Abstract: Described herein are methods and compositions for killing or preventing the growth of microbes. It has been discovered that a class of porphyrins can kill or prevent the growth of microbes. The porphyrins can be used in a number of different applications where microbes grow.

Abstract: Described herein are methods and compositions for killing or preventing the growth of microbes. It has been discovered that a class of porphyrins can kill or prevent the growth of microbes. The porphyrins can be used in a number of different applications where microbes grow.

Abstract: Described herein are methods and compositions for killing or preventing the growth of microbes. It has been discovered that a class of porphyrins can kill or prevent the growth of microbes. The porphyrins can be used in a number of different applications where microbes grow.

Abstract: Described herein are methods and compositions for killing or preventing the growth of microbes. It has been discovered that a class of porphyrins can kill or prevent the growth of microbes. The porphyrins can be used in a number of different applications where microbes grow.

Abstract: A transgenic bacterial host cell that can be used as a screen for novel antibiotics and herbicides is provided. The genome of the transgenic bacterial host cell comprises disruptions in a first endogenous gene in the MEP pathway) and a transgene that functionally replaces the disrupted first gene. In other embodiments, the genome comprises a disruption in a first endogenous gene in the MEP pathway and a second endogenous gene which is located downstream of the first gene in the MEP pathway. A transgene that functionally replaces the disrupted downstream gene is cloned into the host cell. A mini operon containing the essential genes for the MVA pathway may also be cloned into the host cell. The transgenic host cell may be used in a method for screening compounds for antibiotic and herbicidal properties. The agents determined by the screening method may be used to kill bacteria or plants.

Abstract: A transgenic bacterial host cell that can be used as a screen for novel antibiotics and herbicides is provided. The genome of the transgenic bacterial host cell comprises disruptions in a first endogenous gene in the MEP pathway) and a transgene that functionally replaces the disrupted first gene. In other embodiments, the genome comprises a disruption in a first endogenous gene in the MEP pathway and a second endogenous gene which is located downstream of the first gene in the MEP pathway. A transgene that functionally replaces the disrupted downstream gene is cloned into the host cell. A mini operon containing the essential genes for the MVA pathway may also be cloned into the host cell. The transgenic host cell may be used in a method for screening compounds for antibiotic and herbicidal properties. The agents determined by the screening method may be used to kill bacteria or plants.

Abstract: A turret for a tire building system having two drums with drum shafts mounted on the turret and adjusted so that the axes of the drum will be offset and parallel providing a compact turret assembly with a minimum shaft length and weight. The offset drum shafts provide for positioning of the drums in operating positions of different heights relative to the floor surface so that manual operations can be carried out at the lower drum position where there is easy access by an operator. Safety provisions are incorporated to disengage the motor and stop rotation of the turret if the motor does not stop and thereby protect the operator and the turret mechanism.