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.
A real estate brokerage contract or a listing agreement creates an agency relationship between a real estate broker and another person, called the principal, which covers the broker's efforts to sell, buy, lease or exchange real estate for the principal. The principal can be a seller, buyer, lessor or lessee. If you're selling your real estate, you can hire a real estate broker by signing a brokerage contract or listing agreement with the broker. The listing agreement will contain such things as price, terms of sale and length of the listing time.