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Cyclic di-AMP (also called c-di-AMP and c-di-adenosine monophosphate) is a second messenger used in signal transduction in bacteria and archaea. [1] [2] [3] It is present in many Gram-positive bacteria, some Gram-negative species, and archaea of the phylum Euryarchaeota. [2] [3] Cyclic di-AMP crystal structure
Second messengers are intracellular signaling molecules released by the cell in response to exposure to extracellular signaling molecules—the first messengers. (Intercellular signals, a non-local form of cell signaling , encompassing both first messengers and second messengers, are classified as autocrine , juxtacrine , paracrine , and ...
Cyclic di-GMP (also called cyclic diguanylate and c-di-GMP) is a second messenger used in signal transduction in a wide variety of bacteria. [1] Cyclic di-GMP is not known to be used by archaea, and has only been observed in eukaryotes in Dictyostelium. [2]
A bacteriophage that infects C. difficile is predicted to carry a cyclic di-GMP-I riboswitch, which it might use to detect and exploit the physiological state of bacteria that it infects. The discovery of this riboswitch class answers the question of how genes are regulated in response to cyclic di-GMP levels in many different bacteria.
Cyclic di-GMP-II riboswitches (also c-di-GMP-II riboswitches) form a class of riboswitches that specifically bind cyclic di-GMP, [1] a second messenger used in multiple bacterial processes such as virulence, motility and biofilm formation.
Diguanylate cyclase participate in the formation of the ubiquitous second messenger, cyclic-di-GMP, involved in bacterial biofilm formation and persistence. The GGDEF domain was first identified in the regulatory protein, PleD of the bacterium Caulobacter crescentus. [6]
cAMP represented in three ways Adenosine triphosphate. Cyclic adenosine monophosphate (cAMP, cyclic AMP, or 3',5'-cyclic adenosine monophosphate) is a second messenger, or cellular signal occurring within cells, that is important in many biological processes. cAMP is a derivative of adenosine triphosphate (ATP) and used for intracellular signal transduction in many different organisms ...
Transfer-messenger RNA (abbreviated tmRNA, also known as 10Sa RNA and by its genetic name SsrA) is a bacterial RNA molecule with dual tRNA-like and messenger RNA-like properties. The tmRNA forms a ribonucleoprotein complex ( tmRNP ) together with Small Protein B ( SmpB ), Elongation Factor Tu ( EF-Tu ), and ribosomal protein S1.