Journal Article

Relationship between the Self-Incompatibility and cAMP Level in <i>Lilium longiflorum</i>

Akiko Tsuruhara and Takafumi Tezuka

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 42, issue 11, pages 1234-1238
Published in print November 2001 | ISSN: 0032-0781
Published online November 2001 | e-ISSN: 1471-9053 | DOI: https://dx.doi.org/10.1093/pcp/pce159
Relationship between the Self-Incompatibility and cAMP Level in Lilium longiflorum

More Like This

Show all results sharing these subjects:

  • Biochemistry
  • Molecular and Cell Biology
  • Plant Sciences and Forestry

GO

Show Summary Details

Preview

The elongation of pollen tubes in Lilium longiflorum cv. Hinomoto after self-incompatible pollination stopped halfway, but that after cross-compatible pollination (cross with cv. Georgia) did not. The elongation of pollen tubes after self-pollination was enhanced by exogenous cAMP and by pertussis toxin or cholera toxin, which activates adenylate cyclase. The level of endogenous cAMP in pistils after self-pollination was approximately one half of that after cross-pollination. Furthermore, the activity of adenylate cyclase in pistils after self-pollination was also approximately one half of that after cross-pollination. By contrast, cAMP phosphodiesterase in pistils after self-pollination was approximately 2 times as high as that after cross-pollination. A possible correlation between self-incompatibility and the low level of endogenous cAMP in lily pistils is discussed on the basis of these results.

Keywords: Key words: Adenylate cyclase (EC 4.6.1.1) — cAMP — cAMP phosphodiesterase (EC 3.1.4.17) — Lilium longiflorum — Pistil — Self-incompatibility.; Abbreviations: cAMP, cyclic AMP; FK, forskolin; IBMX, 3-isobutyl-1-methylxanthine; DTT, dithiothreitol.

Journal Article.  3813 words.  Illustrated.

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

Full text: subscription required

How to subscribe Recommend to my Librarian

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.