Landoltia punctata 150 claims

species · family Araceae · green plant · NCBI Taxonomy ↗

Also written in claims: S. punctata · Spirodela punctata · L. punctata 0202 · Lemna punctata · common duckweed · Spirodela punctata G.F.W. Meyer — NCBI synonyms: Lemna punctata · Spirodela punctata

13 spellings

Landoltia punctataKevin Thiele from Perth, Australia · CC BY 2.0 · Wikimedia Commons ↗

150 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

Landoltia punctata showed dramatic gene family contraction.

Taxon: Landoltia punctataLandoltia punctatae0
Outcome: gene family contractione0

Not reportedDirection

Verbatim

e0
“Although Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 963–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Under combined treatment, starch content reached 72.2 percent dry basis in ten days.

Taxon: Landoltia punctataLandoltia punctatae1
Treatment: nutrient limitation treatment with elevated CO 2 levelse0
Outcome: starch contente0
Value: 72.2% (dry basis)e0

Not reportedDirection

Verbatim

e0
“its starch content and productivity reached 72.2% (dry basis) and 10.4 g m -2 d -1 , respectively, in 10 days, equivalent to a yield of 38.0 t ha -1 y -1 , under nutrient limitation treatment with elevated CO 2 levels.”
✓ located verbatim in the source · abstract, characters 1034–1252

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.

Taxon: Landoltia punctataLandoltia punctatae1
Treatment: nutrient limitation treatment with elevated CO 2 levelse0
Outcome: productivitye0
Value: 10.4 g m -2 d -1e0

Not reportedDirection

Verbatim

e0
“its starch content and productivity reached 72.2% (dry basis) and 10.4 g m -2 d -1 , respectively, in 10 days, equivalent to a yield of 38.0 t ha -1 y -1 , under nutrient limitation treatment with elevated CO 2 levels.”
✓ located verbatim in the source · abstract, characters 1034–1252

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.

Taxon: Landoltia punctataLandoltia punctatae1
Treatment: nutrient limitation treatment with elevated CO 2 levelse0
Outcome: yielde0
Value: 38.0 t ha -1 y -1e0

Not reportedDirection

Verbatim

e0
“equivalent to a yield of 38.0 t ha -1 y -1 , under nutrient limitation treatment with elevated CO 2 levels.”
✓ located verbatim in the source · abstract, characters 1145–1252

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Associationobservedoriginal resultmeasured

Claim · model-written summary

High starch accumulation was associated with DNA methylation and transcription factor regulation.

Taxon: Landoltia punctataLandoltia punctatae1
Outcome: regulation of DNA methylation and transcription factorse0
Qualifier: This phenomenone0

Not reportedGeneDirection

Verbatim

e0
“This phenomenon is associated with the regulation of DNA methylation and transcription factors”
✓ located verbatim in the source · abstract, characters 1325–1419

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Transcription of key starch biosynthesis enzymes was significantly upregulated.

Taxon: Landoltia punctataLandoltia punctatae1
Gene: key enzymes involved in starch biosynthesise0
Outcome: transcription levelse0
Direction: upregulatede0

Verbatim

e0
“the significantly upregulated transcription levels and the increased activities of key enzymes involved in starch biosynthesis.”
✓ located verbatim in the source · abstract, characters 1431–1558

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Activities of key starch biosynthesis enzymes increased.

Taxon: Landoltia punctataLandoltia punctatae1
Outcome: activities of key enzymes involved in starch biosynthesise0
Direction: increasede0

Verbatim

e0
“the significantly upregulated transcription levels and the increased activities of key enzymes involved in starch biosynthesis.”
✓ located verbatim in the source · abstract, characters 1431–1558

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen redistribution increased.

Taxon: Landoltia punctataLandoltia punctatae1
Outcome: nitrogen redistributione0
Direction: increasede0

Verbatim

e0
“while nitrogen redistribution was increased”
✓ located verbatim in the source · abstract, characters 1569–1612

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Sucrose biosynthesis and transportation declined.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Sucrose biosynthesis and transportation declined.

Taxon: Landoltia punctataLandoltia punctatae1
Outcome: sucrose biosynthesis and transportatione0
Direction: reducede0

Verbatim

e0
“sucrose biosynthesis and transportation and lignocellulose biosynthesis were reduced”
✓ located verbatim in the source · abstract, characters 1614–1698

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Lignocellulose biosynthesis declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Lignocellulose biosynthesis declined.

Taxon: Landoltia punctataLandoltia punctatae1
Outcome: lignocellulose biosynthesise0
Direction: reducede0

Verbatim

e0
“lignocellulose biosynthesis were reduced”
✓ located verbatim in the source · abstract, characters 1658–1698

e1
“Landoltia punctata exhibits dramatic gene family contraction”
✓ located verbatim in the source · abstract, characters 972–1032

Title

Duckweed: a starch-hyperaccumulating plant under cultivation with a combination of nutrient limitation and elevated CO2

Ling Guo; Yang Fang; Songhu Wang; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1531849

Other claims from this paper (12)

Observation Landoltia punctata showed dramatic gene family contraction.
Observation Under combined treatment, starch content reached 72.2 percent dry basis in ten days.
Observation Under combined treatment, starch productivity reached 10.4 g m -2 d -1 in ten days.
Observation The reported annualized starch yield equivalent was 38.0 t ha -1 y -1.
Association High starch accumulation was associated with DNA methylation and transcription factor regulation.
Observation Transcription of key starch biosynthesis enzymes was significantly upregulated.
Observation Activities of key starch biosynthesis enzymes increased.
Observation Nitrogen redistribution increased.
Observation Sucrose biosynthesis and transportation declined.
Mechanism Lignocellulose content declined.
Mechanism Protein content declined.
Mechanism Starch accumulation in chloroplasts increased.