Paper · 2003 · Physiologia Plantarum

Inhibition of growth and development of root border cells in wheat by Al

Mu‐yuan Zhu; Sung‐ju Ahn; Hideaki Matsumoto

9
claims
18
verbatim quotes
39
citations
2
research areas
—
Not open access

Abstract

The production and development of border cells vary with genotype, and they are released in wheat at an earlier stage of root development than other species studied so far. No significant difference was observed in the maximum number of border cells between Al-tolerant (Atlas 66) and Al-sensitive (Scout 66) cultivars in the absence of Al treatment. Al seriously inhibited the production and release of border cells, resulting in clumping of border cells in Scout 66, but less clustering in Atlas 66. The number of border cells released from roots treated with Al is significantly less than that from roots grown without Al treatment. Al treatment induced the death of detached border cells in vitro and they were killed by a 20-h treatment with 25 micro m Al. No significant difference in survival percentage of detached border cells was observed between Atlas 66 and Scout 66, regardless of the presence or absence of Al. The removal of border cells from root tips of both Atlas 66 and Scout 66 enhanced the Al-induced inhibition of root elongation concomitant with increased Al accumulation in the root. These results suggest that border cells adhered to the root tips play a potential role in the protection of root from Al injury in wheat.

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Claims 9

Observationobservedoriginal resultmeasured

Claim · model-written summary

Wheat releases border cells earlier in root development than other studied species.

Outcome
released in wheat at an earlier stage of root developmente0
Comparator
other species studied so fare0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“they are released in wheat at an earlier stage of root development than other species studied so far”

✓ located verbatim in the source · abstract, characters 71–171 · show in text ↑
Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Without Al, Atlas 66 and Scout 66 did not differ significantly in maximum border cell number.

Material
Atlas 66e0
Outcome
maximum number of border cellse0
Qualifier
absence of Al treatmente0
Comparator
Scout 66e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“No significant difference was observed in the maximum number of border cells between Al-tolerant (Atlas 66) and Al-sensitive (Scout 66) cultivars in the absence of Al treatment”

✓ located verbatim in the source · abstract, characters 173–349 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Al inhibited border cell production and release in Scout 66.

Material
Scout 66e0
Treatment
Ale0
Outcome
production and release of border cellse0
Direction
inhibitede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“Al seriously inhibited the production and release of border cells, resulting in clumping of border cells in Scout 66, but less clustering in Atlas 66”

✓ located verbatim in the source · abstract, characters 351–500 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Al caused more border cell clustering in Scout 66 than Atlas 66.

Material
Scout 66e0
Treatment
Ale0
Outcome
clumping of border cellse0
Direction
less clusteringe0
Comparator
Atlas 66e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“Al seriously inhibited the production and release of border cells, resulting in clumping of border cells in Scout 66, but less clustering in Atlas 66”

✓ located verbatim in the source · abstract, characters 351–500 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Al treated roots released significantly fewer border cells than untreated roots.

Treatment
Ale0
Outcome
number of border cells releasede0
Direction
significantly lesse0
Comparator
without Al treatmente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“The number of border cells released from roots treated with Al is significantly less than that from roots grown without Al treatment”

✓ located verbatim in the source · abstract, characters 502–634 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

A 20-hour 25 micro m Al treatment killed detached border cells.

Treatment
20-h treatment with 25 micro m Ale0
Outcome
death of detached border cellse0
Direction
killede0
Setting
in vitroe0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“Al treatment induced the death of detached border cells in vitro and they were killed by a 20-h treatment with 25 micro m Al”

✓ located verbatim in the source · abstract, characters 636–760 · show in text ↑
Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Detached border cell survival did not differ significantly between Atlas 66 and Scout 66 with or without Al.

Material
Atlas 66e0
Outcome
survival percentage of detached border cellse0
Qualifier
regardless of the presence or absence of Ale0
Comparator
Scout 66e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“No significant difference in survival percentage of detached border cells was observed between Atlas 66 and Scout 66, regardless of the presence or absence of Al”

✓ located verbatim in the source · abstract, characters 762–923 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Removing border cells enhanced Al-induced root elongation inhibition in both cultivars.

Treatment
removal of border cellse0
Outcome
Al-induced inhibition of root elongatione0
Direction
enhancede0
Qualifier
both Atlas 66 and Scout 66e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“The removal of border cells from root tips of both Atlas 66 and Scout 66 enhanced the Al-induced inhibition of root elongation concomitant with increased Al accumulation in the root”

✓ located verbatim in the source · abstract, characters 925–1106 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Removing border cells increased Al accumulation in roots of both cultivars.

Treatment
removal of border cellse0
Outcome
Al accumulation in the roote0
Direction
increasede0
Qualifier
both Atlas 66 and Scout 66e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“wheat”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
e0

“The removal of border cells from root tips of both Atlas 66 and Scout 66 enhanced the Al-induced inhibition of root elongation concomitant with increased Al accumulation in the root”

✓ located verbatim in the source · abstract, characters 925–1106 · show in text ↑

aluminium atom · yield · Triticum aestivum (wheat)Positive and negative results

9 papers: 3 positive, 6 negative or no effect

5 papers in the same direction as this paper · 3 in the opposite direction

  1. positive
  2. positive
  3. positive

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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.