Morphological changes in the life cycle of the green alga Haematococcus pluvialis

A 2-week model life cycle of the green alga Haematococcus pluvialis was constructed, consisting of four cell stages: vegetative cell growth, encystment, maturation, and germination. Each algal cell stage could be distinguished by the ratio of pigments (carotenoid/chlorophyll) and the intracellular p...

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Bibliographic Details
Published in:Journal of fermentation and bioengineering 1997-01, Vol.84 (1), p.94-97
Main Authors: Kobayashi, Makio, Kurimura, Yoshiro, Kakizono, Toshihide, Nishio, Naomichi, Tsuji, Yasunobu
Format: Article
Language:English
Subjects:
Algal culture (microalgae)
astaxanthin
Biological and medical sciences
Biotechnology
CHLOROPHYCEAE
CICLO VITAL
CYCLE DE DEVELOPPEMENT
DEVELOPMENTAL STAGES
encystment
ETAPAS DE DESARROLLO
Freshwater
Fundamental and applied biological sciences. Psychology
GERMINACION
GERMINATION
Haematococcus pluvialis
LIFE CYCLE
MADURACION
MATURATION
Methods. Procedures. Technologies
PERIODE VEGETATIVE
PERIODO VEGETATIVO
STADE DE DEVELOPPEMENT
VEGETATIVE PERIOD
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Summary:A 2-week model life cycle of the green alga Haematococcus pluvialis was constructed, consisting of four cell stages: vegetative cell growth, encystment, maturation, and germination. Each algal cell stage could be distinguished by the ratio of pigments (carotenoid/chlorophyll) and the intracellular protein content. Using the culture system developed, light was shown to be essential for both carotenogenesis and cell differentiation (encystment and germination). The results also suggested that H. pluvialis has a novel photosynthesis-dependent system of carotenogenesis regulation.
ISSN:0922-338X
DOI:10.1016/S0922-338X(97)82794-8