High spatial variation in population size and symbiotic performance of Rhizobium leguminosarum bv. trifolii with white clover in New Zealand pasture soils.

Biological nitrogen fixation through the legume-rhizobia symbiosis is important for sustainable pastoral production. In New Zealand, the most widespread and valuable symbiosis occurs between white clover (Trifolium repens L.) and Rhizobium leguminosarum bv.

Draft Genome Sequence of the Clover ( L.) Root Endophyte sp. Strain A27.

sp. strain A27, isolated from the root material of white clover, has plant growth-promoting activity on a range of agriculturally important plants. The draft genome of this bacterium is 7,393,089 bp and harbors a range of genes putatively involved in host colonization.

Draft Genome Sequence of a Kale ( L.) Root Endophyte, sp. Strain C9.

sp. strain C9 is a plant growth-promoting bacterium isolated from the root tissue of L. grown in soil from Marlborough, New Zealand.

Genome sequence of the clover symbiont Rhizobium leguminosarum bv. trifolii strain CC275e.

Rhizobium leguminosarum bv. trifolii strain CC275e is a highly effective, N2-fixing microsymbiont of white clover (Trifolium repens L.).

Mechanisms of pollution induced community tolerance in a soil microbial community exposed to Cu.

Pollution induced community tolerance (PICT) to Cu(2+), and co-tolerance to nanoparticulate Cu, ionic silver (Ag(+)), and vancomycin were measured in field soils treated with Cu(2+) 15 years previously. EC50 values were determined using substrate induced respiration and correlations made against soil physicochemical properties, microbial community structure, physiological status (qCO2; metabolic quotient), and abundances of genes associated with metal and antibiotic resistance. Previous level of exposure to copper was directly (P < 0.

Effects of tobacco genetically modified to express protease inhibitor bovine spleen trypsin inhibitor on non-target soil organisms.

Effects of tobacco genetically modified to express the protease inhibitor bovine spleen trypsin inhibitor (BSTI) were examined in laboratory assays against three earthworm and one collembolan species. BSTI is a serine protease inhibitor that can bind to the digestive trypsins of insects feeding on modified plants, resulting in reduced growth and survival. Protease inhibitors are active against a broad range of insects, so may have a large impact on non-target organisms.