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paper W2149253236 ✕

Observationobservedoriginal resultmeasured

Claim · model-written summary

Fluorescence in situ hybridization localized the B repeat to the B centromere.

Taxon
maizeZea mayse2
Organ / stage
B centromeree3
Outcome
B repeate3

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
e3

“Fluorescence in situ hybridization localized the B repeat to the B centromere”

✓ located verbatim in the source · abstract, characters 1397–1474

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)
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)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The B component may have evolved from the 180-bp knob repeat through mutations during evolution (author interpretation).

Taxon
maizeZea mayse2
Outcome
B componente3
Qualifier
as a result of mutations during evolutione3

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
e3

“the B component may evolve from the 180-bp knob repeat as a result of mutations during evolution”

✓ located verbatim in the source · abstract, characters 569–665

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)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

C plus A may be a single sequence added to B and B', probably via nonhomologous recombination (author interpretation).

Taxon
maizeZea mayse2
Outcome
C plus Ae5
Qualifier
probably via nonhomologous recombinatione5

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
e5

“C plus A may be a single sequence that is added to B and B', probably via nonhomologous recombination”

✓ located verbatim in the source · abstract, characters 763–864

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)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The B repeat may be derived from knob repeats in A chromosomes, which then became structurally modified (author interpretation).

Taxon
maizeZea mayse2
Outcome
the B repeate3
Qualifier
derived from knob repeats in A chromosomese3

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
e3

“suggests that the B repeat is derived from knob repeats in A chromosomes, which subsequently become structurally modified”

✓ located verbatim in the source · abstract, characters 1274–1395

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

TR-1 elements show partial sequence homology with two centromeric B-repeat sequences of the supernumerary B chromosome.

Taxon
maizeZea mayse2
Outcome
partial homologies between TR-1 elements and two centromeric sequences (B repeats)e7

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
e7

“Sequence comparisons showed partial homologies between TR-1 elements and two centromeric sequences (B repeats) of the supernumerary B chromosome”

✓ located verbatim in the source · abstract, characters 993–1137

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

Fluorescence in situ hybridization localized the 180-bp and TR-1 repeats to the proximal heterochromatin knob on the B chromosome.

Taxon
maizeZea mayse2
Organ / stage
proximal heterochromatin knob on the B chromosomee3
Outcome
180-bp and TR-1 repeatse3

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
e3

“Fluorescence in situ hybridization localized the B repeat to the B centromere and the 180-bp and TR-1 repeats to the proximal heterochromatin knob on the B chromosome”

✓ located verbatim in the source · abstract, characters 1397–1563

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)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

69 bp at the 3' end of B or B' and the entire sequence of C can be removed from the elements by an unknown mechanism (author interpretation).

Taxon
maizeZea mayse2
Outcome
69 bp at the 3' end of B or B', and the entire sequence of Ce6
Qualifier
removed from the elements by an unknown mechanisme6

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
e6

“69 bp at the 3' end of B or B', and the entire sequence of C can be removed from the elements by an unknown mechanism”

✓ located verbatim in the source · abstract, characters 874–991

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

TR-1 family members are composed of three basic sequences (A, B or B', 2/3B or 2/3B', C) arranged in combinations that give repeat units of about 180 bp multiples.

Taxon
maize and teosintee2
Outcome
basic sequencese1

Verbatim

e1

“members of this family are composed of three basic sequences, A (67 bp); B (184 bp) or its variants B' (184 bp), 2/3B (115 bp), 2/3B' (115 bp); and C (108 bp), which are arranged in various combinations to produce repeat units that are multiples of approximately 180 bp”

✓ located verbatim in the source · abstract, characters 238–507
e2

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

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

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)

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