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.
Isolation of protoplasts from leaf tissue by enzymatic method. (A) Digested holm oak leaf tissues after 4 h at 25°C (scale bar length: 6 mm); (B) Mesophyll protoplasts of holm oak from fourth leaf (scale bar length: 10 μm); (C) Mesophyll protoplasts of white poplar (scale bar length: 10 μm).
