Differential expression of structural genes for the late phase of phytic acid biosynthesis in developing seeds of wheat (Triticum aestivum L.)

Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 224(2014) vom: 01. Juli, Seite 74-85
1. Verfasser: Bhati, Kaushal Kumar (VerfasserIn)
Weitere Verfasser: Aggarwal, Sipla, Sharma, Shivani, Mantri, Shrikant, Singh, Sudhir P, Bhalla, Sherry, Kaur, Jagdeep, Tiwari, Siddharth, Roy, Joy K, Tuli, Rakesh, Pandey, Ajay K
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Gene expression Inositol phosphate kinases Multidrug resistance protein Phytic acid pathway Seed development Triticum aestivum Plant Proteins RNA, Messenger mehr... Phytic Acid 7IGF0S7R8I Phosphotransferases EC 2.7.- Phosphotransferases (Alcohol Group Acceptor) EC 2.7.1.- inositol pentakisphosphate kinase
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100 1 |a Bhati, Kaushal Kumar  |e verfasserin  |4 aut 
245 1 0 |a Differential expression of structural genes for the late phase of phytic acid biosynthesis in developing seeds of wheat (Triticum aestivum L.) 
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520 |a In cereals, phytic acid (PA) or inositol hexakisphosphate (IP6) is a well-known phosphate storage compound as well as major chelator of important micronutrients (iron, zinc, calcium, etc.). Genes involved in the late phases of PA biosynthesis pathway are known in crops like maize, soybeans and barley but none have been reported from wheat. Our in silico analysis identified six wheat genes that might be involved in the biosynthesis of inositol phosphates. Four of the genes were inositol tetraphosphate kinases (TaITPK1, TaITPK2, TaITPK3, and TaITPK4), and the other two genes encode for inositol triphosphate kinase (TaIPK2) and inositol pentakisphosphate kinase (TaIPK1). Additionally, we identified a homolog of Zmlpa-1, an ABCC subclass multidrug resistance-associated transporter protein (TaMRP3) that is putatively involved in PA transport. Analyses of the mRNA expression levels of these seven genes showed that they are differentially expressed during seed development, and that some are preferentially expressed in aleurone tissue. These results suggest selective roles during PA biosynthesis, and that both lipid-independent and -dependent pathways are active in developing wheat grains. TaIPK1 and TaMRP3 were able to complement the yeast ScΔipk1 and ScΔycf1 mutants, respectively, providing evidence that the wheat genes have the expected biochemical functions. This is the first comprehensive study of the wheat genes involved in the late phase of PA biosynthesis. Knowledge generated from these studies could be utilized to develop strategies for generating low phyate wheat 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Gene expression 
650 4 |a Inositol phosphate kinases 
650 4 |a Multidrug resistance protein 
650 4 |a Phytic acid pathway 
650 4 |a Seed development 
650 4 |a Triticum aestivum 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a RNA, Messenger  |2 NLM 
650 7 |a Phytic Acid  |2 NLM 
650 7 |a 7IGF0S7R8I  |2 NLM 
650 7 |a Phosphotransferases  |2 NLM 
650 7 |a EC 2.7.-  |2 NLM 
650 7 |a Phosphotransferases (Alcohol Group Acceptor)  |2 NLM 
650 7 |a EC 2.7.1.-  |2 NLM 
650 7 |a inositol pentakisphosphate kinase  |2 NLM 
650 7 |a EC 2.7.1.-  |2 NLM 
700 1 |a Aggarwal, Sipla  |e verfasserin  |4 aut 
700 1 |a Sharma, Shivani  |e verfasserin  |4 aut 
700 1 |a Mantri, Shrikant  |e verfasserin  |4 aut 
700 1 |a Singh, Sudhir P  |e verfasserin  |4 aut 
700 1 |a Bhalla, Sherry  |e verfasserin  |4 aut 
700 1 |a Kaur, Jagdeep  |e verfasserin  |4 aut 
700 1 |a Tiwari, Siddharth  |e verfasserin  |4 aut 
700 1 |a Roy, Joy K  |e verfasserin  |4 aut 
700 1 |a Tuli, Rakesh  |e verfasserin  |4 aut 
700 1 |a Pandey, Ajay K  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant science : an international journal of experimental plant biology  |d 1985  |g 224(2014) vom: 01. Juli, Seite 74-85  |w (DE-627)NLM098174193  |x 1873-2259  |7 nnns 
773 1 8 |g volume:224  |g year:2014  |g day:01  |g month:07  |g pages:74-85 
856 4 0 |u http://dx.doi.org/10.1016/j.plantsci.2014.04.009  |3 Volltext 
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