PhPT4 Is a Mycorrhizal-Phosphate Transporter Suppressed by Lysophosphatidylcholine in Petunia Roots
作者： Zhijing Tan , Yuanlei Hu , Zhongping Lin
DOI: 10.1007/S11105-012-0467-X
关键词: Symbiosis 、 Biochemistry 、 Mycorrhiza 、 Biology 、 Lysophosphatidylcholine 、 Phosphate 、 Petunia 、 Arbuscular mycorrhiza 、 Gene 、 Transporter
摘要: An important characteristic of arbuscular mycorrhizal (AM) symbiosis is the transfer phosphate from AM fungi to plants. This facilitated by mycorrhiza-inducible transporter proteins. Lysophosphatidylcholine (LPC) stimulates gene expression. study aims detect pattern five Petunia hybrida (PhPT1–5) genes associated with development and their response LPC in petunia roots. Using method real-time reverse transcription-polymerase chain reaction (RT-PCR), we explored transcriptional changes PhPT1–5 genes. Our results reveal that PhPT4 transcript level enhanced 8,320-fold at 40 days after inoculation roots compared uninoculated However, depressed LPC, which acts as a mycorrhiza signal several suggest mycorrhiza-specific not always universal fungi–plant symbiosis.
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