Suppression subtractive hybridization cloning of cDNAs of differentially expressed genes in dovetree (Davidia involucrata) bracts

  • Yun Xiang Li
  • , L. Chen
  • , Lin Juan
  • , Yufeng Li
  • , Fang Chen*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A subtracted cDNA library for Davidia involucrata was constructed using suppression subtractive hybridization (SSH). mRNA isolated from young leaves was used as a "driver," and mRNAs isolated from young bracts were used as "testers." The differentially expressed cDNA fragments in bracts were identified by differential screening. Of the 16 clones selected randomly from the screened library, 8 were known genes found in GenBank, and 2 had no similar sequences. Northern blot analysis revealed that the expression level of P1A5 cDNAs selected randomly was dominantly expressed in bracts. This indicates that SSH can be used to clone differentially expressed cDNAs in D. involucrata bracts.

Original languageEnglish
Pages (from-to)231-238
Number of pages8
JournalPlant Molecular Biology Reporter
Volume20
Issue number3
DOIs
StatePublished - Sep 2002
Externally publishedYes

Keywords

  • Bract
  • Davidia involucrata
  • Leaf
  • Northern blot analysis
  • SSH

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