Endogenous Gibberellins in the immature seed and Pericarp of Loquat (Eriobotrya japonica)

Eiji Yuda, Shoichi Nakagawa, Noboru Murofushi, Takao Yokota, Nobutaka Takahashi, Masaji Koshioka, Yutaka Murakami, David Pearce, Richard P. Pharis, Graham L. Patrick, Lewis N. Mander, Petra Kraft-Klaunzer

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Immature seeds of loquat (Eriobotrya japonica) were collected from developing fruits 90 days after full bloom. After purifying the acidic ethyl acetate-soluble fraction by several chromatographic procedures, gibberellin fractions were surveyed by combined gas-liquid chromatography/mass spectrometry. Consequently, GA9, GA15,GA24, GA35, and GA50 were identified. Additionally, six GA-like substances were detected, and two were determined to be new GAs, GA80 (11β-hydroxy-GA7), and GA84 (11β-hydroxy-GA9). Based on these results, an early-11-hydroxylation biosynthetic pathway in the seed of loquat is suggested.
Original languageEnglish
Pages (from-to)17-20
Number of pages4
JournalBioscience Biotechnology and Biochemistry
Volume56
Issue number1
DOIs
Publication statusPublished - 1992
Externally publishedYes

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