Literature DB >> 16658726

Control of Free Methionine Production in Wild Type and Ethionine-resistant Mutants of Chlorella sorokiniana.

M Sloger1, L D Owens.   

Abstract

Mutants of Chlorella sorokiniana selected for resistance to the methionine analogue ethionine took up ethionine at the same rate as did the wild type strain. Cells of two ethionine-resistant mutants produced severalfold higher levels of free methionine and cysteine than did wild type cells.Exogenous methionine had no apparent effect on free methionine production in a mutant that produces excessive levels of free methionine. Under the same conditions, production of free methionine was relatively inhibited in wild type cells and in a mutant that produces wild type levels of free methionine.The results suggest that free methionine production in the wild type strain is subject to endproduct control, and that this control is lacking in one class of ethionine-resistant mutants.

Entities:  

Year:  1974        PMID： 16658726      PMCID： PMC543254          DOI： 10.1104/pp.53.3.469

Source DB:  PubMed          Journal:  Plant Physiol        ISSN： 0032-0889            Impact factor:   8.340


  14 in total

1.  Studies on the catalytic and regulatory properties of homoserine dehydrogenase of Zea mays roots.

Authors:  J K Bryan
Journal:  Biochim Biophys Acta       Date:  1969-02-11

2.  [Properties of ribosomas and RNA synthesized by Escherichia coli cultivated in the presence of ethionine. 2. In vitro methylation of ribosome ethionine].

Authors:  G Beaud; D H Hayes
Journal:  Eur J Biochem       Date:  1971-06-29

Review 3.  Regulation of amino acid metabolism.

Authors:  H E Umbarger
Journal:  Annu Rev Biochem       Date:  1969       Impact factor: 23.643

4.  Studies on the porphobilinogen deaminase-uroporphyrinogen cosynthetase system of cultured soya-bean cells.

Authors:  E B Llambías; A M Battle
Journal:  Biochem J       Date:  1971-01       Impact factor: 3.857

5.  [The S04= transport system of Chlorella pyrenoidosa and its regulation. Research on the regulation of entry].

Authors:  M Vallée; R Jeanjean
Journal:  Biochim Biophys Acta       Date:  1968-06-11

6.  Isolation and characterization of a lysine-sensitive aspartokinase from a multicellular plant.

Authors:  P A Bryan; R D Cawley; C E Brunner; J K Bryan
Journal:  Biochem Biophys Res Commun       Date:  1970-12-09       Impact factor: 3.575

7.  The biosynthesis of protein amino acids in plant tissue culture I. Isotope competition experiments using glucose-U-C14 and the protein amino acids.

Authors:  D K Dougall
Journal:  Plant Physiol       Date:  1965-09       Impact factor: 8.340

8.  Studies on the basis of ethionine-resistance in Neurospora.

Authors:  M S Kappy; R L Metzenberg
Journal:  Biochim Biophys Acta       Date:  1965-10-18

9.  beta-Cystathionase In Vivo Inactivation by Rhizobitoxine and Role of the Enzyme in Methionine Biosynthesis in Corn Seedlings.

Authors:  J Giovanelli; L D Owens; S H Mudd
Journal:  Plant Physiol       Date:  1973-03       Impact factor: 8.340

10.  Synergistic effects of metabolically related amino acids on the growth of a multicellular plant. II. Studies of 14C-amino acid incorporation.

Authors:  V L Dunham; J K Bryan
Journal:  Plant Physiol       Date:  1971-01       Impact factor: 8.340
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  5 in total

1.  Aspartate kinase and the synthesis of aspartate-derived amino acids in wheat.

Authors:  S W Bright; P R Shewry; B J Miflin
Journal:  Planta       Date:  1978-01       Impact factor: 4.116

2.  In-vivo evidence for metabolic control of amino-acid and protein synthesis by exogenous lysine and threonine in Mimulus cardinalis.

Authors:  R R Henke; K G Wilson
Journal:  Planta       Date:  1974-01       Impact factor: 4.116

3.  In vivo regulation of de novo methionine biosynthesis in a higher plant (lemna).

Authors:  J Giovanelli; S H Mudd; A H Datko
Journal:  Plant Physiol       Date:  1985-02       Impact factor: 8.340

4.  Isolation of an Arabidopsis thaliana Mutant, mto1, That Overaccumulates Soluble Methionine (Temporal and Spatial Patterns of Soluble Methionine Accumulation).

Authors:  K. Inaba; T. Fujiwara; H. Hayashi; M. Chino; Y. Komeda; S. Naito
Journal:  Plant Physiol       Date:  1994-03       Impact factor: 8.340

5.  Sulfate transport in cultured tobacco cells.

Authors:  I K Smith
Journal:  Plant Physiol       Date:  1975-02       Impact factor: 8.340
  5 in total

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