Abstract
Pea seeds age rapidly and may be infected by storage fungi, e.g. Aspergillus ruber, when stored under conditions of high relative humidity and temperature (92% relative humidity and 30 °C in these experiments). In the absence of microorganisms, pea seeds retain their viability for 6 to 8 weeks, although the speed of germination is reduced. In embryonic axes, aging is associated with a slower increase in O 2 uptake, a delay in protein synthesis, smaller ATP and amino acid pools, and reduced activity of alkaline phosphatase (EC 3.1.3.1) and 3-phosphoglyceraldelyde dehydrogenase (EC 1.2.1.12). Axes recover from these changes during germination. Infection by A. ruber reduces germination. In axes from infected peas the onset of protein synthesis is delayed even more and the ATP and amino acid pools are smaller than in aged axes. Axes from infected seeds recover slowly, if at all.
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Claims 7
Claim · model-written summary
Microbe-free pea seeds retained viability for six to eight weeks, with slower germination.
- Taxon
- pea
Lathyrus oleraceuse0 - Outcome
- viabilitye0
- Value
- 6 to 8 weekse0
- Qualifier
- absence of microorganismse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the absence of microorganisms, pea seeds retain their viability for 6 to 8 weeks, although the speed of germination is reduced”
Claim · model-written summary
Aging slowed oxygen uptake and protein synthesis in embryonic axes.
- Organ / stage
- embryonic axese0
- Treatment
- aginge0
- Outcome
- O 2 uptake, a delay in protein synthesise0
- Direction
- slowere0
Not reportedTaxon
Verbatim
e0“In embryonic axes, aging is associated with a slower increase in O 2 uptake, a delay in protein synthesis”
Claim · model-written summary
Aging reduced ATP and amino acid pools and two enzyme activities in pea axes.
- Gene
- alkaline phosphatase (EC 3.1.3.1) and 3-phosphoglyceraldelyde dehydrogenase (EC 1.2.1.12)e0
- Outcome
- ATP and amino acid poolse0
- Direction
- smallere0
Not reportedTaxon
Verbatim
e0“smaller ATP and amino acid pools, and reduced activity of alkaline phosphatase (EC 3.1.3.1) and 3-phosphoglyceraldelyde dehydrogenase (EC 1.2.1.12)”
Claim · model-written summary
Pea axes recovered from aging-associated changes during germination.
Not reportedTaxon
Verbatim
e0“Axes recover from these changes during germination”
Claim · model-written summary
Aspergillus ruber infection reduced pea germination.
- Treatment
- Infection by A. rubere0
- Interactor
- A. ruberAspergillus rubere0pathogen
- Outcome
- germinatione0
- Direction
- reducese0
Not reportedTaxonComparator
Verbatim
e0“Infection by A. ruber reduces germination”
Claim · model-written summary
Infected axes had further delayed protein synthesis and smaller ATP and amino acid pools than aged axes.
- Taxon
- peasLathyrus oleraceuse0
- Organ / stage
- axese0
- Outcome
- onset of protein synthesise0
- Direction
- delayed even moree0
- Comparator
- aged axese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In axes from infected peas the onset of protein synthesis is delayed even more and the ATP and amino acid pools are smaller than in aged axes”
Claim · model-written summary
Axes from infected seeds recovered slowly or not at all.
Not reportedTaxon
Verbatim
e0“Axes from infected seeds recover slowly, if at all”
The same questions in other papers
infection · growth · Lathyrus oleraceus (pea)Results agree
5 papers in the same direction as this paper
- negative
- negative
- negative
2 papers more in this group
See all 6 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.