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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2022.153691
|2 doi
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|a pubmed24n1133.xml
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|a (DE-627)NLM340120975
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|a (NLM)35483247
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|a (PII)S0176-1617(22)00077-3
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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 Liu, Xiaofang
|e verfasserin
|4 aut
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| 245 |
1 |
4 |
|a The dynamic changes of tracheary elements in an intraspecific quinoa (Chenopodium quinoa) graft
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 24.05.2022
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|a Date Revised 24.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier GmbH. All rights reserved.
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|a Vascular connection is key to successful graft. Little study has been devoted to the behavior of tracheary elements (TEs), the basic component of vascular bundles, during vascular connection between scion and rootstock. Here we report the structural changes of TEs at the graft interface between two quinoa cultivars, Qaidam White-1 (QW1) and Qaidam Red-1 (QR1). Our results showed that TEs in ungrafted plants developed following an ontogenetic sequence, i.e., the annular vessel, helical vessel, scalariform vessel, reticulate vessel, and pitted vessel. However, this process was greatly accelerated in grafted plants, resulting in quick developmental transition of TE wall patterning. At the early stage of intraspecific grafting (e.g., 5 days after grafting), the membrane-like cellular patches were heavily accumulated at the graft interface but quickly retreated within 2-4 days, suggesting an early emergency response to grafting. The TE length in both scion and rootstock was significantly shorter (more than 50% on average, nTE = 747) than the ungrafted plants in the same period. These short TEs were gradually integrated into a long, continuous conduit, thereby enabling the functional vasculature at the graft union. In addition, the pit size was gradually reduced, for example, for the surface area of outer pit aperture, from 12.73 ± 3.15 to 5.40 ± 0.30 μm2, or for the surface area of inner pit aperture, from 9.34 ± 3.33 to 1.96 ± 1.04 μm2, in 18 days (npits = 2830). Taken together, the morphological changes of TEs and cellular responses to grafting in the intraspecific grafts seemed to be conservative to other homografts and heterografts, implying that these behavioral changes are highly adaptive to the scion-rootstock interaction
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|a Journal Article
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|a Grafting
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| 650 |
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4 |
|a Pits
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| 650 |
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4 |
|a Quinoa
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| 650 |
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4 |
|a Short TEs
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| 650 |
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4 |
|a Short vessels
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| 650 |
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4 |
|a Tracheary element
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| 650 |
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4 |
|a Vascular continuity
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| 650 |
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4 |
|a Xylem connection
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| 700 |
1 |
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|a Wu, Huiyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zeng, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deng, Zhuying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Dacheng
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 273(2022) vom: 15. Juni, Seite 153691
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:273
|g year:2022
|g day:15
|g month:06
|g pages:153691
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|u http://dx.doi.org/10.1016/j.jplph.2022.153691
|3 Volltext
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