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Pattern of CO 2 fixation during vegetative development and gametic differentiation in Chlamydomonas reinhardtii
Author(s) -
Kates Joseph R.,
Jones Raymond F.
Publication year - 1966
Publication title -
journal of cellular physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.529
H-Index - 174
eISSN - 1097-4652
pISSN - 0021-9541
DOI - 10.1002/jcp.1040670112
Subject(s) - chlamydomonas reinhardtii , amino acid , biology , ammonium , nitrogen , chlamydomonas , botany , vegetative reproduction , biochemistry , chemistry , organic chemistry , gene , mutant
The rate of C 14 O 2 incorporation into amino acids and organic acids in C. reinhardtii is a function of particular stages of development in the life cycle of the alga. Gametic differentiation in nitrogen free medium is accompanied by a reduced rate of amino acid synthesis and a higher synthesis of organic acids than that found for the cells undergoing vegetative development. The addition of ammonium to differentiating gametes results in an increased synthesis of amino acids, particularly the basic ones, and a concomitant reduction in organic acid synthesis.