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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]
The secondary messenger may then activate a "secondary effector" whose effects depend on the particular secondary messenger system. [citation needed] Calcium ions are one type of second messengers and are responsible for many important physiological functions including muscle contraction, fertilization, and
A second class of riboswitch that binds cyclic di-GMP is called the cyclic di-GMP-II riboswitch. The two classes of cyclic di-GMP-binding riboswitches do not share any known sequence or structural features. High-resolution three-dimensional structures of cyclic di-GMP-I riboswitches have been determined using X-ray crystallography. [3] [4]
Cyclic dinucleotides-second-messenger signaling molecules produced by diverse bacterial species were detected in the cytosol of mammalian cells during intracellular pathogen infection; this leads to activation of TBK1-IRF3 and the downstream production of type I interferon.
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.
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 ...
Calmodulin is a small, highly conserved protein that is 148 amino acids long (16.7 kDa). The protein has two approximately symmetrical globular domains (the N- and C- domains) each containing a pair of EF hand motifs [5] separated by a flexible linker region for a total of four Ca 2+ binding sites, two in each globular domain. [6]
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.