periplasm


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periplasm

[′per·ə‚plaz·əm]
(cell and molecular biology)
The region between the cytoplasmic and outer membranes of a cell.
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This complex, which is formed by [beta]-jellyroll domains in LptF, LptG, LptC, LptA, and LptD, forms a continuous hydrophobic slide for LPS across the periplasm, and transport is driven by the ATPase activity of LptB [123-132].
Between the two membranes is a space containing a cell wall called the periplasm. Cell biologists previously didn't know whether the LppA protein propped up the cell wall, like pillars prop up a roof, or whether the outer membrane was tethered to the cell wall.
Another mechanism of action is by trans-cinnamaldehyde, which enters the periplasm of the cell and disrupts cellular functions [16, 156].
GsiA and GsiB were predicted to be located in the periplasm and cytoplasm of cell, respectively [13].
In the case of type I and II ABC importers, certain members require a specific solute-binding protein present in the periplasm, which is responsible for substrate specificity and further coordinates the delivery of substrates to the transporter [2, 4, 21].
Several secretory systems involved in protein translocation from the cytoplasm to periplasm or external milieu were identified in this genome as in other enterics.
In the bacterial peptidoglycan biosynthetic pathway, GlcNAc-MurNAc-pentapeptide monomer units synthesized in the cytoplasm are transferred to the periplasm and cross-linked to pre-existing peptidoglycans by penicillin-binding proteins (PBPs).
The antimicrobial impact of cinnamaldehyde (a non-phenolic phenylpropene and main active compound of cinnamon) in suggested to arise through its carbonyl group interaction with proteins in the periplasm and inactivation microbial enzymes (Burt, 2004).
They saw that the mechanism consists of two separate complexes, one in the outer membrane of the cell, and the other in the inner membrane, which are connected by a stalk-like structure that crosses the periplasm - the space between the two membranes.
This is a dataset containing grampositive proteins that belong to five subcellular location sites: (1) cell wall, (2) cytoplasm, (3) extracellular, (4) periplasm, and (5) plasma membrane.
The Sec pathway transports proteins from the cytoplasm to the periplasm in an unfolded state; consequently, proteins that require a cytoplasmic environment and/or cytoplasmic components for folding, or reach their native state before they interact with the Sec proteins, are not compatible with the Sec pathway.
It penetrates the host periplasm, multiply in their cytoplasm and finally burst their cell envelopes to start once again.