Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Phylogenetic tree analysis of the bHLH transcription factor family in Nicotiana tabacum. MEGA4.0 software and default parameters were used in the phylogenetic tree analysis. The 48 bHLH proteins are from TOBFAC databases in tobacco (http://compsysbio.achs.virginia.edu/tobfac/).
