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Root exudate-microbe interactions mediated by Oceanobacillus picturae and stachyose promote cadmium tolerance in Perilla frutescens.

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Τίτλος: Root exudate-microbe interactions mediated by Oceanobacillus picturae and stachyose promote cadmium tolerance in Perilla frutescens.
Συγγραφείς: Li C; R&D Center of Chinese Herbal Medicine Industry in Cold Regions, Northeast Agricultural University, Harbin, 150030, China., Liu J; R&D Center of Chinese Herbal Medicine Industry in Cold Regions, Northeast Agricultural University, Harbin, 150030, China., Liu J; R&D Center of Chinese Herbal Medicine Industry in Cold Regions, Northeast Agricultural University, Harbin, 150030, China., Zhang S; Biotechnology Institute Heilongjiang Academy of Agricultural Sciences, Heilongjiang Academy of Agricultural Sciences, Harbin, 150086, China., Zhang J; R&D Center of Chinese Herbal Medicine Industry in Cold Regions, Northeast Agricultural University, Harbin, 150030, China., Yang B; School of Pharmaceutical Sciences, Heilongjiang University of Chinese Medicine, Harbin, 150040, China., Liu Y; School of Pharmaceutical Sciences, Heilongjiang University of Chinese Medicine, Harbin, 150040, China., Du S; R&D Center of Chinese Herbal Medicine Industry in Cold Regions, Northeast Agricultural University, Harbin, 150030, China., Han X; R&D Center of Chinese Herbal Medicine Industry in Cold Regions, Northeast Agricultural University, Harbin, 150030, China., Zhang L; R&D Center of Chinese Herbal Medicine Industry in Cold Regions, Northeast Agricultural University, Harbin, 150030, China.
Πηγή: Journal of integrative plant biology [J Integr Plant Biol] 2026 Jun; Vol. 68 (6), pp. 1692-1708. Date of Electronic Publication: 2026 Feb 09.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Wiley-Blackwell Pub Country of Publication: China (Republic : 1949- ) NLM ID: 101250502 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1744-7909 (Electronic) Linking ISSN: 16729072 NLM ISO Abbreviation: J Integr Plant Biol Subsets: MEDLINE
Imprint Name(s): Publication: [China] : Wiley-Blackwell Pub
Original Publication: [Carlton South, Victoria] : Blackwell Pub., 2005-
Ιατρικοί όροι (MeSH): Cadmium*/toxicity , Plant Roots*/microbiology , Plant Roots*/drug effects , Plant Roots*/metabolism , Oligosaccharides*/metabolism , Oligosaccharides*/pharmacology , Perilla frutescens*/microbiology , Perilla frutescens*/drug effects , Perilla frutescens*/growth & development , Perilla frutescens*/metabolism , Plant Exudates*/metabolism , Bacillaceae*/physiology , Bacillaceae*/drug effects, Rhizosphere
Περίληψη: Cadmium (Cd) is a toxic heavy metal that poses serious risks to human health and the ecological environment. Perilla frutescens (L.) Britt. has important medicinal and culinary value, yet its seedlings are highly sensitive to cadmium exposure. Carbohydrates, which mediate key aspects of plant-microbe interactions, play an essential role in recruiting rhizosphere microbiota. In this study, we examined how inoculation with Oceanobacillus picturae alleviates cadmium toxicity by secreting carbohydrate metabolites that reshape the rhizosphere microbial community of perilla. Inoculation markedly reduced cadmium-induced root damage, increasing fresh and dry plant weights by 2.3-fold and 1.1-fold, and enhancing root length by 14% compared with the control. In addition, root exudate profiles showed clear changes following inoculation. Metabolomic analyses revealed that stachyose was a key exudate enriched under stress conditions and acted synergistically with Azospirillum brasilense and Acinetobacter pittii to enhance perilla growth and cadmium tolerance. These findings demonstrate that perilla recruits specific plant growth-promoting rhizobacteria through stachyose-mediated chemical signaling in response to cadmium stress. This work advances our understanding of plant-microbe interactions under heavy metal stress and provides a foundation for microbiome-based phytoremediation technologies. It also offers practical value for developing sustainable agricultural practices and supporting ecological conservation.
(© 2026 Institute of Botany, Chinese Academy of Sciences.)
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Contributed Indexing: Keywords: Perilla frutescens (L.) Britt; cadmium stress; growth‐defense relationship; root exudates
Substance Nomenclature: 00BH33GNGH (Cadmium)
0 (Oligosaccharides)
25VX64653N (stachyose)
0 (Plant Exudates)
Entry Date(s): Date Created: 20260210 Date Completed: 20260603 Latest Revision: 20260603
Update Code: 20260604
DOI: 10.1111/jipb.70183
PMID: 41664381
Βάση Δεδομένων: MEDLINE
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  Label: MeSH Terms
  Group: Su
  Data: <searchLink fieldCode="MM" term="%22Cadmium%22">Cadmium*</searchLink>/<searchLink fieldCode="MM" term="%22Cadmium+toxicity%22">toxicity</searchLink> <br /><searchLink fieldCode="MM" term="%22Plant+Roots%22">Plant Roots*</searchLink>/<searchLink fieldCode="MM" term="%22Plant+Roots+microbiology%22">microbiology</searchLink> <br /><searchLink fieldCode="MM" term="%22Plant+Roots%22">Plant Roots*</searchLink>/<searchLink fieldCode="MM" term="%22Plant+Roots+drug+effects%22">drug effects</searchLink> <br /><searchLink fieldCode="MM" term="%22Plant+Roots%22">Plant Roots*</searchLink>/<searchLink fieldCode="MM" term="%22Plant+Roots+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Oligosaccharides%22">Oligosaccharides*</searchLink>/<searchLink fieldCode="MM" term="%22Oligosaccharides+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Oligosaccharides%22">Oligosaccharides*</searchLink>/<searchLink fieldCode="MM" term="%22Oligosaccharides+pharmacology%22">pharmacology</searchLink> <br /><searchLink fieldCode="MM" term="%22Perilla+frutescens%22">Perilla frutescens*</searchLink>/<searchLink fieldCode="MM" term="%22Perilla+frutescens+microbiology%22">microbiology</searchLink> <br /><searchLink fieldCode="MM" term="%22Perilla+frutescens%22">Perilla frutescens*</searchLink>/<searchLink fieldCode="MM" term="%22Perilla+frutescens+drug+effects%22">drug effects</searchLink> <br /><searchLink fieldCode="MM" term="%22Perilla+frutescens%22">Perilla frutescens*</searchLink>/<searchLink fieldCode="MM" term="%22Perilla+frutescens+growth+%26+development%22">growth & development</searchLink> <br /><searchLink fieldCode="MM" term="%22Perilla+frutescens%22">Perilla frutescens*</searchLink>/<searchLink fieldCode="MM" term="%22Perilla+frutescens+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Plant+Exudates%22">Plant Exudates*</searchLink>/<searchLink fieldCode="MM" term="%22Plant+Exudates+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Bacillaceae%22">Bacillaceae*</searchLink>/<searchLink fieldCode="MM" term="%22Bacillaceae+physiology%22">physiology</searchLink> <br /><searchLink fieldCode="MM" term="%22Bacillaceae%22">Bacillaceae*</searchLink>/<searchLink fieldCode="MM" term="%22Bacillaceae+drug+effects%22">drug effects</searchLink><br /><searchLink fieldCode="MH" term="%22Rhizosphere%22">Rhizosphere</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Cadmium (Cd) is a toxic heavy metal that poses serious risks to human health and the ecological environment. Perilla frutescens (L.) Britt. has important medicinal and culinary value, yet its seedlings are highly sensitive to cadmium exposure. Carbohydrates, which mediate key aspects of plant-microbe interactions, play an essential role in recruiting rhizosphere microbiota. In this study, we examined how inoculation with Oceanobacillus picturae alleviates cadmium toxicity by secreting carbohydrate metabolites that reshape the rhizosphere microbial community of perilla. Inoculation markedly reduced cadmium-induced root damage, increasing fresh and dry plant weights by 2.3-fold and 1.1-fold, and enhancing root length by 14% compared with the control. In addition, root exudate profiles showed clear changes following inoculation. Metabolomic analyses revealed that stachyose was a key exudate enriched under stress conditions and acted synergistically with Azospirillum brasilense and Acinetobacter pittii to enhance perilla growth and cadmium tolerance. These findings demonstrate that perilla recruits specific plant growth-promoting rhizobacteria through stachyose-mediated chemical signaling in response to cadmium stress. This work advances our understanding of plant-microbe interactions under heavy metal stress and provides a foundation for microbiome-based phytoremediation technologies. It also offers practical value for developing sustainable agricultural practices and supporting ecological conservation.<br /> (© 2026 Institute of Botany, Chinese Academy of Sciences.)
– Name: Ref
  Label: References
  Group: RefInfo
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– Name: SubjectMinor
  Label: Contributed Indexing
  Group:
  Data: <i>Keywords: </i>Perilla frutescens (L.) Britt; cadmium stress; growth‐defense relationship; root exudates
– Name: NumberCAS
  Label: Substance Nomenclature
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  Data: 00BH33GNGH (Cadmium)<br />0 (Oligosaccharides)<br />25VX64653N (stachyose)<br />0 (Plant Exudates)
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  Data: <i>Date Created: </i>20260210 <i>Date Completed: </i>20260603 <i>Latest Revision: </i>20260603
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  Data: 20260604
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  Data: 10.1111/jipb.70183
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  Data: 41664381
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=cmedm&AN=41664381
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        Value: 10.1111/jipb.70183
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        StartPage: 1692
    Subjects:
      – SubjectFull: Rhizosphere
        Type: general
      – SubjectFull: Cadmium toxicity
        Type: general
      – SubjectFull: Plant Roots microbiology
        Type: general
      – SubjectFull: Plant Roots drug effects
        Type: general
      – SubjectFull: Plant Roots metabolism
        Type: general
      – SubjectFull: Oligosaccharides metabolism
        Type: general
      – SubjectFull: Oligosaccharides pharmacology
        Type: general
      – SubjectFull: Perilla frutescens microbiology
        Type: general
      – SubjectFull: Perilla frutescens drug effects
        Type: general
      – SubjectFull: Perilla frutescens growth & development
        Type: general
      – SubjectFull: Perilla frutescens metabolism
        Type: general
      – SubjectFull: Plant Exudates metabolism
        Type: general
      – SubjectFull: Bacillaceae physiology
        Type: general
      – SubjectFull: Bacillaceae drug effects
        Type: general
    Titles:
      – TitleFull: Root exudate-microbe interactions mediated by Oceanobacillus picturae and stachyose promote cadmium tolerance in Perilla frutescens.
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            – D: 01
              M: 06
              Text: 2026 Jun
              Type: published
              Y: 2026
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              Value: 6
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            – TitleFull: Journal of integrative plant biology
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