Lysogeny in the Lactic Acid Bacterium Oenococcus oeni Is Responsible for Modified Colony Morphology on Red Grape Juice Agar | Zendy

Amel Chaïb | Zendy; C. Philippe | Zendy; Féty Jaomanjaka | Zendy; Olivier Claisse | Zendy; Michaël Jourdes | Zendy; Patrick Lucas | Zendy; Stéphanie Cluzet | Zendy; Claire Le Marrec | Zendy

Open Access

Lysogeny in the Lactic Acid Bacterium Oenococcus oeni Is Responsible for Modified Colony Morphology on Red Grape Juice Agar

Author(s) -

Amel Chaïb,

C. Philippe,

Féty Jaomanjaka,

Olivier Claisse,

Michaël Jourdes,

Patrick Lucas,

Stéphanie Cluzet,

Claire Le Marrec

Publication year - 2019

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.00997-19

Subject(s) - oenococcus oeni , lysogen , prophage , malolactic fermentation , lysogenic cycle , biology , microbiology and biotechnology , bacteria , lysis , agar , bacteriophage , genetics , lactic acid , escherichia coli , biochemistry , gene

The presence of white and red colonies on red grape juice (RGJ) agar during enumeration ofOenococcus oeni in wine samples is frequently observed by stakeholders in the wine industry. Our study brings an explanation for this intriguing phenomenon and establishes a link between the white-red color switch and the lysogenic state ofO. oeni . It also provides a simple and inexpensive method to distinguish between lysogenic and nonlysogenic derivatives inO. oeni with a minimum of expended time and effort. Noteworthy, the protocol could be adapted to two other species of LAB, namely,Leuconostoc citreum andLactobacillus plantarum . It could be an effective tool to provide genetic, ecological, and functional insights into lysogeny and aid in improving biotechnological processes involving members of the lactic acid bacterium (LAB) family.

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