Evidence that auxin is required for normal seed size and starch synthesis in pea

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 216(2017), 1 vom: 15. Okt., Seite 193-204
1. Verfasser: McAdam, Erin L (VerfasserIn)
Weitere Verfasser: Meitzel, Tobias, Quittenden, Laura J, Davidson, Sandra E, Dalmais, Marion, Bendahmane, Abdelhafid I, Thompson, Richard, Smith, Jennifer J, Nichols, David S, Urquhart, Shelley, Gélinas-Marion, Ariane, Aubert, Gregoire, Ross, John J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Pisum sativum (pea) auxin chlorinated auxin mutants seed development starch Indoleacetic Acids 2,4-Dichlorophenoxyacetic Acid 2577AQ9262 mehr... Sucrose 57-50-1 Starch 9005-25-8
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520 |a In recent years the biosynthesis of auxin has been clarified with the aid of mutations in auxin biosynthesis genes. However, we know little about the effects of these mutations on the seed-filling stage of seed development. Here we investigate a key auxin biosynthesis mutation of the garden pea, which results in auxin deficiency in developing seeds. We exploit the large seed size of this model species, which facilitates the measurement of compounds in individual seeds. The mutation results in small seeds with reduced starch content and a wrinkled phenotype at the dry stage. The phenotypic effects of the mutation were fully reversed by introduction of the wild-type gene as a transgene, and partially reversed by auxin application. The results indicate that auxin is required for normal seed size and starch accumulation in pea, an important grain legume crop 
650 4 |a Journal Article 
650 4 |a Pisum sativum (pea) 
650 4 |a auxin 
650 4 |a chlorinated auxin 
650 4 |a mutants 
650 4 |a seed development 
650 4 |a starch 
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650 7 |a 57-50-1  |2 NLM 
650 7 |a Starch  |2 NLM 
650 7 |a 9005-25-8  |2 NLM 
700 1 |a Meitzel, Tobias  |e verfasserin  |4 aut 
700 1 |a Quittenden, Laura J  |e verfasserin  |4 aut 
700 1 |a Davidson, Sandra E  |e verfasserin  |4 aut 
700 1 |a Dalmais, Marion  |e verfasserin  |4 aut 
700 1 |a Bendahmane, Abdelhafid I  |e verfasserin  |4 aut 
700 1 |a Thompson, Richard  |e verfasserin  |4 aut 
700 1 |a Smith, Jennifer J  |e verfasserin  |4 aut 
700 1 |a Nichols, David S  |e verfasserin  |4 aut 
700 1 |a Urquhart, Shelley  |e verfasserin  |4 aut 
700 1 |a Gélinas-Marion, Ariane  |e verfasserin  |4 aut 
700 1 |a Aubert, Gregoire  |e verfasserin  |4 aut 
700 1 |a Ross, John J  |e verfasserin  |4 aut 
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