Brazil considers transgenic trees

Phytoremediation with transgenic trees.

In the present paper actual trends in the use of transgenic trees for phytoremediation of contaminated soils are reviewed. In this context a current field trial in which transgenic poplars with enhanced GSH synthesis and hence elevated capacity for phytochelatin production are compared with wildtype plants for the removal of heavy metals at different levels of contamination and under different ...

CMS considers expanding reimbursement for carotid stenting.

On January 25, 2012, Medicare (CMS) held a meeting to consider issues related to the current management of carotid arterial disease. One of the most important of these issues is whether or not Medicare should expand reimbursement for carotid artery stenting (CAS) to include patients with asymptomatic and low or standard surgical risk symptomatic carotid stenosis. Opinions vary widely regarding ...

Considers six of his favourite poets

This patient underwent breast surgery and a sentinel node biopsy performed shortly before the blood was taken. As part of the biopsy procedure, a dye (Patent Blue) is injected into the lymphatic system. After injection, patients are commonly noted to take on a grey appearance, and urine has a green discolouration . A striking green appearance of the serum has also been reported, but is seen unc...

Transgenic aspen and birch trees for Russian plantation forests

Background Aspen(Populus tremula) and birch (Betula pubescens) are the fast-growing trees successfully used for the aim of plantation forestry. These species have the great potential in Russia to meeting the need for paper, timber and other wood-based products. However, enhanced growth rate, decreased lignin content and herbicide resistance are the required properties of new trees for plantatio...

Congress Considers Bill to Split Ninth Circuit