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“knobs”

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Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

The number of 180- and 350-bp repeat loci does not correlate with the number of knobs in maize.

Taxon: maizeZea mayst0
Outcome: number of 180- and 350-bp repeat locie2
Direction: do not correlatee2
Comparator: number of knobse2

Verbatim

t0
“Knobless Maize Lines”
✓ located verbatim in the source · title, characters 114–134

e2
“Our results show that the number of 180- and 350-bp repeat loci do not correlate with the number of knobs in maize and that these tandem repeats are not independently sufficient to confer knob heterochromatin, even when present at megabase sizes”
✓ located verbatim in the source · abstract, characters 301–546

Title

Fluorescence In Situ Hybridization Analysis Reveals Multiple Loci of Knob-associated DNA Elements in One-knob and Knobless Maize Lines

Sami S.M. Adawy; Robert M. Stupar; Jiming Jiang Journal of Histochemistry & Cytochemistry 2004. doi:10.1369/jhc.4b6335.2004

Other claims from this paper (2)

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

In the st1 mutant, association of knob DNA with abnormal anaphases did not increase.

Taxon: maizeZea mayst0
Material: st1 mutante0
Outcome: association of knob DNA with abnormal anaphasese0
Direction: not accompanied by an increasee0

Verbatim

e0
“The increase in abnormal anaphase figures in the st1 mutant was not accompanied by an increase in association of knob DNA with abnormal anaphases”
✓ located verbatim in the source · abstract, characters 819–964

t0
“PRINS-Labeled Knobs Are Not Associated with Increased Chromosomal Stickiness in the Maize st1 Mutant”
✓ located verbatim in the source · title, characters 0–100

Title

PRINS-Labeled Knobs Are Not Associated with Increased Chromosomal Stickiness in the Maize st1 Mutant

T. C. Tatum Journal of Heredity 2006. doi:10.1093/jhered/esl014

Other claims from this paper (6)

Observation The maize st1 mutant has sticky chromosomes during mitotic and meiotic anaphase.
Observation Sticky chromosomes show abnormal separation at anaphase.
Method / resource PRINS-labeled regions corresponded to reported C bands.
Observation The st1 mutant had more abnormal anaphase figures.
Mechanism The authors interpret increased stickiness as involving both knob and nonknob chromosome regions.
Mechanism The mechanism of st1 stickiness is hypothesized to differ from other reported sticky chromosome cases.

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Species richness depends marginally insignificantly on humus horizon thickness (p = 0,051).

Taxon: plant communitiese1
Treatment: humus horizon thicknesse3
Outcome: species richnesse3
Value: p = 0,051e3
Qualifier: marginally insignificantlye3

Not reportedDirection

Verbatim

e1
“39 plant communities were described and thereafter classified into 7 syntaxonomic units”
✓ located verbatim in the source · abstract, characters 121–208

e3
“The species richness of communities depends mostly on the amount of litter and marginally insignificantly (p = 0,051) also on humus horizon thickness”
✓ located verbatim in the source · abstract, characters 789–938

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)

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

The 180- and 350-bp tandem repeats are not independently sufficient to confer knob heterochromatin, even when present at megabase sizes.

Taxon: maizeZea mayst0
Gene: these tandem repeatse2
Outcome: confer knob heterochromatine2
Qualifier: even when present at megabase sizese2

Not reportedDirection

Verbatim

t0
“Knobless Maize Lines”
✓ located verbatim in the source · title, characters 114–134

e2
“Our results show that the number of 180- and 350-bp repeat loci do not correlate with the number of knobs in maize and that these tandem repeats are not independently sufficient to confer knob heterochromatin, even when present at megabase sizes”
✓ located verbatim in the source · abstract, characters 301–546

Title

Fluorescence In Situ Hybridization Analysis Reveals Multiple Loci of Knob-associated DNA Elements in One-knob and Knobless Maize Lines

Sami S.M. Adawy; Robert M. Stupar; Jiming Jiang Journal of Histochemistry & Cytochemistry 2004. doi:10.1369/jhc.4b6335.2004

Other claims from this paper (2)

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“knobs”

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