Abstract
S ummary The ultrastructural distribution of acid and alkaline phosphatase in 6‐week‐old onion roots infected by Glomus mosseae has been investigated cytochemically. Significant acid phosphatase activity was only observed in the little vacuolated, immature terminal arbuscule branches of the mycorrhizal fungus whilst strong alkaline α‐naphthyl phosphatase and β‐glycerophosphatase activities were localized within the vacuoles of the mature arbuscular and intercellular hyphae. In the host cells neither acid nor alkaline phosphatase distribution was modified with vesicular‐arbuscular mycorrhiza formation. These results are discussed in relation to previously reported mycorrhiza‐specific alkaline phosphatase (Gianinazzi‐Pearson and Gianinazzi, 1976, 1978) and the metabolism of phosphorus in vesicular‐arbuscular mycorrhizal systems.
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Claims 3
Claim · model-written summary
Acid phosphatase activity was only observed in the immature terminal arbuscule branches of the mycorrhizal fungus.
- Taxon
- onion
Allium cepae2 - Organ / stage
- immature terminal arbuscule branchese1
- Interactor
- Glomus mosseae
Funneliformis mosseaee2symbiont - Outcome
- acid phosphatase activitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Significant acid phosphatase activity was only observed in the little vacuolated, immature terminal arbuscule branches of the mycorrhizal fungus whilst strong alkaline α‐naphthyl phosphatase and β‐glycerophosphatase activities were localized within the vacuoles of the mature arbuscular and intercellular hyphae”
e2“The ultrastructural distribution of acid and alkaline phosphatase in 6‐week‐old onion roots infected by Glomus mosseae has been investigated cytochemically”
Claim · model-written summary
Strong alkaline α‐naphthyl phosphatase and β‐glycerophosphatase activities were localized within the vacuoles of mature arbuscular and intercellular hyphae.
- Taxon
- onionAllium cepae2
- Organ / stage
- vacuoles of the mature arbuscular and intercellular hyphaee1
- Interactor
- Glomus mosseaeFunneliformis mosseaee2symbiont
- Outcome
- alkaline α‐naphthyl phosphatase and β‐glycerophosphatase activitiese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Significant acid phosphatase activity was only observed in the little vacuolated, immature terminal arbuscule branches of the mycorrhizal fungus whilst strong alkaline α‐naphthyl phosphatase and β‐glycerophosphatase activities were localized within the vacuoles of the mature arbuscular and intercellular hyphae”
e2“The ultrastructural distribution of acid and alkaline phosphatase in 6‐week‐old onion roots infected by Glomus mosseae has been investigated cytochemically”
Claim · model-written summary
Mycorrhiza formation did not change the distribution of acid or alkaline phosphatase in onion host cells.
- Taxon
- onionAllium cepae2
- Organ / stage
- host cellse3
- Treatment
- mycorrhiza formatione3
- Interactor
- Glomus mosseaeFunneliformis mosseaee2symbiont
- Outcome
- acid nor alkaline phosphatase distributione3
- Direction
- no_changeinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The ultrastructural distribution of acid and alkaline phosphatase in 6‐week‐old onion roots infected by Glomus mosseae has been investigated cytochemically”
e3“In the host cells neither acid nor alkaline phosphatase distribution was modified with vesicular‐arbuscular mycorrhiza formation”
The same questions in other papers
mycorrhiza · Funneliformis mosseae · Allium cepa (onion)Positive and negative results
4 in the opposite direction
- positive
- positive
- positive
1 paper more in this group
See all 5 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.