Spatial and temporal profiles of cytokinin biosynthesis and accumulation in developing caryopses of maize | Zendy

Tomaž Rijavec | Zendy; Mukesh Jain | Zendy; Marina Dermastia | Zendy; Prem S. Chourey | Zendy

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Spatial and temporal profiles of cytokinin biosynthesis and accumulation in developing caryopses of maize

Author(s) -

Tomaž Rijavec,

Mukesh Jain,

Marina Dermastia,

Prem S. Chourey

Publication year - 2010

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcq247

Subject(s) - cytokinin , biology , endosperm , pedicel , caryopsis , zeatin , ovule , botany , microbiology and biotechnology , embryo , gene , poaceae , auxin , genetics

Cytokinins are a major group of plant hormones and are associated with various developmental processes. Developing caryopses of maize have high levels of cytokinins, but little is known about their spatial and temporal distribution. The localization and quantification of cytokinins was investigated in maize (Zea mays) caryopsis from 0 to 28 d after pollination together with the expression and localization of isopentenyltransferase ZmIPT1 involved in cytokinin biosynthesis and ZmCNGT, the gene putatively involved in N9-glucosylation.

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