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231223s2003 xx ||||| 00| ||eng c |
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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 Spundová, Martina
|e verfasserin
|4 aut
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|a Ultra-structural and functional changes in the chloroplasts of detached barley leaves senescing under dark and light conditions
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| 264 |
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|c 2003
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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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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 09.02.2004
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|a Date Revised 16.03.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a Changes in the chloroplast ultra-structure and photochemical function were studied in detached barley (Hordeum vulgare L. cv. Akcent) leaf segments senescing in darkness or in continuous white light of moderate intensity (90 mumol m-2 s-1) for 5 days. A rate of senescence-induced chlorophyll degradation was similar in the dark- and light-senescing segments. The Chl a/b ratio was almost unchanged in the dark-senescing segments, whereas in the light-senescing segments an increase in this ratio was observed indicating a preferential degradation of light-harvesting complexes of photosystem II. A higher level of thylakoid disorganisation (especially of granal membranes) and a very high lipid peroxidation were observed in the light-senescing segments. In spite of these findings, both the maximal and actual photochemical quantum yields of the photosystem II were highly maintained in comparison with the dark-senescing segments
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Photosystem II Protein Complex
|2 NLM
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| 650 |
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|a Chlorophyll
|2 NLM
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| 650 |
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|a chlorophyll b
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|a 5712ZB110R
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|a Chlorophyll A
|2 NLM
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| 650 |
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|a YF5Q9EJC8Y
|2 NLM
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| 700 |
1 |
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|a Popelková, Hana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ilík, Petr
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Skotnica, Jirí
|e verfasserin
|4 aut
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| 700 |
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|a Novotný, Radko
|e verfasserin
|4 aut
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| 700 |
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|a Naus, Jan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 160(2003), 9 vom: 01. Sept., Seite 1051-8
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:160
|g year:2003
|g number:9
|g day:01
|g month:09
|g pages:1051-8
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