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231225s2018 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1111/nph.15004
|2 doi
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|a pubmed24n0935.xml
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|a (DE-627)NLM280534426
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|a (NLM)29393510
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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 Yang, Jungil
|e verfasserin
|4 aut
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| 245 |
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|a SWEET11 and 15 as key players in seed filling in rice
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|c 2018
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 19.09.2019
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|a Date Revised 08.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.
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|a Despite the relevance of seed-filling mechanisms for crop yield, we still have only a rudimentary understanding of the transport processes that supply the caryopsis with sugars. We hypothesized that SWEET sucrose transporters may play important roles in nutrient import pathways in the rice caryopsis. We used a combination of mRNA quantification, histochemical analyses, translational promoter-reporter fusions and analysis of knockout mutants created by genomic editing to evaluate the contribution of SWEET transporters to seed filling. In rice caryopses, SWEET11 and 15 had the highest mRNA levels and proteins localized to four key sites: all regions of the nucellus at early stages; the nucellar projection close to the dorsal vein; the nucellar epidermis that surrounds the endosperm; and the aleurone. ossweet11;15 double knockout lines accumulated starch in the pericarp, whereas caryopses did not contain a functional endosperm. Jointly, SWEET11 and 15 show all the hallmarks of being necessary for seed filling with sucrose efflux functions at the nucellar projection and a role in transfer across the nucellar epidermis/aleurone interface, delineating two major steps for apoplasmic seed filling, observations that are discussed in relation to observations made in rice and barley regarding the relative prevalence of these two potential import routes
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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4 |
|a SWEET
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4 |
|a apoplasmic pathway
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| 650 |
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4 |
|a caryopsis
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| 650 |
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|a endosperm
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| 650 |
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4 |
|a rice
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| 650 |
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|a sucrose transporter
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a RNA, Messenger
|2 NLM
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| 700 |
1 |
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|a Luo, Dangping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Bing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Frommer, Wolf B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Eom, Joon-Seob
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 218(2018), 2 vom: 27. Apr., Seite 604-615
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:218
|g year:2018
|g number:2
|g day:27
|g month:04
|g pages:604-615
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|u http://dx.doi.org/10.1111/nph.15004
|3 Volltext
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|d 218
|j 2018
|e 2
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|h 604-615
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