A large scale structural analysis of cDNAs in a unicellular green alga, Chlamydomonas reinhardtii. I. Generation of 3433 non-redundant expressed sequence tags

Erika Asamizu, Yasukazu Nakamura, Shusei Sato, Hideya Fukuzawa, Satoshi Tabata

Research output: Contribution to journalArticlepeer-review

151 Citations (Scopus)

Abstract

To understand genetic information carried in a unicellular green alga, Chlamydomonas reinhardtii, normalized and size-selected cDNA libraries were constructed from cells at photoautotrophic growth, and a total of 11,571 5′-end sequence tags were established. These sequences were grouped into 3433 independent EST species. Similarity search against the public non-redundant protein database indicated that 817 groups showed significant similarity to registered sequences, of which 140 were of previously identified C. reinhardtii genes, but the remaining 2616 species were novel sequences. The coverage of full-length protein coding regions was estimated to be over 60%. These cDNA clones and EST sequence information will provide a powerful source for the future genome-wide functional analysis of uncharacterized genes.

Original languageEnglish
Pages (from-to)369-373
Number of pages5
JournalDNA Research
Volume6
Issue number6
DOIs
Publication statusPublished - 1999

Keywords

  • Chlamydomonas reinhardtii
  • EST
  • Green alga
  • Normalized library
  • Similarity search
  • cDNA

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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