Cell division and ribonucleic acid synthesis during the initiation of limb regeneration in larval axolotls (Ambystoma mexicanum)

1973 ◽  
Vol 185 (1) ◽  
pp. 45-53 ◽  
Author(s):  
Daryl J. Kelly ◽  
Roy A. Tassava
Keyword(s):  
Cell Division ◽  
Ribonucleic Acid ◽  
Limb Regeneration ◽  
Acid Synthesis ◽  
Ambystoma Mexicanum

Citral, an inhibitor of retinoic acid synthesis, modifies pattern formation during limb regeneration in the axolotl Ambystoma mexicanum

1999 ◽  
Vol 77 (11) ◽  
pp. 1835-1837 ◽  
Author(s):  
Steven R Scadding
Keyword(s):  
Retinoic Acid ◽  
Pattern Formation ◽  
Limb Regeneration ◽  
Acid Synthesis ◽  
Ambystoma Mexicanum

While the effects of exogenous retinoids on amphibian limb regeneration have been studied extensively, the role of endogenous retinoids is not clear. Hence, I wished to investigate the role of endogenous retinoic acid during axolotl limb regeneration. Citral is a known inhibitor of retinoic acid synthesis. Thus, I treated regenerating limbs of the larval axolotl Ambystoma mexicanum with citral. The result of this inhibition of retinoic acid synthesis was that limb regeneration became extremely irregular and hypomorphic, with serious pattern defects, or was inhibited altogether. I conclude that endogenous retinoic acid plays an important role in pattern formation during limb regeneration.

scholarly journals Ribonucleic acid synthesis by Escherichia coli C3000/L after infection by the ribonucleic acid coliphage ZIK/1, and properties of coliphage-ZIK/1 ribonucleic acid

1965 ◽  
Vol 97 (1) ◽  
pp. 17-26 ◽  
Author(s):  
DHL Bishop
Keyword(s):  
Escherichia Coli ◽  
Cell Division ◽  
Ribonucleic Acid ◽  
Sedimentation Coefficient ◽  
Cell Lysis ◽  
Acid Synthesis ◽  
Physical Characteristics ◽  
Ribosome Synthesis ◽  
Bacteriophage Infection

1. A method is described for the preparation and purification of the RNA from the RNA coliphage ZIK/1. 2. Some of the physical characteristics and infective properties of coliphage-ZIK/1 RNA were examined. 3. A method is also described for examining the type and quantity of RNA synthesized after bacteriophage infection. 4. Ribosome synthesis was decreased 15min. after bacteriophage adsorption, bacteriophage RNA was synthesized from 15min. to 120min. after adsorption and intracellular bacteriophages appeared 40min. after adsorption. Cell lysis commenced 60min. after adsorption, and was half complete 20min. later and 90-95% complete 120min. after adsorption. 5. Cell division continued until 40min. after bacteriophage adsorption. 6. Bacterial ribosomes were conserved during the infective process. 7. Intracellular bacteriophage RNA has sedimentation coefficient 28s but after cell lysis it has sedimentation coefficient 10-5s.

Cell division and nucleolar ribonucleic acid synthesis in synchronous cultures

In Vitro ◽  
1972 ◽  
Vol 7 (6) ◽  
pp. 308-312 ◽  
Author(s):  
Edwin V. Gaffney ◽  
Roland M. Nardone
Keyword(s):  
Cell Division ◽  
Ribonucleic Acid ◽  
Acid Synthesis ◽  
Synchronous Cultures

Cell division and nucleolar ribonucleic acid synthesis in synchronous cultures

In Vitro ◽  
1972 ◽  
Vol 7 (5) ◽  
pp. 308-312 ◽  
Author(s):  
Edwin V. Gaffney ◽  
Roland M. Nardone
Keyword(s):  
Cell Division ◽  
Ribonucleic Acid ◽  
Acid Synthesis ◽  
Synchronous Cultures
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