Fig. 4
From: GFP-tagged multimetal-tolerant bacteria and their detection in the rhizosphere of white mustard
Photographs of microscopic images of fluorescent gfp-tagged transconjugant P. putida G25 colonising the root surface of a 54-day-old seedling of white mustard (a) and those surviving in the rhizosphere (b). The photographs were obtained with a confocal laser scanning microscope