Paper · 2024 · Chemical and Biological Technologies in Agriculture

Dicranopteris dichotoma rhizosphere-derived Bacillus sp. MQB12 acts as an enhancer of plant growth via increasing phosphorus utilization, hormone synthesis, and rhizosphere microbial abundance

Rui Zhao; Fen He; Wanfeng Huang; et al.

13
claims
22
verbatim quotes
9
citations
3
research areas
✓
Open access · cc-by-nc-nd

Abstract

In recent years, microbial inoculants have showed a great potential to replace chemical fertilizers as a new generation of soil amendment agents, however, the understanding of their effects on nutrient cycling within plants and rhizosphere microbial diversity are still limited. In this study, the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata to evaluate the effects of external inoculants on plant transcriptomics and rhizosphere soil microbial diversity. Enrichment analysis using GO and KEGG revealed significant enrichment in DNA-binding transcription factor activity, transcriptional regulatory factor activity, and phenylpropanoid biosynthesis among the differentially expressed genes. MQB12 inoculation positively responded to phosphorus starvation response, increased the expression of phosphorus starvation response genes (PHT/PAP), enhanced the synthesis of ethylene and salicylic acid to cope with external stress, and improved the expression of plant disease resistance genes to strengthen the disease resistance of plants to pathogens. At the same time, microbial diversity analysis further revealed the positive effect of MQB12 inoculum. MQB12 inoculum enriched beneficial flora, improved flora abundance, changed the structure and diversity of V. radiata rhizosphere microbial community, enhanced the interconnections between the flora, and positively promoted growth. MQB12 was found to adjust the microflora of the rhizosphere, which subsequently changed the environment for plant colonization. This change led to the enrichment of beneficial bacteria and removal of pathogenic bacteria, which positively affected the internal pathways of plants. Additionally, changes in gene expression levels of plants resulted in the formation of different phenotypes and various metabolites, further influencing the formation of rhizosphere microbial communities through close contact between roots and soil. This study provides new insights into the effects of microbial agents on plant growth and root environment construction and is conducive to the further development and application of microbial agents. Graphical Abstract

Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc-nd. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 13

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

GO and KEGG enrichment in V. radiata DEGs was significant for DNA-binding transcription factor activity, transcriptional regulatory factor activity and phenylpropanoid biosynthesis.

Taxon
Vigna radiataVigna radiatae1
Outcome
DNA-binding transcription factor activity, transcriptional regulatory factor activity, and phenylpropanoid biosynthesise6

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
e6

“Enrichment analysis using GO and KEGG revealed significant enrichment in DNA-binding transcription factor activity, transcriptional regulatory factor activity, and phenylpropanoid biosynthesis among the differentially expressed genes”

✓ located verbatim in the source · abstract, characters 492–725 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculation increased expression of phosphorus starvation response genes (PHT/PAP) in V. radiata.

Taxon
Vigna radiataVigna radiatae1
Treatment
MQB12 inoculatione0
Interactor
MQB12e0symbiont
Gene
PHT/PAPe0
Outcome
phosphorus starvation response genes (PHT/PAP)e0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“MQB12 inoculation positively responded to phosphorus starvation response, increased the expression of phosphorus starvation response genes (PHT/PAP), enhanced the synthesis of ethylene and salicylic acid to cope with external stress, and improved the expression of plant disease resistance genes to strengthen the disease resistance of plants to pathogens”

✓ located verbatim in the source · abstract, characters 727–1082 · show in text ↑
e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculation positively responded to the phosphorus starvation response in V. radiata.

Taxon
Vigna radiataVigna radiatae1
Treatment
MQB12 inoculatione0
Interactor
MQB12e0symbiont
Outcome
phosphorus starvation responsee0
Direction
positively respondede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“MQB12 inoculation positively responded to phosphorus starvation response, increased the expression of phosphorus starvation response genes (PHT/PAP), enhanced the synthesis of ethylene and salicylic acid to cope with external stress, and improved the expression of plant disease resistance genes to strengthen the disease resistance of plants to pathogens”

✓ located verbatim in the source · abstract, characters 727–1082 · show in text ↑
e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculation enhanced the synthesis of ethylene and salicylic acid in V. radiata.

Taxon
Vigna radiataVigna radiatae1
Treatment
MQB12 inoculatione0
Interactor
MQB12e0symbiont
Outcome
synthesis of ethylene and salicylic acide0
Direction
enhancede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“MQB12 inoculation positively responded to phosphorus starvation response, increased the expression of phosphorus starvation response genes (PHT/PAP), enhanced the synthesis of ethylene and salicylic acid to cope with external stress, and improved the expression of plant disease resistance genes to strengthen the disease resistance of plants to pathogens”

✓ located verbatim in the source · abstract, characters 727–1082 · show in text ↑
e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculation improved expression of plant disease resistance genes in V. radiata against pathogens.

Taxon
Vigna radiataVigna radiatae1
Treatment
MQB12 inoculatione0
Interactor
pathogense0pathogen
Second interactor
MQB12e0symbiont
Outcome
expression of plant disease resistance genese0
Direction
improvede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“MQB12 inoculation positively responded to phosphorus starvation response, increased the expression of phosphorus starvation response genes (PHT/PAP), enhanced the synthesis of ethylene and salicylic acid to cope with external stress, and improved the expression of plant disease resistance genes to strengthen the disease resistance of plants to pathogens”

✓ located verbatim in the source · abstract, characters 727–1082 · show in text ↑
e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculum enriched beneficial flora in the V. radiata rhizosphere.

Taxon
V. radiataVigna radiatae2
Treatment
MQB12 inoculume2
Interactor
MQB12e2symbiont
Outcome
beneficial florae2
Direction
enrichede2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e2

“MQB12 inoculum enriched beneficial flora, improved flora abundance, changed the structure and diversity of V. radiata rhizosphere microbial community, enhanced the interconnections between the flora, and positively promoted growth”

✓ located verbatim in the source · abstract, characters 1187–1417 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculum improved rhizosphere flora abundance in V. radiata.

Taxon
V. radiataVigna radiatae2
Treatment
MQB12 inoculume2
Interactor
MQB12e2symbiont
Outcome
flora abundancee2
Direction
improvede2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e2

“MQB12 inoculum enriched beneficial flora, improved flora abundance, changed the structure and diversity of V. radiata rhizosphere microbial community, enhanced the interconnections between the flora, and positively promoted growth”

✓ located verbatim in the source · abstract, characters 1187–1417 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

MQB12 inoculum changed the structure and diversity of the V. radiata rhizosphere microbial community.

Taxon
V. radiataVigna radiatae2
Treatment
MQB12 inoculume2
Interactor
MQB12e2symbiont
Outcome
structure and diversity of V. radiata rhizosphere microbial communitye2
Direction
changede2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e2

“MQB12 inoculum enriched beneficial flora, improved flora abundance, changed the structure and diversity of V. radiata rhizosphere microbial community, enhanced the interconnections between the flora, and positively promoted growth”

✓ located verbatim in the source · abstract, characters 1187–1417 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculum enhanced the interconnections between the flora in the V. radiata rhizosphere.

Taxon
V. radiataVigna radiatae2
Treatment
MQB12 inoculume2
Interactor
MQB12e2symbiont
Outcome
interconnections between the florae2
Direction
enhancede2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e2

“MQB12 inoculum enriched beneficial flora, improved flora abundance, changed the structure and diversity of V. radiata rhizosphere microbial community, enhanced the interconnections between the flora, and positively promoted growth”

✓ located verbatim in the source · abstract, characters 1187–1417 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 inoculum positively promoted growth of V. radiata.

Taxon
V. radiataVigna radiatae2
Treatment
MQB12 inoculume2
Interactor
MQB12e2symbiont
Outcome
growthe2
Direction
positively promotede2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e2

“MQB12 inoculum enriched beneficial flora, improved flora abundance, changed the structure and diversity of V. radiata rhizosphere microbial community, enhanced the interconnections between the flora, and positively promoted growth”

✓ located verbatim in the source · abstract, characters 1187–1417 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

MQB12 treatment led to a decrease of pathogenic bacteria in the V. radiata rhizosphere.

Taxon
Vigna radiataVigna radiatae1
Treatment
MQB12 inoculatione0
Interactor
pathogenic bacteriae3pathogen
Outcome
pathogenic bacteriae3
Direction
removale3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“MQB12 inoculation positively responded to phosphorus starvation response, increased the expression of phosphorus starvation response genes (PHT/PAP), enhanced the synthesis of ethylene and salicylic acid to cope with external stress, and improved the expression of plant disease resistance genes to strengthen the disease resistance of plants to pathogens”

✓ located verbatim in the source · abstract, characters 727–1082 · show in text ↑
e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
e3

“This change led to the enrichment of beneficial bacteria and removal of pathogenic bacteria, which positively affected the internal pathways of plants”

✓ located verbatim in the source · abstract, characters 1547–1697 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Changes in plant gene expression levels resulted in different phenotypes and various metabolites in V. radiata.

Taxon
Vigna radiataVigna radiatae1
Outcome
formation of different phenotypes and various metabolitese4
Qualifier
changes in gene expression levels of plantse4

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
e4

“changes in gene expression levels of plants resulted in the formation of different phenotypes and various metabolites”

✓ located verbatim in the source · abstract, characters 1713–1830 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Microbial diversity analysis showed a positive effect of MQB12 inoculum on the rhizosphere microbial community.

Taxon
Vigna radiataVigna radiatae1
Treatment
MQB12 inoculume5
Interactor
MQB12e5symbiont
Outcome
microbial diversitye5
Direction
positivee5

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“the rhizosphere growth-promoting bacteria MQB12 was used to inoculate Vigna radiata”

✓ located verbatim in the source · abstract, characters 294–377 · show in text ↑
e5

“microbial diversity analysis further revealed the positive effect of MQB12 inoculum”

✓ located verbatim in the source · abstract, characters 1102–1185 · show in text ↑

inoculation · molecular: expression · Vigna radiata (mung bean)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive
See all 4 papers →

inoculation · pest · Vigna radiata (mung bean)Positive and negative results

5 papers: 4 positive, 1 negative or no effect

3 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive

1 paper more in this group

See all 5 papers →

inoculation · disease · Vigna radiata (mung bean)Positive and negative results

10 papers: 8 positive, 2 negative or no effect

7 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. negative
  3. positive

6 papers more in this group

See all 10 papers →

inoculation · growth · Vigna radiata (mung bean)Positive and negative results

126 papers: 118 positive, 8 negative or no effect

117 papers in the same direction as this paper · 6 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

122 papers more in this group

See all 126 papers →

inoculation · soil: biology · Vigna radiata (mung bean)Results agree

9 papers: 9 positive, 0 negative or no effect

8 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

5 papers more in this group

See all 9 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.