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Rhodestrin: A Novel Indole Terpenoid Phytohormone from Rhodobacter sphaeroides

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Abstract

A new phytohormone was isolated as a metabolite of anthranilate photobiotransformation by Rhodobacter sphaeroides OU5. It was identified by MS and NMR (1H, 13C) as an indole terpenoid ester [(2E,4E,6E,8E,10E,12E,14E,16E,18E)24-hydroxy-2,6,10,14,19 pentamethyl tetrecosa-2,4,6,8,10,12,14,16,18 nonenyl-2(hydroxy methyl)-1H-indole-3-carboxylate] and is named as rhodestrin. Rhodestrin at 50 nm gave positive test in auxin bioassay and initiated more profuse and early rooting in tissue-cultured plants than other auxins at 5 μm.

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Authors and Affiliations

  1. Department of Plant Sciences, School of Life Sciences, University of Hyderabad, P.O. Central University, Gachibowli, 500046, Hyderabad, India

    M.R. Sunayana & Ch.V. Ramana

  2. Environmental Microbial Biotechnology Laboratory, Center for Environment, JNT University, Kukatpally, 500 072, Hyderabad, India

    Ch. Sasikala

Authors
  1. M.R. Sunayana
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  2. Ch. Sasikala
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  3. Ch.V. Ramana
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Correspondence to Ch.V. Ramana.

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Sunayana, M., Sasikala, C. & Ramana, C. Rhodestrin: A Novel Indole Terpenoid Phytohormone from Rhodobacter sphaeroides . Biotechnol Lett 27, 1897–1900 (2005). https://doi.org/10.1007/s10529-005-3900-5

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  • DOI: https://doi.org/10.1007/s10529-005-3900-5

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