Could not find any links for specified country. Please check back later. Xylem is the world leader in tough, portable and reliable pumps for multiple applications. Our broad product range in combined with extensive application experience ensure the right solution that meets your specific needs. Submersible pumps can handle small drainage jobs to larger dewatering projects.
An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host. If an obligate parasite cannot obtain a host it will fail to reproduce.
Source. For bacteria, the term obligate parasite can have at least two distinct meanings. 1  A parasite that naturally only reproduces within a host and cannot be artificially cultured on cell-free media.ource. For bacteria, the term obligate parasite can have at least two distinct meanings. 1  A parasite that naturally only reproduces within a host and cannot be artificially cultured on cell-free media.