Nitrososphaera 7 claims

genus · family Nitrososphaeraceae · archaeon · NCBI Taxonomy ↗

NCBI synonyms: Candidatus Nitrososphaera

3 spellings

Nitrososphaera · picture of the genus (one of its species)Michaela Stieglmeier, Andreas Klingl, Ricardo J. E. Alves, Simon K.-M. R. Rittmann, Michael Melcher, Nikolaus Leisch, Christa Schleper · CC BY 3.0 · Wikimedia Commons ↗

7 claims

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Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Nitrososphaera relative abundance increased under N plus inhibitor.

Taxon: StrawberryFragaria ×ananassat0
Treatment: N + Nie0
Interactor: NitrososphaeraNitrososphaerae0other
Outcome: Nitrososphaerae0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Relative abundance of Gemmatimonas decreased under N + Ni, whereas Nitrososphaera increased.”
✓ located verbatim in the source · abstract, characters 1114–1206

t0
“Strawberry”
✓ located verbatim in the source · title, characters 65–75

Title

Effect of Nitrification Inhibitors on the Soil Microbiome During Strawberry Cultivation

Jana Maková; Renata Artimová; Soňa Javoreková; et al. Nitrogen 2026. doi:10.3390/nitrogen7020039

Other claims from this paper (12)

Intervention effect Total bacterial counts increased under N fertilizer.
Intervention effect Total bacterial counts remained 5.89 under N plus inhibitor.
Intervention effect Microscopic fungi increased during spring under fertilization.
Intervention effect Microscopic fungi decreased in July of the second year under fertilization.
Observation Microbial community composition differed among treatments.
Association Sampling time explained more community variability than fertilization.
Intervention effect Gemmatimonas relative abundance decreased under N plus inhibitor.
Intervention effect Fungal Shannon diversity decreased under N plus inhibitor.
Intervention effect Prokaryotic diversity did not differ significantly.
Intervention effect Strawberry yield under N plus inhibitor was 109% higher than the control in year two.
Intervention effect Strawberry yield under N plus inhibitor was 80% higher than the N treatment in year two.
Mechanism The inhibitor-containing fertilization regime may have influenced earlier nitrogen availability.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Individual biofertilizer treatments produced distinct microbial clustering and correlations with Candidatus Nitrososphaera and Pseudomonas.

Taxon: onionAllium cepat0
Treatment: individual biofertilizer treatmentse0
Interactor: Candidatus NitrososphaeraNitrososphaerae0symbiont
Second interactor: PseudomonasPseudomonase0symbiont
Outcome: Distinct clustering and correlationse0

Not reportedDirection

Verbatim

t0
“onion ( Allium cepa L.)”
✓ located verbatim in the source · title, characters 74–97

e0
“Distinct clustering and correlations with specific microbial taxa such as Candidatus Nitrososphaera and Pseudomonas were observed in response to individual biofertilizer treatments”
✓ located verbatim in the source · abstract, characters 1254–1434

Title

Microbial allies: shaping growth, physiology, and rhizosphere dynamics of onion ( Allium cepa L.)

Pranjali A. Gedam; Kiran Khandagale; Vitthal T. Barvkar; et al. PeerJ 2026. doi:10.7717/peerj.20566

Other claims from this paper (11)

Intervention effect Azotobacter increased onion height, leaf number, and leaf area.
Intervention effect Azospirillum increased onion height, leaf number, and leaf area.
Intervention effect Azotobacter increased onion chlorophyll content, photosynthetic rate, and antioxidant enzyme activity.
Intervention effect Azospirillum increased onion chlorophyll content, photosynthetic rate, and antioxidant enzyme activity.
Intervention effect Azotobacter inoculation lowered onion leaf temperature.
Intervention effect Azospirillum inoculation lowered onion leaf temperature.
Intervention effect Azotobacter significantly enhanced onion bulb phenol content.
Observation Four phyla together comprised over 70% of the onion rhizosphere microbiome.
Intervention effect Azospirillum inoculation enriched onion rhizosphere microbial community structure.
Intervention effect PSB inoculation enriched onion rhizosphere microbial community structure.
Recommendation The authors propose integrating biofertilizers into onion production to reduce reliance on chemical fertilizers.

Associationobservedoriginal resultmeasured

Claim · model-written summary

AMO activity correlated negatively with Nitrososphaera abundance.

Interactor: NitrososphaeraNitrososphaerae0other
Outcome: AMO activitye0
Direction: negativelye0

Not reportedTaxon

Verbatim

e0
“AMO activity correlated negatively with Nitrososphaera abundance”
✓ located verbatim in the source · abstract, characters 1405–1469

Title

High manganese levels promote soil ammonium nitrogen accumulation but suppress plant nitrogen uptake

Jinlan Huang; Wenqiang Chen; Ziang Zhao; et al. Ecotoxicology and Environmental Safety 2026. doi:10.1016/j.ecoenv.2026.120402

Other claims from this paper (11)

Intervention effect High Mn concentrations reduced sugarcane nitrogen accumulation by about half.
Intervention effect Elevated Mn stimulated soil urease activity.
Intervention effect Elevated Mn suppressed soil ammonia monooxygenase activity and nitrification potential.
Observation Soil soluble organic nitrogen fell from 88.46 to 20.78 mg kg⁻¹.
Observation Soil ammonium nitrogen rose from 3.29 to 14.50 mg kg⁻¹.
Association Soil bacterial alpha diversity had a U-shaped response to increasing Mn.
Observation Soil bacterial composition remained relatively stable.
Observation AOA had greater OTU richness and diversity than AOB.
Association AMO activity correlated positively with Nitrosospira abundance.
Association Nitrosospira declined as Mn increased.
Association Nitrosovibrio became dominant as Mn increased.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The enriched bacteria included nitrifiers Candidatus Nitrososphaera and Nitrosovibrio.

Taxon: maize (Zea mays L.)Zea mayst0
Interactor: Candidatus Nitrososphaera , and NitrosovibrioNitrosovibrioNitrososphaerae0symbiont
Outcome: nitrification bacteriae0

Verbatim

e0
“nitrification bacteria Candidatus Nitrososphaera , and Nitrosovibrio”
✓ located verbatim in the source · abstract, characters 1547–1615

t0
“maize (Zea mays L.)”
✓ located verbatim in the source · title, characters 58–77

Title

Accumulation of beneficial bacteria in the rhizosphere of maize (Zea mays L.) grown in a saline soil in responding to a consortium of plant growth promoting rhizobacteria

Jieli Peng; Jia Ma; Xiaoyan Wei; et al. Annals of Microbiology 2021. doi:10.1186/s13213-021-01650-8

Other claims from this paper (6)

Observation The selected consortium strains tolerated salt.
Observation The three consortium strains had several growth-promoting properties.
Observation The selected strains inhibited several phytopathogenic fungi.
Intervention effect Consortium inoculation promoted maize growth in saline soil.
Intervention effect Consortium inoculation enriched beneficial rhizosphere bacteria in maize under saline soil conditions.
Observation The enriched bacteria included nitrogen-fixing Azotobacter, Sinorhizobium and Devosia.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Nitrososphaera clade members were abundant in the root-associated microbiota.

Taxon: Sedum takesimense Nakai and Campanula takesimana NakaiPhedimus takesimensis Campanula takesimanae0
Organ / stage: rootse1
Interactor: NitrososphaeraNitrososphaerae1other
Outcome: Nitrososphaera clade members were abundante1

Verbatim

e0
“Sedum takesimense Nakai and Campanula takesimana Nakai”
✓ located verbatim in the source · abstract, characters 437–491

e1
“Nitrososphaera clade members were abundant, indicating functional association with roots”
✓ located verbatim in the source · abstract, characters 927–1015

Title

Rhizocompartments and environmental factors affect microbial composition and variation in native plants

Myung-Suk Kang; Moonsuk Hur; Soo-Je Park The Journal of Microbiology 2019. doi:10.1007/s12275-019-8646-1

Other claims from this paper (2)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Candidatus Nitrososphaera dominated bacteria at maturity, at 20.16%.

Taxon: TobaccoNicotiana tabacumt0
Organ / stage: mature periode0
Interactor: Candidatus NitrososphaeraNitrososphaerae0other
Outcome: most dominant bacteriae0
Value: 20.16%e0

Verbatim

e0
“the most dominant bacteria at mature period were Candidatus Nitrososphaera, accounting for 20.16%”
✓ located verbatim in the source · abstract, characters 953–1050

t0
“Tobacco”
✓ located verbatim in the source · title, characters 43–50

Title

Microbial Diversity of Rhizosphere Soil of Tobacco at Different Growth Periods

Zebin Chen; Xi Gao; Li Lin; et al. 2018 International Conference on Biomedical Engineering, Machinery and Earth Science (BEMES 2018) 2018. doi:10.25236/bemes.2018.004