Cited by 41Probiotics and Fermented FoodsAdvanced Scientific Research MethodsFermentation and Sensory Analysis

Effect of Genetically Modifying the Lactococcal Proteolytic System on Ripening and Flavor Development in Cheddar Cheese

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McGarry, A., Law, J., Coffey, A., Daly, C., Fox, P. F., Fitzgerald, G. F.·1994·Applied and Environmental Microbiology

Abstract

Three batches of six Cheddar cheeses were manufactured by using the following lactococcal strains: (i) UC317 as a control; (ii) JL3601, a proteinase-negative derivative of UC317 transformed with high-copy-number plasmid pCI3601 containing the cloned proteinase gene complex from UC317; (iii) AM312, a proteinase-negative derivative of UC317 transformed with plasmid pMG36enpr containing the neutral proteinase gene from Bacillus subtilis ; (iv) AC322, JL3601 transformed with pMG36enpr; (v) AC311, UC317 transformed with plasmid pNZ1120, which contains the aminopeptidase N ( pepN ) gene from Lactococcus lactis subsp. lactis MG1363; and (vi) AC321, JL3601 transformed with pNZ1120. Organoleptic and chemical analyses indicated that (i) the control cheeses, which were made with UC317, were of the highest quality; (ii) cheeses made with strains harboring pCI3601 in addition to either pMG36enpr (AC322) or pNZ1120 (AC321) did not ripen in a significantly different manner than cheeses made with AM312 (containing only pMG36enpr) or AC311 (containing only pNZ1120), respectively; (iii) cheeses made with strains that overproduce pepN did not have improved body, texture, and flavor characteristics; and (iv) cheeses made with strains harboring the neutral proteinase from B. subtilis (AM312 and AC322) underwent greatly accelerated proteolysis.

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Registry

Crossref · 10.1128/aem.60.12.4226-4233.1994

Cites

16 of 16 references verified0 citation errors · 0 not checkable

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  • Increasing the concentration of FAA in cheese (e.g., through the action of early lysing, lysozyme-treated cells, or the use of Lactococcus starter engineered to overproduce PepN) does not accelerate ripening or flavour intensity.

    “increasing the concentration of FAA in cheese (e.g., through the action of early lysing, lysozyme-treated cells [74], or the use of Lactococcus starter engineered to overproduce PepN [23,88]) does not accelerate ripening or flavour intensity.”

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Authors
McGarry, A., Law, J., Coffey, A., Daly, C., Fox, P. F., & Fitzgerald, G. F.
Affiliations
University College Cork (IE)
Venue
Applied and Environmental Microbiology
Published
1994-12
Volume
60
Issue
12
Pages
4226-4233
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W1898564103
Cited by
41
References
19
Citations by year
2017: 2 · 2013: 1
FWCI
7.38
Type
journal article
Language
en
Open access
Locations
  • Applied and Environmental Microbiology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Advanced Scientific Research Methods
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Fermentation and Sensory Analysis
Keywords
Cheddar cheese, Lactococcus lactis subsp. lactis, cheese ripening, cheese flavor development, proteolysis, CD13, neutral protease, plasmid transformation, cheese texture

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