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Radioimmunoassay and Western Blot Analysis of Acyl Carrier Protein Isoforms in Plants

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Immunology in Plant Sciences

Part of the book series: Modern Methods of Plant Analysis ((MOLMETHPLANT,volume 4))

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Abstract

Acyl carrier protein (ACP) is the central cofactor protein to which acyl chains are covalently linked as thioesters during de novo fatty acid synthesis and subsequent elongation and desaturation reactions in plants (Stumpf 1980). In yeast and animals, ACP is an integral part of the multifunctional polypeptide, fatty acid synthase, but in bacteria and plants, ACP is a separate, small polypeptide (ca. 9 kDa MW) which is acidic and heat stable (Majerus and Vagelos 1967; Stumpf 1980; Wakil et al. 1983). Despite this basic organizational difference, the structure of ACP has been highly conserved during evolution as evidenced by greater than 25% homology among the primary sequences of an animal ACP domain, bacterial and plant ACPs (Kuo and Ohlrogge 1984a), and by the interchangeability of bacterial and plant ACPs in several fatty acid biosynthetic reactions (Simoni et al. 1967).

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Abbreviations

ACP:

acyl carrier protein

RIA:

radioimmunoassay

MES:

2-(N-morpholino)ethanesulfonic acid

HPLC:

high-performance liquid chromatography

DTT:

dithiothreitol

OA:

Ovalbumin

BSA:

bovine serum albumin

PBS:

phosphate-buffered saline

PEG:

polyethylene glycol

DAF:

days after flowering

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© 1986 Springer-Verlag Berlin Heidelberg

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Kuo, T.M., Ohlrogge, J.B. (1986). Radioimmunoassay and Western Blot Analysis of Acyl Carrier Protein Isoforms in Plants. In: Linskens, HF., Jackson, J.F. (eds) Immunology in Plant Sciences. Modern Methods of Plant Analysis, vol 4. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82853-9_6

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  • DOI: https://doi.org/10.1007/978-3-642-82853-9_6

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-82855-3

  • Online ISBN: 978-3-642-82853-9

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