Polar localization of a symbiosis-specific phosphate transporter is mediated by a transient reorientation of secretion

Nathan Pumplin; Xinchun Zhang; Roslyn D. Noar; Maria J. Harrison

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Polar localization of a symbiosis-specific phosphate transporter is mediated by a transient reorientation of secretion

机译：共生特异性磷酸盐转运蛋白的极性定位是由分泌的暂时重新定向介导的

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Most flowering plants form symbioses with arbuscular mycorrhizal (AM) fungi to gain additional access to phosphate in the soil. We address the unexplained mechanism by which plant cells send the required phosphate transporters exclusively to the interface with these fungi.To investigate this process, we observed live plant cells expressing marked phosphate transporters at different times during symbiosis. We found that secretion becomes polarized, such that many transporters are sent to the host-microbe interface simply because their synthesis is coincident with development of the special membrane. This surprising result suggests a far greater degree of specials zation in these cells than previously assumed.

机译：大多数开花植物与丛枝菌根（AM）真菌形成共生菌，以获取土壤中磷酸盐的更多通道。我们研究了无法解释的机制，植物细胞通过该机制将所需的磷酸盐转运蛋白专门发送到与这些真菌的界面。为了研究此过程，我们观察到了共生过程中不同时间表达标记的磷酸盐转运蛋白的活植物细胞。我们发现分泌物被极化，因此许多转运蛋白被发送到宿主-微生物界面仅仅是因为它们的合成与特殊膜的发展相吻合。这一令人惊讶的结果表明，这些单元格中的特殊化程度远高于先前的假设。

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《Proceedings of the National Academy of Sciences of the United States of America》 |2012年第11期|p.4041-4042|共2页
作者
Nathan Pumplin; Xinchun Zhang; Roslyn D. Noar; Maria J. Harrison;
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作者单位

Boyce Thompson Institute for Plant Research, Ithaca, NY 14853,Department of Plant Biology, Cornell University, Ithaca, NY 14853;

Boyce Thompson Institute for Plant Research, Ithaca, NY 14853;

Boyce Thompson Institute for Plant Research, Ithaca, NY 14853;

Boyce Thompson Institute for Plant Research, Ithaca, NY 14853;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
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1. NITROGEN LIMITATION ADAPTATION, a target of microRNA827, mediates degradation of plasma membrane-localized phosphate transporters to maintain phosphate homeostasis in Arabidopsis. [J] . Lin WeiYi, Huang TengKuei, Chiou TzyyJen The Plant Cell . 2013,第10期

机译：氮限制适应，microRNA827的目标，介导质膜定位的磷酸盐转运蛋白的降解，以维持拟南芥中的磷酸盐稳态。
2. Functional characteristics and membrane localization of rat multispecific organic cation transporters, OCT1 and OCT2, mediating tubular secretion of cationic drugs. [J] . Urakami Y, Okuda M, Masuda S, The Journal of Pharmacology and Experimental Therapeutics: Official Publication of the American Society for Pharmacology and Experimental Therapeutics . 1998,第2期

机译：大鼠多特异性有机阳离子转运蛋白OCT1和OCT2的功能特性和膜定位，介导阳离子药物的肾小管分泌。
3. The auxin-inducible phosphate transporter AsPT5 mediates phosphate transport and is indispensable for arbuscule formation in Chinese milk vetch at moderately high phosphate supply [J] . Environmental microbiology . 2020,第6期

机译：制冷型型磷酸盐转运蛋白ASPT5介导磷酸盐运输，适用于中式高磷酸盐供应中的中药蒸煮中的枝枝形成必不可少的
4. SLC26 transporters and the inhibitory control of pancreatic ductal bicarbonate secretion [C] . Peter Hegyi, Zoltan Rakonczay Jr., Laszlo Tiszlavicz, Symposium on Epithelial anion transport in health and disease: the role of the SLC26 transporters family . 2006

机译：SLC26转运蛋白和胰腺导管碳酸氢盐分泌的抑制控制
5. Characterization of phosphate transport, and isolation of cDNAs encoding the mitochondrial Pi transporter and pyrophosphate transporter from chicken growth plate chondrocytes. [D] . Guo, Yande. 2002

机译：从鸡生长板软骨细胞中鉴定磷酸盐转运蛋白，并分离编码线粒体Pi转运蛋白和焦磷酸盐转运蛋白的cDNA。
6. PNAS Plus: Polar localization of a symbiosis-specific phosphate transporter is mediated by a transient reorientation of secretion [O] . Nathan Pumplin, Xinchun Zhang, Roslyn D. Noar, 2012

机译：PNAS Plus：共生特异性磷酸转运蛋白的极性定位是由分泌的暂时重新定向介导的
7. Polar localization of a symbiosis-specific phosphate transporter is mediated by a transient reorientation of secretion [O] . N. Pumplin, X. Zhang, R. D. Noar, 2012

机译：共生特异性磷酸盐转运蛋白的极性定位是通过分泌的瞬态重新定位介导的

Polar localization of a symbiosis-specific phosphate transporter is mediated by a transient reorientation of secretion

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