Paper · 2014 · Applied and Environmental Microbiology

Phyllosphere Bacterial Community of Floating Macrophytes in Paddy Soil Environments as Revealed by Illumina High-Throughput Sequencing

Wan-Ying Xie; Jian-Qiang Su; Yong-Guan Zhu

8
claims
14
verbatim quotes
78
citations
1
research areas
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Open access

Abstract

The phyllosphere of floating macrophytes in paddy soil ecosystems, a unique habitat, may support large microbial communities but remains largely unknown. We took Wolffia australiana as a representative floating plant and investigated its phyllosphere bacterial community and the underlying driving forces of community modulation in paddy soil ecosystems using Illumina HiSeq 2000 platform-based 16S rRNA gene sequence analysis. The results showed that the phyllosphere of W. australiana harbored considerably rich communities of bacteria, with Proteobacteria and Bacteroidetes as the predominant phyla. The core microbiome in the phyllosphere contained genera such as Acidovorax, Asticcacaulis, Methylibium, and Methylophilus. Complexity of the phyllosphere bacterial communities in terms of class number and α-diversity was reduced compared to those in corresponding water and soil. Furthermore, the bacterial communities exhibited structures significantly different from those in water and soil. These findings and the following redundancy analysis (RDA) suggest that species sorting played an important role in the recruitment of bacterial species in the phyllosphere. The compositional structures of the phyllosphere bacterial communities were modulated predominantly by water physicochemical properties, while the initial soil bacterial communities had limited impact. Taken together, the findings from this study reveal the diversity and uniqueness of the phyllosphere bacterial communities associated with the floating macrophytes in paddy soil environments.

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Claims 8

Observationobservedoriginal resultmeasured

Claim · model-written summary

The phyllosphere of Wolffia australiana harbored considerably rich bacterial communities.

Taxon
W. australianaWolffia australianae1
Organ / stage
phyllospheree1
Interactor
bacteriaBacteriae1other
Outcome
considerably rich communities of bacteriae1

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

Wolffia australiana
Wolffia australiana · Taxonno rights reserved · CC0 · Wikimedia Commons ↗

Verbatim

e1

“the phyllosphere of W. australiana harbored considerably rich communities of bacteria”

✓ located verbatim in the source · abstract, characters 452–537 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Proteobacteria and Bacteroidetes were the predominant phyla in the phyllosphere of Wolffia australiana.

Taxon
W. australianaWolffia australianae1
Interactor
Proteobacteria and BacteroidetesBacteroidotaPseudomonadotae1other
Outcome
predominant phylae1

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

Wolffia australiana
Wolffia australiana · Taxonno rights reserved · CC0 · Wikimedia Commons ↗

Verbatim

e1

“W. australiana harbored considerably rich communities of bacteria, with Proteobacteria and Bacteroidetes as the predominant phyla”

✓ located verbatim in the source · abstract, characters 472–601 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The core phyllosphere microbiome of the floating macrophyte contained genera such as Acidovorax, Asticcacaulis, Methylibium and Methylophilus.

Taxon
Floating Macrophytest0
Organ / stage
phyllospheree1
Interactor
Acidovorax, Asticcacaulis, Methylibium, and MethylophilusMethylophilusAcidovoraxAsticcacaulisMethylibiume1other
Outcome
core microbiomee1

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

Acidovorax
Acidovorax · Interactor · picture of the genus (one of its species)Shanmugam Mayilraj · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Floating Macrophytes”

✓ located verbatim in the source · title, characters 36–56 · show in text ↑
e1

“The core microbiome in the phyllosphere contained genera such as Acidovorax, Asticcacaulis, Methylibium, and Methylophilus”

✓ located verbatim in the source · abstract, characters 603–725 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Phyllosphere bacterial community complexity (class number and alpha-diversity) was reduced compared with corresponding water and soil.

Taxon
Floating Macrophytest0
Outcome
class number and α-diversitye1
Direction
reducede1
Comparator
corresponding water and soile1

Verbatim

t0

“Floating Macrophytes”

✓ located verbatim in the source · title, characters 36–56 · show in text ↑
e1

“Complexity of the phyllosphere bacterial communities in terms of class number and α-diversity was reduced compared to those in corresponding water and soil”

✓ located verbatim in the source · abstract, characters 727–882 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Phyllosphere bacterial community structures were significantly different from those in water and soil.

Taxon
Floating Macrophytest0
Outcome
structurese1
Comparator
water and soile1

Verbatim

t0

“Floating Macrophytes”

✓ located verbatim in the source · title, characters 36–56 · show in text ↑
e1

“the bacterial communities exhibited structures significantly different from those in water and soil”

✓ located verbatim in the source · abstract, characters 897–996 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Species sorting is suggested to have played an important role in recruiting bacterial species into the phyllosphere.

Taxon
Floating Macrophytest0
Outcome
recruitment of bacterial species in the phyllospheree1
Qualifier
species sortinge1

Verbatim

t0

“Floating Macrophytes”

✓ located verbatim in the source · title, characters 36–56 · show in text ↑
e1

“species sorting played an important role in the recruitment of bacterial species in the phyllosphere”

✓ located verbatim in the source · abstract, characters 1070–1170 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The composition of phyllosphere bacterial communities was modulated predominantly by water physicochemical properties.

Taxon
Floating Macrophytest0
Treatment
water physicochemical propertiese1
Outcome
compositional structures of the phyllosphere bacterial communitiese1

Not reportedDirection

Verbatim

t0

“Floating Macrophytes”

✓ located verbatim in the source · title, characters 36–56 · show in text ↑
e1

“The compositional structures of the phyllosphere bacterial communities were modulated predominantly by water physicochemical properties”

✓ located verbatim in the source · abstract, characters 1172–1307 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Initial soil bacterial communities had limited impact on phyllosphere bacterial community composition.

Taxon
Floating Macrophytest0
Treatment
initial soil bacterial communitiese1
Outcome
limited impacte1

Not reportedDirection

Verbatim

t0

“Floating Macrophytes”

✓ located verbatim in the source · title, characters 36–56 · show in text ↑
e1

“the initial soil bacterial communities had limited impact”

✓ located verbatim in the source · abstract, characters 1315–1372 · show in text ↑