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. 1977 May;59(5):941–947. doi: 10.1104/pp.59.5.941

Characterization of a Membrane Fraction Containing a b-type Cytochrome 1,2

Algirdas J Jesaitis a,3, Patricia R Heners a, Rainer Hertel a, Winslow R Briggs b
PMCID: PMC543330  PMID: 16659973

Abstract

The various components obtained from etiolated corn (Zea mays L.) coleoptiles were fractionated by differential or sucrose gradient centrifugation. The endoplasmic reticulum, proplastids, Golgi, and mitochondria were localized by enzymic or other markers in the various fractions. A fifth fraction was also characterized. It contains glucan synthetase II activity, binding sites for N-naphthylphthalamic acid, NADH dehydrogenase activity which is both antimycin A- and cyanide-insensitive, and a b-type cytochrome. It is possible that this fraction is plasma membrane and that it may contain the blue-ultraviolet photoreceptor for phototropism in corn.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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