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Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

In hermaphroditic S. acaulis flowers, germinating pollen grains significantly decreased only at a 1:3 pollen-to-spore ratio.

Taxon
S. acaulisSilene acaulise1
Organ / stage
hermaphroditic flowerse0
Treatment
spores were applied in a 1:3 ratio of pollen to sporese0
Interactor
Microbotryum violaceumMicrobotryum violaceume2pathogen
Outcome
number of germinating pollen grainse0
Direction
decreasede0

Not reportedComparator

Verbatim

e0

“In hermaphroditic flowers the number of germinating pollen grains decreased significantly only when spores were applied in a 1:3 ratio of pollen to spores.”

✓ located verbatim in the source · abstract, characters 1132–1287
e1

“S. acaulis pollen”

✓ located verbatim in the source · abstract, characters 727–744
e2

“Microbotryum violaceum (Ustilago violacea) teliospores”

✓ located verbatim in the source · abstract, characters 55–109

Title

The Effect of Microbotryum violaceum Spores on Pollen Germination in Silene acaulis

Deborah L. Marr International Journal of Plant Sciences 1998. doi:10.1086/297542

Other claims from this paper (8)
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Heterospecific Mertensia viridis pollen did not change S. acaulis pollen germination relative to pure pollen.

Taxon
S. acaulisSilene acaulise2
Treatment
heterospecific pollen treatmente0
Interactor
Mertensia viridisMertensia viridise1other
Outcome
number of pollen grains germinatinge0
Direction
No differencese0
Comparator
pure pollen treatmente0

Verbatim

e0

“No differences were found in the number of pollen grains germinating between the pure pollen treatment and the heterospecific pollen treatment.”

✓ located verbatim in the source · abstract, characters 775–918
e1

“Mertensia viridis”

✓ located verbatim in the source · abstract, characters 671–688
e2

“S. acaulis pollen”

✓ located verbatim in the source · abstract, characters 727–744

Title

The Effect of Microbotryum violaceum Spores on Pollen Germination in Silene acaulis

Deborah L. Marr International Journal of Plant Sciences 1998. doi:10.1086/297542

Other claims from this paper (8)
Observationobservedoriginal resultmeasured

Claim · model-written summary

In germinated pear pollen grains, microtubules form network-like arrays through most of the grain.

Organ / stage
pollen graine5
Outcome
network-like arrayse5

Verbatim

e0

“To study microtubule organization in germinating pear (Pyrus communis L., cv., Bartlett) pollen”

✓ located verbatim in the source · abstract, characters 0–95
e5

“Eventually, in a germinated pollen grain, the microtubules form network-like arrays through most of the pollen grain and a collar of short arrays at the base of the pollen tube”

✓ located verbatim in the source · abstract, characters 770–946

Title

The initiation and organization of microtubules in germinating pear (Pyrus communis L.) pollen.

S C Tiwari; V S Polito PubMed 1990

Other claims from this paper (7)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Microtubules are absent from vegetative cells of inactivated pear pollen but present in vegetative cells of activated pollen.

Organ / stage
vegetative cellse2
Outcome
Microtubulese2
Qualifier
inactivated pollene2

Verbatim

e0

“To study microtubule organization in germinating pear (Pyrus communis L., cv., Bartlett) pollen”

✓ located verbatim in the source · abstract, characters 0–95
e2

“Microtubules are not present in the vegetative cells of inactivated pollen, but they are present in the vegetative cells of activated pollen grains”

✓ located verbatim in the source · abstract, characters 375–522

Title

The initiation and organization of microtubules in germinating pear (Pyrus communis L.) pollen.

S C Tiwari; V S Polito PubMed 1990

Other claims from this paper (7)
Observationobservedoriginal resultmeasured

Claim · model-written summary

At-RAB2 reporter staining predominated in growing organs of germinating seedlings.

Taxon
plantsViridiplantaee0
Organ / stage
rapidly growing organs of germinating seedlingse0
Gene
At-RAB2e0
Outcome
histochemical staininge0

Verbatim

e0

“Transgenic plants containing fusions between beta-glucuronidase and sequences upstream of At-RAB2 demonstrated histochemical staining predominantly in maturing pollen and rapidly growing organs of germinating seedlings.”

✓ located verbatim in the source · abstract, characters 352–571

Title

A homolog of the mammalian GTPase Rab2 is present in Arabidopsis and is expressed predominantly in pollen grains and seedlings

Ian Moore; Thomas Diefenthal; Viktor Zarsky; et al. Proceedings of the National Academy of Sciences 1997. doi:10.1073/pnas.94.2.762

Other claims from this paper (4)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Axial microtubule bundles are present in the generative cell of both inactivated and activated pear pollen.

Organ / stage
generative celle1
Outcome
axial bundles of microtubulese1

Verbatim

e0

“To study microtubule organization in germinating pear (Pyrus communis L., cv., Bartlett) pollen”

✓ located verbatim in the source · abstract, characters 0–95
e1

“Results reveal that axial bundles of microtubules are present in the generative cell of both inactivated and activated pollen grains”

✓ located verbatim in the source · abstract, characters 241–373

Title

The initiation and organization of microtubules in germinating pear (Pyrus communis L.) pollen.

S C Tiwari; V S Polito PubMed 1990

Other claims from this paper (7)
Observationobservedoriginal resultmeasured

Claim · model-written summary

At-RAB2 reporter staining predominated in maturing pollen.

Taxon
plantsViridiplantaee0
Organ / stage
maturing pollene0
Gene
At-RAB2e0
Outcome
histochemical staininge0

Verbatim

e0

“Transgenic plants containing fusions between beta-glucuronidase and sequences upstream of At-RAB2 demonstrated histochemical staining predominantly in maturing pollen and rapidly growing organs of germinating seedlings.”

✓ located verbatim in the source · abstract, characters 352–571

Title

A homolog of the mammalian GTPase Rab2 is present in Arabidopsis and is expressed predominantly in pollen grains and seedlings

Ian Moore; Thomas Diefenthal; Viktor Zarsky; et al. Proceedings of the National Academy of Sciences 1997. doi:10.1073/pnas.94.2.762

Other claims from this paper (4)

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