Carotenoid-Biosynthesis Genes as a Genetic Marker for the Purpose of Gene Cloning

  • S. T. Liu*
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

2 Scopus citations

Abstract

A cloning vector pSL775 (7.0 kb) was constructed using the carotenoid-biosynthesis genes of Erwinia herbicola Eho 13 (ATCC 53489). This vector contained a ColE1 origin, an ampicillin resistant gene, and a total of 11 single cloning sites: Asp718, Ava1, BamHI, BanII, EcoRV, HindIII, KpnI, MluI, NcoI, NotI, and SmaI. Transforming the vector into an Escherichia coli strain could result in pink clones. On the other hand, insertion of a DNA fragment into one of these cloning sites resulted in nonpigmented clones. The color differential between the two types of colonies could be detected visually on agar medium after culturing the cells at 37°C for 18 hours.

Original languageEnglish
Pages (from-to)259-263
Number of pages5
JournalBiochemical and Biophysical Research Communications
Volume195
Issue number1
DOIs
StatePublished - 31 08 1993

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