The absence of LOS seems to inhibit attachment to epithelial cells and therefore invasion of the host cells (31). A recent study using a mouse model showed a meningococcus mutant defective in LOS sialylation did not colonize (7).). ). ). ). ). ).).
open listing An open listing is almost like a for sale by owner listing. A home seller offers pay a sales commission, to one or more real estate agents, to the first one who brings an acceptable purchase agreement.
Exclusive Listing. DEFINITION of 'Exclusive Listing'. A real estate sale transaction in which a specified real estate agent stands to gain a commission if a property sells within a specified number of months, no matter how a buyer is found. The purpose of an exclusive listing is to motivate the agent to sell the property quickly and at the highest price possible.