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2017年 第59卷 第4期 刊出日期：2017-04-12

2017年 第59卷 第4期
刊出日期：2017-04-12

  

Tonoplast targeting of VHA-a3 relies on a Rab5-mediated but Rab7-independent vacuolar trafficking route

Qiang-Nan Feng, Yan Zhang and Sha Li

2017, 59(4):  230-233.  doi:10.1111/jipb.12526

摘要 ( 1162 )  

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Dynamic trafficking of membrane proteins is crucial for cells to function properly, not unlike a transportation network linking all locations within a city. Understanding regulators in these trafficking routes is thus an important topic. This study reveals a regulatory route through which the tonoplast-associated V-ATPase is transported in Arabidopsis.

BIK1 cooperates with BAK1 to regulate constitutive immunity and cell death in Arabidopsis

Jun Liu, Sufen Chen, Lijuan Chen, Qi Zhou, Menglong Wang, Dongru Feng, Jian-Feng Li, Jinfa Wang, Hong-Bin Wang and Bing Liu

2017, 59(4):  234-239.  doi:10.1111/jipb.12529

摘要 ( 1323 )  

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bak1 bik1 double mutants showed a severe dwarfism phenotype. The constitutive immune activation was mainly responsible for the cell death and developmental defects in bak1 bik1 double mutants. This study indicated that BAK1 and BIK1 are critical for regulation of the constitutive immune response and cell death in Arabidopsis.

What are the evolutionary origins of stomatal responses to abscisic acid in land plants?

Frances C. Sussmilch, Timothy J. Brodribb and Scott A. M. McAdam

2017, 59(4):  240-260.  doi:10.1111/jipb.12523

摘要 ( 2009 )  

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This review examines when active, ABA-mediated mechanisms for control of stomatal aperture evolved in land plants, allowing improved plant survival in dry terrestrial environments. The evidence for two prominent and opposing models is outlined with recent findings strongly supporting the gradual evolution of ABA-driven control from passive ancestral responses.

Transition from a maternal to external nitrogen source in maize seedlings

Kasra Sabermanesh, Luke R. Holtham, Jessey George, Ute Roessner, Berin A. Boughton, Sigrid Heuer, Mark Tester, Darren C. Plett, and Trevor P. Garnett

2017, 59(4):  261-274.  doi:10.1111/jipb.12525

摘要 ( 998 )  

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Root NO₃⁻ uptake capacity is regulated to meet plant nitrogen demand. To develop a model detailing it, we exploited a seedling's transition from seed nitrogen use to external nitrogen capture.

ORA59 and EIN3 interaction couples jasmonate-ethylene synergistic action to antagonistic salicylic acid regulation of PDF expression

Xiang He, Jishan Jiang, Changquan Wang, and Katayoon Dehesh

2017, 59(4):  275-287.  doi:10.1111/jipb.12524

摘要 ( 2236 )  

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SA treatment promotes EIN3 binding and targeting to ORA59 for degradation, whereas JA promotes EIN3 transactivation of ORA59 and induction of PDF1.2 Thus ORA59 acts as a coordinating node for the antagonistic function of ET/JA and SA.