The conserved part of the T‐region in Ti‐plasmids expresses four proteins in bacteria.

摘要: Abstract The T-region of Ti-plasmids expresses four proteins (mol. wts. 74,000, 49,000, 28,000 and 27,000) in Escherichia coli minicells. Promoter activities are determined by sequences within the T-region, protein-coding regions map that part which is highly conserved octopine nopaline plasmids responsible for shoot root inhibition when expressed plant cells. Three bacteria correlate with three transcribed transformed cells; fourth region has no corresponding transcript plants. At least synthesized E. minicells also cell-free systems prepared from Agrobacterium tumefaciens; protein wt. 49,000) poorly both extracts. The possibility discussed same genes Agrobacteria cells cases gene products mediate growth regulatory effects to non-transformed