Conservation and divergence of both phosphate- and mycorrhiza-regulated physiological responses and expression patterns of phosphate transporters in solanaceous species.
Identifieur interne : 003061 ( Main/Exploration ); précédent : 003060; suivant : 003062Conservation and divergence of both phosphate- and mycorrhiza-regulated physiological responses and expression patterns of phosphate transporters in solanaceous species.
Auteurs : Aiqun Chen [République populaire de Chine] ; Jiang Hu ; Shubin Sun ; Guohua XuSource :
- The New phytologist [ 0028-646X ] ; 2007.
Descripteurs français
- KwdFr :
- Clonage moléculaire (MeSH), Gènes de plante (MeSH), Mycorhizes (croissance et développement), Mycorhizes (physiologie), Protéines de transport du phosphate (génétique), Protéines végétales (génétique), Régulation de l'expression des gènes végétaux (MeSH), Solanaceae (croissance et développement), Solanaceae (génétique), Solanaceae (microbiologie), Solanaceae (physiologie), Symbiose (MeSH).
- MESH :
- croissance et développement : Mycorhizes, Solanaceae.
- génétique : Protéines de transport du phosphate, Protéines végétales, Solanaceae.
- microbiologie : Solanaceae.
- physiologie : Mycorhizes, Solanaceae.
- Clonage moléculaire, Gènes de plante, Régulation de l'expression des gènes végétaux, Symbiose.
English descriptors
- KwdEn :
- Cloning, Molecular (MeSH), Gene Expression Regulation, Plant (MeSH), Genes, Plant (MeSH), Mycorrhizae (growth & development), Mycorrhizae (physiology), Phosphate Transport Proteins (genetics), Plant Proteins (genetics), Solanaceae (genetics), Solanaceae (growth & development), Solanaceae (microbiology), Solanaceae (physiology), Symbiosis (MeSH).
- MESH :
- chemical , genetics : Phosphate Transport Proteins, Plant Proteins.
- genetics : Solanaceae.
- growth & development : Mycorrhizae, Solanaceae.
- microbiology : Solanaceae.
- physiology : Mycorrhizae, Solanaceae.
- Cloning, Molecular, Gene Expression Regulation, Plant, Genes, Plant, Symbiosis.
Abstract
Here, orthologous genes of six phosphate transporter (PiT) genes, which are members of the Pht1 and Pht2 families in tomato and potato, have been cloned from the solanaceous species pepper, eggplant and tobacco. Overall, expressions of these genes in pepper, eggplant and tobacco showed similar patterns to those in tomato and potato: P-starvation enhancement in both leaves and roots for Pht1;1, P-depletion induction exclusively in roots for Pht1;2, mycorrhizal enhancement for Pht1;3, and mycorrhizal induction for both Pht1;4 and Pht1;5. In the roots of nonmycorrhizal eggplant, SmPht1;3, SmPht1;4 and SmPht1;5 were also expressed under extreme P starvation. Mycorrhizal symbiosis under high-P supply conditions reduced plant growth, with concurrent enhancement of Pht1;2 expression in the roots of pepper as well as eggplant. In addition, the mycorrhizal symbiosis down-regulated the expression of Pht2;1 genes greatly in the leaves of pepper and tobacco. The discrepancies between the evolutionary distances of the PiT genes and their expression patterns among the five species suggest greater complexity in function of PiT in plants than previously expected.
DOI: 10.1111/j.1469-8137.2006.01962.x
PubMed: 17286830
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Mycorrhizae (physiology)</term>
<term>Phosphate Transport Proteins (genetics)</term>
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<term>Mycorhizes (physiologie)</term>
<term>Protéines de transport du phosphate (génétique)</term>
<term>Protéines végétales (génétique)</term>
<term>Régulation de l'expression des gènes végétaux (MeSH)</term>
<term>Solanaceae (croissance et développement)</term>
<term>Solanaceae (génétique)</term>
<term>Solanaceae (microbiologie)</term>
<term>Solanaceae (physiologie)</term>
<term>Symbiose (MeSH)</term>
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<term>Plant Proteins</term>
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<term>Solanaceae</term>
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<front><div type="abstract" xml:lang="en">Here, orthologous genes of six phosphate transporter (PiT) genes, which are members of the Pht1 and Pht2 families in tomato and potato, have been cloned from the solanaceous species pepper, eggplant and tobacco. Overall, expressions of these genes in pepper, eggplant and tobacco showed similar patterns to those in tomato and potato: P-starvation enhancement in both leaves and roots for Pht1;1, P-depletion induction exclusively in roots for Pht1;2, mycorrhizal enhancement for Pht1;3, and mycorrhizal induction for both Pht1;4 and Pht1;5. In the roots of nonmycorrhizal eggplant, SmPht1;3, SmPht1;4 and SmPht1;5 were also expressed under extreme P starvation. Mycorrhizal symbiosis under high-P supply conditions reduced plant growth, with concurrent enhancement of Pht1;2 expression in the roots of pepper as well as eggplant. In addition, the mycorrhizal symbiosis down-regulated the expression of Pht2;1 genes greatly in the leaves of pepper and tobacco. The discrepancies between the evolutionary distances of the PiT genes and their expression patterns among the five species suggest greater complexity in function of PiT in plants than previously expected.</div>
</front>
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<Abstract><AbstractText>Here, orthologous genes of six phosphate transporter (PiT) genes, which are members of the Pht1 and Pht2 families in tomato and potato, have been cloned from the solanaceous species pepper, eggplant and tobacco. Overall, expressions of these genes in pepper, eggplant and tobacco showed similar patterns to those in tomato and potato: P-starvation enhancement in both leaves and roots for Pht1;1, P-depletion induction exclusively in roots for Pht1;2, mycorrhizal enhancement for Pht1;3, and mycorrhizal induction for both Pht1;4 and Pht1;5. In the roots of nonmycorrhizal eggplant, SmPht1;3, SmPht1;4 and SmPht1;5 were also expressed under extreme P starvation. Mycorrhizal symbiosis under high-P supply conditions reduced plant growth, with concurrent enhancement of Pht1;2 expression in the roots of pepper as well as eggplant. In addition, the mycorrhizal symbiosis down-regulated the expression of Pht2;1 genes greatly in the leaves of pepper and tobacco. The discrepancies between the evolutionary distances of the PiT genes and their expression patterns among the five species suggest greater complexity in function of PiT in plants than previously expected.</AbstractText>
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