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Reference Detail
| Reference | ||
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| Author | Paszkowski,U., Kroken,S., Roux,C. and Briggs,S.P. | |
| Title | Rice phosphate transporters include an evolutionarily divergent gene specifically activated in arbuscular mycorrhizal symbiosis. | |
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Abstract: Using a genome-wide approach, we asked how many transporter genes contribute to symbiotic phosphate uptake and analyzed their evolutionary conservation. Considering the sequenced rice genome at hand, only the Oryza sativa phosphate transporter (OsPT) gene OsPT11 was specifically induced during the arbuscular mycorrhizal symbiosis. This induction was confined to the root system and was tightly correlated with the degree of root colonization by Glomus intraradices. OsPT11 activation was independent of the nutritional status of the plant and phosphate availability in the rhizosphere. Moreover, infection of roots with the fungal pathogens Rhizoctonia solani and Fusarium moniliforme did not activate OsPT11, corroborating the high signal specificity for OsPT11 activation in the arbuscular mycorrhizal symbiosis. OsPT11 expression complemented a defect in phosphate uptake in a yeast strain mutated in its high-affinity P(i) transporter (pho84), thereby confirming its function. Recently, a phosphate transporter gene in potato was shown to be induced during arbuscular mycorrhizal symbiosis. Assessment of the phylogenetic relationship of the rice and potato protein revealed that the rice is nonorthologous to the potato protein. Further, there are no structural commonalities in the promoter regions. Thus, although cytological and physiological features of the arbuscular mycorrhizal symbiosis seem to be conserved, the molecular components may differ significantly between distantly related plant species. |
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| Journal | Proc. Natl. Acad. Sci. U.S.A. | |
| Country | USA | |
| Volume | 99(20) | |
| Pages | 13324-13329 | |
| Year | 2002 | |
| PubMed ID | 12271140 | |
| PubMed Central ID | - | |
| DOI | 10.1073/pnas.202474599 | |
| URL | - | |
| Relation | ||
| Gene | PT1 PT10 PT11 PT12 PT13 PT2 PT3 PT4 PT5 PT6 PT7 PT8 PT9 | |
| INSD | AF536973 AF536961 AF536962 AF536963 AF536964 AF536965 AF536966 AF536967 AF536968 AF536969 AF536970 AF536971 AF536972 | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
|
Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
