Journal Article

One Type of Chalcone Synthase Gene Expressed during Embryogenesis Regulates the Flavonoid Accumulation in Citrus Cell Cultures

Takaya Moriguchi, Masayuki Kita, Yasuhiko Tomono, Tomoko Endo-Inagaki and Mitsuo Omura

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 40, issue 6, pages 651-655
Published in print January 1999 | ISSN: 0032-0781
Published online January 1999 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029589
One Type of Chalcone Synthase Gene Expressed during Embryogenesis Regulates the Flavonoid Accumulation in Citrus Cell Cultures

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  • Molecular and Cell Biology
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To elucidate the relationship between the expression of chalcone synthase (CHS) genes and the production of flavonoid in citrus cell cultures, two cDNA clones encoding CHS were isolated (CitCHS1 and CitCHS2) from the citrus. The accumulation of CitCHS2 mRNA was notably induced by embryogenesis but CitCHS1 mRNA was not. There was no detectable accumulation of flavonoid in the undifferentiated calli, but flavonoid accumulated after the morphological changes to embryoids. These results indicate that two CHS genes differentially expressed during citrus somatic embryogenesis and CitCHS2 may regulate the accumulation of flavonoid in citrus cell cultures.

Keywords: Cell culture; Chalcone synthase; Citrus; Flavonoid biosynthesis; Somatic embryogenesis

Journal Article.  0 words. 

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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