From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This mutant is yellowish-green in the dark. When coupled with the chloroplast ribosome-deficient mutant ac20 (CC-1376, CC-1676), the color becomes pure yellow.


Ford C, Wang W (1980) Three new yellow loci in Chlamydomonas reinhardtii. Mol Gen Genet 179:259-263


  • Locus:
  • Y6
  • Chromosome:
  • 1

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This mutant is yellowish-green in the dark. When coupled with the chloroplast ribosome-deficient mutant ac20 (CC-1376, CC-1676), the color becomes pure yellow.


Ford C, Wang W (1980) Three new yellow loci in Chlamydomonas reinhardtii. Mol Gen Genet 179:259-263


  • Locus:
  • Y6
  • Chromosome:
  • 1

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark


Ford C, Wang W (1980) Three new yellow loci in Chlamydomonas reinhardtii. Mol Gen Genet 179:259-263

Ford C, Mitchell S, Wang W (1983) Characterization of NADPH: Protochlorophyllide oxidoreductase in the y-7 and pc-1 y-7 mutants of Chlamydomonas reinhardtii. Mol Gen Genet 192:290-292


  • Locus:
  • Y7
  • Chromosome:
  • 3

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark


Ford C, Wang W (1980) Three new yellow loci in Chlamydomonas reinhardtii. Mol Gen Genet 179:259-263

Ford C, Mitchell S, Wang W (1983) Characterization of NADPH: Protochlorophyllide oxidoreductase in the y-7 and pc-1 y-7 mutants of Chlamydomonas reinhardtii. Mol Gen Genet 192:290-292


  • Locus:
  • Y7
  • Chromosome:
  • 3

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This is a temperature-conditional mutant, yellow when grown in the dark at 33 degrees.


Ford C, Wang W (1980) Temperature-sensitive yellow mutants of Chlamydomonas reinhardtii. Mol Gen Genet 180:5-10


  • Locus:
  • Y8
  • Chromosome:
  • 3

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This is a temperature-conditional mutant, yellow when grown in the dark at 33 degrees.


Ford C, Wang W (1980) Temperature-sensitive yellow mutants of Chlamydomonas reinhardtii. Mol Gen Genet 180:5-10


  • Locus:
  • Y8
  • Chromosome:
  • 3

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This is a temperature-conditional mutant, yellow when grown in the dark at 33 degrees.


Ford C, Wang W (1980) Temperature-sensitive yellow mutants of Chlamydomonas reinhardtii. Mol Gen Genet 180:5-10


  • Locus:
  • Y10
  • Chromosome:
  • 1

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This is a temperature-conditional mutant, yellow when grown in the dark at 33 degrees.


Ford C, Wang W (1980) Temperature-sensitive yellow mutants of Chlamydomonas reinhardtii. Mol Gen Genet 180:5-10


  • Locus:
  • Y10
  • Chromosome:
  • 1

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This is a stable but temperature-conditional y1 mutation, yellow in the dark when grown at 33 degrees. Please see CC-735 for more information on the Y1 locus.


  • Locus:
  • Y1
  • Chromosome:
  • 15

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark

This is a stable but temperature-conditional y1 mutation, yellow in the dark when grown at 33 degrees. Please see CC-735 for more information on the Y1 locus.


  • Locus:
  • Y1
  • Chromosome:
  • 15

From Clark Ford, Wang lab, University of Iowa, June 1981

Phenotype: yellow in the dark


Ford C, Wang W (1980) Three new yellow loci in Chlamydomonas reinhardtii. Mol Gen Genet 179:259-263


  • Locus:
  • Y6
  • Chromosome:
  • 1

From Pierre Bennoun, Institut de Biologie Physico-Chimique, July 1981

Phenotype: requires acetate

This mutant, which was recovered after treatment with 5-fluorodeoxyuridine, results from a 41 bp duplication in chloroplast DNA that disrupts the atpB gene.


Bennoun P, Masson A, Piccioni R, Chua NH (1978) Uniparental mutants of Chlamydomonas reinhardtii defective in photosynthesis. Chloroplast Development 721-726

Woessner JP, Masson A, Harris EH, Bennoun P, Gillham NW, Boynton JE (1984) Molecular and genetic analysis of the chloroplast ATPase of Chlamydomonas. Plant Mol Biol 3:177-190


  • Locus:
  • atpB
  • Chromosome:
  • chloroplast

From Pierre Bennoun, Institut de Biologie Physico-Chimique, July 1981

Phenotype: requires acetate

This is a point mutation in the atpB gene.


Woessner JP, Masson A, Harris EH, Bennoun P, Gillham NW, Boynton JE (1984) Molecular and genetic analysis of the chloroplast ATPase of chlamydomonas. Plant Mol Biol 3:177-190

de Vitry C, Olive J, Drapier D, Recouvreur M, Wollman FA (1989) Posttranslational events leading to the assembly of photosystem II protein complex: a study using photosynthesis mutants from Chlamydomonas reinhardtii. J Cell Biol 109:991-1006


  • Locus:
  • atpB
  • Chromosome:
  • chloroplast

From Pierre Bennoun, Institut de Biologie Physico-Chimique, July 1981

Phenotype: requires acetate

This is a deletion mutation in the atpB gene.


Woessner JP, Masson A, Harris EH, Bennoun P, Gillham NW, Boynton JE (1984) Molecular and genetic analysis of the chloroplast ATPase of chlamydomonas. Plant Mol Biol 3:177-190

Lemaire C, Wollman FA, Bennoun P (1988) Restoration of phototrophic growth in a mutant of Chlamydomonas reinhardtii in which the chloroplast atpB gene of the ATP synthase has a deletion: an example of mitochondria-dependent photosynthesis. Proc Natl Acad Sci USA 85:1344-1348

Lemaire C, Wollman FA (1989) The chloroplast ATP synthase in Chlamydomonas reinhardtii. II. Biochemical studies on its biogenesis using mutants defective in photophosphorylation. J Biol Chem 264:10235-10242

Bulté L, Bennoun P (1990) Translational accuracy and sexual differentiation in Chlamydomonas reinhardtii. Curr Genet 18:155–160

Bennoun P (1994) The present model for chlororespiration. Photosynthesis Research 73:273-277


  • Locus:
  • atpB
  • Chromosome:
  • chloroplast

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-136 a10-6A+


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-137 a10-6A-


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-138 a10-7A+


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-142 a10-8B-


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-144 a10-8C+


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-144 a10-8C-


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-146 a8-32+


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-147 a8-32-


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-148 a8-33+


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-150 a8-34B+


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-151 a8-34B-


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-152 a8-37+


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-153 a8-37-


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-160 a6-1+ (BAA). Induced by 5-fluorodeoxyuridine plus ethyl methanesulfonate. This is a nuclear mutation but has not been mapped.


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-160 a6-1- (BAA). Induced by 5-fluorodeoxyuridine plus ethyl methanesulfonate. This is a nuclear mutation but has not been mapped.


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569

From Laurens Mets, 1981

Phenotype: requires acetate

Received as Spreitzer and Mets III-163 a6-3+ (HAA). Induced by 5-fluorodeoxyuridine plus ethyl methanesulfonate. This is a nuclear mutation but has not been mapped.


Spreitzer RJ, Mets L (1981) Photosynthesis-deficient Mutants of Chlamydomonas reinhardii with Associated Light-sensitive Phenotypes. Plant Physiol 67:565-569