Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systems

Abstract Lactococcus is one of the earliest identified fermentative bacterial genera and among its member species, the dairy‐associated Lactococcus lactis and Lactococcus cremoris are undoubtedly the best studied. These two species are believed to have evolved from plant‐associated lactococci and th...

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Main Authors: Jennifer Mahony, Francesca Bottacini, Douwe vanSinderen
Format: Article
Language:English
Published: Wiley 2023-09-01
Series:Microbial Biotechnology
Online Access:https://doi.org/10.1111/1751-7915.14320
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author Jennifer Mahony
Francesca Bottacini
Douwe vanSinderen
author_facet Jennifer Mahony
Francesca Bottacini
Douwe vanSinderen
author_sort Jennifer Mahony
collection DOAJ
description Abstract Lactococcus is one of the earliest identified fermentative bacterial genera and among its member species, the dairy‐associated Lactococcus lactis and Lactococcus cremoris are undoubtedly the best studied. These two species are believed to have evolved from plant‐associated lactococci and through genome decay and acquisition of plasmids, have adapted to the dairy niche. The past decade has witnessed a surge of activity in novel lactococcal species identification from insect, plant and animal sources. Currently, 22 Lactococcus species are described and in this review, we summarise the genome characteristics of and phylogenetic relationships among these species. Furthermore, we explore the role of mobile elements including plasmids and bacteriophages in the diversification of lactococcal species. The pace of identification of novel lactococcal species suggests that the number of lactococcal species is likely to continue to grow. With additional sequence data for the emerging species, it will be possible to perform pathogenicity/virulence risk evaluations and generate extensive insights into the niche adaptation strategies through which they have evolved.
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spelling doaj.art-dc1c0077a4394498a44f022e940b94ba2023-08-22T12:37:59ZengWileyMicrobial Biotechnology1751-79152023-09-011691745175410.1111/1751-7915.14320Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systemsJennifer Mahony0Francesca Bottacini1Douwe vanSinderen2School of Microbiology University College Cork Cork IrelandAPC Microbiome Ireland University College Cork Cork IrelandSchool of Microbiology University College Cork Cork IrelandAbstract Lactococcus is one of the earliest identified fermentative bacterial genera and among its member species, the dairy‐associated Lactococcus lactis and Lactococcus cremoris are undoubtedly the best studied. These two species are believed to have evolved from plant‐associated lactococci and through genome decay and acquisition of plasmids, have adapted to the dairy niche. The past decade has witnessed a surge of activity in novel lactococcal species identification from insect, plant and animal sources. Currently, 22 Lactococcus species are described and in this review, we summarise the genome characteristics of and phylogenetic relationships among these species. Furthermore, we explore the role of mobile elements including plasmids and bacteriophages in the diversification of lactococcal species. The pace of identification of novel lactococcal species suggests that the number of lactococcal species is likely to continue to grow. With additional sequence data for the emerging species, it will be possible to perform pathogenicity/virulence risk evaluations and generate extensive insights into the niche adaptation strategies through which they have evolved.https://doi.org/10.1111/1751-7915.14320
spellingShingle Jennifer Mahony
Francesca Bottacini
Douwe vanSinderen
Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systems
Microbial Biotechnology
title Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systems
title_full Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systems
title_fullStr Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systems
title_full_unstemmed Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systems
title_short Towards the diversification of lactococcal starter and non‐starter species in mesophilic dairy culture systems
title_sort towards the diversification of lactococcal starter and non starter species in mesophilic dairy culture systems
url https://doi.org/10.1111/1751-7915.14320
work_keys_str_mv AT jennifermahony towardsthediversificationoflactococcalstarterandnonstarterspeciesinmesophilicdairyculturesystems
AT francescabottacini towardsthediversificationoflactococcalstarterandnonstarterspeciesinmesophilicdairyculturesystems
AT douwevansinderen towardsthediversificationoflactococcalstarterandnonstarterspeciesinmesophilicdairyculturesystems