Literature DB >> 127619

Isolation and characterization of a mutant of Neurospora crassa deficient in general amino acid permease activity.

E Y Rao, T K Rao, A G Debusk.   

Abstract

A mutant of Neurospora crassa (pm-nbg27) was isolated on the basis of its resistance of p-fluoro-phenylalanine on ammonium-deficient Vogel's medium. This mutant was found to be devoid of both conidial and post-conidial (after 180 min of preincubation) transport activity of all amino acids. Genetic analysis of pm-nbg27 by crossing it to wild-type (74A) resulted in the predicted segregants exhibiting transport characteristics of pm-n, pm-b, pm-g, pm-nb, pm-ng, pm-bg and parental types. The above observations confirm the postulated general amino acid permease system as well as a single genetic locus control of that activity.

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Year:  1975        PMID: 127619     DOI: 10.1016/0005-2736(75)90057-7

Source DB:  PubMed          Journal:  Biochim Biophys Acta        ISSN: 0006-3002


  12 in total

Review 1.  Compartmental and regulatory mechanisms in the arginine pathways of Neurospora crassa and Saccharomyces cerevisiae.

Authors:  R H Davis
Journal:  Microbiol Rev       Date:  1986-09

2.  Participation of an extracellular deaminase in amino acid utilization by Neurospora crassa.

Authors:  R M DeBusk; S Ogilvie
Journal:  J Bacteriol       Date:  1984-08       Impact factor: 3.490

Review 3.  Chromosomal loci of Neurospora crassa.

Authors:  D D Perkins; A Radford; D Newmeyer; M Björkman
Journal:  Microbiol Rev       Date:  1982-12

4.  Physiological and regulatory properties of the general amino acid transport system of Neurospora crassa.

Authors:  R M DeBusk; A G DeBusk
Journal:  J Bacteriol       Date:  1980-07       Impact factor: 3.490

5.  Alternate mechanism for amino acid entry into Neurospora crassa: extracellular deamination and subsequent keto acid transport.

Authors:  R M DeBusk; D T Brown; A G DeBusk; R D Penderghast
Journal:  J Bacteriol       Date:  1981-04       Impact factor: 3.490

6.  Characterization of 2-aminoisobutyric acid transport in Neurospora crassa: a general amino acid permease-specific substrate.

Authors:  S Ogilvie-Villa; R M DeBusk; A G DeBusk
Journal:  J Bacteriol       Date:  1981-09       Impact factor: 3.490

7.  Regulation of L-amino acid oxidase and of D-amino acid oxidase in Neurospora crassa.

Authors:  L Sikora; G A Marzluf
Journal:  Mol Gen Genet       Date:  1982

8.  Nitrogen regulation of amino acid utilization by Neurospora crassa.

Authors:  R M DeBusk; S Ogilvie
Journal:  J Bacteriol       Date:  1984-11       Impact factor: 3.490

9.  Nitrogen regulation of amino acid catabolism in Neurospora crassa.

Authors:  T J Facklam; G A Marzluf
Journal:  Biochem Genet       Date:  1978-04       Impact factor: 1.890

10.  Physiological adaptation to the loss of amino acid transport ability.

Authors:  R M DeBusk; S Ogilvie-Villa
Journal:  J Bacteriol       Date:  1982-10       Impact factor: 3.490

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