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FACTORS INFLUENCING THE ENZYMIC ACTIVITIES OF BACTERIA

FACTORS INFLUENCING THE ENZYMIC ACTIVITIES OF BACTERIA Receive: RSS Feeds, eTOCs, free email alerts (when new articles cite this article), more» Information about commercial reprint orders: http://mmbr.asm.org/site/misc/reprints.xhtml To subscribe to to another ASM Journal go to: http://journals.asm.org/site/subscriptions/ 1 From the Biochemical Laboratory, Cambridge University CONTENTS Variations due to chemical factors in the growth medium ........................... 1. Presence of the specific substrate ............................................ 2. Presence of substances other-than the specific substrate ...................... 3. Suboptimal supply of growth factors ......................................... Variations due to physical factors involved during growth ........................... 1. Oxygen tension ............................................... 2. The pH of the medium during growth ........................................ 3. Temperature during growth ............................................... Factors apparently related to the organism itself .................. .................. 1. Age of the culture ............................................... 2. Permeability of cell membrane .............................................. 3. Cell division as a factor in enzyme variation ................................. The preparation of active cell suspensions ........................................... Discussion ............................................... The study of the metabolism of bacteria differs from that of the animal tissue cell in that the physical and chemical conditions holding in the environment in which the bacterial cell is formed have to be taken into account. The animal tissue cell is formed and metabolizes in an environment which is stabilized within narrow limits compared with the wide http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Microbiology and Molecular Biology Reviews American Society For Microbiology

FACTORS INFLUENCING THE ENZYMIC ACTIVITIES OF BACTERIA

Microbiology and Molecular Biology Reviews , Volume volume 7 (issue 3) – Sep 1, 1943

FACTORS INFLUENCING THE ENZYMIC ACTIVITIES OF BACTERIA

Microbiology and Molecular Biology Reviews , Volume volume 7 (issue 3) – Sep 1, 1943

Abstract

Receive: RSS Feeds, eTOCs, free email alerts (when new articles cite this article), more» Information about commercial reprint orders: http://mmbr.asm.org/site/misc/reprints.xhtml To subscribe to to another ASM Journal go to: http://journals.asm.org/site/subscriptions/ 1 From the Biochemical Laboratory, Cambridge University CONTENTS Variations due to chemical factors in the growth medium ........................... 1. Presence of the specific substrate ............................................ 2. Presence of substances other-than the specific substrate ...................... 3. Suboptimal supply of growth factors ......................................... Variations due to physical factors involved during growth ........................... 1. Oxygen tension ............................................... 2. The pH of the medium during growth ........................................ 3. Temperature during growth ............................................... Factors apparently related to the organism itself .................. .................. 1. Age of the culture ............................................... 2. Permeability of cell membrane .............................................. 3. Cell division as a factor in enzyme variation ................................. The preparation of active cell suspensions ........................................... Discussion ............................................... The study of the metabolism of bacteria differs from that of the animal tissue cell in that the physical and chemical conditions holding in the environment in which the bacterial cell is formed have to be taken into account. The animal tissue cell is formed and metabolizes in an environment which is stabilized within narrow limits compared with the wide

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Publisher
American Society For Microbiology
Copyright
Copyright © 1943 by the American society for Microbiology.
ISSN
1092-2172
eISSN
1098-5557
Publisher site
See Article on Publisher Site

Abstract

Receive: RSS Feeds, eTOCs, free email alerts (when new articles cite this article), more» Information about commercial reprint orders: http://mmbr.asm.org/site/misc/reprints.xhtml To subscribe to to another ASM Journal go to: http://journals.asm.org/site/subscriptions/ 1 From the Biochemical Laboratory, Cambridge University CONTENTS Variations due to chemical factors in the growth medium ........................... 1. Presence of the specific substrate ............................................ 2. Presence of substances other-than the specific substrate ...................... 3. Suboptimal supply of growth factors ......................................... Variations due to physical factors involved during growth ........................... 1. Oxygen tension ............................................... 2. The pH of the medium during growth ........................................ 3. Temperature during growth ............................................... Factors apparently related to the organism itself .................. .................. 1. Age of the culture ............................................... 2. Permeability of cell membrane .............................................. 3. Cell division as a factor in enzyme variation ................................. The preparation of active cell suspensions ........................................... Discussion ............................................... The study of the metabolism of bacteria differs from that of the animal tissue cell in that the physical and chemical conditions holding in the environment in which the bacterial cell is formed have to be taken into account. The animal tissue cell is formed and metabolizes in an environment which is stabilized within narrow limits compared with the wide

Journal

Microbiology and Molecular Biology ReviewsAmerican Society For Microbiology

Published: Sep 1, 1943

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