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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2020.10.018
|2 doi
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|a pubmed25n1056.xml
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|a (DE-627)NLM316988510
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|a (NLM)33130401
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|a (PII)S0981-9428(20)30520-9
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a V, Prathap
|e verfasserin
|4 aut
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|a Correlation between expression and activity of ADP glucose pyrophosphorylase and starch synthase and their role in starch accumulation during grain filling under drought stress in rice
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|c 2020
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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 27.01.2021
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|a Date Revised 27.01.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020. Published by Elsevier Masson SAS.
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|a ADP glucose pyrophosphorylase (AGPase, EC 2.7.7.27) and starch synthase (SS, EC 2.4.1.21) are key regulatory enzymes involved in the starch biosynthesis. Comprehensive analysis of transcription levels of ADP-glucose pyrophosphorylase and starch synthase genes was performed in leaves, roots, and developing grains of drought susceptible (IR64) and drought-tolerant (N22) cultivars under applied water deficit stress (WDS). AGPase and SS genes are differentially regulated in leaves, roots, and grains under the drought stress. The expression pattern of SS and AGPase genes was correlated with the activity of both AGPase, SS, and starch content of developing grains under the drought. Drought stress reduced transitory starch in leaves and enhanced storage starch in developing grains. An increase in the activity of AGPase in developing grains was due to induced expression of ADP glucose pyrophosphorylase large subunit 3 (AGPL3) in N22 and both ADP glucose pyrophosphorylase small subunit 2 (AGPS2) & ADP glucose pyrophosphorylase large subunit 3 (AGPL3) in IR64 and a positive correlation was established with starch content. Similarly, an increase in the SS activity in developing grains was due to induced expression of soluble starch synthase (SSIIB, SSIVA, and SSIVB) in N22 and SSIVB in IR64
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|a Journal Article
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|a AGPL
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|a AGPS
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|a AGPase
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|a Drought
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|a Rice
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|a SS
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|a Starch synthase
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|a Plant Proteins
|2 NLM
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|a Starch
|2 NLM
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|a 9005-25-8
|2 NLM
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| 650 |
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|a Starch Synthase
|2 NLM
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| 650 |
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|a EC 2.4.1.21
|2 NLM
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| 650 |
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|a Glucose-1-Phosphate Adenylyltransferase
|2 NLM
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| 650 |
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|a EC 2.7.7.27
|2 NLM
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| 700 |
1 |
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|a Tyagi, Aruna
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 157(2020) vom: 30. Dez., Seite 239-243
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
1 |
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|g volume:157
|g year:2020
|g day:30
|g month:12
|g pages:239-243
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|u http://dx.doi.org/10.1016/j.plaphy.2020.10.018
|3 Volltext
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|d 157
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|h 239-243
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