Rhizobial Extracellular Signaling Molecules and Their Functions in Symbiotic Interactions with Legumes

2014 ◽  
pp. 123-132
Author(s):  
Walter Giordano
Keyword(s):  
Signaling Molecules ◽  
Extracellular Signaling ◽  
Symbiotic Interactions

Initiation of the proximodistal axis in insect legs

Development ◽  
1995 ◽  
Vol 121 (3) ◽  
pp. 619-628 ◽  
Author(s):  
G. Campbell ◽  
A. Tomlinson
Keyword(s):  
Protein Expression ◽  
Close Association ◽  
Cell Communication ◽  
Signaling Molecules ◽  
Cell Fates ◽  
Animal Development ◽  
Extracellular Signaling ◽  
Cell Cell

Much of the cell-cell communication that controls assignment of cell fates during animal development appears to be mediated by extracellular signaling molecules. The formation of the proximodistal (P/D) axis of the legs of flies is controlled by at least two such molecules, a Wnt and a TGFbeta, encoded by the wingless (wg) and decapentaplegic (dpp) genes, respectively. The P/D axis appears to be initiated from the site where cells expressing wg are in close association with those expressing dpp. Support for this hypothesis comes from two sources: classical grafting experiments in cockroaches and ectopic protein expression in Drosophila.

scholarly journals RNAs as extracellular signaling molecules

2008 ◽  
Vol 40 (4) ◽  
pp. 151-159 ◽  
Author(s):  
Marcel E Dinger ◽  
Timothy R Mercer ◽  
John S Mattick
Keyword(s):  
Small Molecules ◽  
Information Transfer ◽  
Signaling Molecules ◽  
Specific Information ◽  
Paracrine Signaling ◽  
Epigenetic Memory ◽  
Extracellular Signaling ◽  
Rna Signaling

RNA is emerging as a major component of the regulatory circuitry that underpins the development and physiology of complex organisms. Here we review recent evidence that suggests that RNA may supplement endocrine and paracrine signaling by small molecules and proteins, and act as an efficient and evolutionarily flexible source of sequence-specific information transfer between cells, both locally and systemically. As such, RNA signaling may play a central but previously hidden role in multicellular ontogeny, homeostasis, and transmitted epigenetic memory.

scholarly journals Evolution and Classification of Cystine Knot-Containing Hormones and Related Extracellular Signaling Molecules

2001 ◽  
Vol 15 (5) ◽  
pp. 681-694 ◽  
Author(s):  
Ursula A. Vitt ◽  
Sheau Y. Hsu ◽  
Aaron J. W. Hsueh
Keyword(s):  
Signaling Molecules ◽  
Cystine Knot ◽  
Extracellular Signaling

scholarly journals Gap junction modulation by extracellular signaling molecules: the thymus model

2000 ◽  
Vol 33 (4) ◽  
pp. 457-465 ◽  
Author(s):  
L.A. Alves ◽  
O.K. Nihei ◽  
P.C. Fonseca ◽  
A.C. Campos-de-Carvalho ◽  
W. Savino
Keyword(s):  
Gap Junction ◽  
Signaling Molecules ◽  
Extracellular Signaling
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