Abstract
Rice allelopathy is a hot topic in the field of allelopathy, and behaviour of donor allelopathic rice has been well documented. However, few study addresses response of receiver barnyardgrass (BYG). We found that expression of miRNAs relevant to plant hormone signal transduction, nucleotide excision repair and the peroxisome proliferator-activated receptor and p53 signalling pathways was enhanced in BYG co-cultured with the allelopathic rice cultivar PI312777, the expression levels of these miRNAs in BYG plants were positively correlated with allelopathic potential of the co-cultured rice varieties. Treatment of BYG plants with rice-produced phenolic acids also increased miRNA expression in BYG, while treatment with rice-produced terpenoids had no obvious effect on miRNA expression. In the hydroponic system, the largest number of Myxococcus sp. was found in the growth medium containing rice with the highest allelopathic potential. The addition of phenolic acids in the hydroponic medium also increased the number of Myxococcus sp. More interestingly, inoculation with Myxococcus xanthus significantly increased miRNA expression in the treated BYG. Jointed treatments of ferulic acid and M. xanthus led to strongest growth inhibition of BYG. The results suggest that there exist involvement of Myxococcus sp. and mediation of miRNA expression in rice allelopathy against BYG.
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Claims 9
Claim · model-written summary
miRNA expression is enhanced in barnyardgrass co-cultured with the allelopathic rice cultivar PI312777.
- Taxon
- barnyardgrass
Echinochloa crus-gallit0 - Treatment
- co-cultured with the allelopathic rice cultivar PI312777e1
- Interactor
- allelopathic rice cultivar PI312777e1other
- Outcome
- expression of miRNAse1
- Direction
- enhancede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e1“expression of miRNAs relevant to plant hormone signal transduction, nucleotide excision repair and the peroxisome proliferator-activated receptor and p53 signalling pathways was enhanced in BYG co-cultured with the allelopathic rice cultivar PI312777”
Claim · model-written summary
miRNA expression levels in barnyardgrass are positively correlated with the allelopathic potential of co-cultured rice varieties.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Treatment
- co-cultured rice varietiese2
- Interactor
- rice varieties
Oryza sativae2other - Outcome
- expression levels of these miRNAse2
- Direction
- positively correlatede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e2“the expression levels of these miRNAs in BYG plants were positively correlated with allelopathic potential of the co-cultured rice varieties”
Claim · model-written summary
Rice-produced phenolic acids increase miRNA expression in barnyardgrass.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Treatment
- rice-produced phenolic acidse3
- Outcome
- miRNA expressione3
- Direction
- increasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e3“Treatment of BYG plants with rice-produced phenolic acids also increased miRNA expression in BYG, while treatment with rice-produced terpenoids had no obvious effect on miRNA expression”
Claim · model-written summary
Rice-produced terpenoids had no obvious effect on miRNA expression in barnyardgrass.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Treatment
- rice-produced terpenoidse3
- Outcome
- miRNA expressione3
- Direction
- no obvious effecte3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e3“Treatment of BYG plants with rice-produced phenolic acids also increased miRNA expression in BYG, while treatment with rice-produced terpenoids had no obvious effect on miRNA expression”
Claim · model-written summary
The largest number of Myxococcus sp. was found in the growth medium containing the rice with the highest allelopathic potential.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Treatment
- growth medium containing rice with the highest allelopathic potentiale4
- Interactor
- Myxococcus sp.
Myxococcuse4other - Outcome
- number of Myxococcus sp.e4
- Direction
- largeste4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e4“In the hydroponic system, the largest number of Myxococcus sp. was found in the growth medium containing rice with the highest allelopathic potential”
Claim · model-written summary
Adding phenolic acids to the hydroponic medium increases the number of Myxococcus sp.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Treatment
- addition of phenolic acids in the hydroponic mediume5
- Interactor
- Myxococcus sp.Myxococcuse5other
- Outcome
- number of Myxococcus sp.e5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e5“The addition of phenolic acids in the hydroponic medium also increased the number of Myxococcus sp.”
Claim · model-written summary
Inoculation with Myxococcus xanthus significantly increases miRNA expression in treated barnyardgrass.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Treatment
- inoculation with Myxococcus xanthuse6
- Interactor
- Myxococcus xanthusMyxococcus xanthuse6other
- Outcome
- miRNA expressione6
- Direction
- increasede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e6“More interestingly, inoculation with Myxococcus xanthus significantly increased miRNA expression in the treated BYG”
Claim · model-written summary
Joint treatment of ferulic acid and M. xanthus gives the strongest growth inhibition of barnyardgrass.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Treatment
- Jointed treatments of ferulic acid and M. xanthuse7
- Interactor
- M. xanthuse7other
- Outcome
- growth inhibitione7
- Direction
- strongeste7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e7“Jointed treatments of ferulic acid and M. xanthus led to strongest growth inhibition of BYG”
Claim · model-written summary
The results suggest that Myxococcus sp. is involved in, and mediates miRNA expression in, rice allelopathy against barnyardgrass.
- Taxon
- barnyardgrassEchinochloa crus-gallit0
- Outcome
- rice allelopathy against BYGe7
- Qualifier
- involvement of Myxococcus sp. and mediation of miRNA expressione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“microRNAs in barnyardgrass”
e7“The results suggest that there exist involvement of Myxococcus sp. and mediation of miRNA expression in rice allelopathy against BYG”