Bacterial Sulfur Oxidation and Root Uptake

Delftia acidovorans RAY 209是一种获得专利的植物生长促进细菌，据报道，它可以使植物更容易获得单质硫。Lallemand Inc.销售一种含有D. acidovorans RAY 209的产品，作为一种生长促进配方的组成部分，专门针对在限硫条件下生长的油菜籽。然而，Delfti酸多菌使硫更容易获得的机制及其程度尚不清楚，这种生物的活动对其他营养物质（如氮和磷）的可用性和吸收的影响也不清楚。因此，该项目将寻求提供潜在的直接和间接证据，证明它可以提高植物对硫的利用率，以及调节这一过程的方法。这些信息对于让Lallemand在竞争日益激烈的市场部门中更有效地销售商业产品是必要的。

Delftia acidovorans RAY 209 is a patented plant growth promoting bacteria reported to make elemental sulfur more available to the plant. Lallemand Inc. markets a product which contains D. acidovorans RAY 209 as a component of a growth-promoting formulation specifically-targeting canola grown under sulfur limiting conditions. However, the mechanism by which Delfti acidovorans makes sulfur more available, as well as the extent, is not clear nor is the impact of this organism's activity on the availability and uptake of other nutrients, such as nitrogen and phosphorus. Accordingly, this project will seek to provide potential direct and indirect evidence of the mechanisms by which it enhances the availability of sulfur to plants, as well as ways to modulate that process. This information is necessary to allow Lallemand to more-effectively market the commercial product in an increasingly competitive market sector.