Detection of transgene expression at mRNA level in transiently transformed nettles.

<p>The transgenes used, <i>CUP</i> (left) and <i>bphC</i> (right), originate from microorganisms, where they play an important role in remediation and tolerance to pollutants.</p

Amount of acid-extractable metals in nettles cultivated for four months in contaminated soil.

<p>Amount of acid-extractable metals in nettles cultivated for four months in contaminated soil.</p

The results of soil analysis in terms of heavy metals before and after four-month nettle cultivation.

<p>The results of soil analysis in terms of heavy metals before and after four-month nettle cultivation.</p

Endophytic bacteria isolated from nettles.

<p>Nettles growed in soil contaminated with heavy metals (left) or with polychlorinated biphenyls (right).</p

The plant growth promoting factors (PGP factors) of isolated endophytes producing a high amount of siderophores.

<p>The plant growth promoting factors (PGP factors) of isolated endophytes producing a high amount of siderophores.</p