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8 results on '"Iyer, R. Indira"'

2. Biosynthesis of Gold and Silver Nanoparticles with Anti-Microbial Activity by Callus Cultures of Michelia champaca L

Author

Iyer R. Indira and Panda Tapobrata

Subjects
0106 biological sciences, Michelia champaca, Materials science, Stereochemistry, Biomedical Engineering, Bioengineering, 02 engineering and technology, General Chemistry, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Antimicrobial, 01 natural sciences, Silver nanoparticle, chemistry.chemical_compound, Biosynthesis, chemistry, Biochemistry, Callus, General Materials Science, 0210 nano-technology, 010606 plant biology & botany
Published
2016

8. Cytokinins in developing fruits of Moringa pterigosperma Gaertn.

Author

Nagar, P. K., Iyer, R. Indira, and Sircar, P. K.

Subjects
*CYTOKININS, *PLANT hormones, *TRANSFER RNA, *FRUIT development, *PLANT cells & tissues, *PAPER chromatography
Abstract

The existence of cytokinins both as a free form and as a constituent of t-RNA was investigated in young fruits of Moringa pterigosperma Gaertn. Purified methanol extract was separated into butanol insoluble and butanol soluble fractions. The cytokinin(s) in the butanol insoluble fraction was tentatively identified as zeatin nucleotide. The butanol soluble fraction contained. cytokinins and was chromatographed on Sephadex LH-20 with 35% ethanol. The two active fractions from LH-20 column coincided with zeatin and zeatin riboside. Cytokinin per g tissue was high in early stages of fruit growth and then remained more or less constant. Alkaline phosphatase hydrolysis of t-RNA hydrolysate of fruit tissue showed considerable cytokinin activity. [ABSTRACT FROM AUTHOR]

Published
1982
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