Abstract
A light-dependent in vitro protein-synthesizing system from isolated mesophyll chloroplasts of Sorghum vulgare was characterized. Preincubation of chloroplasts in light at 25 degrees C for 1 h depleted the endogenous templates completely; such preincubated chloroplasts translated exogenously added homologous, heterologous, and synthetic templates efficiently. The fidelity of the system in translating added templates was tested with specific templates. Substantive evidence for the fidelity of the system was obtained by immunological analysis of the specific products, e.g. chloroplast coupling Factor I obtained by the translation of S. vulgare leaf cellular and chloroplast RNAs. The efficiency of the system in translating the exogenous mRNA was also quite high. As the endogenous mRNA was totally depleted during preincubation, and as the system was nonspecific for the source of RNA for translation, these chloroplasts can serve as a simple alternative system for assaying the role of diverse template RNAs.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
