|4 aut
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| 700 |
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|a Navari-Izzo, Flavia
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 53(2002), 376 vom: 15. Sept., Seite 1857-65
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:53
|g year:2002
|g number:376
|g day:15
|g month:09
|g pages:1857-65
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|d 53
|j 2002
|e 376
|b 15
|c 09
|h 1857-65
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