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Observationobservedoriginal resultmeasured

Claim · model-written summary

The female stylet is 17.1 mum long.

Taxon
Meloidogyne lusitanicae0
Outcome
stylete1
Value
17.1 mume1

Verbatim

e0

“Meloidogyne lusitanica n. sp., is described”

✓ located verbatim in the source · abstract, characters 36–79
e1

“The stylet is 17.1 mum long with pear-shaped knobs”

✓ located verbatim in the source · abstract, characters 428–478

Title

Meloidogyne lusitanica n. sp. (Nematoda: Meloidogynidae), a Root-knot Nematode Parasitizing Olive Tree (Olea europaea L.).

I M de O Abrantes; M S de A Santos PubMed 1991

Other claims from this paper (7)
Method / resourceobservedoriginal resultbasis n/a

Claim · model-written summary

Thirteen repeat-sensitive genome assemblies of maize and its recent ancestor teosinte were generated.

Taxon
maizeZea mayse0
Outcome
repeat-sensitive genome assembliese0
Value
13e0

Verbatim

t0

“maize”

✓ located verbatim in the source · title, characters 71–76
e0

“we generate 13 repeat-sensitive genome assemblies of maize and its recent ancestor, teosinte”

✓ located verbatim in the source · abstract, characters 623–715

Title

Higher order repeat structures reflect diverging evolutionary paths in maize centromeres and knobs

Rebecca D. Piri; Mingyu Wang; M. Cinta Romay; et al. Genome biology 2026. doi:10.1186/s13059-026-03993-4

Other claims from this paper (9)
Observationobservedreview summarymeasured

Claim · model-written summary

The Arabidopsis knob is susceptible to methylation in the same pattern as other heterochromatic sequences.

Taxon
Arabidopsis thalianaArabidopsis thalianae0
Outcome
susceptible to methylatione1

Verbatim

e0

“Arabidopsis thaliana”

✓ located verbatim in the source · abstract, characters 336–356
e1

“The knob contains largely tandem repeats and retrotransposons with very few transcribed genes, and is susceptible to methylation in the same pattern as are other heterochromatic sequences”

✓ located verbatim in the source · abstract, characters 986–1173

Title

Heterochromatin Knobs Revisited

Science 2000. doi:10.1126/science.287.5456.1169e

Other claims from this paper (2)
Observationhypothesisreview summarymeasured

Claim · model-written summary

The heterochromatic knob of Arabidopsis chromosome 4 may have evolved from an inversion event that moved pericentromeric heterochromatic sequences into the chromosome arm.

Taxon
Arabidopsis thalianaArabidopsis thalianae0
Outcome
may have evolved from an inversion evente1

Verbatim

e0

“Arabidopsis thaliana”

✓ located verbatim in the source · abstract, characters 336–356
e1

“the heterochromatic ‘knob,’ a lump observable by classical cytogenetics, may have evolved from an inversion event”

✓ located verbatim in the source · abstract, characters 768–881

Title

Heterochromatin Knobs Revisited

Science 2000. doi:10.1126/science.287.5456.1169e

Other claims from this paper (2)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Microcoenoses of any type are confined to only one type of plant community.

Taxon
plant communitiese1
Outcome
confined to only one type of communitiese6

Verbatim

e1

“39 plant communities were described and thereafter classified into 7 syntaxonomic units”

✓ located verbatim in the source · abstract, characters 121–208
e6

“microcoenoses of any type are confined to only one type of communities”

✓ located verbatim in the source · abstract, characters 1521–1591

Title

On sand knobs vegetation in Verhulitsa-Lutepää region, South-Eastern Estonia

Jaanus Paal; Kaie Kurg; Taimi Paal Forestry Studies / Metsanduslikud Uurimused 2008. doi:10.2478/v10132-011-0065-y

Other claims from this paper (7)
Observationobservedoriginal resultmeasured

Claim · model-written summary

415 quadrats of the sand knob vegetation were clustered into 23 microcoenose types.

Taxon
plant communitiese1
Outcome
microcoenose typese4
Value
23 microcoenose typese4

Verbatim

e1

“39 plant communities were described and thereafter classified into 7 syntaxonomic units”

✓ located verbatim in the source · abstract, characters 121–208
e4

“Interpreting the vegetation on 1×1 m sample quadrats as microcoenoses, 415 quadrats were clustered into 23 microcoenose types”

✓ located verbatim in the source · abstract, characters 940–1065

Title

On sand knobs vegetation in Verhulitsa-Lutepää region, South-Eastern Estonia

Jaanus Paal; Kaie Kurg; Taimi Paal Forestry Studies / Metsanduslikud Uurimused 2008. doi:10.2478/v10132-011-0065-y

Other claims from this paper (7)
Observationauthor interpretationoriginal resultsimulated

Claim · model-written summary

Modeling suggests that Trkin is unlikely to persist on Ab10.

Taxon
maizeZea mayse1
Gene
Trkine7
Outcome
unlikely to persist on Ab10e7

Verbatim

e1

“In maize, there are 2 meiotic drive systems that target large heterochromatic knobs composed of tandem repeats known as knob180 and TR-1”

✓ located verbatim in the source · abstract, characters 0–136
e7

“Mathematical modeling based on the empirical data suggests that Trkin is unlikely to persist on Ab10”

✓ located verbatim in the source · abstract, characters 1285–1385

Title

Conflicting Kinesin-14s in a single chromosomal drive haplotype

Meghan J Brady; Anjali Gupta; Jonathan I Gent; et al. Genetics 2025. doi:10.1093/genetics/iyaf091

Other claims from this paper (5)
Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The observed TR-1 signals suggest knob duplication and an instability phenomenon in the maize genome.

Taxon
maizeZea mayse0
Outcome
knob duplication and an instability phenomenone3
Qualifier
in the maize genomee3

Verbatim

e0

“Knobs are blocks of heterochromatin present on chromosomes of maize (Zea mays L.)”

✓ located verbatim in the source · abstract, characters 10–91
e3

“suggesting knob duplication and an instability phenomenon in the maize genome”

✓ located verbatim in the source · abstract, characters 952–1029

Title

Heterozygosity of Knob-Associated Tandem Repeats and Knob Instability in Mitotic Chromosomes of Zea (Zea mays L. and Z. diploperennis Iltis Doebley)

Zhi-Yong XIONG; Yong LIU; Yong-Gang HE; et al. Journal of Integrative Plant Biology 2005. doi:10.1111/j.1744-7909.2005.00156.x

Other claims from this paper (4)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

B' may have originated from B through lateral amplification accompanied by base-pair changes (author interpretation).

Taxon
maizeZea mayse2
Outcome
B'e4
Qualifier
originate from B through lateral amplification accompanied by base-pair changese4

Verbatim

e2

“we isolated 59 clones belonging to the TR-1 family from maize and teosinte”

✓ located verbatim in the source · abstract, characters 103–177
e4

“B' may originate from B through lateral amplification accompanied by base-pair changes”

✓ located verbatim in the source · abstract, characters 671–757

Title

Molecular Characterization of a Family of Tandemly Repeated DNA Sequences, TR-1, in Heterochromatic Knobs of Maize and Its Relatives

F C Hsu; C J Wang; C M Chen; et al. Genetics 2003. doi:10.1093/genetics/164.3.1087

Other claims from this paper (8)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Males of T. graminis have a longer tail than males of T. semipenetrans.

Taxon
indigenous flora of Floridae0
Interactor
T. graminisTylenchulus graminise4parasite
Second interactor
T. semipenetransTylenchulus semipenetranse4parasite
Outcome
taile4
Direction
longere4

Verbatim

e0

“T. graminis and T. palustris are parasites of indigenous flora of Florida”

✓ located verbatim in the source · abstract, characters 1253–1326
e4

“T. graminis males have wider stylet knobs and basal bulb and a longer tail than T. semipenetrans males”

✓ located verbatim in the source · abstract, characters 483–585

Title

Tylenchulus graminis n. sp. and T. palustris n. sp. (Tylenchulidae), from Native Flora of Florida, with Notes on T. semipenetrans and T. furcus.

R N Inserra; N Vovlas; J H O'Bannon; et al. PubMed 1988

Other claims from this paper (10)

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