Permission granted to use under
the Public Domain by NIH
Common NameXi Shu; Happy Tree | Taxonomic ClassificationCornaceae family |
Camptotheca acuminata (Nyssaceae) is a Chinese tree that produces the pentacyclic quinolines camptothecin and 10-hydroxycamptothecin through the monoterpene indole alkaloid pathway. Camptothecin inhibits DNA topoisomerase I and is very effective against cancer cells in culture. However, severe side effects limit camptothecin's usefulness in patients. Currently, two semi-synthetic derivatives of camptothecin, topotecan and irinotecan, which retain anti-cancer activity but with less severe side effects, are used to treat a variety of cancers, particularly those of colorectal and gynecological origin. Additional semi-synthetic derivatives of camptothecin are being developed, but they too begin with the natural product as the starting point.
Chemical Structure: Camptothecin | Clinical Trials | Major Metabolites |
---|---|---|
Enzyme Name | EC No | Genbank Accession | GI No |
---|---|---|---|
Tryptophan decarboxylase | 4.1.1.28 | AAB39709.1 | 1763279 |
We have generated an Camptotheca acuminata assembly of 403 Mb with a N50 scaffold size of 1.75 Mb and annotated a total of 31,825 genes. A full analysis of the genome can be found in Zhao et al. 2017. See the genome browser, BLAST search site, and Dryad Digital Repository for access to the data.
dbEST/(Kb) | dbGSS/(Kb) | dbPLN/(Kb) | dbHTG/(Kb) | Total Entriesa/(Kb) |
---|---|---|---|---|
0 (0kb) | 0 (0kb) | 36 (74.8kb) | 0 (0kb) | 36 (74.8kb) |
aThe Total Entries column is the sum of the entries from the dbEST, dbGSS, dbPLN, and dbHTG columns. Data retrieved from NCBI on May 14 2010.
See all Camptotheca acuminata papers within last Week, Month or Year.