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20231223100546.0 |
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231223s2006 xx ||||| 00| ||eng c |
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|a pubmed24n0545.xml
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|a (DE-627)NLM163538093
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|a (NLM)16777530
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Hatzilazarou, Stefanos P
|e verfasserin
|4 aut
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| 245 |
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|a Peroxidases, lignin and anatomy during in vitro and ex vitro rooting of gardenia (Gardenia jasminoides Ellis) microshoots
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| 264 |
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|c 2006
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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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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| 500 |
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|a Date Completed 30.08.2006
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In vitro and ex vitro rooting of gardenia (Gardenia jasminoides Ellis) microshoots with or without indolic-3-butyric acid (IBA) was studied in order to improve acclimatization of microplants after root formation and transplantation. Peroxidase (POD) activity and isoforms, lignin content and anatomical observations were evaluated in the course of the three interdependent phases (induction, initiation and expression) of microshoot rooting. Microshoots treated or not treated with IBA achieved high rooting percentages both in vitro and ex vitro. At the end of the 2-week acclimatization period, the percentage of surviving microplants ranged from 80% to 100%, for in vitro and ex vitro rooted microshoots, respectively. Microshoots rooted in vitro and ex vitro showed a relationship between rooting and POD activity but in a different time course. It appeared that root formation occurred after the microshoots had reached and passed a peak of maximum enzyme activity. In all treatments, electrophoretic analysis (native PAGE) of PODs revealed the appearance of one anionic and three cationic POD isoforms (C(1), C(3) and C(4)). An additional cationic POD isoform (C(2)) appeared only in the ex vitro rooting. The lignin content was similar in microshoots rooted both in vitro and ex vitro. The sequential anatomical changes during the rooting process were similar in both in vitro and ex vitro rooting treatments. In the case of in vitro rooting, pith cells had vacuoles entirely filled with a dark substance, while in the case of ex vitro rooting, pith cells contained many amyloplasts. The origin of the adventitious roots, in both rooting conditions, was located in the cambial ring. Roots with organized tissue systems emerged from the microshoot stem 10-14 days after the root induction treatments; on day 10 for rooting in vitro, while a 4-day delay was noted in microshoots rooted ex vitro
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| 650 |
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|a Comparative Study
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| 650 |
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|a Journal Article
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|a Indoles
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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7 |
|a Protein Isoforms
|2 NLM
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| 650 |
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7 |
|a indolebutyric acid
|2 NLM
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| 650 |
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7 |
|a 061SKE27JP
|2 NLM
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| 650 |
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7 |
|a Lignin
|2 NLM
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| 650 |
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7 |
|a 9005-53-2
|2 NLM
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| 650 |
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7 |
|a Peroxidases
|2 NLM
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| 650 |
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7 |
|a EC 1.11.1.-
|2 NLM
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| 700 |
1 |
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|a Syros, Thomas D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yupsanis, Traianos A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bosabalidis, Artemios M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Economou, Athanasios S
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 163(2006), 8 vom: 30. Juli, Seite 827-36
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:163
|g year:2006
|g number:8
|g day:30
|g month:07
|g pages:827-36
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| 912 |
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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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| 912 |
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|a GBV_ILN_350
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| 951 |
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|a AR
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| 952 |
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|d 163
|j 2006
|e 8
|b 30
|c 07
|h 827-36
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