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2017年 第59卷 第5期 刊出日期：2017-05-12

2017年 第59卷 第5期
刊出日期：2017-05-12

  

The plant vascular system I: From resource allocation, inter-organ communication and defense, to evolution of the monocot cambium

William J. Lucas, and Chun-Ming Liu

2017, 59(5):  290-291.  doi:10.1111/jipb.12541

摘要 ( 939 )  

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What actually is the Münch hypothesis? A short history of assimilate transport by mass flow

Michael Knoblauch, and Winfried S. Peters

2017, 59(5):  292-310.  doi:10.1111/jipb.12532

摘要 ( 1084 )  

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The phloem pressure-flow model for long-distance transport in plants is well supported by experimental data. This review reconstructs the history of the concepts underlying this mass flow hypothesis. The authors examine the impact on the field of a forester, Ernst Münch, who in the 1920ies successfully integrated organismal and cellular biology approaches to study the physiology of the phloem.

Sucrose transporters and plasmodesmal regulation in passive phloem loading

Johannes Liesche

2017, 59(5):  311-321.  doi:10.1111/jipb.12548

摘要 ( 960 )  

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In plants, phloem loading can occur by a number of mechanisms, including active sugar loading. Passive phloem loading, through the symplasm, has been proposed as the mechanism operating in many trees. Here, current evidence is evaluated regarding this loading mechanism, and the potential influence of protein-mediated sugar transport and regulation of cell coupling is discussed.

Molecular regulation of sucrose catabolism and sugar transport for development, defence and phloem function

Jun Li, Limin Wu, Ryan Foster, and Yong-Ling Ruan

2017, 59(5):  322-335.  doi:10.1111/jipb.12539

摘要 ( 1070 )  

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Powered by solar energy, mature leaves convert CO₂ and water into sucrose for translocation to the rest of the plant through the phloem. Here, we evaluate the molecular regulation of key enzymes and carriers responsible for sucrose transport and metabolism in relation to development, defence and yield potential.

Transport of chemical signals in systemic acquired resistance

Archana Singh, Gah-Hyun Lim and Pradeep Kachroo

2017, 59(5):  336-344.  doi:10.1111/jipb.12537

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Systemic acquired resistance (SAR) is a form of broad-spectrum resistance against plant pathogens that is regulated by signals including salicylic acid, azelaic acid and glycerol-3-phosphate. This review summarizes the role of these chemical signals in SAR and their differential transport through apoplasmic and symplasmic pathways.