periplasm


Also found in: Dictionary, Encyclopedia, Wikipedia.

per·i·plasm

(per'i-plazm),
The space between the cell membranes and the cell wall, in gram-negative bacteria; contains proteins secreted by the cell.

periplasm

(pĕr′ə-plăz′əm)
n.
The region between the cytoplasmic membrane and the outer cell membrane in gram-negative bacteria and some archaea.

per′i·plas′mic adj.
References in periodicals archive ?
Once Bdellovibrio is inside the periplasm, it seals the membrane hole through which it gains its entry and the host cell is now called a bdelloplast.
cholerae after its assembly in the periplasm (27,28).
Chou, "Roles of DegP in Prevention of Protein Misfolding in the Periplasm upon Overexpression of Penicillin Acylase in Escherichia coli," Journal of Bacteriology 185 (2003), pp.
Drug is actively extruded from the cytoplasm or cytoplasmic membrane across the periplasm and outer membrane to the cell exterior; the energy for this process is derived from the proton gradient across the membranes.
The ProtCompB predicted that most of the pseudogene derived proteins are located in inner membrane and cytoplasm while others would be in periplasm and outer membrane (Fig.
Production and secretion of TNF related apoptosis inducing ligand (TRAIL/ Apo2L) in the Escherichia coli periplasm using PhoA signal peptide.
In gram negative microorganisms, dissolution of crystals displayed on the cell surface or formed in the periplasm must be associated with changes in the outer membrane integrity.
Moreover, OMVs can be engineered by delivering recombinant proteins to bacterial periplasm and outer membrane.
2008); and the antimicrobial impact of cinnamaldehyde (a non-phenolic phenylpropene and main active compound of CIN) is suggested to arise through its carbonyl group interaction with proteins in the periplasm and inactivating microbial enzymes (Nikaido, 1994; Burt, 2004).
And to make things worse MscL and MscS span the plasma membrane, which means that their ends, which are exposed to the periplasm outside the cell and the cytoplasm inside the cell, are water-loving and their middle sections, which are stuck in the greasy membrane, are repelled by water.
However, CT is secreted extracellularly, while LT is trapped in the periplasm of the bacterial cells, but released after cell lysis.
Stiles 8:45 Break 9:00 TARGETING CHLAMYDIAL ANTIGENS TO THE PERIPLASM OF THE VIBRIO CHOLERAE GHOST TO OPTIMIZE VACCINE DELIVERY AND EFFICACY, Daniel N.