Indole alkaloid production by hairy root cultures of Catharanthus roseus

Leena Toivonen, J. Balsevich, W. Kurz

Research output: Contribution to journalArticleScientificpeer-review

60 Citations (Scopus)

Abstract

Hairy root cultures of Catharanthus roseus were established by infection with six different Agrobacterium rhizogenes strains. Two plant varieties were used and found to exhibit significantly different responses to infection. Forty-seven hairy root clones derived from normal plants and two derived from the flowerless variety were screened for their growth and indole alkaloid production. The growth rate and morphological appearance showed wide variations between the clones. The alkaloid spectra observed were qualitatively but not quantitatively very similar to that of the corresponding normal plant roots. No vindoline or deacetyltransferase activity could be detected in any of the cultures studied. O-acetylval-lesamine, an alkaloid which has not been previously observed in C. roseus was identified from extracts of hairy root clone No. 8. Two root clones were examined for their growth and alkaloid accumulation during a 26-day culture period. Alkaloid accumulation parallelled growth in both clones with ca. 2 mg ajmalicine and catharanthine per g dry weight being observed.
Original languageEnglish
Pages (from-to)79-93
JournalPlant Cell, Tissue and Organ Culture
Volume18
Issue number1
DOIs
Publication statusPublished - 1989
MoE publication typeA1 Journal article-refereed

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indole alkaloids
Catharanthus roseus
clones
alkaloids
Rhizobium rhizogenes
infection
extracts

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Toivonen, Leena ; Balsevich, J. ; Kurz, W. / Indole alkaloid production by hairy root cultures of Catharanthus roseus. In: Plant Cell, Tissue and Organ Culture. 1989 ; Vol. 18, No. 1. pp. 79-93.
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Indole alkaloid production by hairy root cultures of Catharanthus roseus. / Toivonen, Leena; Balsevich, J.; Kurz, W.

In: Plant Cell, Tissue and Organ Culture, Vol. 18, No. 1, 1989, p. 79-93.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Indole alkaloid production by hairy root cultures of Catharanthus roseus

AU - Toivonen, Leena

AU - Balsevich, J.

AU - Kurz, W.

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N2 - Hairy root cultures of Catharanthus roseus were established by infection with six different Agrobacterium rhizogenes strains. Two plant varieties were used and found to exhibit significantly different responses to infection. Forty-seven hairy root clones derived from normal plants and two derived from the flowerless variety were screened for their growth and indole alkaloid production. The growth rate and morphological appearance showed wide variations between the clones. The alkaloid spectra observed were qualitatively but not quantitatively very similar to that of the corresponding normal plant roots. No vindoline or deacetyltransferase activity could be detected in any of the cultures studied. O-acetylval-lesamine, an alkaloid which has not been previously observed in C. roseus was identified from extracts of hairy root clone No. 8. Two root clones were examined for their growth and alkaloid accumulation during a 26-day culture period. Alkaloid accumulation parallelled growth in both clones with ca. 2 mg ajmalicine and catharanthine per g dry weight being observed.

AB - Hairy root cultures of Catharanthus roseus were established by infection with six different Agrobacterium rhizogenes strains. Two plant varieties were used and found to exhibit significantly different responses to infection. Forty-seven hairy root clones derived from normal plants and two derived from the flowerless variety were screened for their growth and indole alkaloid production. The growth rate and morphological appearance showed wide variations between the clones. The alkaloid spectra observed were qualitatively but not quantitatively very similar to that of the corresponding normal plant roots. No vindoline or deacetyltransferase activity could be detected in any of the cultures studied. O-acetylval-lesamine, an alkaloid which has not been previously observed in C. roseus was identified from extracts of hairy root clone No. 8. Two root clones were examined for their growth and alkaloid accumulation during a 26-day culture period. Alkaloid accumulation parallelled growth in both clones with ca. 2 mg ajmalicine and catharanthine per g dry weight being observed.

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