Identification of polyamine oxidase genes from apple and expression analysis during fruit development and cell growth

Hiroyasu Kitashiba; Chikako Honda; Takaya Moriguchi

doi:10.5511/plantbiotechnology.23.425

Plant Biotechnology

Online ISSN : 1347-6114
Print ISSN : 1342-4580
ISSN-L : 1342-4580

Gene Notes

Identification of polyamine oxidase genes from apple and expression analysis during fruit development and cell growth

Hiroyasu Kitashiba, Chikako Honda, Takaya Moriguchi

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Keywords: Malus sylvestris var. domestica, polyamine oxidase

JOURNAL FREE ACCESS

2006 Volume 23 Issue 4 Pages 425-429

DOI https://doi.org/10.5511/plantbiotechnology.23.425

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Abstract

Two cDNAs (MdPAO1 and MdPAO2a) encoding polyamine oxidases (PAOs) were isolated from apple. Some notable features related to substrate specificity, catalytic activity and localization of MdPAO were predicted by comparison with those of other dicots- and monocots-PAOs. MdPAO was expressed in suspension cells at any time points tested during the culture period, but only in the young fruits among several organs analyzed.

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