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. 1979 Jun;63(6):1102–1106. doi: 10.1104/pp.63.6.1102

Photoconversion of Photochlorophyllide in the y-1 Mutant of Chlamydomonas reinhardtii

Wei-Yeh Wang 1
PMCID: PMC542978  PMID: 16660865

Abstract

Dark-grown y-1 mutant cells of Chlamydomonas reinhardtii accumulate protochlorophyllide (Pchlide) in both 635 nanometers (P635) and 650 nanometers (P650) forms. Plastids in these cells lack the normal thylakoid membrane structure except some remnants of membrane vesicles. Using difference spectrophotometry, P635 is shown to be photoconverted to chlorophyllide at 672 nanometers (C672) and P650 is photoconverted to C688 followed by a rapid shift to C672 (Shibata shift) and regeneration of P650. Some of the Pchlide is not photoconverted despite repeated illumination. Although P650 is destroyed by freezing and thawing, it is not transformed into P635. Freezing and thawing treatment also made Pchlide no longer photoactive.

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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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