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Biosynthesis of Selenium Nanoparticles by Ligilactobacillus salivarius DACN818: Characterization and Mechanism.

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Τίτλος: Biosynthesis of Selenium Nanoparticles by Ligilactobacillus salivarius DACN818: Characterization and Mechanism.
Συγγραφείς: Guo Q; College of Food Science, Southwest University, Chongqing 400715, China., Zhou H; College of Food Science, Southwest University, Chongqing 400715, China., Huang D; National Key Laboratory of Market Supervision (Condiment Supervision Technology), Chongqing Institute for Food and Drug Control, Chongqing 401121, China., Xiao Q; College of Food Science, Southwest University, Chongqing 400715, China., Wang J; College of Food Science, Southwest University, Chongqing 400715, China., Suo H; College of Food Science, Southwest University, Chongqing 400715, China., Chen X; College of Food Science, Southwest University, Chongqing 400715, China.; Chongqing Agricultural Product Processing Technology Innovation Platform, Southwest University, Chongqing 400715, China.; National Citrus Engineering Research Center, Citrus Research Institute, Southwest University, Chongqing 400712, China.
Πηγή: Journal of agricultural and food chemistry [J Agric Food Chem] 2026 May 20; Vol. 74 (19), pp. 15126-15137. Date of Electronic Publication: 2026 May 06.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: American Chemical Society Country of Publication: United States NLM ID: 0374755 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1520-5118 (Electronic) Linking ISSN: 00218561 NLM ISO Abbreviation: J Agric Food Chem Subsets: MEDLINE
Imprint Name(s): Original Publication: Washington, American Chemical Society.
Ιατρικοί όροι (MeSH): Selenium*/metabolism , Selenium*/chemistry , Nanoparticles*/chemistry , Nanoparticles*/metabolism , Bacillaceae*/metabolism , Bacillaceae*/genetics , Bacillaceae*/isolation & purification , Bacillaceae*/classification, Bacterial Proteins/metabolism ; Bacterial Proteins/genetics
Περίληψη: The biosynthesis of selenium nanoparticles (SeNPs) from selenite is a green and safe strategy, but their mechanisms in lactic acid bacteria (LAB) remain unclear. In this study, DACN818 was isolated from traditional homemade Paocai and identified via whole-genome analysis as Ligilactobacillus salivarius. It had a high conversion rate (≥70% within 24 h) of sodium selenite at a concentration of 2000 μg/mL (11.56 mM), exhibiting improved performance over currently reported LAB. Characterization by SEM-EDS, XRD, XPS, Raman, and FTIR spectroscopic techniques revealed that the synthesized SeNPs were predominantly amorphous and coated with polysaccharides and proteins. Transcriptome and metabolome analyses indicated that the conversion process involves sulfur/glutathione metabolism, the phosphotransferase system, amino acid degradation and energy metabolism, and genes such as manX, scrA, fruA, cadC, and yfeX, rather than genes encoding ABC transporter permeases, were implicated, providing a theoretical basis for its application in the green synthesis of SeNPs.
Contributed Indexing: Keywords: Ligilactobacillus salivarius; phosphotransferase system; selenite; sulfur metabolism; transcriptome
Substance Nomenclature: H6241UJ22B (Selenium)
0 (Bacterial Proteins)
Entry Date(s): Date Created: 20260506 Date Completed: 20260716 Latest Revision: 20260716
Update Code: 20260716
DOI: 10.1021/acs.jafc.5c15327
PMID: 42087842
Βάση Δεδομένων: MEDLINE
FullText Text:
  Availability: 0
Header DbId: cmedm
DbLabel: MEDLINE
An: 42087842
AccessLevel: 3
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Biosynthesis of Selenium Nanoparticles by Ligilactobacillus salivarius DACN818: Characterization and Mechanism.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AU" term="%22Guo+Q%22">Guo Q</searchLink>; College of Food Science, Southwest University, Chongqing 400715, China.<br /><searchLink fieldCode="AU" term="%22Zhou+H%22">Zhou H</searchLink>; College of Food Science, Southwest University, Chongqing 400715, China.<br /><searchLink fieldCode="AU" term="%22Huang+D%22">Huang D</searchLink>; National Key Laboratory of Market Supervision (Condiment Supervision Technology), Chongqing Institute for Food and Drug Control, Chongqing 401121, China.<br /><searchLink fieldCode="AU" term="%22Xiao+Q%22">Xiao Q</searchLink>; College of Food Science, Southwest University, Chongqing 400715, China.<br /><searchLink fieldCode="AU" term="%22Wang+J%22">Wang J</searchLink>; College of Food Science, Southwest University, Chongqing 400715, China.<br /><searchLink fieldCode="AU" term="%22Suo+H%22">Suo H</searchLink>; College of Food Science, Southwest University, Chongqing 400715, China.<br /><searchLink fieldCode="AU" term="%22Chen+X%22">Chen X</searchLink>; College of Food Science, Southwest University, Chongqing 400715, China.; Chongqing Agricultural Product Processing Technology Innovation Platform, Southwest University, Chongqing 400715, China.; National Citrus Engineering Research Center, Citrus Research Institute, Southwest University, Chongqing 400712, China.
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  Data: <searchLink fieldCode="JN" term="%220374755%22">Journal of agricultural and food chemistry</searchLink> [J Agric Food Chem] 2026 May 20; Vol. 74 (19), pp. 15126-15137. <i>Date of Electronic Publication: </i>2026 May 06.
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  Data: Journal Article
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  Data: English
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  Data: <i>Publisher: </i><searchLink fieldCode="PB" term="%22American+Chemical+Society%22">American Chemical Society </searchLink><i>Country of Publication: </i>United States <i>NLM ID: </i>0374755 <i>Publication Model: </i>Print-Electronic <i>Cited Medium: </i>Internet <i>ISSN: </i>1520-5118 (Electronic) <i>Linking ISSN: </i><searchLink fieldCode="IS" term="%2200218561%22">00218561 </searchLink><i>NLM ISO Abbreviation: </i>J Agric Food Chem <i>Subsets: </i>MEDLINE
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  Label: Imprint Name(s)
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  Data: <i>Original Publication</i>: Washington, American Chemical Society.
– Name: SubjectMESH
  Label: MeSH Terms
  Group: Su
  Data: <searchLink fieldCode="MM" term="%22Selenium%22">Selenium*</searchLink>/<searchLink fieldCode="MM" term="%22Selenium+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Selenium%22">Selenium*</searchLink>/<searchLink fieldCode="MM" term="%22Selenium+chemistry%22">chemistry</searchLink> <br /><searchLink fieldCode="MM" term="%22Nanoparticles%22">Nanoparticles*</searchLink>/<searchLink fieldCode="MM" term="%22Nanoparticles+chemistry%22">chemistry</searchLink> <br /><searchLink fieldCode="MM" term="%22Nanoparticles%22">Nanoparticles*</searchLink>/<searchLink fieldCode="MM" term="%22Nanoparticles+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Bacillaceae%22">Bacillaceae*</searchLink>/<searchLink fieldCode="MM" term="%22Bacillaceae+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Bacillaceae%22">Bacillaceae*</searchLink>/<searchLink fieldCode="MM" term="%22Bacillaceae+genetics%22">genetics</searchLink> <br /><searchLink fieldCode="MM" term="%22Bacillaceae%22">Bacillaceae*</searchLink>/<searchLink fieldCode="MM" term="%22Bacillaceae+isolation+%26+purification%22">isolation & purification</searchLink> <br /><searchLink fieldCode="MM" term="%22Bacillaceae%22">Bacillaceae*</searchLink>/<searchLink fieldCode="MM" term="%22Bacillaceae+classification%22">classification</searchLink><br /><searchLink fieldCode="MH" term="%22Bacterial+Proteins%22">Bacterial Proteins</searchLink>/<searchLink fieldCode="MH" term="%22Bacterial+Proteins+metabolism%22">metabolism</searchLink> ; <searchLink fieldCode="MH" term="%22Bacterial+Proteins%22">Bacterial Proteins</searchLink>/<searchLink fieldCode="MH" term="%22Bacterial+Proteins+genetics%22">genetics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The biosynthesis of selenium nanoparticles (SeNPs) from selenite is a green and safe strategy, but their mechanisms in lactic acid bacteria (LAB) remain unclear. In this study, DACN818 was isolated from traditional homemade Paocai and identified via whole-genome analysis as Ligilactobacillus salivarius. It had a high conversion rate (≥70% within 24 h) of sodium selenite at a concentration of 2000 μg/mL (11.56 mM), exhibiting improved performance over currently reported LAB. Characterization by SEM-EDS, XRD, XPS, Raman, and FTIR spectroscopic techniques revealed that the synthesized SeNPs were predominantly amorphous and coated with polysaccharides and proteins. Transcriptome and metabolome analyses indicated that the conversion process involves sulfur/glutathione metabolism, the phosphotransferase system, amino acid degradation and energy metabolism, and genes such as manX, scrA, fruA, cadC, and yfeX, rather than genes encoding ABC transporter permeases, were implicated, providing a theoretical basis for its application in the green synthesis of SeNPs.
– Name: SubjectMinor
  Label: Contributed Indexing
  Group:
  Data: <i>Keywords: </i>Ligilactobacillus salivarius; phosphotransferase system; selenite; sulfur metabolism; transcriptome
– Name: NumberCAS
  Label: Substance Nomenclature
  Group: ID
  Data: H6241UJ22B (Selenium)<br />0 (Bacterial Proteins)
– Name: DateEntry
  Label: Entry Date(s)
  Group: Date
  Data: <i>Date Created: </i>20260506 <i>Date Completed: </i>20260716 <i>Latest Revision: </i>20260716
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  Data: 20260716
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  Data: 10.1021/acs.jafc.5c15327
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  Data: 42087842
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=cmedm&AN=42087842
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        Value: 10.1021/acs.jafc.5c15327
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        StartPage: 15126
    Subjects:
      – SubjectFull: Bacterial Proteins metabolism
        Type: general
      – SubjectFull: Bacterial Proteins genetics
        Type: general
      – SubjectFull: Selenium metabolism
        Type: general
      – SubjectFull: Selenium chemistry
        Type: general
      – SubjectFull: Nanoparticles chemistry
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      – TitleFull: Biosynthesis of Selenium Nanoparticles by Ligilactobacillus salivarius DACN818: Characterization and Mechanism.
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