Paper · 1979 · Acta Botanica Neerlandica

SOME CHANGES IN THE SUBCELLULAR STRUCTURE OF ROOT CELLS OF PHASEOLUS VULGARIS AS A RESULT OF CESSATION OF AERATION IN THE ROOT MEDIUM

C. Papenhuijzen; M. H. Roos

4
claims
9
verbatim quotes
6
citations
1
research areas
—
Not open access

Abstract

Following cessation of aeration of the nutrient solution several effects could be observed in cells of the root tips of bean plants: Starch grains disappeared from the amyloplasts; small electron dense bodies, probably lipids, were formed and the rough endoplasmatic reticulum showed concentric arrangements. The internal structure of the mitochondria seemed unaffected.

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Claims 4

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

After aeration ceased, starch grains disappeared from root-tip amyloplasts.

Taxon
bean plantse0
Organ / stage
root tipse0
Treatment
cessation of aeration of the nutrient solutione0
Outcome
Starch grainse0
Direction
disappearede0

Not reportedComparator

Verbatim

e0

“Following cessation of aeration of the nutrient solution several effects could be observed in cells of the root tips of bean plants: Starch grains disappeared from the amyloplasts”

✓ located verbatim in the source · abstract, characters 0–179 · show in text ↑
t0

“PHASEOLUS VULGARIS”

✓ located verbatim in the source · title, characters 59–77 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

After aeration ceased, small electron dense bodies, possibly lipids, formed in root-tip cells.

Taxon
bean plantse0
Organ / stage
root tipse0
Treatment
cessation of aeration of the nutrient solutione0
Outcome
small electron dense bodies, probably lipidse0

Not reportedComparatorDirection

Verbatim

e0

“Following cessation of aeration of the nutrient solution several effects could be observed in cells of the root tips of bean plants: Starch grains disappeared from the amyloplasts; small electron dense bodies, probably lipids, were formed”

✓ located verbatim in the source · abstract, characters 0–238 · show in text ↑
t0

“PHASEOLUS VULGARIS”

✓ located verbatim in the source · title, characters 59–77 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

After aeration ceased, rough endoplasmatic reticulum in root-tip cells had concentric arrangements.

Taxon
bean plantse0
Organ / stage
root tipse0
Treatment
cessation of aeration of the nutrient solutione0
Outcome
rough endoplasmatic reticulum showed concentric arrangementse0

Not reportedComparatorDirection

Verbatim

e0

“Following cessation of aeration of the nutrient solution several effects could be observed in cells of the root tips of bean plants: Starch grains disappeared from the amyloplasts; small electron dense bodies, probably lipids, were formed and the rough endoplasmatic reticulum showed concentric arrangements.”

✓ located verbatim in the source · abstract, characters 0–308 · show in text ↑
t0

“PHASEOLUS VULGARIS”

✓ located verbatim in the source · title, characters 59–77 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Mitochondrial internal structure appeared unaffected after aeration ceased.

Taxon
bean plantse1
Organ / stage
root tipse1
Treatment
cessation of aeration of the nutrient solutione1
Outcome
internal structure of the mitochondriae0
Direction
unaffectede0

Not reportedComparator

Verbatim

e0

“The internal structure of the mitochondria seemed unaffected.”

✓ located verbatim in the source · abstract, characters 309–370 · show in text ↑
e1

“Following cessation of aeration of the nutrient solution several effects could be observed in cells of the root tips of bean plants”

✓ located verbatim in the source · abstract, characters 0–131 · show in text ↑
t0

“PHASEOLUS VULGARIS”

✓ located verbatim in the source · title, characters 59–77 · show in text ↑

fertilization · quality: sugar starch · Phaseolus vulgaris (common bean)Positive and negative results

7 papers: 6 positive, 1 negative or no effect

6 in the opposite direction

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

fertilization · soil: physics · Phaseolus vulgaris (common bean)Positive and negative results

8 papers: 6 positive, 2 negative or no effect

1 paper in the same direction as this paper · 6 in the opposite direction

  1. positive
  2. positive
  3. positive

4 papers more in this group

See all 8 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.