Mutants of Volvox carteri affecting nitrogen assimilation

Robert J. Huskey, Clay F. Semenkovich, Barbara E. Griffin, Patricia O. Cecil, Ann M. Callahan, Kenneth V. Chace, David L. Kirk

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

Three genes of Volvox carteri f. nagariensis have been identified which affect nitrogen assimilation. Mutants in two unlinked genes, nitA and nitC, were isolated as chlorate resistant and they exhibit no measureable nitrate reductase activity. The mutant in the nitB gene which is linked to nitA has slightly reduced levels of nitrate reductase activity and grows poorly on the nitrate concentration in standard medium but grows normally if the level of nitrate is increased. All of the mutants utilize ammonia, urea or nitrite for growth.

Original languageEnglish
Pages (from-to)157-161
Number of pages5
JournalMGG Molecular & General Genetics
Volume169
Issue number2
DOIs
StatePublished - Jan 1 1979
Externally publishedYes

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    Huskey, R. J., Semenkovich, C. F., Griffin, B. E., Cecil, P. O., Callahan, A. M., Chace, K. V., & Kirk, D. L. (1979). Mutants of Volvox carteri affecting nitrogen assimilation. MGG Molecular & General Genetics, 169(2), 157-161. https://doi.org/10.1007/BF00271666