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Methylation of gibberellins by Arabidopsis GAMT1 and GAMT2

Varbanova, Marina; Yamaguchi, Shinjiro; Yang, Yue; McKelvey, Katherine; Hanada, Atsushi; Borochov, Roy; Yu, Fei; Jikumaru, Yusuke; Ross, Jeannine; Cortes, Diego; Ma, Choong Je; Noel, Joseph P; Mander, Lewis; Shulaev, Vladimir; Kamiya, Yuji; Rodermel, Steve; Weiss, David; Pichersky, Eran


Arabidopsis thaliana GAMT1 and GAMT2 encode enzymes that catalyze formation of the methyl esters of gibberellins (GAs). Ectopic expression of GAMT1 or GAMT2 in Arabidopsis, tobacco (Nicotiana tabacum), and petunia (Petunia hybrida) resulted in plants with GA deficiency and typical GA deficiency phenotypes, such as dwarfism and reduced fertility. GAMT1 and GAMT2 are both expressed mainly in whole siliques (including seeds), with peak transcript levels from the middle until the end of silique...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: The Plant Cell
DOI: 10.1105/tpc.106.044602


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