Abstract
Abstract The plant parasitic nematode Meloidogyne incognita is as an obligate parasite entirely dependent on the plants solute supply. Therefore, the nematodes induce the formation of several giant cells which are embedded into root galls. At present only little information is available about the solute transfer mechanisms of the plants to supply the induced galls and giant cells and consequently the nematodes. In the present work we could show by phloem‐loading experiments that giant cells in the roots of Arabidopsis thaliana are not symplasmically connected to the phloem elements, thus differing considerably form the comparable plant–nematode interaction of Arabidopsis and Heterodera schachtii . Consequently the gene expression of the sucrose transporter AtSUC4 ( AtSUT4 ) was studied during nematode development, and its functionality was shown using RNAi gene silencing lines.
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Claims 3
Claim · model-written summary
Giant cells in Arabidopsis thaliana roots infected by Meloidogyne incognita are not symplasmically connected to phloem elements.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianat1 - Organ / stage
- giant cells in the rootse1
- Interactor
- Meloidogyne incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae2pathogen - Outcome
- symplasmically connected to the phloem elementse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
t1“The Arabidopsis thaliana Sucrose Transporter Gene AtSUC4”
e1“giant cells in the roots of Arabidopsis thaliana are not symplasmically connected to the phloem elements”
e2“The plant parasitic nematode Meloidogyne incognita is as an obligate parasite”
Claim · model-written summary
AtSUC4 is expressed in Meloidogyne incognita-induced root galls.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat1
- Organ / stage
- root gallse5
- Interactor
- Meloidogyne incognitaMeloidogyne incognitat0pathogen
- Gene
- AtSUC4e3
- Outcome
- gene expressione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“The Arabidopsis thaliana Sucrose Transporter Gene AtSUC4”
t0“AtSUC4 is Expressed in Meloidogyne incognita”
e3“the gene expression of the sucrose transporter AtSUC4 ( AtSUT4 ) was studied during nematode development”
e5“giant cells which are embedded into root galls”
Claim · model-written summary
AtSUC4 functionality was shown using RNAi gene silencing lines.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat1
- Treatment
- RNAi gene silencing linese4
- Gene
- AtSUC4e3
- Outcome
- functionalitye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“The Arabidopsis thaliana Sucrose Transporter Gene AtSUC4”
e3“the gene expression of the sucrose transporter AtSUC4 ( AtSUT4 ) was studied during nematode development”
e4“its functionality was shown using RNAi gene silencing lines”